/* ============================================================
   Grüne Reise – Professional Corporate UI Stylesheet
   Author: Senior CSS Developer & UI Designer
   Design: Blue/gray + brand green palette, structured, business fonts
   ============================================================ */

/* ------------------
   CSS RESET / NORMALIZE
------------------ */
html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
html, body { height: 100%; margin: 0; padding: 0; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
  font-weight: normal;
}
ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
img, svg { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: 100%; }
button { background: none; border: none; padding: 0; cursor: pointer; }
:focus { outline: 2px solid #00518c; outline-offset: 2px; }

/* ------------------
   CSS VARIABLES (with fallbacks)
------------------ */
:root {
  --clr-primary: #25613A;
  --clr-primary-dark: #204d2e;
  --clr-secondary: #A8C256;
  --clr-secondary-dark: #8da03e;
  --clr-accent: #F5F1ED;
  --clr-blue: #234169;
  --clr-gray-light: #F5F7FA;
  --clr-gray: #E5E9F0;
  --clr-gray-med: #94A3B8;
  --clr-gray-dark: #46505a;
  --clr-white: #fff;
  --clr-black: #1a1c1e;

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 12px 0 rgba(34,50,74,0.08);
  --shadow-hover: 0 4px 20px 0 rgba(34,50,74,0.14);
}

body {
  background: var(--clr-gray-light);
  color: var(--clr-gray-dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ------------------
   TYPOGRAPHY
------------------ */
h1, .hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--clr-blue);
  margin-bottom: 16px;
  line-height: 1.15;
}
h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 18px;
  line-height: 1.2;
}
h3 {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--clr-blue);
  margin-bottom: 12px;
}
p, ul li, ol li {
  font-size: 16px;
  color: var(--clr-gray-dark);
  margin-bottom: 10px;
}
strong {
  font-weight: 700;
  color: var(--clr-primary-dark);
}
a {
  color: var(--clr-primary);
  transition: color 0.18s;
}
a:hover, a:focus {
  color: var(--clr-blue);
  text-decoration: underline;
}

/* Typography responsive scaling */
@media (max-width: 600px) {
  h1, .hero h1 { font-size: 2rem; }
  h2 { font-size: 1.45rem; }
  h3 { font-size: 1.1rem; }
}

/* Lead/hero paragraph styling */
.hero p {
  font-size: 18px;
  color: var(--clr-blue);
  margin-bottom: 28px;
}

/* ------------------
   HEADER & NAVIGATION
------------------ */
header {
  background: var(--clr-white);
  box-shadow: 0 2px 8px 0 rgba(34,50,74,0.04);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  gap: 28px;
  justify-content: space-between;
  padding-top: 0;
  padding-bottom: 0;
  height: 75px;
}
header a img {
  height: 50px;
  width: auto;
}

.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  margin-left: 24px;
}
.main-nav a {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--clr-blue);
  padding: 8px 0;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border 0.18s, color 0.18s;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--clr-primary);
  border-bottom: 2px solid var(--clr-primary);
}

header .btn-primary {
  margin-left: 24px;
}

/* Hide mobile menu burger on desktop */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  color: var(--clr-primary);
  font-size: 2rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background 0.18s, color 0.18s;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover { background: var(--clr-gray); color: var(--clr-blue); }

/* ------------------
   MOBILE NAVIGATION
------------------ */
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  background: rgba(34,65,105,0.12);
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.68,0.22,0.27,0.92);
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  pointer-events: all;
}
.mobile-menu-close {
  background: transparent;
  color: var(--clr-primary);
  font-size: 2.2rem;
  margin: 32px 32px 8px 0;
  align-self: flex-end;
  border-radius: var(--radius-sm);
  padding: 0 6px;
  transition: background 0.18s, color 0.18s;
  z-index: 2020;
}
.mobile-menu-close:focus,
.mobile-menu-close:hover { background: var(--clr-gray); color: var(--clr-blue); }

.mobile-nav {
  background: var(--clr-white);
  width: 80vw;
  max-width: 330px;
  min-height: 100vh;
  box-shadow: var(--shadow-hover);
  border-top-left-radius: var(--radius);
  border-bottom-left-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: 36px 30px 30px 30px;
}
.mobile-nav a {
  padding: 14px 0;
  color: var(--clr-blue);
  font-size: 17px;
  font-weight: 600;
  width: 100%;
  display: block;
  transition: color 0.18s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--clr-primary);
}

@media (max-width: 1024px) {
  .main-nav { display: none; }
  header .btn-primary { display: none; }
  .mobile-menu-toggle { display: block; }
}

@media (min-width: 1025px) {
  .mobile-menu { display: none !important; }
}

/* ------------------
   HERO + LANDING
------------------ */
.hero {
  background: linear-gradient(98deg, var(--clr-accent) 80%, var(--clr-gray-light) 100%);
  padding: 60px 0 40px 0;
}
.hero .container {
  min-height: 400px;
  align-items: flex-start;
  justify-content: center;
}
.hero .content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 540px;
  margin: 0 auto;
  align-items: flex-start;
}

@media (max-width: 768px) {
  .hero { padding: 32px 0 18px 0; }
  .hero .content-wrapper { max-width: 100%; }
}

/* ------------------
   STRUCTURED SECTIONS
------------------ */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--clr-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
section:last-of-type:not(.hero) {
  margin-bottom: 0;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.text-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
@media (max-width: 768px) {
  .section, section { padding: 22px 4px; }
  .text-image-section { flex-direction: column; gap: 18px; }
}

/*
 * Lists (default styling + inline for features)
 */
ul, ol {
  margin-bottom: 12px;
}
ul li, ol li {
  margin-bottom: 8px;
  padding-left: 0;
}
.feature-icons {
  display: flex;
  flex-direction: row;
  gap: 18px;
  margin-top: 22px;
}
.feature-icons img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--clr-gray-light);
  box-shadow: 0 2px 8px 0 rgba(60,80,110,0.09);
  padding: 10px;
}

.quick-links {
  display: flex;
  flex-direction: row;
  gap: 18px;
  flex-wrap: wrap;
}
.quick-links li a {
  font-weight: 600;
  color: var(--clr-primary);
  padding: 8px 14px;
  background: var(--clr-accent);
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
  font-size: 16px;
}
.quick-links li a:hover { background: var(--clr-primary); color: var(--clr-white); }

/*--------------------
   FLEXBOX LAYOUT HELPERS
---------------------*/
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--clr-white);
  padding: 24px;
  min-width: 270px;
  flex: 1 1 300px;
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

.testimonial-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 26px;
  background: var(--clr-accent);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  font-size: 17px;
  color: var(--clr-blue);
  min-width: 220px;
  max-width: 380px;
  flex: 1 1 260px;
  margin-bottom: 12px;
  border-left: 5px solid var(--clr-primary);
  transition: box-shadow 0.18s, border-color 0.18s;
}
.testimonial-card span {
  color: var(--clr-gray-dark);
  font-size: 15px; font-weight: 600;
  opacity: 0.86;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--clr-blue);
}
@media (max-width: 800px) {
  .testimonial-list {
    flex-direction: column;
    gap: 18px;
  }
  .testimonial-card { max-width: 100%; min-width: 0; }
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 18px;
}

/* ------------------
   SERVICES SPECIFIC FLEXBOX
------------------ */
.service-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.service-grid > div {
  flex: 1 1 270px;
  background: var(--clr-gray-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 16px 18px 16px;
  margin: 0; /* all gap via flex */
  min-width: 220px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 4px solid var(--clr-primary);
  transition: box-shadow 0.2s, border-color 0.18s;
}
.service-grid > div:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--clr-blue);
}

@media (max-width: 900px) {
  .service-grid { flex-direction: column; gap: 16px; }
  .service-grid > div { max-width: 100%; width: 100%; }
}

/* ------------------
   BUTTONS
------------------ */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 17px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  box-shadow: var(--shadow);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  margin: 0;
  gap: 8px;
}
.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--clr-blue);
  color: var(--clr-white);
  box-shadow: var(--shadow-hover);
}
.btn-secondary {
  background: var(--clr-secondary);
  color: var(--clr-black);
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--clr-secondary-dark);
  color: var(--clr-white);
}

@media (max-width: 600px) {
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; font-size: 16px; }
}
 /* Margin below for buttons in sections */
.btn-primary, .btn-secondary { margin-top: 18px; }
.btn-primary:last-child, .btn-secondary:last-child { margin-bottom: 0; }

/* ------------------
   FOOTER
------------------ */
footer {
  background: var(--clr-blue);
  color: var(--clr-white);
  padding: 0;
}
footer .container {
  flex-direction: row;
  align-items: flex-start;
  gap: 48px;
  justify-content: space-between;
  padding-top: 36px;
  padding-bottom: 36px;
}
.brand-footer {
  display: flex;
  flex-direction: row;
  gap: 18px;
  align-items: center;
}
.brand-footer img {
  width: 46px;
  height: 46px;
  filter: grayscale(10%);
}
.brand-footer span {
  font-size: 15px;
  color: var(--clr-white);
  opacity: 0.93;
  line-height: 1.5;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.footer-nav a {
  color: var(--clr-gray);
  font-size: 16px;
  padding: 4px 0;
  transition: color 0.17s;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--clr-secondary);
  text-decoration: underline;
}
footer .btn-primary {
  background: var(--clr-secondary);
  color: var(--clr-blue);
  margin-left: 0;
  font-size: 17px;
  box-shadow: none;
  margin-top: 0;
}
footer .btn-primary:hover { background: var(--clr-secondary-dark); color: var(--clr-white); }

@media (max-width: 900px) {
  footer .container { flex-direction: column; gap: 28px; align-items: flex-start; }
  .brand-footer { flex-direction: row; }
}

/* ------------------
   MISC
------------------ */
.feature-icons { margin-bottom: 0; }
.section { margin-bottom: 60px; padding: 40px 20px; background: var(--clr-white); border-radius: var(--radius); }
.card-container { display: flex; flex-wrap: wrap; gap: 24px; }
.card { margin-bottom: 20px; position: relative; }
.content-grid { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; }
.text-image-section { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.testimonial-card { display: flex; align-items: center; gap: 20px; padding: 20px; }
.feature-item { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; }

/* Ensure card/section spacing on mobile */
@media (max-width: 650px) {
  .section { padding: 18px 4px; margin-bottom: 36px; }
  .content-wrapper { padding: 0 3px; }
}

/* ------------------
   COOKIE CONSENT BANNER
------------------ */
.cookie-banner {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  z-index: 3000;
  width: 100vw;
  background: var(--clr-gray);
  border-top: 2px solid var(--clr-blue);
  box-shadow: 0 -2px 10px 0 rgba(34,65,105,0.08);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  gap: 20px;
  font-size: 15px;
  color: var(--clr-gray-dark);
  animation: slideUp 0.48s cubic-bezier(.7,1.5,.94,.95);
}
@keyframes slideUp { from { transform: translateY(120%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.cookie-banner__actions {
  display: flex;
  flex-direction: row;
  gap: 14px;
}
.cookie-banner__btn {
  padding: 8px 22px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  margin: 0;
  transition: background 0.19s, color 0.19s;
  box-shadow: var(--shadow);
}
.cookie-banner__btn--accept {
  background: var(--clr-primary);
  color: var(--clr-white);
}
.cookie-banner__btn--accept:hover, .cookie-banner__btn--accept:focus {
  background: var(--clr-blue);
  color: var(--clr-white);
}
.cookie-banner__btn--reject {
  background: var(--clr-secondary);
  color: var(--clr-blue);
}
.cookie-banner__btn--reject:hover, .cookie-banner__btn--reject:focus {
  background: var(--clr-secondary-dark);
  color: var(--clr-white);
}
.cookie-banner__btn--settings {
  background: var(--clr-white);
  color: var(--clr-blue);
}
.cookie-banner__btn--settings:hover, .cookie-banner__btn--settings:focus {
  background: var(--clr-gray);
  color: var(--clr-primary);
}
@media (max-width: 650px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    padding: 16px 6px 16px 8px;
  }
  .cookie-banner__actions { gap: 8px; }
}

/* Cookie Modal */
.cookie-modal {
  position: fixed;
  left: 0; top: 0;
  width: 100vw;
  height: 100vh;
  z-index: 3050;
  background: rgba(34,50,74,0.26);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: appearModal 0.22s cubic-bezier(.6,1.5,.9,1);
}
@keyframes appearModal { from { opacity: 0; } to { opacity: 1; } }
.cookie-modal__window {
  background: var(--clr-white);
  color: var(--clr-gray-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  width: 96%;
  max-width: 410px;
  padding: 30px 28px 18px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}
.cookie-modal__close {
  position: absolute;
  right: 16px; top: 16px;
  font-size: 1.8rem;
  background: transparent;
  color: var(--clr-gray-dark);
  border-radius: var(--radius-sm);
  padding: 0 4px;
  transition: background 0.17s, color 0.17s;
}
.cookie-modal__close:hover, .cookie-modal__close:focus {
  background: var(--clr-accent);
  color: var(--clr-primary);
}
.cookie-modal__heading {
  font-size: 1.3rem;
  font-family: var(--font-display);
  margin-bottom: 10px;
  color: var(--clr-blue);
}
.cookie-modal__categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 12px;
}
.cookie-modal__category {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
}
.cookie-modal__category label {
  font-weight: 600;
  color: var(--clr-primary);
  margin-right: 8px;
}
.cookie-modal__category input[type="checkbox"] {
  width: 22px; height: 22px;
  accent-color: var(--clr-primary);
}
.cookie-modal__category--essential label:after {
  content: 'Pflicht';
  font-size: 12px;
  font-weight: 400;
  color: var(--clr-blue);
  background: var(--clr-gray);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  margin-left: 10px;
}
.cookie-modal__actions {
  display: flex;
  gap: 14px;
  flex-direction: row;
  justify-content: flex-end;
}
@media (max-width: 480px) {
  .cookie-modal__window{ padding: 12px 4px 12px 4px; }
}

/* ------------------
   RESPONSIVE DESIGN + FLEX
------------------ */
@media (max-width: 1200px) {
  .container { max-width: 100%; }
}
@media (max-width: 900px) {
  .container { max-width: 98%; }
  .content-wrapper { max-width: 92vw; }
}
@media (max-width: 800px) {
  .service-grid { flex-direction: column; gap: 15px; }
}

@media (max-width: 600px) {
  .brand-footer img { width: 36px; height: 36px; }
  footer .container { gap: 10px; padding-top: 18px; padding-bottom: 18px; }
}

/* ------------------
   ANIMATIONS & MICRO-INTERACTIONS
------------------ */
.card, .service-grid > div, .testimonial-card {
  transition: box-shadow 0.24s, border 0.2s;
}
.card:hover, .service-grid > div:hover {
  box-shadow: var(--shadow-hover);
}
.btn-primary, .btn-secondary, .cookie-banner__btn {
  transition: background 0.19s, color 0.19s, box-shadow 0.16s;
}

/* ------------------
   FORM ELEMENTS
------------------ */
input, textarea, select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--clr-gray-med);
  background: var(--clr-accent);
  padding: 10px 12px;
  color: var(--clr-blue);
  margin-bottom: 16px;
  font-size: 16px;
  width: 100%;
  max-width: 440px;
  transition: border 0.15s, box-shadow 0.17s;
  box-shadow: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 2px 10px 0 rgba(60,80,110,0.07);
}

/* ------------------
   ACCESSIBILITY FOCUS STYLES
------------------ */
a:focus, button:focus, .btn-primary:focus, .btn-secondary:focus {
  outline: 2px solid var(--clr-secondary);
  outline-offset: 2px;
}

/* ------------------
   PRINT STYLES
------------------ */
@media print {
  body, .container, section, header, footer { background: #fff !important; color: #151819 !important; }
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  section, .section { box-shadow: none !important; border: none !important; }
}