@keyframes slide-in-right {
  from {
    transform: translateX(110%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

:root {
  --color-bg: #0a122a;
  --color-bg-section: #0e1a35;
  --color-bg-card: #131f3f;
  --color-bg-dark: #07101f;
  --color-primary: #2a4a8a;
  --color-primary-mid: #3a5fa0;
  --color-primary-glow: #5b8cf7;
  --color-primary-dark: #1a3060;
  --color-text: #dbe1ff;
  --color-text-muted: #9aaad4;
  --color-text-dim: #6a7aaa;
  --color-border: #1e2d58;
  --color-nav-bg: #0a122a;
  --font-heading: Arial, Helvetica, sans-serif;
  --font-body: "Raleway", sans-serif;
  --max-width: 1400px;
  --section-pad-y: 80px;
  --section-pad-x: 40px;
  --radius-btn: 6px;
  --radius-card: 10px;
  --transition-base: 0.25s ease;
}

body[data-theme="light"] {
  --color-bg: #eef2ff;
  --color-bg-section: #e4eaf8;
  --color-bg-card: #f5f7ff;
  --color-bg-dark: #d8e0f5;
  --color-primary: #2a4a8a;
  --color-primary-mid: #3a5fa0;
  --color-primary-glow: #4a7be0;
  --color-primary-dark: #1a3060;
  --color-text: #111a38;
  --color-text-muted: #3a4a72;
  --color-text-dim: #6070a0;
  --color-border: #c0cce8;
  --color-nav-bg: #eef2ff;
}

body[data-theme="readable"] {
  --color-bg: #0f1722;
  --color-bg-section: #16202d;
  --color-bg-card: #182332;
  --color-bg-dark: #0c121b;
  --color-primary: #5e8fdb;
  --color-primary-mid: #72a2ee;
  --color-primary-glow: #7fb3ff;
  --color-primary-dark: #35598f;
  --color-text: #e8edf5;
  --color-text-muted: #b7c2d0;
  --color-text-dim: #8d98a9;
  --color-border: #314255;
  --color-nav-bg: #111926;
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}
body[data-theme="readable"] {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}
body[data-theme="readable"] h1 {
  font-size: 2em;
  line-height: 1.25;
}
body[data-theme="readable"] p,
body[data-theme="readable"] li,
body[data-theme="readable"] .page-hero__sub,
body[data-theme="readable"] .impressum__value,
body[data-theme="readable"] .contact-card__value,
body[data-theme="readable"] .footer__desc,
body[data-theme="readable"] .footer__contact-item,
body[data-theme="readable"] .footer__bottom p {
  max-width: 600px;
  letter-spacing: 0.5px;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}
a:hover {
  color: var(--color-primary);
}

h1,
h2,
h3,
h4 {
  font-family: "Abel", Arial, sans-serif !important;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}
.btn--primary {
  background: linear-gradient(135deg, var(--color-primary-mid), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 14px rgba(91, 140, 247, 0.25);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-glow), var(--color-primary-mid));
  color: #fff;
  box-shadow: 0 6px 20px rgba(91, 140, 247, 0.4);
  transform: translateY(-1px);
}
.btn--outline {
  background: color-mix(in srgb, var(--color-primary) 45%, transparent);
  border-color: color-mix(in srgb, var(--color-primary-glow) 50%, transparent);
  color: #fff;
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

body[data-theme="light"] .page-hero__title,
body[data-theme="light"] .page-hero__sub,
body[data-theme="light"] .section-title {
  color: #ffffff;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}
.divider {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin: 12px 0 32px;
}
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon svg {
  display: block;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 140px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.logo-placeholder {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}
.nav__back {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}
.nav__back:hover {
  color: var(--color-text);
}
.nav__back svg {
  flex-shrink: 0;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-section);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    color var(--transition-base),
    background var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary-glow);
  background: var(--color-bg-card);
  transform: translateY(-1px);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-hero {
  position: relative;
  overflow: hidden;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  padding: 56px 0;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.page-hero__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: brightness(0.35) contrast(1.15);
  background:
    radial-gradient(
      circle at top right,
      rgba(200, 71, 62, 0.22),
      transparent 25%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(141, 43, 40, 0.18),
      transparent 28%
    ),
    linear-gradient(180deg, #1a1a1a 0%, #111111 100%);
}
.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.6);
  z-index: 1;
}
.page-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}
.page-hero__sub {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.impressum {
  padding: var(--section-pad-y) 0;
}
.impressum__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.impressum__block {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.impressum__block:last-child {
  border-bottom: none;
}
.impressum__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  margin-bottom: 6px;
  font-weight: 700;
}
.impressum__value {
  font-size: 0.93rem;
  color: var(--color-text);
  line-height: 1.75;
}
.impressum__value a {
  color: var(--color-primary-glow);
  font-weight: 600;
}
.impressum__value a:hover {
  color: var(--color-text);
}
.impressum-prose {
  padding: var(--section-pad-y) 0;
  background: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
}
.impressum-prose__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.impressum-prose__inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 10px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}
.impressum-prose__inner h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}
.impressum-prose__inner h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-glow);
  margin: 24px 0 8px;
}
.impressum-prose__inner p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}
.impressum-prose__inner a {
  color: var(--color-primary-glow);
  font-weight: 600;
}
.impressum-prose__inner a:hover {
  color: var(--color-text);
}
.impressum-prose__inner strong {
  color: var(--color-text);
}

.impressum-cta {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--section-pad-y) 0;
  text-align: center;
}
.impressum-cta__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}

.contact-cards {
  padding: var(--section-pad-y) 0;
}
.contact-cards__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.contact-card {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}
.contact-card:hover {
  border-color: var(--color-primary-glow);
  transform: translateY(-4px);
}
.contact-card__icon {
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card__icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary-glow);
}
.contact-card__title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.contact-card__value {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.contact-card__value a {
  color: var(--color-primary-glow);
  font-weight: 600;
}
.contact-card__value a:hover {
  color: var(--color-text);
}

.footer-info {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
}
.footer-info__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}
.footer-info__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.footer-info__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.footer-info__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--color-primary-glow);
}
.footer-info__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}
.footer-info__value {
  font-size: 0.88rem;
  color: var(--color-text);
  font-weight: 600;
}
.footer-info__value a {
  color: var(--color-text);
}
.footer-info__value a:hover {
  color: var(--color-primary-glow);
}

.footer {
  background: var(--color-nav-bg);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 24px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
  margin-bottom: 48px;
}
.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.footer__desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer__pillars {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 20px;
}
.footer__pillars li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.footer__pillars li svg {
  stroke: var(--color-primary);
  flex-shrink: 0;
}
.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social a {
  width: 36px;
  height: 36px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--transition-base),
    border-color var(--transition-base);
}
.footer__social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.footer__social a svg {
  stroke: var(--color-text-muted);
  transition: stroke var(--transition-base);
}
.footer__social a:hover svg {
  stroke: #fff;
}
.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 20px;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer__links a:hover {
  color: var(--color-primary);
}
.footer__contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}
.footer__contact-icon svg {
  width: 15px;
  height: 15px;
  stroke: var(--color-primary-glow);
}
.footer__bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px var(--section-pad-x) 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.footer__bottom-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer__bottom-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.footer__bottom-links a:hover {
  color: var(--color-primary);
}

.floating-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
}
.floating-sidebar__item {
  display: flex;
  align-items: center;
  flex-direction: row-reverse;
  gap: 0;
  color: #fff;
  background: var(--color-primary);
  border: 1px solid var(--color-primary-mid);
  border-right: none;
  overflow: hidden;
  width: 56px;
  transition:
    width 0.34s cubic-bezier(0.4, 0, 0.2, 1),
    background var(--transition-base);
  text-decoration: none;
  animation: slide-in-right 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.floating-sidebar__item:nth-child(1) {
  animation-delay: 0.15s;
}
.floating-sidebar__item:nth-child(2) {
  animation-delay: 0.3s;
}
.floating-sidebar__item:nth-child(3) {
  animation-delay: 0.45s;
}
.floating-sidebar__item:first-child {
  border-radius: var(--radius-btn) 0 0 0;
}
.floating-sidebar__item:last-child {
  border-radius: 0 0 0 var(--radius-btn);
}
.floating-sidebar__item:hover {
  width: 180px;
  background: var(--color-primary-mid);
  color: #fff;
}
.floating-sidebar__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.floating-sidebar__icon svg {
  width: 26px;
  height: 26px;
  display: block;
  flex-shrink: 0;
}
.floating-sidebar__label {
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  opacity: 0;
  padding-right: 12px;
  transform: translateX(10px);
  transition:
    opacity 0.22s 0.06s ease,
    transform 0.26s 0.06s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.04em;
}
.floating-sidebar__item:hover .floating-sidebar__label {
  opacity: 1;
  transform: translateX(0);
}

.floating-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.floating-cta__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--color-primary-mid), var(--color-primary));
  border: 1px solid var(--color-primary-glow);
  border-radius: var(--radius-btn);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transition:
    background var(--transition-base),
    transform var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}
.floating-cta__btn:hover {
  background: var(--color-primary-mid);
  transform: translateY(-2px);
  color: #fff;
}
.floating-cta__btn svg {
  width: 20px;
  height: 20px;
  stroke: #fff;
}
.floating-cta__phone {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition:
    border-color var(--transition-base),
    color var(--transition-base);
  text-decoration: none;
}
.floating-cta__phone:hover {
  border-color: var(--color-primary-glow);
  color: var(--color-text);
}
.floating-cta__phone svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-primary-glow);
}

#scrollTopBtn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(91, 140, 247, 0.4);
  border-radius: var(--radius-btn);
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-heading);
  cursor: pointer;
  z-index: 400;
  transition:
    color 0.2s,
    border-color 0.2s,
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#scrollTopBtn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

@media (max-width: 1100px) {
  .footer__grid,
  .footer-info__grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-cards__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 900px) {
  :root {
    --section-pad-x: 24px;
  }
  .impressum__grid {
    grid-template-columns: 1fr;
  }
  .nav__inner {
    gap: 16px;
  }
}
@media (max-width: 600px) {
  :root {
    --section-pad-x: 16px;
    --section-pad-y: 56px;
  }
  .footer__grid,
  .footer-info__grid {
    grid-template-columns: 1fr;
  }
  .contact-cards__grid {
    grid-template-columns: 1fr;
  }
  .floating-sidebar {
    display: none;
  }
  .floating-cta {
    bottom: 16px;
    right: 16px;
  }
  .floating-cta__phone {
    display: none;
  }
  .nav__inner {
    height: auto;
    min-height: 92px;
    padding-top: 20px;
    padding-bottom: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .nav__actions {
    width: 100%;
    justify-content: space-between;
  }
}