/* ============================
   1. Theme Variables (Material Light Medium‐Contrast)
   ============================ */

:root {
  /* ————————————— Brand & CTA ————————————— */
  --color-primary:                  rgb( 19,  54, 101);  /* md-sys-color-primary */
  --color-on-primary:               rgb(255, 255, 255);  /* md-sys-color-on-primary */

  --color-primary-container:        rgb( 80, 109, 160);  /* md-sys-color-primary-container */
  --color-on-primary-container:     rgb(255, 255, 255);  /* md-sys-color-on-primary-container */

  /* “Accent”  */
  --color-accent:                   var(--color-primary-container);
  --color-on-accent:                var(--color-on-primary-container);

  /* ————————————— Secondary & Chips ————————————— */
  --color-secondary:                rgb( 46,  54,  71);  /* md-sys-color-secondary */
  --color-on-secondary:             rgb(255, 255, 255);  /* md-sys-color-on-secondary */

  --color-secondary-container:      rgb(100, 109, 128);  /* md-sys-color-secondary-container */
  --color-on-secondary-container:   rgb(255, 255, 255);  /* md-sys-color-on-secondary-container */

  /* ————————————— Positive feedback ————————————— */
  --color-tertiary-container:       rgb(127, 100, 132);  /* md-sys-color-tertiary-container */
  --color-on-tertiary-container:    rgb(255, 255, 255);  /* md-sys-color-on-tertiary-container */

  /* ————————————— Neutrals & Surfaces ————————————— */
  --color-bg:                       rgb(249, 249, 255);  /* md-sys-color-background */
  --color-text:                     rgb( 25,  28,  32);  /* md-sys-color-on-background */

  --color-form-bg:                  #FFF;/*rgb(231, 232, 238);   md-sys-color-surface-container */
  --color-on-form-bg:               rgb( 15,  17,  22);  /* md-sys-color-on-surface */

  /* outline / borders */
  --color-outline:                  rgb( 79,  82,  90);  /* md-sys-color-outline */

  /* ————————————— Spacing & Type Scale ————————————— */
  --spacing-sm:   0.5rem;
  --spacing-md:    1rem;
  --spacing-lg:    1.5rem;

  --fs-xl:         2.5rem;
  --fs-lg:         1.5rem;
  --fs-md:         1rem;
  --fs-sm:      0.875rem;

  --container-max:1200px;
}

/* ============================
   2. Base Reset & Global Layout
   ============================ */

*, *::before, *::after { box-sizing: border-box; margin:0; padding:0; }
body { font-family:'Open Sans', sans-serif; color:var(--color-text); background:var(--color-bg); line-height:1.6; }
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
button { background:none; border:none; cursor:pointer; }

/* Alternating section backgrounds */
section:nth-of-type(odd) { background: var(--color-bg); }
section:nth-of-type(even) { background: var(--color-form-bg); }

/* Utilities */
.container { width:90%; max-width:var(--container-max); margin:0 auto; }
.text-center { text-align:center; }
.flex { display:flex; }
.items-center { align-items:center; }
.justify-between { justify-content:space-between; }
.mt-lg { margin-top:var(--spacing-lg); }

/* ============================
   3. Logo Styling
   ============================ */

.logo a {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}
.nav-container .logo {
  margin-right: var(--spacing-lg);
  padding-left: var(--spacing-lg);
}

/* ============================
   4. Header & Navigation
   ============================ */

header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 100;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  font-family: 'Montserrat', sans-serif;
}

.nav-links a {
  font-size: var(--fs-md);
  font-weight: 600;
}
.nav-links a:hover,
.nav-links a:focus {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-container);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-primary);
  border-radius: 4px;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s,
    box-shadow 0.2s;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

section {
  scroll-margin-top: 60px;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
#styled-form {
  scroll-margin-top: 60px;
}

/* Mobile nav toggle */
.nav-toggle { display: none; }
.hamburger {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-text);
  position: relative;
}
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 3px;
  background: var(--color-text);
  left: 0;
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* ============================
   5. Language Switcher
   ============================ */

.lang-switch {
  display: flex;
  align-items: center;
  font-size: var(--fs-sm);
  margin-left: auto;
}
.lang-switch-desktop {
  display: flex;
  gap: var(--spacing-sm);
  font-weight: 600;
}
.lang-switch-desktop .active {
  color: var(--color-primary);
  text-decoration: none;
}
.lang-link {
  color: var(--color-text);
  text-decoration: none;
  padding: 0 var(--spacing-sm);
  transition: color 0.2s;
}
.lang-link:hover,
.lang-link.active {
  color: var(--color-primary);
  text-decoration: underline;
}

@media (min-width: 769px) {
  .lang-switch { display: none; }
  .lang-switch-desktop { display: flex; margin-left: auto; }
}
@media (max-width: 768px) {
  .lang-switch {
    order: -1;
    margin: 0 0 var(--spacing-md) 0;
    justify-content: center;
    width: 100%;
  }
  .lang-switch-desktop { display: none; }
}

/* ============================
   6. Hero Section
   ============================ */

section.hero-section {
  background: var(--color-primary);
  padding: 4rem 0;
  color: var(--color-on-primary);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: center;
  /*max-width: 1400px;*/
  margin: 0 auto;
}

.hero-content {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem var(--spacing-md);
  justify-self: start;
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--fs-xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.hero-content p {
  font-size: var(--fs-md);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.hero-content .btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
 
   background: var(--color-primary-container);
  color:      var(--color-on-primary-container);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: box-shadow 150ms ease, transform 150ms ease;
}
.hero-content .btn-primary:hover,
.hero-content .btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

@media (max-width: 600px) {
  .hero-content h1 { font-size: 1.8rem; }
  .hero-section { padding: 3rem 0; }
}

/* ============================
   7. Features Section
   ============================ */

.features-section h2 {
  margin-bottom: var(--spacing-lg);
  position: relative;
  text-align: center;
  color:var(--color-primary);
}
.features-section h2::after {
  content: '';
  width: 60px;
  height: 4px;
  background: var(--color-primary-container) ;
  display: block;
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}
.feature-card {
  background: #fff;
  border-radius: 8px;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  fill: var(--color-primary-container);
  flex-shrink: 0;
}
.feature-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: var(--fs-lg);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}
.feature-card p {
  flex-grow: 1;
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  text-align: center;
}
.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
@media (max-width: 800px) {
  .features { grid-template-columns: 1fr; }
}

/* ============================
   8. Languages Section
   ============================ */

.languages-section h2 {
  margin-bottom: var(--spacing-lg);
  text-align: center;
  position: relative;
  color:var(--color-primary);
}
.languages-section h2::after {
  content: '';
  width: 60px;
  height: 4px;
   background: var(--color-primary-container) ;
  display: block;
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}
.languages-section {
  background: var(--color-form-bg);
  padding: var(--spacing-lg) 0;
}
.languages-section > .container > p:first-of-type {
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--color-text);
}
.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-lg);
  list-style: none;
  padding: 0;
  margin: 0 auto var(--spacing-lg);
  max-width: calc(var(--container-max) + var(--spacing-lg)*2);
}
.language-item {
  background: var(--color-form-bg);
  border-radius: 0.5rem;
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.language-item:hover,
.language-item:focus {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  background: #fff;
  outline: none;
}
.language-item .flag { font-size: 2.5rem; margin-bottom: var(--spacing-sm); display: block; }
.language-item .language-name {
  font-weight: 600;
  color: var(--color-text);
  transition: color 0.2s;
}
.language-item:hover .language-name,
.language-item:focus .language-name { color: var(--color-primary); }
.languages-section > .container > p:last-of-type { margin-top: var(--spacing-lg); color: var(--color-text); }

/* ============================
   9. Team Section
   ============================ */

.team-section {
  background: var(--color-form-bg);
  padding: var(--spacing-lg) 0;
}
.team-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  color:var(--color-primary);
}
.team-section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
   background: var(--color-primary-container) ;
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}
.team-section p {
  max-width: 800px;
  margin: var(--spacing-md) auto;
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--color-text);
  text-align: center;
}

/* ============================
   10. Branchen Section
   ============================ */

#branchen {
  background: var(--color-bg);
  padding: var(--spacing-lg) 0;
}
#branchen h2 {
  text-align: center;
  margin-bottom: var(--spacing-md);
  position: relative;
  color:var(--color-primary);
}
#branchen h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--color-primary-container) ;
  margin: var(--spacing-sm) auto 0;
  border-radius: 2px;
}
#branchen > .container > p {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--color-text);
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}
.industry-item {
  background: var(--color-form-bg);
  padding: var(--spacing-md);
  border-radius: 0.5rem;
  text-align: center;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.industry-item:hover,
.industry-item:focus {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  background: #fff;
}
#branchen > .container > p.text-center:last-of-type {
  margin-top: var(--spacing-lg);
  color: var(--color-text);
}

/* ============================
   11. Contact Section
   ============================ */

.contact-box {
  background: var(--color-form-bg);
  border: 1px solid var(--color-outline);
  border-radius: 8px;
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.contact-item {
  display: flex;
  flex-direction: column;
}
.contact-label {
  font-size: var(--fs-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.contact-value {
  /*font-size: var(--fs-lg);*/
  font-weight: 700;
  color: var(--color-accent);
  word-break: keep-all;
  overflow-wrap: break-word;
}
.contact-value:hover {
  text-decoration: underline;
}

#contact {
  background:var(--color-primary-container);
  color: var(--color-on-accent);
  padding: var(--spacing-lg) 0;
}
#contact .container { overflow-x: hidden; }
#contact h2 { color: var(--color-primary); }
#contact > .container > p { color: var(--color-on-accent); }
#contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  width: 100%;
  max-width: 100%;
}
.contact-info {
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.offer-form {
  background: var(--color-bg);
  color: var(--color-text);
  padding: var(--spacing-lg);
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.offer-card {
  color: var(--color-on-accent);
  padding: var(--spacing-lg);
}
.offer-card h2 {
  color: var(--color-on-accent) !important;
  margin-bottom: var(--spacing-md);
}
.offer-card p {
  margin-bottom: var(--spacing-md);
  color: var(--color-on-accent);
}

/* ============================
   12. Offer Form Styling
   ============================ */

.offer-form h3 {
  font-size: var(--fs-md);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}
.offer-form label span {
  color: var(--color-primary);
}
.radio-group {
  display: flex;
  gap: 1.5rem;        /* spacing between radios */
  flex-wrap: wrap;    /* allow wrapping if not enough space */
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;        /* space between circle and text */
  cursor: pointer;
  white-space: nowrap; /* prevent text breaking oddly */
}

input[type="radio"] {
  -webkit-appearance: radio;
  appearance: radio;
  width:auto !important;
  accent-color: #133665; /* theme color */
}

@media (max-width: 600px) {
  .radio-group {
    flex-direction: column;  /* stack vertically on small screens */
    align-items: flex-start;
    gap: 0.5rem;
  }
}
.offer-form .form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-sm) 0;
}
.offer-form .form-group {
  flex: 1 1 100%;
  display: flex;
  flex-direction: column;
}
.offer-form .form-group.half {
  flex: 1 1 calc(50% - var(--spacing-md)/2);
}
.offer-form .form-group.third {
  flex: 1 1 calc(33.333% - var(--spacing-md)/2);
}
.offer-form .form-group input,
.offer-form .form-group textarea,
.offer-form .form-group select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: var(--fs-md);
  transition: border-color 0.3s;
}
.offer-form .form-group input:focus,
.offer-form .form-group select:focus,
.offer-form .form-group textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}
.offer-form .phone-input {
  display: flex;
  gap: var(--spacing-sm);
}
.offer-form .phone-input select {
  flex: 0 0 30%;
  min-width: 60px;
}
.offer-form .service-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
.offer-form .service-item {
  flex: 1 1 calc(33.333% - var(--spacing-md)/2);
  background: var(--color-form-bg);
  padding: var(--spacing-md);
  border-radius: 4px;
  border: 1px solid var(--color-outline);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s;
}
.offer-form .service-item:hover {
  border-color: var(--color-primary);
}
.offer-form button {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  font-size: var(--fs-md);
  cursor: pointer;
  transition: background 0.3s;
}
.offer-form button:hover, 
.offer-form button:focus-visible{
  background: var(--color-accent);
}

/* Select2 Chips */
.select2-container--default .select2-selection--multiple .select2-selection__choice {
  background-color: var(--color-secondary-container);
  border: none;
  color: var(--color-on-secondary-container);
  font-weight: 500;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
  color: var(--color-on-secondary-container);
  margin-right: 6px;
  cursor: pointer;
}
.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
  background: rgba(255,255,255,0.2);
}

/* ============================
   13. Footer
   ============================ */

footer {
  padding: var(--spacing-md) 0;
  background: #f5f5f5;
  text-align: center;
  font-size: var(--fs-sm);
}
footer a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0 var(--spacing-sm);
  transition: color 0.2s;
}

/* ============================
   Form Result Messages
   ============================ */

/* Base hidden state */
#form-result .result {
  display: none;
  text-align: center;
  padding: 2rem 1rem;
}

/* Icon styling */
#form-result .result svg {
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
}

/* Success variant */
#form-result .result.success {
  
  color: var(--color-on-tertiary-container);
  border-radius: 0.5rem;
}

#form-result .result.success svg {
  stroke: var(--color-primary);
}

/* Error variant */
#form-result .result.error{
 
  color: var(--color-on-error-container);
  border-radius: 0.5rem;
}

#form-result .result.error svg {
  stroke: var(--color-on-error-container);
}

/* Message text */
#form-result .result p {
  font-size: var(--fs-md);
  line-height: 1.5;
  margin: 0.5rem 0 1rem;
}

/* Action buttons 
#form-result .result .btn-primary {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--fs-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}*/

/* Success button uses primary-container 
#form-result .result.success .btn-primary {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border: none;
}

#form-result .result.success .btn-primary:hover {
  background: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}*/

/* Error button uses error color
#form-result .result.error .btn-primary {
  background: var(--color-error);
  color: var(--color-on-error);
  border: none;
}

#form-result .result.error .btn-primary:hover {
  background: var(--color-error-container);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
} */

/* Show the block by removing `display:none` in JS */
#form-result.show-success    .success,
#form-result.show-error      .error
 {
  display: block;
}


/* Loader spinner */
#form-loader {
  display: none;                   /* hidden by default */
  margin: 1.5rem auto;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0,0,0,0.1);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* When loading, hide results & submit */
.loading #form-result,
.loading button[type="submit"] {
  display: none;
}
.loading #form-loader {
  display: block;
}
/* ============================
   14. Responsive Breakpoints
   ============================ */

@media (max-width: 800px) {
  .features, .languages-grid, .industries-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .logo a { font-size: 1.25rem; }

  #contact .contact-grid {
    grid-template-columns: 1fr;
    row-gap: var(--spacing-lg);
  }
  .contact-info,
  .offer-form {
    margin: 0 auto var(--spacing-lg);
  }

  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-bg);
    width: 200px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  .nav-links.nav-open { display: flex; }
  .nav-links a { margin: var(--spacing-md) 0; margin-left: 0; }

  .offer-form .form-group,
  .offer-form .form-group.half,
  .offer-form .form-group.third {
    flex: 1 1 100%;
  }
  .offer-form .form-row { flex-direction: column; }
  .offer-form .phone-input { flex-direction: column; }
  .offer-form .service-options { flex-direction: column; }
  .offer-form .service-item { flex: 1 1 100%; }
  .offer-form select { max-width: 100%; }
}

@media (max-width: 600px) {
  .hero-content h1 { font-size: 1.8rem; }
  .hero-content p { font-size: 0.9rem; }
  .contact-box { padding: var(--spacing-md); }
  .radio-group {
    display:flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}