:root {
  --bg: #f4f8f7;
  --surface: #ffffff;
  --surface-soft: #f7fbfa;
  --ink: #0f2a2a;
  --muted: #4b6161;
  --brand: #0c8a78;
  --brand-dark: #0b6b5d;
  --accent: #f2b134;
  --line: #d7e3e3;
  --radius: 16px;
  --shadow: 0 16px 32px rgba(7, 44, 43, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  font-family: "Avenir Next Condensed", "Avenir Next", "Trebuchet MS", sans-serif;
}

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

a {
  color: var(--brand-dark);
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 0% 0%, rgba(12, 138, 120, 0.12), transparent 38%),
    radial-gradient(circle at 100% 10%, rgba(242, 177, 52, 0.12), transparent 30%),
    linear-gradient(180deg, #f4f8f7 0%, #eaf1f1 100%);
}

.container {
  width: min(1140px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
  background: rgba(244, 248, 247, 0.86);
  border-bottom: 1px solid rgba(15, 42, 42, 0.1);
}

.nav-wrap {
  min-height: 106px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: flex-end;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.logo-k {
  color: var(--brand);
}

.logo-mark {
  width: 138px;
  height: auto;
  margin-bottom: -3px;
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center;
  transform: translateY(18px);
  position: relative;
  flex-wrap: nowrap;
}

.nav a,
.nav-dropdown-toggle {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
  white-space: nowrap;
}

.nav-dropdown {
  position: relative;
  padding-bottom: 8px;
  margin-bottom: -8px;
}

.nav-dropdown-toggle {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  -webkit-appearance: none;
  appearance: none;
}

.nav-submenu {
  display: none;
  position: absolute;
  top: calc(100% - 4px);
  left: 0;
  min-width: 210px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px;
  margin-top: 2px;
  z-index: 40;
}

.nav-submenu a {
  display: block;
  padding: 8px 9px;
  border-radius: 8px;
  font-weight: 600;
}

.nav-submenu a:hover {
  background: #edf7f5;
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle:focus-visible {
  color: var(--ink);
}

.nav-dropdown:hover .nav-submenu,
.nav-dropdown:focus-within .nav-submenu {
  display: grid;
  gap: 4px;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 10px 12px;
  font-weight: 700;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 11px 18px;
  font: inherit;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(102deg, var(--brand), #0b6b5d);
  box-shadow: 0 10px 20px rgba(12, 138, 120, 0.25);
}

a.btn.btn-primary,
a.btn.btn-primary:hover,
a.btn.btn-primary:visited,
a.btn.btn-primary:active,
a.btn.btn-primary:focus-visible {
  color: #fff !important;
}

.btn-ghost {
  color: var(--brand-dark);
  background: transparent;
  border: 1px solid #a5c8c4;
}

.btn-nav,
.nav a.btn-nav {
  background: var(--ink);
  color: #fff;
}

.nav .btn-nav {
  margin-left: auto;
}

.btn-emergency,
.nav a.btn-emergency,
.nav button.btn-emergency {
  background: #b23434;
  color: #fff;
  box-shadow: 0 10px 20px rgba(178, 52, 52, 0.25);
}

.btn-emergency:hover,
.nav a.btn-emergency:hover,
.nav button.btn-emergency:hover {
  background: #9c2a2a;
}

.hero {
  padding: 76px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.hero-grid > *,
.region-grid > *,
.contact-grid > *,
.calc-layout > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--brand-dark);
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.25rem);
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  margin-bottom: 18px;
}

h3 {
  font-size: 1.15rem;
}

.lead {
  color: var(--muted);
  max-width: 65ch;
}

.no-break {
  white-space: nowrap;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.hero-points li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--brand-dark);
  font-weight: 800;
}

.hero-media {
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid rgba(12, 107, 93, 0.14);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 14px;
}

.section {
  padding: 42px 0;
}

.section-accent {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24) 0%, rgba(255, 255, 255, 0.62) 100%);
  border-top: 1px solid rgba(12, 107, 93, 0.12);
  border-bottom: 1px solid rgba(12, 107, 93, 0.12);
}

.trust-strip {
  padding-bottom: 28px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.trust-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  display: grid;
  gap: 4px;
}

.trust-grid strong {
  font-size: 1.45rem;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  box-shadow: 0 8px 16px rgba(9, 46, 43, 0.06);
}

.card img {
  width: 44px;
  height: 44px;
  margin-bottom: 12px;
}

.card p,
.card li,
.timeline p,
.faq-list p,
.split p,
.region-grid p,
.calc-result p,
.contact-copy p,
.legal-card p,
.page-intro p,
table {
  color: var(--muted);
}

.card-compact h3 {
  margin-bottom: 8px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.timeline article {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
}

.timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--brand-dark);
  color: #fff;
  font-weight: 800;
  margin-bottom: 10px;
}

.region-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 24px;
  align-items: center;
}

.region-visual,
.page-intro,
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.city-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.city-links a {
  padding: 9px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  padding: 12px 14px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.calc-layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 14px;
  align-items: start;
}

.calculator-grid {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.calc-field {
  display: grid;
  gap: 6px;
}

.calc-field label {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--ink);
}

.calc-field-wide {
  grid-column: 1 / -1;
}

.calculator-grid input,
.calculator-grid select {
  width: 100%;
  border: 1px solid #bdd0cf;
  border-radius: 10px;
  padding: 10px 11px;
  font: inherit;
}

.calculator-grid input[type="checkbox"] {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 1px solid #93b6b3;
  border-radius: 4px;
  appearance: auto;
}

.calc-field .calc-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.calc-result {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 18px;
  display: grid;
  gap: 8px;
}

.calc-result p {
  margin: 0;
}

.calc-kpi-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.calc-kpi-text {
  color: var(--muted);
  font-size: 0.95rem;
}

.calc-kpi-points {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
}

.calc-kpi-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  color: var(--brand-dark);
  font-weight: 800;
}

.calc-kpi-value {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  font-weight: 800;
  line-height: 1.05;
}

.calc-kpi-sub {
  font-size: 1.15rem;
  font-weight: 800;
}

.calc-site-note {
  margin: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: #eef6f4;
  border: 1px solid #c8ded9;
  color: var(--brand-dark);
  font-weight: 600;
}

.calc-breakdown {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 4px;
}

.calc-includes {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px 18px;
}

.calc-includes h3 {
  margin-bottom: 8px;
}

.calc-includes p {
  margin: 0 0 10px;
}

.calc-includes ul {
  margin: 0 0 10px;
  padding-left: 20px;
  display: grid;
  gap: 5px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
}

.contact-copy {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

#kontakt .contact-copy-main {
  display: flex;
  flex-direction: column;
}

#kontakt .contact-copy-main .btn {
  margin-top: 18px;
  align-self: flex-start;
}

.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  display: grid;
  gap: 9px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid #bdd0cf;
  border-radius: 10px;
  padding: 10px 11px;
  font: inherit;
}

.contact-form input[type="checkbox"] {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 1px solid #93b6b3;
  border-radius: 4px;
  appearance: auto;
}

.contact-form .contact-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.contact-form .contact-check a {
  font-weight: 700;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus,
.calculator-grid input:focus,
.calculator-grid select:focus {
  outline: 2px solid rgba(12, 138, 120, 0.25);
  border-color: var(--brand);
}

.contact-list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.form-note {
  margin: 0;
  min-height: 1.3em;
  font-weight: 700;
  color: var(--brand-dark);
}

.form-note.error {
  color: #8a1f1f;
}

.form-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.hp {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
  padding: 0;
}

.legal {
  border-top: 1px solid rgba(11, 95, 83, 0.14);
}

.legal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.legal-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 10px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-mark {
  width: 52px;
  height: 52px;
}

.small {
  color: var(--muted);
}

.small a {
  color: var(--brand-dark);
  text-decoration: none;
}

.small a:hover {
  text-decoration: underline;
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 80px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(12, 107, 93, 0.35);
  background: rgba(15, 42, 42, 0.94);
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--brand-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 940px) {
  .nav {
    position: absolute;
    right: 4vw;
    top: 86px;
    transform: none;
    width: min(390px, 92vw);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    box-shadow: var(--shadow);
  }

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

  .nav.open {
    display: flex;
  }

  .nav .btn-nav {
    margin-left: 0;
  }

  .nav-dropdown {
    width: 100%;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .nav-dropdown-toggle {
    width: 100%;
    text-align: left;
    padding: 4px 0;
  }

  .nav-submenu {
    position: static;
    min-width: 0;
    border-radius: 10px;
    box-shadow: none;
    margin-top: 6px;
  }

  .nav-dropdown:hover .nav-submenu,
  .nav-dropdown:focus-within .nav-submenu {
    display: none;
  }

  .nav-dropdown.open .nav-submenu {
    display: grid;
    gap: 4px;
  }

  .hero-grid,
  .region-grid,
  .contact-grid,
  .legal-grid,
  .cards-3,
  .cards-4,
  .timeline,
  .calculator-grid,
  .calc-layout,
  .cards-2,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    min-height: 86px;
  }

  .logo > span {
    display: none;
  }

  .logo-mark {
    width: 120px;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 34px 0;
  }

  .hero {
    padding: 48px 0 28px;
  }

  .city-links a {
    width: 100%;
    text-align: center;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .calc-kpi-value {
    font-size: clamp(1.55rem, 8vw, 2rem);
  }

  .to-top {
    right: 14px;
    bottom: 14px;
    width: 40px;
    height: 40px;
  }
}