/* ============================================================
   troega.com – Stylesheet
   Farben: Dunkelblau #13253b (aus dem bisherigen Auftritt),
   TRÖGA-Cyan #1a9ed2 (aus dem Logo) als Akzent
   ============================================================ */

:root {
  --blau: #13253b;
  --blau-dunkel: #0b1727;
  --blau-hell: #1e3c5f;
  --cyan: #1a9ed2;
  --cyan-dunkel: #127cab;
  --cyan-hell: #5cc4ee;
  --grau-bg: #f4f7f9;
  --grau-linie: #dfe5ea;
  --text: #24303e;
  --text-hell: #5a6b80;
  --weiss: #ffffff;
  --radius: 10px;
  --schatten: 0 8px 30px rgba(19, 37, 59, 0.10);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--weiss);
  line-height: 1.65;
  font-size: 1.02rem;
}

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

.container { max-width: 1160px; margin: 0 auto; padding: 0 22px; }

h1, h2, h3 { line-height: 1.25; color: var(--blau); font-weight: 800; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 14px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

a { color: var(--cyan-dunkel); text-decoration: none; }
a:hover { text-decoration: underline; }

p + p { margin-top: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--cyan);
  color: #fff;
  font-weight: 700;
  padding: 14px 30px;
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  text-decoration: none;
}
.btn:hover { background: var(--cyan-dunkel); border-color: var(--cyan-dunkel); text-decoration: none; transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.btn-outline-dunkel { background: transparent; border-color: var(--blau); color: var(--blau); }
.btn-outline-dunkel:hover { background: var(--blau); color: #fff; }
.btn-klein { padding: 9px 20px; font-size: 0.92rem; }
.btn-fehler { background: #a04545; border-color: #a04545; }
.btn-fehler:hover { background: #8a3a3a; border-color: #8a3a3a; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--grau-linie);
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }
.logo { display: flex; align-items: center; }
.logo img { display: block; }

.main-nav ul { display: flex; align-items: center; gap: 6px; list-style: none; }
.main-nav a:not(.btn) {
  display: block;
  padding: 10px 14px;
  color: var(--blau);
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.main-nav a:not(.btn):hover { background: var(--grau-bg); text-decoration: none; }
.main-nav a.active { color: var(--cyan-dunkel); }
.nav-cta { margin-left: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--blau); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 85% 0%, rgba(26, 158, 210, 0.28), transparent 45%),
    linear-gradient(135deg, var(--blau-dunkel) 0%, var(--blau) 55%, var(--blau-hell) 100%);
  color: #fff;
  padding: 110px 0 100px;
  overflow: hidden;
}
.hero::after {
  /* dezentes Träger-/Gittermuster */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-unterseite .container { max-width: 880px; }
.hero h1 { color: #fff; margin-bottom: 18px; }
.hero h1 strong { color: var(--cyan-hell); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.9fr; gap: 60px; align-items: center; }
.hero-foto img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.hero-ueberzeile {
  display: inline-block;
  background: rgba(26, 158, 210, 0.18);
  border: 1px solid rgba(92, 196, 238, 0.5);
  color: #a8ddf5;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.hero .lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #d4dce6; max-width: 640px; }
.hero-aktionen { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-unterseite { padding: 70px 0 60px; }

/* ---------- Zahlen-Band ---------- */
.stats { background: var(--blau-dunkel); border-top: 1px solid rgba(255, 255, 255, 0.08); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding-top: 30px; padding-bottom: 30px; }
.stat { text-align: center; }
.stat-zahl { display: block; font-size: 2.2rem; font-weight: 800; color: var(--cyan-hell); line-height: 1.1; }
.stat-text { color: #aebbca; font-size: 0.95rem; }

/* ---------- Sektionen ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--grau-bg); }
.section-title { text-align: center; margin-bottom: 16px; }
.section-title strong { color: var(--cyan-dunkel); }
.section-intro { text-align: center; max-width: 680px; margin: 0 auto 44px; color: var(--text-hell); }
.content-narrow { max-width: 780px; }
.content-narrow h2 { margin-top: 44px; }
.content-narrow h2:first-child, .content-narrow .section-title { margin-top: 0; }
.content-narrow h3 { margin-top: 26px; }
.absatz-gross { font-size: 1.15rem; }
.content-narrow ul { padding-left: 22px; margin-top: 10px; }

/* ---------- Karten ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 40px; }
.card {
  background: var(--weiss);
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--schatten);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 38px rgba(19, 37, 59, 0.14); }
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(26, 158, 210, 0.12);
  margin-bottom: 18px;
}
.card-icon svg { width: 28px; height: 28px; fill: var(--cyan-dunkel); }

/* ---------- Branchen-Grid ---------- */
.branchen-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; margin-top: 40px; }
.branche {
  background: var(--weiss);
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  padding: 26px 12px;
  text-align: center;
  font-weight: 700;
  color: var(--blau);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: transform 0.2s, border-color 0.2s;
}
.branche:hover { transform: translateY(-3px); border-color: var(--cyan); }
.branche svg { width: 34px; height: 34px; fill: var(--cyan-dunkel); }

/* ---------- Zielgruppen-Teaser (Doppel-Funnel) ---------- */
.zielgruppen { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 40px; }
.zielgruppe {
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  padding: 38px 34px;
  background: var(--grau-bg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.zielgruppe p { flex: 1; }
.zielgruppe .btn, .zielgruppe .btn-outline-dunkel { margin-top: 18px; }
.zielgruppe-akzent {
  background: linear-gradient(135deg, var(--blau-dunkel), var(--blau-hell));
  border-color: var(--blau);
  color: #d4dce6;
}
.zielgruppe-akzent h3 { color: #fff; }
.zielgruppe h3 { font-size: 1.45rem; }
.zielgruppe-foto {
  width: calc(100% + 68px);
  margin: -38px -34px 24px;
  height: 190px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.split + .split { margin-top: 80px; }
.split.reverse .split-media { order: 2; }
img.split-media {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--schatten);
}

.checklist { list-style: none; margin: 18px 0 26px; }
.checklist li { padding: 7px 0 7px 34px; position: relative; font-weight: 600; color: var(--blau); }
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--cyan) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="white" d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/12px no-repeat;
}

/* ---------- Ablauf-Schritte ---------- */
.schritte { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 40px; list-style: none; counter-reset: schritt; }
.schritt {
  background: var(--weiss);
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--schatten);
  position: relative;
}
.schritt-nr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blau);
  color: var(--cyan-hell);
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

/* ---------- Formular-Sektion auf Unterseiten ---------- */
.formular-box {
  background: var(--weiss);
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  box-shadow: var(--schatten);
  padding: 40px 36px;
  margin-top: 40px;
}
.formular-box .contact-form input,
.formular-box .contact-form textarea {
  background: var(--grau-bg);
  border: 1px solid var(--grau-linie);
  color: var(--text);
}
.formular-box .contact-form input::placeholder,
.formular-box .contact-form textarea::placeholder { color: var(--text-hell); }
.formular-box .contact-form input:focus,
.formular-box .contact-form textarea:focus { outline: 2px solid var(--cyan); background: #fff; }

/* ---------- Kontakt-CTA ---------- */
.contact-cta {
  background:
    radial-gradient(ellipse at 15% 100%, rgba(26, 158, 210, 0.22), transparent 50%),
    linear-gradient(135deg, var(--blau-dunkel) 0%, var(--blau) 60%, var(--blau-hell) 100%);
  color: #d4dce6;
  padding: 80px 0;
}
.contact-cta h2 { color: #fff; }
.cta-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.kontakt-liste { list-style: none; margin-top: 26px; }
.kontakt-liste li { display: flex; align-items: center; gap: 14px; padding: 9px 0; }
.kontakt-liste svg { width: 22px; height: 22px; fill: var(--cyan-hell); flex-shrink: 0; }
.kontakt-liste a { color: #fff; font-weight: 600; }

.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
  font-size: 0.98rem;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #9fb0c2; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--cyan); background: rgba(255, 255, 255, 0.12); }
.contact-form textarea, .contact-form .cf-voll, .contact-form button { grid-column: 1 / -1; }
.contact-form textarea { resize: vertical; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form .btn { justify-self: start; }

/* ---------- Formular-Overlay ---------- */
#cf-modal {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 39, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.cf-box {
  background: #fff;
  color: var(--text);
  border-radius: var(--radius);
  padding: 42px 38px;
  max-width: 460px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.cf-box h3 { color: var(--blau); font-size: 1.3rem; margin: 16px 0 10px; }
.cf-box .btn { margin-top: 20px; }
.cf-check { width: 64px; height: 64px; }
.cf-check-kreis { stroke: #4c9a63; stroke-width: 3; stroke-dasharray: 160; stroke-dashoffset: 160; animation: cf-zeichnen 0.7s ease forwards; }
.cf-check-haken { stroke: #4c9a63; stroke-width: 4; stroke-linecap: round; stroke-dasharray: 40; stroke-dashoffset: 40; animation: cf-zeichnen 0.5s 0.5s ease forwards; }
.cf-x-kreis { stroke: #a04545; stroke-width: 3; stroke-dasharray: 160; stroke-dashoffset: 160; animation: cf-zeichnen 0.7s ease forwards; }
.cf-x-linien { stroke: #a04545; stroke-width: 4; stroke-linecap: round; stroke-dasharray: 55; stroke-dashoffset: 55; animation: cf-zeichnen 0.5s 0.5s ease forwards; }
@keyframes cf-zeichnen { to { stroke-dashoffset: 0; } }

/* ---------- Cookie-Banner ---------- */
#cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 300;
  display: flex;
  justify-content: center;
}
.cc-inner {
  background: #fff;
  border: 1px solid var(--grau-linie);
  border-radius: var(--radius);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.25);
  padding: 22px 26px;
  max-width: 620px;
  font-size: 0.94rem;
}
.cc-actions { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.cc-btn {
  background: var(--cyan);
  color: #fff;
  border: 2px solid var(--cyan);
  border-radius: 8px;
  padding: 10px 22px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.cc-btn-outline { background: transparent; color: var(--blau); border-color: var(--grau-linie); }

/* ---------- Footer ---------- */
.site-footer { background: var(--blau-dunkel); color: #aebbca; padding: 60px 0 30px; font-size: 0.95rem; }
.footer-logo { display: inline-block; background: #fff; border-radius: 8px; padding: 10px 14px; }
.footer-logo img { display: block; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.site-footer h3 { color: #fff; font-size: 1rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.site-footer a { color: #d4dce6; }
.site-footer a:hover { color: var(--cyan-hell); }
.site-footer nav a { display: block; padding: 3px 0; }
.footer-text { margin-top: 16px; }
.footer-unten {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 44px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: #7d8ea3;
}

/* ---------- Responsiv ---------- */
@media (max-width: 980px) {
  .cards, .schritte, .stats-grid { grid-template-columns: 1fr 1fr; }
  .branchen-grid { grid-template-columns: repeat(3, 1fr); }
  .cta-grid, .zielgruppen, .split, .hero-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split.reverse .split-media { order: 0; }
  .split + .split { margin-top: 60px; }
  img.split-media { max-height: 320px; }
  .hero-foto img { max-height: 340px; }
}

@media (max-width: 700px) {
  .section { padding: 56px 0; }
  .hero { padding: 76px 0 66px; }
  .cards, .schritte { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; gap: 26px; }
  .branchen-grid { grid-template-columns: 1fr 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-unten { flex-direction: column; align-items: flex-start; }
  .formular-box { padding: 28px 20px; }

  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--grau-linie);
    box-shadow: 0 14px 30px rgba(19, 37, 59, 0.12);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 18px; }
  .main-nav a:not(.btn) { padding: 13px 10px; }
  .nav-cta { margin: 10px 0 0; }
  .nav-cta .btn { display: block; text-align: center; }
}