/* =========================================================
   LeanPlus® – Stylesheet
   Modernes, seriöses B2B-Beratungsdesign, mobile-first.
   Keine externen Schriften/Icons/CDNs – reiner System-Font-Stack.
   ========================================================= */

:root {
  --color-primary: #0b3d5c;      /* dunkles Petrol-Blau */
  --color-primary-dark: #082b40;
  --color-accent: #c08a2e;       /* dezentes Gold/Bronze */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-text: #1f2933;
  --color-text-muted: #51606b;
  --color-border: #dde3e8;
  --max-width: 1140px;
  --radius: 6px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji";
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

ul, ol {
  margin: 0 0 1em;
  padding-left: 1.3em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6em 1em;
  z-index: 1000;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo img {
  height: 44px;
  width: auto;
}

.main-nav {
  display: flex;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.4rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 3.5rem 0 3rem;
}

.hero h1,
.hero h2 {
  color: #fff;
}

.hero .lead {
  font-size: 1.15rem;
  max-width: 48rem;
  color: #e7eef3;
}

/* ---------- Sections ---------- */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  margin-bottom: 1.2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 760px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Stat/KPI bars ---------- */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(4, 1fr); }
}

.stat {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 1rem;
}

.stat-label {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

.stat-barwrap {
  background: var(--color-bg-alt);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.stat-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  border-radius: 999px;
}

.stat-value {
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ---------- Cards / icon boxes ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.4rem 1.3rem;
}

.card h3 {
  margin-bottom: 0.4rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.icon-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: 0.5em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75em 1.5em;
  border-radius: var(--radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover,
.btn:focus {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--color-primary);
  color: #fff;
}

/* ---------- Timeline (Lebenslauf) ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 3px solid var(--color-border);
}

.timeline-item {
  position: relative;
  padding: 0 0 1.8rem 1.6rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-date {
  display: block;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.timeline-item h3 {
  margin: 0.1em 0 0.3em;
}

.timeline-org {
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 0.3em;
}

/* ---------- Qualification badges (Über mich) ---------- */
.qual-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.qual-list li {
  padding: 0.55em 0;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
}

.qual-list li:last-child {
  border-bottom: none;
}

/* ---------- Partner ---------- */
.partner-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  align-items: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .partner-card {
    grid-template-columns: 220px 1fr;
  }
}

.partner-card img {
  max-height: 90px;
  width: auto;
}

.quote {
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
  margin: 1.5rem 0;
}

/* ---------- Forms ---------- */
.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35em;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7em 0.8em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
  color: var(--color-text);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 1.2rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Honeypot – für Menschen unsichtbar, für Bots vorhanden */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.alert-success {
  background: #e4f3e8;
  border: 1px solid #a9d9b5;
  color: #1c5c2c;
}

.alert-error {
  background: #fbe9e9;
  border: 1px solid #e8b4b4;
  color: #7a1f1f;
}

/* ---------- Legal text pages (Impressum/AGB/Datenschutz) ---------- */
.legal-content h2 {
  margin-top: 1.8em;
}

.legal-content address {
  font-style: normal;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #cfdce3;
  padding: 2.5rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 760px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.site-footer h2 {
  color: #fff;
  font-size: 1.1rem;
}

.site-footer a {
  color: #cfdce3;
}

.site-footer a:hover,
.site-footer a:focus {
  color: #fff;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 0.4em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.2rem;
  font-size: 0.85rem;
  color: #9fb3bf;
  text-align: center;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }