/* ============================================================
   OLDEMEYER STRATEGY & ADVISORY — Website Stylesheet
   Farbpalette und Typografie aus dem PPT-Template abgeleitet.
   ============================================================ */

:root {
  --navy-950: #090C1F;   /* dunkelster Hintergrund */
  --navy-900: #0E1530;   /* dekorative Kreise / Panels */
  --navy-800: #16204A;   /* Kapitel-/Sektionshintergrund */
  --navy-700: #2A3560;   /* Karten auf dunklem Grund */
  --blue-accent: #7FA6E8; /* Akzent / Linien / Icons */
  --blue-ice: #B9CCF0;    /* helle Überschriften auf Navy */
  --lavender-gray: #8C96B8; /* sekundärer Text auf Navy */
  --bg-light: #E7EAF4;    /* heller Sektionshintergrund */
  --white: #FFFFFF;
  --ink: #12162B;         /* Fließtext auf hellem Grund */
  --ink-muted: #565f7e;

  /* Bewusst nur systemeigene ("web-safe") Schriften: kein Google-Fonts-Ladevorgang,
     dadurch keine Datenübertragung an Dritte beim Seitenaufruf (DSGVO-relevant für DE-Websites). */
  --font-head: Cambria, Georgia, "Times New Roman", serif;
  --font-body: Calibri, "Segoe UI", Arial, Helvetica, sans-serif;

  --max-width: 1180px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

section { padding: 96px 0; }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.eyebrow--light { color: var(--blue-accent); }
.eyebrow--dark  { color: var(--blue-accent); }

.section-title {
  font-size: 34px;
  margin-bottom: 48px;
  max-width: 640px;
}

.section-title--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.3px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--blue-accent);
  color: var(--navy-950);
}
.btn-primary:hover { background: var(--blue-ice); }

.btn-outline {
  background: transparent;
  border-color: var(--blue-accent);
  color: var(--blue-accent);
}
.btn-outline:hover { background: rgba(127,166,232,0.12); }

.btn-outline-dark {
  background: transparent;
  border-color: var(--navy-800);
  color: var(--navy-800);
}
.btn-outline-dark:hover { background: rgba(22,32,74,0.06); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(9,12,31,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand svg { width: 22px; height: 22px; color: var(--blue-accent); }

.brand-text {
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 2px;
}
.brand-text span {
  display: block;
  color: var(--blue-ice);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 2.5px;
  margin-top: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--lavender-gray);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--white); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.lang-switch a {
  color: var(--lavender-gray);
  transition: color 0.2s ease;
}
.lang-switch a:hover { color: var(--white); }
.lang-switch a.is-active { color: var(--blue-accent); }
.lang-switch-sep { color: rgba(255,255,255,0.25); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px; height: 24px;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 11px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy-950);
  color: var(--white);
  overflow: hidden;
  padding: 200px 0 140px;
}

.hero-decor {
  position: absolute;
  border-radius: 50%;
  background: var(--navy-900);
  z-index: 0;
}
.hero-decor--1 { width: 620px; height: 620px; top: -300px; right: -160px; }
.hero-decor--2 { width: 420px; height: 420px; bottom: -260px; right: 8%; }

.hero .container { position: relative; z-index: 1; }

.hero-content { max-width: 760px; }

.hero-mark {
  width: 46px; height: 46px;
  color: var(--blue-accent);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 56px;
  letter-spacing: 4px;
  color: var(--white);
}

.hero .hero-sub {
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 600;
  color: var(--blue-accent);
  letter-spacing: 1px;
  margin-top: 18px;
}

.hero p.lede {
  font-size: 18px;
  color: var(--blue-ice);
  max-width: 560px;
  margin: 24px 0 40px;
}

.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.hero-sectors {
  margin-top: 72px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 32px;
}

.hero-sector {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--lavender-gray);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-sector svg { width: 26px; height: 26px; color: var(--blue-accent); flex-shrink: 0; }

/* ---------- Sectors section (light) ---------- */
.sectors { background: var(--white); }

.sector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sector-card {
  border: 1px solid #e3e6f0;
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.sector-card:hover { box-shadow: 0 16px 40px rgba(9,12,31,0.08); transform: translateY(-2px); }

.sector-card svg {
  width: 34px; height: 34px;
  color: var(--navy-800);
  margin-bottom: 24px;
}

.sector-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.sector-card p {
  color: var(--ink-muted);
  font-size: 15px;
  margin: 0;
}

/* ---------- Approach / Kapitel section ---------- */
.approach { background: var(--bg-light); }

.approach-list {
  display: grid;
  gap: 40px;
}

.approach-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: start;
}

.approach-num {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 700;
  color: var(--blue-accent);
}

.approach-item h3 { font-size: 19px; margin-bottom: 8px; }
.approach-item p { color: var(--ink-muted); margin: 0; font-size: 15px; }

/* ---------- Stats / Kennzahlen (dark) ---------- */
.stats {
  background: var(--navy-950);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.stat-card {
  background: var(--navy-700);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.stat-number {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  color: var(--lavender-gray);
  font-size: 14px;
  margin-top: 8px;
}

.stats .section-title, .stats .eyebrow { position: relative; z-index: 1; }

.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.track-card {
  background: var(--navy-700);
  border-radius: var(--radius);
  border-top: 3px solid var(--blue-accent);
  padding: 28px 26px 30px;
}

.track-card-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.2px;
  margin-bottom: 10px;
}

.track-card-desc {
  color: var(--lavender-gray);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- About ---------- */
.about {
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.about-portrait {
  aspect-ratio: 4 / 5;
  background: var(--navy-800);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-accent);
}
.about-portrait svg { width: 64px; height: 64px; }

.about-body p { color: var(--ink-muted); font-size: 16px; }
.about-signoff {
  margin-top: 28px;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--navy-800);
}
.about-signoff span {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 4px;
}

/* ---------- Contact ---------- */
.contact { background: var(--navy-800); color: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.contact-info p { color: var(--blue-ice); font-size: 16px; }

.contact-detail {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-detail a, .contact-detail span {
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
}
.contact-detail a:hover { color: var(--blue-accent); }

form.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  color: var(--blue-ice);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.04);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.35); }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  background: rgba(255,255,255,0.07);
}

.contact-form textarea { resize: vertical; min-height: 130px; }

.form-note { font-size: 12px; color: var(--lavender-gray); margin-top: -4px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-950);
  color: var(--lavender-gray);
  padding: 48px 0 32px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 28px;
  margin-bottom: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; letter-spacing: 1.5px; font-size: 13px; }
.footer-brand svg { width: 18px; height: 18px; color: var(--blue-accent); }

.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--lavender-gray); }
.footer-links a:hover { color: var(--white); }

.footer-bottom { font-size: 12px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- Legal pages (Impressum/Datenschutz) ---------- */
.legal-hero {
  background: var(--navy-950);
  color: var(--white);
  padding: 180px 0 64px;
}
.legal-hero h1 { font-size: 38px; overflow-wrap: break-word; word-break: break-word; }

.legal-body { padding: 72px 0; max-width: 760px; }
.legal-body h2 { font-size: 22px; margin: 40px 0 14px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { color: var(--ink-muted); font-size: 15.5px; }
.legal-body ul { padding-left: 20px; }

.placeholder {
  background: #fff3cd;
  border: 1px dashed #d8b652;
  border-radius: var(--radius);
  padding: 2px 8px;
  color: #8a6d1f;
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sector-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .track-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-portrait { max-width: 320px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 40px; }
  section { padding: 72px 0; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  body.nav-open .main-nav {
    display: block;
    position: fixed;
    top: 84px; left: 0; right: 0;
    background: var(--navy-950);
    padding: 24px 32px 32px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  body.nav-open .main-nav ul { flex-direction: column; gap: 22px; }
  body.nav-open .lang-switch { margin-top: 22px; }
  .hero { padding: 150px 0 96px; }
  .hero h1 { font-size: 32px; letter-spacing: 2px; }
  .hero .hero-sub { font-size: 17px; }
  .hero-sectors { gap: 24px; }
  .footer-grid, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .container { padding: 0 20px; }
  .legal-hero { padding: 140px 0 48px; }
  .legal-hero h1 { font-size: 26px; line-height: 1.3; }
}