/* Lenz Consult – Stylesheet */
:root {
  --ink: #16191c;
  --text: #3a4046;
  --muted: #6b737a;
  --line: #e3e7ea;
  --bg: #ffffff;
  --bg-soft: #f4f7f8;
  --dark: #1c2023;
  --accent: #4a90a8;
  --accent-dark: #357388;
  --radius: 4px;
  --max: 1120px;
  --font: "Helvetica Neue", "Arial Nova", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .6em; font-weight: 500; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 500; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.lead { font-size: 1.2rem; color: var(--text); max-width: 40em; }

/* Buttons */
.btn {
  display: inline-block;
  padding: .85em 1.6em;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .98rem;
  border: 1.5px solid var(--accent);
  background: var(--accent);
  color: #fff;
  transition: background .2s, color .2s, border-color .2s;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 2rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo img { height: 44px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--ink); font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--accent); text-decoration: none; }
.nav .btn { color: #fff; padding: .6em 1.2em; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* Sections */
section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--dark); color: #c9d0d5; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 46em; margin-bottom: 48px; }

/* Hero */
.hero { padding: 48px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.hero-photo { position: relative; }
.hero-photo img { border-radius: var(--radius); aspect-ratio: 4/5; max-height: 560px; object-fit: cover; object-position: center 20%; width: 100%; }
.hero-photo::after {
  content: ""; position: absolute; left: -16px; bottom: -16px; width: 45%; height: 45%;
  border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); z-index: -1;
}

/* Fakten */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { padding: 28px 20px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact strong { display: block; font-size: 2rem; font-weight: 500; color: var(--ink); line-height: 1.1; }
.fact span { font-size: .9rem; color: var(--muted); }

/* Karten */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; border-top: 3px solid var(--accent);
}
.card .num { font-size: .8rem; font-weight: 600; letter-spacing: .12em; color: var(--accent); }
.card h3 { margin-top: .4em; font-size: 1.35rem; }
.card ul { margin: 1em 0 0; padding: 0; list-style: none; }
.card li { padding: 6px 0 6px 22px; position: relative; font-size: .97rem; }
.card li::before { content: ""; position: absolute; left: 0; top: 16px; width: 10px; height: 2px; background: var(--accent); }
.card .more { display: inline-block; margin-top: 1rem; font-weight: 600; font-size: .95rem; }

/* Kostenoptimierung */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-list li { padding: 10px 0 10px 32px; position: relative; border-bottom: 1px solid rgba(255,255,255,.1); }
.check-list li::before {
  content: ""; position: absolute; left: 2px; top: 17px; width: 12px; height: 7px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}
.calc {
  border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); padding: 32px; margin-top: 8px;
}
.calc .big { font-size: clamp(1.6rem, 3vw, 2.2rem); color: #fff; line-height: 1.25; margin: .3em 0 .5em; }
.calc .big em { font-style: normal; color: var(--accent); }
.calc small { color: #8f99a1; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags span {
  font-size: .88rem; padding: 6px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 100px; color: #dfe5e8;
}
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; counter-reset: step; }
.step { border-top: 1px solid rgba(255,255,255,.2); padding-top: 20px; }
.step::before { counter-increment: step; content: "0" counter(step); display: block; font-size: .8rem; letter-spacing: .12em; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
.step h3 { font-size: 1.05rem; }
.step p { font-size: .95rem; }
.promise {
  margin-top: 56px; padding: 28px 32px; background: rgba(74,144,168,.12); border-left: 3px solid var(--accent);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px;
}
.promise p { margin: 0; color: #fff; font-size: 1.1rem; max-width: 40em; }

/* Über mich */
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; }
.about-intro { position: sticky; top: 112px; }
.list-title { font-size: 1.05rem; margin-bottom: 8px; }
.highlights { list-style: none; padding: 0; margin: 0; }
.highlights li { position: relative; padding: 16px 0 16px 32px; border-top: 1px solid var(--line); }
.highlights li:last-child { border-bottom: 1px solid var(--line); }
.highlights li::before { content: ""; position: absolute; left: 0; top: 28px; width: 16px; height: 2px; background: var(--accent); }

/* Arbeitsweise */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 64px; }
.value h3 { font-size: 1.5rem; font-weight: 500; }
.value h3::after { content: "."; color: var(--accent); }
.modes-title { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 500; margin-bottom: 24px; }
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mode { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.mode p { font-size: .96rem; margin: 0; }
.mode h3::after { content: "."; color: var(--accent); }
.audience { margin-top: 24px; display: grid; grid-template-columns: 1fr; gap: 24px; }
.audience div { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.audience p { margin: 0; }

/* Kontakt */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 32px; }
.contact-list li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; gap: 16px; }
.contact-list .label { width: 80px; color: var(--muted); font-size: .9rem; flex-shrink: 0; padding-top: 2px; }
.contact-list a { color: var(--ink); font-weight: 500; }
form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form .full { grid-column: 1 / -1; }
label { display: block; font-size: .88rem; font-weight: 500; color: var(--ink); margin-bottom: 6px; }
input, textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; color: var(--ink);
  border: 1px solid #cfd6da; border-radius: var(--radius); background: #fff;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
textarea { min-height: 150px; resize: vertical; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--muted); }
.consent input { width: auto; margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 16px; font-size: .95rem; display: none; }
.notice.ok { background: #e8f4ec; color: #1f5a33; }
.notice.err { background: #fbeaea; color: #7a2121; }

/* Footer */
.site-footer { background: var(--dark); color: #8f99a1; padding: 40px 0; font-size: .9rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer a { color: #c9d0d5; margin-left: 24px; }
.site-footer a:first-child { margin-left: 0; }

/* Rechtstexte */
.legal { padding: 64px 0 96px; }
.legal .container { max-width: 760px; }
.legal h1 { font-size: 2.2rem; margin-bottom: 1em; }
.legal h2 { font-size: 1.3rem; margin-top: 2em; }
.legal h3 { font-size: 1.05rem; margin-top: 1.5em; }

/* Responsive */
@media (max-width: 960px) {
  section { padding: 72px 0; }
  .hero-grid, .two-col, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo { max-width: 360px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about-intro { position: static; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 24px 24px; display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 16px; width: auto; border-bottom: 0; padding: .8em 1.4em; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .container { padding: 0 16px; }
  section { padding: 56px 0; }
  .hero { padding: 48px 0 56px; }
  .cards, .values, .modes, .audience, .steps, .facts { grid-template-columns: 1fr; }
  .fact { border-left: 0; padding: 20px 0; }
  .fact + .fact { border-top: 1px solid var(--line); }
  .card { padding: 28px 22px; }
  form { grid-template-columns: 1fr; }
  .logo img { height: 38px; }
  .promise { padding: 24px 20px; }
  .site-footer a { margin-left: 0; margin-right: 20px; }
}