/* ============================================================
   UDG Unternehmensberatung und Datenservice GmbH
   Premium Corporate Stylesheet
   Palette: Tiefes Dunkelblau · Warmweiß · Kupfer-Akzent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dunkel:      #141820;
  --tief:        #1e2330;
  --mittel:      #2e3340;
  --grau:        #636878;
  --hellgrau:    #9ea4b0;
  --linie:       #dddde3;
  --hintergrund: #f5f5f8;
  --weiss:       #ffffff;
  --kupfer:      #a0714f;
  --kupfer-hell: #bf8f6a;
  --kupfer-bg:   #f8f3ef;
  --schrift:     #141820;
  --serif:       'Cormorant Garamond', Georgia, serif;
  --sans:        'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--schrift);
  background: var(--weiss);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--kupfer); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--dunkel); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--dunkel);
  letter-spacing: 0.01em;
}
h1 { font-size: 3.2rem; }
h2 { font-size: 2.1rem; margin-bottom: 1rem; }
h3 { font-size: 1.45rem; margin-bottom: 0.6rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1.1rem; color: var(--mittel); }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--dunkel); }

.container       { max-width: 1080px; margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: 760px; margin: 0 auto; padding: 0 2rem; }

section { padding: 5rem 0; }
.bg-warm { background: var(--hintergrund); }
.bg-dark  { background: var(--dunkel); }

.copper-rule { width: 48px; height: 1px; background: var(--kupfer); margin: 1.5rem 0; }
.copper-rule--center { margin: 1.5rem auto; }

/* ============================================================
   NAVIGATION
   ============================================================ */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(20, 24, 32, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(160, 113, 79, 0.2);
}

.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 2rem;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}

.logo { display: flex; flex-direction: column; line-height: 1.2; text-decoration: none; }
.logo:hover { text-decoration: none; }

.logo-name {
  font-family: var(--serif);
  font-size: 1.35rem; font-weight: 500;
  color: var(--weiss); letter-spacing: 0.05em; text-transform: uppercase;
}
.logo-abbr {
  font-family: var(--serif);
  font-size: 0.75rem; font-weight: 300;
  color: rgba(255,255,255,0.35); letter-spacing: 0.18em;
}

nav ul { list-style: none; display: flex; gap: 0; }
nav ul li a {
  display: block; padding: 0.4rem 1rem;
  font-family: var(--sans); font-size: 0.76rem;
  font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.5); transition: color 0.2s; text-decoration: none;
}
nav ul li a:hover, nav ul li a.active { color: var(--kupfer-hell); text-decoration: none; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 0.4rem;
}
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: rgba(255,255,255,0.65); transition: all 0.3s; }

/* ============================================================
   HERO – kein Panel, volle Breite, Text zentriert
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--dunkel);
  display: flex; align-items: center;
  padding: 8rem 2rem 6rem;
  position: relative; overflow: hidden;
}

/* Dezente geometrische Linie rechts */
.hero::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 1px; height: 100%;
  background: linear-gradient(180deg, transparent 10%, rgba(160,113,79,0.3) 50%, transparent 90%);
}

.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--kupfer), transparent);
  opacity: 0.35;
}

.hero-inner {
  max-width: 1080px; margin: 0 auto; width: 100%;
}

.hero-eyebrow {
  font-family: var(--sans); font-size: 0.68rem; font-weight: 400;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--kupfer); margin-bottom: 2rem; display: block;
}

.hero h1 {
  font-family: var(--serif); font-size: 4rem; font-weight: 300;
  color: var(--weiss); line-height: 1.1; max-width: 720px;
}
.hero h1 em { font-style: italic; color: rgba(255,255,255,0.5); }

.hero-divider { width: 48px; height: 1px; background: var(--kupfer); margin: 2.25rem 0; }

.hero-lead {
  font-size: 0.95rem; font-weight: 300;
  color: rgba(255,255,255,0.5); line-height: 1.9;
  max-width: 560px; margin-bottom: 0;
}

.hero-actions { display: flex; gap: 1.25rem; margin-top: 2.75rem; align-items: center; flex-wrap: wrap; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block; font-family: var(--sans);
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 0.9rem 2.2rem; border: 1px solid transparent;
  transition: all 0.25s; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-copper {
  background: var(--kupfer); color: var(--weiss); border-color: var(--kupfer);
}
.btn-copper:hover {
  background: var(--kupfer-hell); border-color: var(--kupfer-hell); color: var(--weiss);
}

.btn-outline-light {
  background: transparent; color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.22);
}
.btn-outline-light:hover { color: var(--weiss); border-color: rgba(255,255,255,0.55); }

.btn-outline-dark {
  background: transparent; color: var(--dunkel); border-color: var(--dunkel);
}
.btn-outline-dark:hover { background: var(--dunkel); color: var(--weiss); }

/* ============================================================
   SEITENTITEL-BANNER
   ============================================================ */
.page-header {
  padding: 9rem 2rem 4rem; background: var(--dunkel);
  position: relative; overflow: hidden;
}
.page-header::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--kupfer), transparent); opacity: 0.35;
}
.page-header-inner { max-width: 1080px; margin: 0 auto; }

.page-eyebrow {
  font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--kupfer); display: block; margin-bottom: 1.25rem;
}
.page-header h1 {
  font-family: var(--serif); font-size: 3rem; font-weight: 300;
  color: var(--weiss); line-height: 1.1;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb { background: var(--hintergrund); border-bottom: 1px solid var(--linie); padding: 0.7rem 2rem; }
.breadcrumb-inner {
  max-width: 1080px; margin: 0 auto; display: flex; gap: 0.5rem;
  align-items: center; font-size: 0.75rem; letter-spacing: 0.06em; color: var(--hellgrau);
}
.breadcrumb-inner a { color: var(--grau); }
.breadcrumb-inner a:hover { color: var(--dunkel); }
.breadcrumb-sep { color: var(--linie); }

/* ============================================================
   LEISTUNGS-RASTER
   ============================================================ */
.leistung-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border: 1px solid var(--linie); margin-top: 3.5rem;
}
.leistung-item {
  padding: 2.75rem 2.25rem; border-right: 1px solid var(--linie);
  transition: background 0.25s;
}
.leistung-item:last-child { border-right: none; }
.leistung-item:hover { background: var(--kupfer-bg); }

.leistung-nr {
  font-family: var(--serif); font-size: 0.78rem; color: var(--kupfer);
  letter-spacing: 0.12em; display: block; margin-bottom: 1.5rem;
}
.leistung-item h3 {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 400;
  color: var(--dunkel); margin-bottom: 0.85rem;
}
.leistung-item p { font-size: 0.88rem; line-height: 1.8; color: var(--grau); margin-bottom: 1.5rem; }

.leistung-link {
  font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--kupfer); font-weight: 500;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.leistung-link::after { content: '→'; transition: transform 0.2s; }
.leistung-item:hover .leistung-link::after { transform: translateX(4px); }

/* ============================================================
   SPLIT-SEKTION
   ============================================================ */
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }

.split-text { padding: 5rem 4rem 5rem 0; }

.split-panel {
  background: var(--dunkel); padding: 5rem 3.5rem;
  display: flex; flex-direction: column; justify-content: center;
}
.split-panel .panel-label {
  font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.28); display: block; margin-bottom: 2rem;
}

.register-item {
  padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.07);
  display: flex; flex-direction: column; gap: 0.2rem;
}
.register-item:last-child { border-bottom: none; }
.register-label { font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.28); }
.register-value { font-family: var(--serif); font-size: 1rem; color: rgba(255,255,255,0.8); }

/* ============================================================
   TEAM
   ============================================================ */
.team-card {
  background: var(--weiss); padding: 3rem 2.75rem;
  border: 1px solid var(--linie); margin-top: 3rem;
  max-width: 520px;
}
.team-initial {
  width: 56px; height: 56px; border: 1px solid var(--kupfer);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.4rem; color: var(--kupfer);
  margin-bottom: 1.75rem;
}
.team-card h3 { font-family: var(--serif); font-size: 1.55rem; font-weight: 400; color: var(--dunkel); margin-bottom: 0.25rem; }
.team-role {
  font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--kupfer); display: block; margin-bottom: 1.5rem;
}
.team-card p { font-size: 0.9rem; color: var(--grau); line-height: 1.8; }
.team-meta {
  margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--linie);
  font-size: 0.75rem; color: var(--hellgrau); letter-spacing: 0.04em;
}

/* ============================================================
   DATENTABELLE
   ============================================================ */
.data-table { width: 100%; border-collapse: collapse; margin-top: 2.5rem; font-size: 0.9rem; }
.data-table th {
  background: var(--dunkel); color: rgba(255,255,255,0.55);
  font-family: var(--sans); font-weight: 400; font-size: 0.68rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 0.9rem 1.5rem; text-align: left;
}
.data-table td { padding: 1rem 1.5rem; border-bottom: 1px solid var(--linie); color: var(--mittel); vertical-align: top; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) td { background: var(--hintergrund); }
.data-table td:first-child { font-weight: 500; color: var(--dunkel); width: 32%; white-space: nowrap; }

/* ============================================================
   PROZESS
   ============================================================ */
.process-list { margin-top: 3.5rem; }
.process-item {
  display: grid; grid-template-columns: 80px 1fr; gap: 2rem;
  padding: 2.5rem 0; border-bottom: 1px solid var(--linie); align-items: start;
}
.process-item:last-child { border-bottom: none; }
.process-num {
  font-family: var(--serif); font-size: 2.8rem; font-weight: 300;
  color: var(--linie); line-height: 1; text-align: right;
  padding-right: 2rem; border-right: 1px solid var(--linie);
}
.process-content h3 { font-family: var(--serif); font-size: 1.3rem; font-weight: 400; color: var(--dunkel); margin-bottom: 0.6rem; }
.process-content p { font-size: 0.9rem; color: var(--grau); margin-bottom: 0; }

/* ============================================================
   CTA-BAND
   ============================================================ */
.cta-band {
  background: var(--dunkel); padding: 5rem 2rem; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--kupfer), transparent); opacity: 0.4;
}
.cta-band::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--kupfer), transparent); opacity: 0.4;
}
.cta-band h2 { font-family: var(--serif); font-size: 2.4rem; font-weight: 300; color: var(--weiss); margin-bottom: 1rem; }
.cta-band p { font-size: 0.92rem; color: rgba(255,255,255,0.42); max-width: 480px; margin: 0 auto 2.5rem; }

/* ============================================================
   KONTAKTFORMULAR
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start; }

.contact-detail { margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--linie); }
.contact-detail-label { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--hellgrau); display: block; margin-bottom: 0.5rem; }
.contact-detail-value { font-family: var(--serif); font-size: 1.05rem; color: var(--dunkel); line-height: 1.6; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; font-size: 0.68rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--grau); margin-bottom: 0.5rem; font-weight: 400;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 0.8rem 0; border: none;
  border-bottom: 1px solid var(--linie); border-radius: 0;
  font-family: var(--sans); font-size: 0.92rem; color: var(--dunkel);
  background: transparent; transition: border-color 0.2s; outline: none;
  appearance: none; -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-bottom-color: var(--kupfer); }
.form-group textarea { resize: none; min-height: 120px; line-height: 1.7; }
.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ea4b0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.5rem center; padding-right: 2rem;
}
.form-check { display: flex; gap: 0.85rem; align-items: flex-start; margin-bottom: 2rem; }
.form-check input[type="checkbox"] { width: 14px; height: 14px; min-width: 14px; border: 1px solid var(--hellgrau); margin-top: 0.2rem; cursor: pointer; accent-color: var(--kupfer); }
.form-check label { font-size: 0.8rem; color: var(--grau); line-height: 1.6; font-weight: 400; letter-spacing: 0; text-transform: none; }

.form-success { display: none; padding: 2rem; border: 1px solid var(--kupfer); background: var(--kupfer-bg); margin-top: 1.5rem; }
.form-success p { font-family: var(--serif); font-size: 1.1rem; color: var(--dunkel); margin-bottom: 0; }

/* ============================================================
   IMPRESSUM / LEGAL
   ============================================================ */
.legal-block { padding: 2.5rem 0; border-bottom: 1px solid var(--linie); }
.legal-block:last-child { border-bottom: none; }
.legal-block h2 { font-family: var(--serif); font-size: 1.3rem; font-weight: 400; color: var(--dunkel); margin-bottom: 1rem; }
.legal-block h3 { font-family: var(--sans); font-size: 0.85rem; font-weight: 600; color: var(--dunkel); margin-top: 1.25rem; margin-bottom: 0.4rem; letter-spacing: 0.04em; }
.legal-block p { font-size: 0.9rem; color: var(--grau); line-height: 1.85; }

/* ============================================================
   FOOTER
   ============================================================ */
footer { background: var(--dunkel); padding: 4rem 2rem 2rem; border-top: 1px solid rgba(160,113,79,0.18); }
.footer-inner { max-width: 1080px; margin: 0 auto; }
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .logo-name { font-family: var(--serif); font-size: 1.2rem; color: var(--weiss); letter-spacing: 0.05em; text-transform: uppercase; }
.footer-brand .logo-abbr { font-size: 0.6rem; color: rgba(255,255,255,0.22); letter-spacing: 0.18em; display: block; margin-bottom: 1.25rem; }
.footer-brand p { font-size: 0.82rem; color: rgba(255,255,255,0.28); line-height: 1.8; margin-bottom: 0; }
.footer-col h4 { font-family: var(--sans); font-size: 0.65rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255,255,255,0.28); margin-bottom: 1.25rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.42); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--kupfer-hell); text-decoration: none; }
.footer-bottom { padding-top: 1.75rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
.footer-bottom p { font-size: 0.75rem; color: rgba(255,255,255,0.18); margin-bottom: 0; }
.footer-bottom a { font-size: 0.75rem; color: rgba(255,255,255,0.18); }
.footer-bottom a:hover { color: var(--kupfer); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  h1 { font-size: 2.4rem; }
  .hero h1 { font-size: 2.8rem; }
  .leistung-grid { grid-template-columns: 1fr; }
  .leistung-item { border-right: none; border-bottom: 1px solid var(--linie); }
  .leistung-item:last-child { border-bottom: none; }
  .split-section { grid-template-columns: 1fr; }
  .split-text { padding: 3rem 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  section { padding: 3.5rem 0; }
  .hero { padding: 7rem 1.5rem 4rem; }
  .hero h1 { font-size: 2.2rem; }
  .page-header { padding: 8rem 1.5rem 3rem; }
  .page-header h1 { font-size: 2.2rem; }
  .container, .container--narrow { padding: 0 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .nav-toggle { display: flex; }
  nav {
    display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
    background: var(--dunkel); padding: 2rem; overflow-y: auto;
  }
  nav.open { display: block; }
  nav ul { flex-direction: column; gap: 0; }
  nav ul li a { padding: 1rem 0; font-size: 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
}