/* ============================================
   MAK Pflegedienst GmbH - Design System
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Roboto:wght@300;400;500;700&display=swap');

/* ============================================
   CSS Custom Properties - Color Palette
   ============================================ */
:root {
  /* Primary Colors */
  --color-primary-blue: #133951;
  --color-primary-red: #DD2E39;

  /* Secondary Colors */
  --color-secondary-dark-gray: #707C84;
  --color-secondary-light-gray: #C9BEC0;
  --color-secondary-very-light-gray: #F3F3F3;
  --color-white: #FFFFFF;

  /* Accent Colors */
  --color-accent-turquoise: #5BC8C8;
  --color-accent-beige: #F0E9DA;

  /* Semantic Colors */
  --color-text-primary: #133951;
  --color-text-secondary: #5A666F;
  --color-text-light: #FFFFFF;
  --color-background: #FFFFFF;
  --color-background-light: #F3F3F3;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Roboto', sans-serif;

  /* Font Sizes */
  --font-size-xs: 0.875rem;
  /* 14px */
  --font-size-sm: 1rem;
  /* 16px */
  --font-size-base: 1.125rem;
  /* 18px */
  --font-size-lg: 1.25rem;
  /* 20px */
  --font-size-xl: 1.5rem;
  /* 24px */
  --font-size-2xl: 2rem;
  /* 32px */
  --font-size-3xl: 2.5rem;
  /* 40px */
  --font-size-4xl: 3rem;
  /* 48px */
  --font-size-5xl: 3.5rem;
  /* 56px */

  /* Spacing */
  --spacing-xs: 0.5rem;
  /* 8px */
  --spacing-sm: 1rem;
  /* 16px */
  --spacing-md: 1.5rem;
  /* 24px */
  --spacing-lg: 2rem;
  /* 32px */
  --spacing-xl: 3rem;
  /* 48px */
  --spacing-2xl: 4rem;
  /* 64px */
  --spacing-3xl: 6rem;
  /* 96px */

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(19, 57, 81, 0.1);
  --shadow-md: 0 4px 6px rgba(19, 57, 81, 0.1);
  --shadow-lg: 0 10px 25px rgba(19, 57, 81, 0.15);
  --shadow-xl: 0 20px 40px rgba(19, 57, 81, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Container */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

ul,
ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.text-large {
  font-size: var(--font-size-lg);
}

.text-small {
  font-size: var(--font-size-sm);
}

/* ============================================
   Layout Components
   ============================================ */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-light {
  background-color: var(--color-background-light);
}

.section-accent {
  background-color: var(--color-accent-beige);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo img {
  height: 80px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-primary-blue);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background-color: var(--color-primary-red);
  transition: transform var(--transition-base);
}

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

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
  color: var(--color-primary-red);
  font-weight: 600;
}

.nav-link.btn-primary:hover,
.nav-link.btn-primary.active {
  color: var(--color-white);
}

.nav-link.btn-primary::after {
  display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-primary-blue);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary-red);
  color: var(--color-white);
  border-color: var(--color-primary-red);
}

.btn-primary:hover {
  background-color: #c12730;
  border-color: #c12730;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(221, 46, 57, 0.35);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  border-color: var(--color-primary-blue);
}

.btn-secondary:hover {
  background-color: #0f2d3f;
  border-color: #0f2d3f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
}

.btn-outline:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
}

/* Outline button visibility on dark hero backgrounds */
.hero .btn-outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

.hero .btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary-blue);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(19, 57, 81, 0.06);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card .btn {
  margin-top: auto;
  align-self: flex-start;
}

@media (hover: hover) {
  .card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
  }
}

.card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(115deg, #0f2d3f, #35627c);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
  color: var(--color-white);
}

.card-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary-blue);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================
   Grid System
   ============================================ */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary-blue) 0%, #1a4d6b 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><path d="M0,400 Q300,200 600,400 T1200,400 L1200,800 L0,800 Z" fill="rgba(255,255,255,0.05)"/></svg>') no-repeat center;
  background-size: cover;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

.hero .btn {
  margin-right: var(--spacing-sm);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--color-accent-turquoise);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-sm);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-blue);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  border: 2px solid var(--color-secondary-light-gray);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  background-color: var(--color-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(19, 57, 81, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
  text-align: center;
}

.text-white {
  color: var(--color-white) !important;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

/* ============================================
   Reusable Component Classes
   ============================================ */

/* Checklist items (used across leistungen, intensivpflege, karriere, index) */
.checklist {
  list-style: none;
  padding: 0;
}

.checklist li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
}

/* Info box (used in ueber-uns, karriere certifications/benefits) */
.info-box {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.info-box h4 {
  color: var(--color-primary-blue);
  margin-bottom: 1rem;
}

/* Gradient feature box (used in index, leistungen) */
.gradient-box {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-accent-turquoise));
  padding: 3rem;
  border-radius: var(--radius-xl);
  color: white;
}

.gradient-box h3 {
  color: white;
}

/* Section subtitle pattern */
.section-subtitle {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   Font Awesome Icon Overrides
   ============================================ */
/* Card Icons */
.card-icon-fa {
  font-size: 2.5rem;
  color: var(--color-white);
  /* Removed margin-bottom to keep it vertically centered in the flex container */
}

/* Footer Icons */
.footer-section p i {
  color: var(--color-white);
  margin-right: 0.5rem;
  width: 20px;
  text-align: center;
}

/* Contact / General Icons */
.card-title i,
.btn i {
  color: var(--color-primary-blue);
  margin-right: 0.5rem;
  width: 20px;
  text-align: center;
}

.btn-primary i {
  color: var(--color-white);
}

/* Checklist Checkmarks */
.icon-accent {
  color: var(--color-accent-turquoise);
}

.fa-ul {
  margin-left: 2rem;
}
.fa-ul li {
  padding: 0.5rem 0;
  color: var(--color-text-secondary);
}

/* ============================================
   Accessibility
   ============================================ */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent-turquoise);
  outline-offset: 2px;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  z-index: 999;
}

.back-to-top:hover {
  background-color: var(--color-primary-red);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pre-animation state for scroll-triggered elements */
.card,
.grid>div {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.card.fade-in-up,
.grid>div.fade-in-up {
  opacity: 1;
  transform: translateY(0);
}

/* Elements that should always be visible (hero, direct children) */
.hero-content {
  opacity: 1;
  transform: none;
}

.hero-content.fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .fade-in-up {
    animation: none;
  }

  .card,
  .grid>div {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.875rem;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --spacing-3xl: 3rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  /* Mobile nav overlay backdrop */
  .nav-menu::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(19, 57, 81, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: -1;
  }

  .nav-menu.active::before {
    opacity: 1;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    padding-top: 6rem;
    background-color: var(--color-white);
    flex-direction: column;
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: left var(--transition-base);
    align-items: flex-start;
    z-index: -1;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
  }

  /* CTA buttons stack vertically on mobile */
  .hero .btn {
    display: block;
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
    text-align: center;
  }

  .section .btn+.btn {
    margin-top: var(--spacing-sm);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: var(--font-size-4xl);
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --spacing-3xl: 2rem;
  }

  .btn-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }
}