/* CSS RESET & NORMALIZATION */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption,
tbody, tfoot, thead, tr, th, td, article, aside,
canvas, details, embed, figure, figcaption, footer, header,
hgroup, menu, nav, output, ruby, section, summary,
time, mark, audio, video {  margin: 0;  padding: 0;  border: 0; box-sizing: border-box; vertical-align: baseline;}
body { line-height: 1;}
ol, ul { list-style: none;}
a { text-decoration: none; color: inherit; }
img, svg { max-width: 100%; display: block; }
button { background: none; border: none; cursor: pointer; font: inherit;}

/* FONT IMPORTS */
@import url('https://fonts.googleapis.com/css?family=Montserrat:700,600,400&display=swap');
@import url('https://fonts.googleapis.com/css?family=Roboto:400,500,700&display=swap');

/* ROOT VARIABLES (with fallback) */
:root {
  --color-primary: #17487F;
  --color-secondary: #3AB187;
  --color-accent: #F2F2F2;
  --color-dark: #23272B;
  --color-metal: #7C8592;
  --color-light: #ffffff;
  --color-footerbg: #181B1F;
  --color-btnhover: #2564ad;
  --color-shadow: rgba(35, 39, 43, 0.24);
  --radius-base: 12px;
  --radius-small: 8px;
  --radius-card: 18px;
  --shadow-card: 0 2px 12px rgba(28,30,32,0.12);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
}

body {
  font-family: var(--font-body, Roboto, Arial, Helvetica, sans-serif);
  background: var(--color-dark, #23272B);
  color: var(--color-accent, #F2F2F2);
  font-size: 16px;
  min-height: 100vh;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0;
  gap: 24px;
}

/* TYPOGRAPHY */
h1, .h1 {
  font-family: var(--font-display, Montserrat, sans-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
h2 {
  font-family: var(--font-display, Montserrat, sans-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}
h3 {
  font-family: var(--font-display, Montserrat, sans-serif);
  font-size: 1.25rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.1px;
}
p, li, ul, ol, .text-section {
  font-size: 1rem;
  color: var(--color-accent);
  font-family: var(--font-body, Roboto, Arial, sans-serif);
  line-height: 1.6;
  margin-bottom: 12px;
}
a {
  color: var(--color-secondary);
  transition: color 0.2s;
}
a:hover, a:focus {
  color: var(--color-light);
  text-decoration: underline;
}
strong { color: var(--color-light);}

ul, ol {
  margin-left: 20px;
  margin-bottom: 12px;
}
ul li, ol li {
  margin-bottom: 8px;
}

/* MAIN LAYOUT SECTIONS */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: none;
  border-radius: var(--radius-base);
}
@media (max-width: 768px) {
  section {
    padding: 32px 6px;
    margin-bottom: 36px;
  }
}

/* HERO */
.hero {
  background: linear-gradient(120deg, var(--color-primary) 85%, #233146 100%);
  border-radius: var(--radius-base);
  box-shadow: 0 5px 36px 0 rgba(0,0,0,.12);
  position: relative;
  overflow: hidden;
  margin-bottom: 60px;
  color: var(--color-accent);
}
.hero h1 { color: var(--color-accent); }
.hero p { color: var(--color-metal); font-size: 1.1rem; }
.hero .cta-btn { margin-top: 20px; }

/* HEADER */
header {
  width: 100%;
  background: var(--color-dark);
  box-shadow: 0 2px 12px 0 var(--color-shadow);
  position: relative;
  z-index: 50;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 20px 18px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  gap: 18px;
}
.header-top img { height: 50px; width: auto; }
.main-nav {
  display: flex;
  flex-direction: row;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-size: 1rem;
  font-family: var(--font-display);
  color: var(--color-metal);
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.17s;
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-secondary);
}
.cta-btn {
  background: var(--color-secondary);
  color: var(--color-dark);
  border-radius: var(--radius-base);
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  padding: 12px 32px;
  box-shadow: 0 2px 8px rgba(30,34,40,0.13);
  letter-spacing: 0.03em;
  border: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.23s;
  outline: none;
  margin-left: 10px;
}
.cta-btn:hover, .cta-btn:focus {
  background: var(--color-btnhover);
  color: var(--color-accent);
  box-shadow: 0 3px 16px rgba(57,177,135,0.15);
}

/* MOBILE NAVIGATION */
.mobile-menu-toggle {
  display: none;
  font-size: 2rem;
  color: var(--color-secondary);
  background:none;
  border:none;
  margin-left: auto;
  z-index: 220;
  padding: 8px 12px;
  border-radius: var(--radius-base);
  transition: background 0.18s;
}
.mobile-menu-toggle:focus, .mobile-menu-toggle:hover {
  background: #31353b;
}

.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26, 28, 32, 0.98);
  z-index: 250;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(.48,1.14,.41,.87);
  display: flex;
  flex-direction: column;
  padding-top: 32px;
  padding-bottom: 24px;
  gap: 36px;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  border: none;
  background: transparent;
  font-size: 2.1rem;
  color: var(--color-secondary);
  align-self: flex-end;
  margin: 0 18px 18px 0;
  padding: 8px 12px;
  border-radius: var(--radius-small);
  transition: background 0.18s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  background: #23252b;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 20px;
}
.mobile-nav a {
  font-size: 1.18rem;
  color: var(--color-accent);
  padding: 12px 24px;
  border-radius: var(--radius-small);
  font-weight: 600;
  text-align: left;
  transition: background 0.17s, color 0.17s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-secondary);
  color: var(--color-dark);
}
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .mobile-menu-toggle { display: block; }
  .cta-btn { margin-left: 0; }
}
@media (max-width: 1024px) {
  .header-top { flex-wrap: wrap; }
}
@media (max-width: 500px) {
  .mobile-menu-toggle {
    font-size: 1.8rem;
    padding: 6px 8px;
  }
  .mobile-menu-close {
    font-size: 1.8rem;
    padding: 6px 8px;
    margin-right: 10px;
  }
}

/* FLEXBOX LAYOUT MANDATORY RULES (as specified) */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.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;
}

/* FEATURE GRID & BOX */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: flex-start;
}
.feature-box {
  background: #232831;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 26px 26px 26px;
  min-width: 260px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
  border: 2px solid #2d3543;
  transition: border 0.16s, box-shadow 0.24s, background 0.24s;
}
.feature-box img {
  width: 44px; height: 44px;
  margin-bottom: 18px;
  filter: brightness(1.10) drop-shadow(0 2px 3px #262d3b1a);
}
.feature-box:hover, .feature-box:focus-within {
  border: 2px solid var(--color-secondary);
  background: #262d33;
  box-shadow: 0 4px 24px rgba(58,177,135,0.10);
}

/* TESTIMONIALS */
.testimonials {
  background: #292e33;
  border-radius: var(--radius-base);
  margin-bottom: 60px;
  box-shadow: 0 1px 12px 0 rgba(20,30,43,0.10);
  padding-bottom: 24px;
}
.testimonials h2 {
  color: var(--color-secondary);
}
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 14px;
}
.testimonial-card {
  background: var(--color-accent);
  color: #161818;
  border-radius: var(--radius-base);
  box-shadow: 0 1px 10px 0 rgba(40,50,66,0.07);
  min-width: 250px;
  max-width: 370px;
  flex: 1 1 270px;
  transition: transform 0.13s, box-shadow 0.22s;
  margin-bottom: 20px;
  border-left: 5px solid var(--color-secondary);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.testimonial-text {
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 12px;
  color: #31353b;
}
.testimonial-name {
  font-weight: 500;
  font-family: var(--font-display);
  color: var(--color-secondary);
  letter-spacing: 0.05em;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 6px 28px 0 #7c85922e;
  border-left: 5px solid var(--color-primary);
}

/* SERVICES/ICON LIST */
.icon-list {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 16px;
}
.icon-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #242A2F;
  border-radius: var(--radius-base);
  min-width: 220px;
  max-width: 320px;
  flex: 1 1 220px;
  padding: 30px 22px 22px 22px;
  margin-bottom: 26px;
  border-top: 4px solid var(--color-primary);
  box-shadow: 0 1px 12px 0 rgba(72,85,103,0.08);
  transition: box-shadow 0.17s, border-color 0.15s;
}
.icon-step img {
  width: 44px; height: 44px;
  margin-bottom: 18px;
  filter: grayscale(15%) contrast(1.1);
}
.icon-step:hover, .icon-step:focus-within {
  box-shadow: 0 2px 18px 0 rgba(58,177,135,0.13);
  border-top: 4px solid var(--color-secondary);
}

/* CTA & ACCENT CTA */
.cta {
  background: #21262b;
  border-radius: var(--radius-base);
  text-align: left;
  box-shadow: 0 1px 16px 0 #10111333;
}
.cta-accent {
  background: linear-gradient(120deg, #282f33 85%, #274F7D 100%);
  color: var(--color-accent);
}
.cta .cta-btn {
  margin-top: 12px;
}

/* CONTACT (kontakt) */
.contact .text-section p {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-accent);
}
.contact .text-section img {
  width: 26px; height: 26px;
  opacity: 0.86;
}

/* FOOTER */
footer {
  background: var(--color-footerbg);
  padding: 44px 0 18px 0;
  width: 100vw;
  color: var(--color-metal);
  border-top: 2px solid #23272b;
}
.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 14px;
  gap: 24px;
}
.footer-nav nav {
  display: flex;
  flex-direction: row;
  gap: 18px;
}
.footer-nav a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-size: 0.96rem;
  opacity: 0.98;
  letter-spacing: 0.01em;
  transition: color 0.14s;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-light);
  text-decoration: underline;
}
.footer-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 12px;
}
.footer-contact {
  display: flex;
  flex-direction: row;
  gap: 22px;
  align-items: flex-start;
  font-size: 1rem;
  margin-bottom: 16px;
}
.footer-contact img { width:48px; height:48px; }
.footer-contact strong { color: var(--color-accent); }
.footer-tagline {
  font-style: italic;
  color: var(--color-metal);
  opacity: 0.98;
  margin-top: 16px;
  font-size: 1.01rem;
  font-family: var(--font-display);
}
@media (max-width:900px) {
  .footer-info {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
}

/* CARDS & CARD CONTAINERS */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-card);
  background: #232831;
  padding: 28px 22px;
  min-width: 220px;
  flex: 1 1 220px;
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

/* BUTTONS */
button, .button, input[type="submit"] {
  border: none;
  outline: none;
  font-family: var(--font-display);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: background 0.21s, color 0.21s, box-shadow 0.16s;
}
.button, input[type="submit"] {
  background: var(--color-secondary);
  color: var(--color-dark);
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 28px;
  margin: 6px 0;
  box-shadow: 0 2px 8px rgba(58,177,135,0.13);
}
.button:hover, .button:focus, input[type="submit"]:hover, input[type="submit"]:focus {
  background: var(--color-btnhover);
  color: var(--color-light);
}

/* TRANSITIONS & MICRO-INTERACTIONS */
a, .cta-btn, .feature-box, .icon-step, .testimonial-card {
  transition: box-shadow 0.18s, transform 0.13s, border 0.18s, color 0.18s, background 0.17s;
}

/* FORMS (minimal, for contact) */
input, textarea, select {
  background: #282e32;
  border: 1px solid #2d353d;
  color: var(--color-accent);
  font-family: var(--font-body);
  border-radius: var(--radius-base);
  padding: 12px 14px;
  margin-bottom: 16px;
  width: 100%;
  font-size: 1rem;
  outline: none;
  transition: border 0.18s, box-shadow 0.18s;
}
input:focus, textarea:focus, select:focus {
  border: 1.5px solid var(--color-secondary);
  box-shadow: 0 2px 8px var(--color-shadow);
}

/* MOBILE RESPONSIVE LAYOUTS */
@media (max-width: 1024px) {
  .header-top {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 16px 10px 10px;
  }
  .main-nav {
    display: none;
  }
  .cta-btn {
    margin-left: 0;
  }
}
@media (max-width: 900px) {
  .feature-grid,
  .icon-list {
    gap: 20px;
  }
  .container {
    padding: 0 8px;
  }
}
@media (max-width: 768px) {
  .feature-grid, .icon-list, .testimonial-slider, .card-container {
    flex-direction: column;
    gap: 20px;
  }
  .footer-info {
    flex-direction: column;
    gap: 12px;
  }
  .footer-contact {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  .content-grid,
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .section {
    padding: 24px 4vw;
    margin-bottom: 36px;
  }
  .hero,
  .cta, .cta-accent {
    border-radius: var(--radius-small);
  }
}
@media (max-width: 520px) {
  h1, .h1 { font-size: 1.5rem; }
  h2 { font-size: 1.14rem; }
  h3 { font-size: 1rem; }
  .feature-box, .card, .testimonial-card, .icon-step {
    padding-left: 14px;
    padding-right: 14px;
    min-width: 0;
    max-width: 100%;
  }
  .footer-contact img { width:38px; height:38px; }
}

/* COOKIE CONSENT BANNER */
.cookie-banner {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  width: 100vw;
  z-index: 9999;
  background: #22262f;
  color: var(--color-accent);
  box-shadow: 0 -1px 12px 0 #10111324;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  padding: 26px 18px;
}
.cookie-banner-message {
  font-size: 1rem;
  line-height: 1.5;
  max-width: 500px;
  font-family: var(--font-body);
}
.cookie-banner-actions {
  display: flex;
  flex-direction: row;
  gap: 12px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  border-radius: var(--radius-small);
  background: var(--color-secondary);
  color: var(--color-dark);
  font-weight: 600;
  padding: 9px 18px;
  transition: background 0.17s, color 0.15s;
  border: none;
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-btnhover);
  color: var(--color-accent);
}
.cookie-btn.reject {
  background: #32353D;
  color: var(--color-accent);
  border: 1px solid #3AB187;
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-secondary);
  color: var(--color-dark);
}
.cookie-btn.settings {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-secondary);
  color: var(--color-dark);
}
@media (max-width: 700px) {
  .cookie-banner {
    flex-direction: column;
    gap: 12px;
    padding: 22px 5px 18px 5px;
    align-items: stretch;
  }
}

/* COOKIE SETTINGS MODAL */
.cookie-modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(25,28,33,0.91);
  z-index: 10001;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.26s;
}
@keyframes fadeIn {
  from { opacity: 0;}
  to { opacity:1; }
}
.cookie-modal {
  background: #2e323a;
  color: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: 0 10px 24px 0 #1419251c;
  max-width: 420px;
  width: 98vw;
  padding: 34px 32px 22px 32px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  z-index: 11000;
  animation: slideModalIn 0.32s cubic-bezier(.15,1.21,.33,.98);
}
@keyframes slideModalIn {
  from { transform: translateY(32px); opacity: 0;}
  to { transform: none; opacity:1; }
}
.cookie-modal h2 {
  color: var(--color-secondary);
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  font-size: 1.24rem;
  margin-bottom: 6px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: #25272b;
  padding: 16px 14px;
  border-radius: var(--radius-small);
  margin-bottom: 8px;
}
.cookie-category label {
  font-size: 1rem;
  font-family: var(--font-body);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-secondary);
  width: 20px; height: 20px;
}
.cookie-category.essential input[type="checkbox"] {
  accent-color: #aaa; cursor: not-allowed;
}
.cookie-category.essential label:after {
  content: ' (immer aktiv)'; color: #A6A6A6; font-size: 0.93rem;
  margin-left: 6px;
}
.cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 12px;
  justify-content: flex-end;
}
.cookie-modal .cookie-btn {
  padding: 9px 18px;
}
.cookie-modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: transparent;
  font-size: 1.44rem;
  color: var(--color-secondary);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  border-radius: var(--radius-small);
  padding: 4px 10px;
  z-index: 11100;
}
.cookie-modal-close:hover, .cookie-modal-close:focus {
  background:#24272d;
}
@media (max-width: 500px) {
  .cookie-modal {
    padding: 22px 4vw 14px 4vw;
    max-width: 97vw;
    min-width: 0;
  }
}

/* MISC CLASSES & UTILITIES */
.bg-metal {
  background: #20232a;
  border: 1.5px solid #343942;
}
.text-secondary {
  color: var(--color-secondary);
}
.text-primary {
  color: var(--color-primary);
}
.text-metal {
  color: var(--color-metal);
}

::-webkit-scrollbar {
  width: 10px;
  background: #22242c;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(120deg, #292d34 0%, #3AB187 100%);
  border-radius: 13px;
}

/* ACCESSIBILITY: Focus State */
a:focus, .cta-btn:focus,
button:focus, input:focus, textarea:focus {
  outline: 2px dashed var(--color-secondary);
  outline-offset: 2px;
}

/* Z-INDEXes for overlays */
.mobile-menu { z-index: 250; }
.cookie-banner { z-index: 9999; }
.cookie-modal-backdrop { z-index: 10001; }

/* INDUSTRIAL MODERN EXTRAS */
h1, h2, h3 {
  text-transform: none;
  letter-spacing: 0;
}
.card, .feature-box, .icon-step, .testimonial-card {
  /* clean, geometric rounded */
  border-radius: var(--radius-card);
  border-right: 3px solid #475c6f;
  border-bottom: 1.5px solid #434950;
  /* subtle metallic edge */
}
.card-title, .feature-box h3, .icon-step h3, .testimonial-name {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}
.card, .feature-box, .icon-step {
  box-shadow: 0 2px 14px 0 #141c2555;
}

/* END OF CSS */