/* ============================================================
   EDUSOL – V3.1 Central Stylesheet
   Alle Farben, Abstände und Typografie zentral definiert.
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  --color-primary:        #3a7ba0;
  --color-primary-dark:   #3a6a85;
  --color-bg-hero:        #b8cfe0;
  --color-bg-band:        #cddde9;
  --color-bg-card:        #dce8f2;
  --color-bg-nav:         #dce8f2;
  --color-text-dark:      #1a1a1a;
  --color-text-body:      #555;
  --color-text-hero:      #2a4a5e;
  --color-text-muted:     #999;
  --color-sol-bg:         #fef8ec;
  --color-sol-border:     #f0dfa8;
  --color-sol-accent:     #b87d20;
  --color-whatsapp:       #25D366;

  --font-base:            'Poppins', sans-serif;
  --font-weight-light:    300;
  --font-weight-regular:  400;
  --font-weight-semi:     600;
  --font-weight-bold:     700;

  --radius-card:          1rem;       /* rounded-4 equivalent */
  --radius-pill:          50rem;
  --radius-btn:           0.5rem;

  --heading-fluid-lg:     clamp(1.5rem, 3vw, 2rem);
  --heading-fluid-xl:     clamp(2rem, 5vw, 3rem);
  --heading-fluid-sm:     clamp(1.4rem, 3vw, 1.9rem);

  --line-height-prose:    1.85;
  --line-height-card:     1.7;
}

/* --- Base --- */
body {
  font-family: var(--font-base);
  background-color: #ffffff;
  color: var(--color-text-dark);
}

/* --- Navbar --- */
.edusol-navbar {
  background-color: var(--color-bg-nav);
}

.edusol-navbar .nav-link {
  font-weight: var(--font-weight-semi);
}

.edusol-navbar .dropdown-menu {
  border: none;
  border-radius: var(--radius-card);
}

.edusol-navbar .dropdown-item {
  border-radius: 0.5rem;
}

/* --- Buttons --- */
.btn-edusol-primary {
  background-color: var(--color-primary);
  color: #fff;
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-pill);
  border: none;
  text-decoration: none;
  display: inline-block;
}

.btn-edusol-primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
}

.btn-edusol-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-btn);
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
}

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

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #fff;
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-pill);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
}

.btn-whatsapp:hover {
  background-color: #1ebe5d;
  color: #fff;
}

/* --- Hero Sections --- */
.hero-main {
  background-color: var(--color-bg-hero);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-sub {
  background-color: var(--color-bg-hero);
  min-height: 52vh;
  display: flex;
  align-items: center;
}

.hero-page {
  background-color: var(--color-bg-hero);
  min-height: 40vh;
  display: flex;
  align-items: center;
}

.hero-legal {
  background-color: var(--color-bg-hero);
  min-height: 28vh;
  display: flex;
  align-items: center;
}

.hero-text {
  color: var(--color-text-hero);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-prose);
}

.hero-eyebrow {
  text-transform: uppercase;
  font-weight: var(--font-weight-semi);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--color-primary-dark);
}

.hero-back-link {
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semi);
  font-size: 0.875rem;
  text-decoration: none;
}

.hero-back-link:hover {
  color: var(--color-primary);
}

/* --- Sections --- */
.section-band {
  background-color: var(--color-bg-band);
}

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

/* --- Cards --- */
.card-wirkungsfeld {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-card);
  text-decoration: none;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card-wirkungsfeld:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(58, 123, 160, 0.15);
}

.card-feature {
  background-color: #fff;
  border-radius: var(--radius-card);
}

.card-insight {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-card);
}

.card-text {
  color: var(--color-text-body);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-card);
}

/* --- Prose text --- */
.prose {
  color: var(--color-text-body);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-prose);
}

/* --- EDU/SOL boxes (Über uns) --- */
.box-edu {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-card);
  padding: 2rem;
  height: 100%;
}

.box-edu-label {
  font-size: 2.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  line-height: 1;
}

.box-edu-sub {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
}

.box-sol {
  background-color: var(--color-sol-bg);
  border: 1px solid var(--color-sol-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  height: 100%;
}

.box-sol-label {
  font-size: 2.8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-sol-accent);
  letter-spacing: 0.06em;
  line-height: 1;
}

.box-sol-sub {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-sol-accent);
  font-weight: var(--font-weight-semi);
}

/* --- Headings --- */
.heading-fluid-lg  { font-size: var(--heading-fluid-lg); }
.heading-fluid-xl  { font-size: var(--heading-fluid-xl); }
.heading-fluid-sm  { font-size: var(--heading-fluid-sm); }

/* --- Legal pages --- */
.legal-heading {
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
}

.legal-body {
  color: var(--color-text-body);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-prose);
  margin-bottom: 2rem;
}

/* --- Footer --- */
.edusol-footer {
  background-color: var(--color-bg-nav);
}

.footer-link {
  color: var(--color-text-dark);
  font-weight: var(--font-weight-semi);
  font-size: 0.875rem;
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-legal-link {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.footer-legal-link:hover {
  color: var(--color-primary);
}

.footer-linkedin {
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
  font-size: 0.875rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* --- Form --- */
.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(58, 123, 160, 0.2);
}