/* =========================================================
   K-TERM 2026 — Prototype styles (v4)
   Brand-aligned: blue primary from logo + glass-layer DNA
   Combines v2 industrial detail + v3 friendly partner focus
   ========================================================= */

:root {
  /* Brand palette — lifted from logo */
  --k-blue:        #0E7FB8;   /* primary cyan-blue (logo base) */
  --k-blue-deep:   #085480;   /* deeper saturated */
  --k-blue-dark:   #0A3D74;   /* dark navy-blue */
  --k-blue-ink:    #062A4F;   /* near-black blue for text */
  --k-blue-soft:   #E8F3FA;   /* soft pale tint bg */
  --k-blue-tint:   #D0E7F2;   /* border/tint */
  --k-glass-light: #C8E0EB;   /* transparent sheet color */
  --k-glass-mid:   #3FA0CC;   /* mid glass */

  --k-paper:       #F8FAFC;   /* warm paper bg */
  --k-paper-deep:  #F1F4F7;
  --k-border:      #E4E7EA;
  --k-border-soft: #EDEFF2;
  --k-ink:         #062A4F;
  --k-ink-soft:    #3D4551;
  --k-muted:       #6B7280;

  --k-success:     #16A34A;
  --k-success-bg:  #E7F3EA;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 132px; }
body {
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1F2328;
  background: #F8FAFC;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: "Inter Tight", "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: -0.022em;
  margin: 0;
  color: #062A4F;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; padding: 0; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
img { max-width: 100%; display: block; }

.mono, .num { font-family: "JetBrains Mono", ui-monospace, monospace; font-feature-settings: "tnum"; }
.caption {
  font-family: "Inter", sans-serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #085480;
  font-weight: 600;
}

.container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ========== Top bar ========== */
.topbar {
  background: #062A4F;
  color: #fff;
  font-size: 13px;
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 38px;
  color: rgba(255,255,255,0.8);
}
.topbar-inner a { color: #fff; font-weight: 500; }
.topbar-inner a:hover { color: #3FA0CC; }
.topbar-inner .sep { opacity: 0.3; margin: 0 12px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0; }

/* ========== Nav ========== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid #E4E7EA;
  backdrop-filter: saturate(140%);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px;
}
.nav-logo {
  display: flex; align-items: center; gap: 14px;
  line-height: 1;
  color: #062A4F;
}
.nav-logo .logo-img {
  height: 48px;
  width: auto;
  display: block;
}
.nav-logo .meta {
  font-size: 12px;
  font-weight: 500;
  color: var(--k-muted);
  padding-left: 14px;
  border-left: 1px solid #C8CFD6;
  font-family: "Inter", sans-serif;
  letter-spacing: 0;
  line-height: 1.3;
  white-space: nowrap;
}
@media (max-width: 1400px) {
  .nav-logo .meta { display: none; }
}
.nav-links { display: flex; gap: 28px; font-size: 15px; font-weight: 500; white-space: nowrap; }
.nav-links a {
  color: #3D4551;
  white-space: nowrap;
  transition: color 150ms;
  padding: 6px 0;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: #062A4F; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px; width: 100%; height: 2px;
  background: #0E7FB8;
  border-radius: 2px;
}
.nav-actions { display: flex; gap: 10px; align-items: center; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  letter-spacing: -0.01em;
  transition: all 180ms cubic-bezier(0.2,0,0,1);
  border: 1.5px solid transparent;
  min-height: 48px;
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary { background: #0E7FB8; color: #fff; }
.btn-primary:hover { background: #085480; transform: translateY(-1px); box-shadow: 0 8px 20px -8px rgba(14,127,184,0.5); }
.btn-secondary { background: #fff; color: #062A4F; border-color: #C8CFD6; }
.btn-secondary:hover { border-color: #062A4F; background: #F8FAFC; }
.btn-dark { background: #062A4F; color: #fff; }
.btn-dark:hover { background: #0A3D74; transform: translateY(-1px); }
.btn-ghost-light { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.25); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.5); }
.btn-sm { padding: 10px 14px; font-size: 13px; min-height: 38px; border-radius: 6px; }

/* ========== Hero ========== */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 900px 600px at 85% 10%, rgba(63,160,204,0.2), transparent 60%),
    radial-gradient(ellipse 700px 500px at 10% 90%, rgba(14,77,146,0.08), transparent 60%),
    #F8FAFC;
  overflow: hidden;
  padding: 72px 0 96px;
  border-bottom: 1px solid #E4E7EA;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 10px;
  border-radius: 100px;
  background: #fff;
  border: 1px solid #E4E7EA;
  font-size: 13px;
  font-weight: 600;
  color: #085480;
  margin-bottom: 28px;
  box-shadow: 0 1px 3px rgba(6,42,79,0.04);
}
.hero-eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: #16A34A;
  box-shadow: 0 0 0 0 rgba(22,163,74,0.5);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74,0.5); }
  70% { box-shadow: 0 0 0 8px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
.hero h1 {
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 28px;
  color: #062A4F;
}
.hero h1 em {
  font-style: normal;
  color: #0E7FB8;
  background: linear-gradient(100deg, #0E7FB8 0%, #3FA0CC 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: #3D4551;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-quick {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid #E4E7EA;
}
.hero-quick .q-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #3D4551; }
.hero-quick .q-item .tick {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #E7F3EA;
  color: #16A34A;
  display: grid; place-items: center;
  flex-shrink: 0;
}

/* Hero card — visualizer teaser */
/* Hero configurator teaser card */
.hero-cfg-card {
  display: block;
  position: relative;
  max-width: 520px;
  margin-left: auto;
  background: linear-gradient(165deg, #fff 0%, #F7FBFD 100%);
  border-radius: 18px;
  border: 1px solid #E4E7EA;
  box-shadow: 0 30px 60px -30px rgba(6,42,79,0.22);
  padding: 26px 28px;
  text-decoration: none;
  color: inherit;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  overflow: hidden;
}
.hero-cfg-card::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(14,127,184,0.1), transparent 70%);
  pointer-events: none;
}
.hero-cfg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 36px 70px -28px rgba(14,127,184,0.32);
  border-color: #B6D5E8;
}
.hcc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.hcc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Inter Tight", sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: #062A4F;
  letter-spacing: -0.014em;
}
.hcc-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #16A34A;
  box-shadow: 0 0 0 4px rgba(22,163,74,0.15);
}
.hcc-count {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #0E7FB8;
  background: #F0F7FB;
  border: 1px solid #B6D5E8;
  padding: 4px 10px;
  border-radius: 999px;
}
.hcc-lead {
  font-size: 14px;
  color: #3D4551;
  line-height: 1.5;
  margin: 0 0 16px;
}
.hcc-lead strong { color: #062A4F; }
.hcc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.hcc-row {
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 10px;
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  transition: border-color 150ms ease;
}
.hero-cfg-card:hover .hcc-row { border-color: #D0E7F2; }
.hcc-row-main {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hcc-row-main code {
  font-family: "JetBrains Mono", monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: #062A4F;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hcc-tag {
  flex-shrink: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  background: #E2E8F0;
  color: #062A4F;
}
.hcc-tag-acoustic { background: #FFE7D6; color: #C45A1F; }
.hcc-tag-solar { background: #FFF7E6; color: #D97706; }
.hcc-row-specs {
  display: flex;
  gap: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: #6B7280;
}
.hcc-row-specs b {
  color: #062A4F;
  font-weight: 700;
  font-size: 12.5px;
}
.hcc-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.hcc-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0E7FB8;
  color: #fff;
  font-weight: 700;
  font-size: 14.5px;
  padding: 12px 18px;
  border-radius: 9px;
  transition: background 150ms ease;
}
.hero-cfg-card:hover .hcc-cta-btn { background: #085480; }
.hcc-cta-note {
  font-size: 11.5px;
  color: #6B7280;
}

/* legacy hv-visual (kept for safety, unused) */
.hero-visual {
  position: relative;
  max-width: 520px;
  margin-left: auto;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #E4E7EA;
  box-shadow: 0 30px 60px -30px rgba(6,42,79,0.18);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hv-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.hv-head .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  color: #0E7FB8;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hv-cta-link {
  font-size: 12.5px;
  font-weight: 700;
  color: #062A4F;
  text-decoration: none;
  padding: 5px 12px;
  background: #F0F7FB;
  border: 1px solid #B6D5E8;
  border-radius: 999px;
  transition: all 150ms ease;
  white-space: nowrap;
}
.hv-cta-link:hover {
  background: #0E7FB8;
  color: #fff;
  border-color: #0E7FB8;
}
.hv-stage {
  border-radius: 10px;
  background: linear-gradient(180deg, #FBFCFE 0%, #F0F4F8 100%);
  border: 1px solid var(--k-border);
  padding: 18px 14px 14px;
  overflow: visible;
}
.hv-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.hv-skladba {
  text-align: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: #062A4F;
  font-weight: 600;
  padding: 8px 12px;
  background: #F8FAFC;
  border: 1px solid var(--k-border-soft);
  border-radius: 6px;
  word-break: break-word;
}
.hv-skladba code {
  font-family: inherit;
  background: transparent;
}
.hv-foot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding-top: 4px;
}
.hv-foot .cell {
  text-align: center;
  padding: 6px 4px;
  border-right: 1px solid var(--k-border-soft);
}
.hv-foot .cell:last-child { border-right: none; }
.hv-foot .cell .k {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: #6B7280;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 4px;
}
.hv-foot .cell .v {
  font-family: "Inter Tight", sans-serif;
  font-size: 19px;
  color: #062A4F;
  font-weight: 800;
  letter-spacing: -0.018em;
  line-height: 1;
}
.hv-foot .cell .v .u {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: #6B7280;
  font-weight: 500;
  margin-left: 3px;
  letter-spacing: 0.04em;
}

@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { margin: 0 auto; }
}


.hv-stage .hv-mark {
  position: absolute;
  right: -30px; bottom: -40px;
  width: 70%;
  max-width: 340px;
  opacity: 0.08;
  filter: brightness(0) invert(1);
  pointer-events: none;
  z-index: 0;
}
.hv-glass-wrap { position: relative; z-index: 1; }

/* Decorative glass-layer marker used as section accent */
.glass-mark {
  width: 44px; height: 44px;
  background-image: url('assets/logo-mark.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}

/* ========== Trust strip ========== */
.trust {
  background: #fff;
  border-bottom: 1px solid #E4E7EA;
  padding: 24px 0;
}
.trust-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-label {
  font-size: 13px;
  color: #6B7280;
  font-weight: 500;
}
.trust-items {
  display: flex; gap: 36px; flex-wrap: wrap;
}
.trust-items .item {
  font-family: "Inter Tight", sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: #3D4551;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.trust-items .item .dot { width: 5px; height: 5px; background: #0E7FB8; border-radius: 50%; }

/* Brand logos row (second tier) */
.trust-brands {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed #E4E7EA;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-brand-row {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  filter: grayscale(0.25);
  opacity: 0.9;
  transition: filter 180ms ease, opacity 180ms ease, transform 180ms ease;
}
.brand-logo:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: translateY(-1px);
}
.brand-logo-img {
  height: 26px;
  width: auto;
  display: block;
  object-fit: contain;
}
.brand-logo-img.is-icon { height: 32px; }
.brand-logo-text {
  display: inline-flex;
  align-items: center;
  font-size: 17px;
  line-height: 1;
  white-space: nowrap;
}

/* ========== Channels — 3-way split ========== */
.channels {
  padding: 100px 0;
  background: #F8FAFC;
}
.channels-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.channels-head .caption { margin-bottom: 14px; display: block; }
.channels-head h2 {
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1.05;
  margin-bottom: 18px;
}
.channels-head p {
  font-size: 18px;
  color: #3D4551;
  line-height: 1.55;
}
.channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.channel {
  background: #fff;
  border: 1px solid #E4E7EA;
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  min-height: 440px;
  transition: all 240ms cubic-bezier(0.2,0,0,1);
  position: relative;
  overflow: hidden;
}
.channel:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -24px rgba(6,42,79,0.2);
  border-color: #C8CFD6;
}
.channel.dark {
  background: #062A4F;
  color: #fff;
  border-color: #0A3D74;
}
.channel.dark h3 { color: #fff; }
.channel.dark p { color: rgba(255,255,255,0.75); }
.channel.dark .channel-url { color: #3FA0CC; border-color: rgba(255,255,255,0.15); }
.channel.dark .channel-list li { color: rgba(255,255,255,0.85); }
.channel.dark .channel-list li::before { color: #3FA0CC; }
.channel-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: #F6EDDE;
  color: #0E7FB8;
  display: grid; place-items: center;
  margin-bottom: 24px;
}
.channel.dark .channel-icon { background: rgba(63,160,204,0.18); color: #3FA0CC; }
.channel.accent .channel-icon { background: #E8F3FA; color: #085480; }
.channel-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6B7280;
  margin-bottom: 10px;
}
.channel.dark .channel-tag { color: rgba(255,255,255,0.5); }
.channel h3 {
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.channel p {
  color: #3D4551;
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 20px;
}
.channel-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.channel-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: #3D4551;
  line-height: 1.5;
}
.channel-list li::before {
  content: "✓";
  color: #16A34A;
  font-weight: 700;
  flex-shrink: 0;
  width: 18px;
}
.channel-cta {
  margin-top: auto;
}
.channel-url {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: #6B7280;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed #E4E7EA;
  letter-spacing: 0.02em;
}
@media (max-width: 1000px) {
  .channels-grid { grid-template-columns: 1fr; }
  .channel { min-height: auto; }
}

/* ========== Stats ========== */
.stats-section {
  background: #062A4F;
  color: #fff;
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat {
  padding: 12px 0;
}
.stat .num {
  font-family: "Inter Tight", sans-serif;
  font-size: clamp(44px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: #fff;
  margin-bottom: 8px;
}
.stat .num .unit { font-size: 16px; color: #3FA0CC; font-weight: 500; margin-left: 6px; letter-spacing: 0; }
.stat .label { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.4; }
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ========== Section scaffolding ========== */
.section {
  padding: clamp(80px, 9vw, 120px) 0;
  position: relative;
}
.section-head {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(32px, 6vw, 80px);
  margin-bottom: 56px;
  align-items: flex-end;
}
.section-head .caption { margin-bottom: 14px; display: block; }
.section-head h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  max-width: 780px;
}
.section-head .aside {
  max-width: 400px;
  color: #3D4551;
  font-size: 16px;
  line-height: 1.6;
  padding-bottom: 6px;
}
@media (max-width: 900px) {
  .section-head { grid-template-columns: 1fr; gap: 20px; }
}

/* ========== Products ========== */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .products { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px)  { .products { grid-template-columns: 1fr; } }
.product-card {
  background: #fff;
  border: 1px solid #E4E7EA;
  border-radius: 16px;
  padding: 36px;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  min-height: 560px;
  transition: all 240ms;
}
.product-card:hover { border-color: #C8CFD6; box-shadow: 0 20px 40px -20px rgba(6,42,79,0.15); }
.product-card .tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #085480;
  background: #E8F3FA;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
  align-self: start;
  justify-self: start;
}
.product-card h3 {
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -0.025em;
}
.product-card .desc {
  color: #3D4551;
  font-size: 15.5px;
  line-height: 1.55;
  margin-bottom: 28px;
}
.product-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px;
  background: #F8FAFC;
  border-radius: 10px;
  margin-bottom: 20px;
}
.product-specs > div { padding-right: 12px; border-right: 1px solid #E4E7EA; }
.product-specs > div:last-child { border-right: none; }
.product-specs .k {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #6B7280;
  text-transform: uppercase;
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.product-specs .v {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: #062A4F;
  font-weight: 600;
}
.product-visual {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #F8FAFC, #F1F4F7);
  border-radius: 10px;
  margin-bottom: 20px;
  overflow: hidden;
}
.product-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid #E4E7EA;
}
.product-footer a {
  font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 8px;
  color: #062A4F;
}
.product-footer a:hover { color: #0E7FB8; }
.product-footer a .arrow { transition: transform 180ms; }
.product-card:hover .arrow { transform: translateX(4px); }
@media (max-width: 900px) { .products { grid-template-columns: 1fr; } }

/* ========== Visualizer section ========== */
.viz-section {
  background: linear-gradient(180deg, #F8FAFC, #F1F4F7);
  padding: clamp(80px, 9vw, 120px) 0;
  border-top: 1px solid #E4E7EA;
  border-bottom: 1px solid #E4E7EA;
}

.viz-shell {
  background: #fff;
  border: 1px solid #E4E7EA;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(6,42,79,0.15);
}
.viz-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid #E4E7EA;
  background: #F8FAFC;
  font-size: 13px;
  color: #3D4551;
}
.viz-toolbar .dots { display: flex; gap: 6px; align-items: center; }
.viz-toolbar .dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: #C8CFD6;
}
.viz-toolbar .title { font-weight: 600; color: #062A4F; }
.viz-toolbar .live { display: inline-flex; align-items: center; gap: 8px; color: #16A34A; font-weight: 600; font-size: 12px; }
.viz-toolbar .live::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: #16A34A;
  animation: pulse 2.4s infinite;
}

.viz-layout {
  display: grid;
  grid-template-columns: 280px 1fr 300px;
  min-height: 560px;
}
.viz-controls {
  padding: 28px 24px;
  border-right: 1px solid #E4E7EA;
  background: #F8FAFC;
}
.viz-controls h4 {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6B7280;
}
.viz-controls .group { margin-bottom: 28px; }
.opt-row { display: flex; flex-direction: column; gap: 8px; }
.opt-row button {
  padding: 14px 14px;
  background: #fff;
  color: #1F2328;
  border: 1.5px solid #E4E7EA;
  border-radius: 10px;
  font-size: 14px;
  text-align: left;
  transition: all 160ms;
  display: flex; justify-content: space-between; align-items: center;
  line-height: 1.3;
}
.opt-row button:hover {
  border-color: #C8CFD6;
  background: #F8FAFC;
}
.opt-row button.active {
  background: #062A4F;
  color: #fff;
  border-color: #062A4F;
}
.opt-row button .code {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  opacity: 0.55;
  margin-top: 4px;
  display: block;
  font-weight: 400;
}
.opt-row button.active .code { color: #3FA0CC; opacity: 1; }

.viz-toggle {
  display: flex;
  margin-top: 8px;
  background: #fff;
  border: 1.5px solid #E4E7EA;
  border-radius: 10px;
  overflow: hidden;
  padding: 3px;
  gap: 3px;
}
.viz-toggle button {
  flex: 1;
  padding: 9px 8px;
  font-size: 12px;
  font-weight: 600;
  color: #6B7280;
  background: transparent;
  border-radius: 7px;
  transition: all 160ms;
}
.viz-toggle button.active { background: #062A4F; color: #fff; }

.viz-stage {
  position: relative;
  overflow: hidden;
  perspective: 2200px;
  cursor: grab;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(59,130,196,0.08), transparent 70%),
    linear-gradient(160deg, #062A4F 0%, #0A3D74 100%);
}
.viz-stage::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0 1px, transparent 1px 60px);
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
}
.viz-stage::after {
  content: "Táhněte pro otáčení";
  position: absolute;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  pointer-events: none;
  white-space: nowrap;
  font-weight: 500;
}
.viz-stage.dragging { cursor: grabbing; }

.viz-scene-wrap {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 340px; height: 420px;
}
.viz-scene {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
}

.pane {
  position: absolute;
  top: 50%; left: 50%;
  width: 280px; height: 360px;
  margin-left: -140px;
  margin-top: -180px;
  transform-style: preserve-3d;
  background:
    linear-gradient(115deg, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.04) 40%, rgba(255,255,255,0) 70%),
    linear-gradient(180deg, rgba(180,210,225,0.38), rgba(140,180,200,0.22));
  border: 1px solid rgba(200,220,230,0.5);
  box-shadow:
    inset 0 0 80px rgba(255,255,255,0.18),
    0 0 40px rgba(59,130,196,0.08);
}
.pane.lowE {
  background:
    linear-gradient(115deg, rgba(130,180,210,0.3) 0%, rgba(80,140,180,0.1) 50%, rgba(40,80,120,0.02) 100%),
    linear-gradient(180deg, rgba(130,180,210,0.44), rgba(100,160,200,0.28));
  border-color: rgba(130,180,210,0.55);
  box-shadow: inset 0 0 80px rgba(130,180,210,0.3), 0 0 40px rgba(59,130,196,0.12);
}
.pane.pvb {
  background:
    linear-gradient(115deg, rgba(255,240,180,0.3) 0%, rgba(255,200,100,0.15) 50%, rgba(255,180,60,0.08) 100%),
    linear-gradient(180deg, rgba(255,220,130,0.42), rgba(240,190,90,0.25));
  border-color: rgba(255,210,120,0.5);
}
.pane.pvb::after {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 2px, rgba(255,255,255,0.08) 2px 3px);
}

.spacer-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 280px; height: 360px;
  margin-left: -140px;
  margin-top: -180px;
  border: 1px dashed rgba(255,255,255,0.2);
  background: repeating-linear-gradient(45deg, transparent 0 8px, rgba(255,255,255,0.03) 8px 9px);
  pointer-events: none;
}

.callout {
  position: absolute;
  top: 50%; left: 50%;
  white-space: nowrap;
  font-size: 11px;
  color: rgba(255,255,255,0.75);
  pointer-events: none;
  font-weight: 500;
}
.callout::before {
  content: "";
  position: absolute;
  left: -20px; top: 50%;
  width: 16px; height: 1px;
  background: rgba(255,255,255,0.3);
}
.callout .lbl {
  background: rgba(6,42,79,0.92);
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  backdrop-filter: blur(6px);
}
.callout .lbl.blue { border-color: rgba(59,130,196,0.5); color: #9BC1E4; }
.callout .lbl.yellow { border-color: rgba(255,210,120,0.5); color: #FFDC82; }

.viz-readout {
  padding: 28px 24px;
  border-left: 1px solid #E4E7EA;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.readout-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6B7280;
  margin-bottom: 12px;
}
.readout-code {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  font-weight: 600;
  color: #062A4F;
  margin-bottom: 24px;
  padding: 14px 16px;
  background: #F8FAFC;
  border: 1px solid #E4E7EA;
  border-radius: 8px;
  letter-spacing: -0.005em;
}
.spec-list { display: flex; flex-direction: column; }
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid #F1F4F7;
}
.spec-row:last-child { border-bottom: none; }
.spec-row .label { font-size: 13px; color: #3D4551; font-weight: 500; }
.spec-row .label .hint { font-size: 11px; color: #9AA0A8; font-weight: 400; display: block; margin-top: 1px; }
.spec-row .value {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: #062A4F;
  font-weight: 700;
}
.viz-actions {
  margin-top: auto;
  padding-top: 20px;
}
.viz-actions .btn { width: 100%; }

@media (max-width: 1100px) {
  .viz-layout { grid-template-columns: 1fr; }
  .viz-controls { border-right: none; border-bottom: 1px solid #E4E7EA; }
  .viz-readout { border-left: none; border-top: 1px solid #E4E7EA; }
  .viz-stage { min-height: 460px; }
}

/* ========== Portal leaflet-style section ========== */
.portal-section {
  background: #062A4F;
  color: #fff;
  padding: clamp(80px, 9vw, 120px) 0;
  position: relative;
  overflow: hidden;
}
.portal-section::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 500px at 80% 10%, rgba(63,160,204,0.18), transparent 60%),
    radial-gradient(ellipse 700px 500px at 10% 90%, rgba(59,130,196,0.12), transparent 60%);
  pointer-events: none;
}
.portal-wrap { position: relative; z-index: 1; }

.portal-head {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  align-items: flex-end;
}
.portal-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 10px;
  background: rgba(63,160,204,0.18);
  border: 1px solid rgba(63,160,204,0.35);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #3FA0CC;
  margin-bottom: 24px;
}
.portal-head h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.02;
  color: #fff;
  letter-spacing: -0.03em;
}
.portal-head h2 em { font-style: normal; color: #3FA0CC; }
.portal-head .aside {
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.55;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.portal-tile {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 22px;
  transition: all 200ms;
}
.portal-tile:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(63,160,204,0.35);
  transform: translateY(-2px);
}
.portal-tile-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(63,160,204,0.2);
  color: #3FA0CC;
  display: grid; place-items: center;
  margin-bottom: 16px;
}
.portal-tile h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.portal-tile p {
  font-size: 13.5px;
  color: rgba(255,255,255,0.65);
  line-height: 1.45;
}
@media (max-width: 1000px) { .portal-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .portal-grid { grid-template-columns: 1fr; } }

.portal-steps {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 36px;
  margin-bottom: 36px;
}
.portal-steps-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}
.portal-steps-head h3 {
  color: #fff;
  font-size: 24px;
  letter-spacing: -0.02em;
}
.portal-steps-head p { color: rgba(255,255,255,0.6); font-size: 15px; }
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  padding: 20px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: rgba(63,160,204,0.6);
  font-weight: 600;
  z-index: 2;
}
.step-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #3FA0CC;
  color: #062A4F;
  display: grid; place-items: center;
  font-weight: 800;
  font-size: 14px;
}
.step h5 { font-size: 15px; color: #fff; letter-spacing: -0.01em; margin-bottom: 4px; }
.step p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.5; }
@media (max-width: 900px) {
  .steps-row { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2)::after { display: none; }
}
@media (max-width: 500px) {
  .steps-row { grid-template-columns: 1fr; }
  .step::after { display: none !important; }
}

.portal-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 32px 36px;
}
.portal-footer .left h4 {
  font-size: 22px; color: #fff;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.portal-footer .left p { color: rgba(255,255,255,0.65); font-size: 15px; }
.portal-footer .right {
  display: flex; gap: 12px; justify-content: flex-end;
  flex-wrap: wrap;
}
@media (max-width: 800px) {
  .portal-footer { grid-template-columns: 1fr; }
  .portal-footer .right { justify-content: flex-start; }
}

/* ========== Process ========== */
.process {
  background: #fff;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.process-step {
  background: #F8FAFC;
  border: 1px solid #E4E7EA;
  border-radius: 12px;
  padding: 28px;
  transition: all 200ms;
}
.process-step:hover { border-color: #C8CFD6; background: #fff; }
.process-step .num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #0E7FB8;
  margin-bottom: 18px;
}
.process-step h4 {
  font-size: 20px;
  line-height: 1.2;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.process-step p {
  color: #3D4551;
  font-size: 14.5px;
  line-height: 1.55;
  margin-bottom: 16px;
}
.process-step .tech {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: #6B7280;
  padding-top: 12px;
  border-top: 1px dashed #C8CFD6;
  letter-spacing: 0.02em;
}
@media (max-width: 900px) { .process-grid { grid-template-columns: 1fr 1fr; } }

/* ========== References ========== */
.refs-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 28px;
}
.refs-filters button {
  padding: 9px 16px;
  border: 1.5px solid #E4E7EA;
  background: #fff;
  border-radius: 100px;
  font-size: 14px;
  color: #3D4551;
  font-weight: 600;
  transition: all 160ms;
}
.refs-filters button:hover { border-color: #C8CFD6; }
.refs-filters button.active {
  background: #062A4F; color: #fff; border-color: #062A4F;
}
.refs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 300px;
  gap: 16px;
}
@media (max-width: 900px) { .refs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .refs-grid { grid-template-columns: 1fr; } }
.ref-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 14px;
  border: 1px solid #E4E7EA;
  display: block;
  text-decoration: none;
}
.ref-img {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-color: #0A3D74;
  transition: transform 600ms cubic-bezier(0.2,0,0,1);
}
.ref-card:hover .ref-img { transform: scale(1.05); }
.ref-img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,11,12,0.92) 100%);
}
.ref-index {
  position: absolute; top: 20px; left: 20px; z-index: 2;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}
.ref-body {
  position: absolute;
  left: 24px; right: 24px; bottom: 22px;
  color: #fff;
  z-index: 3;
}
.ref-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.ref-tag {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  border-radius: 100px;
}
.ref-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
  line-height: 1.2;
}
.ref-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.ref-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.ref-card:hover .ref-link { opacity: 1; transform: translateY(0); }
.ref-card:hover { border-color: #0E7FB8; }

/* ========== Inquiry ========== */
.inquiry-section {
  background: linear-gradient(180deg, #F8FAFC, #F1F4F7);
  padding: clamp(80px, 9vw, 120px) 0;
}
.inquiry-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: flex-start;
}
.inquiry-wrap h2 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.inquiry-wrap h2 em { font-style: normal; color: #0E7FB8; }
.inquiry-lead {
  color: #3D4551;
  margin-bottom: 36px;
  font-size: 17px;
  line-height: 1.6;
}
.inquiry-contacts {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 36px;
}
.inquiry-notes {
  padding-top: 28px;
  border-top: 1px solid #E4E7EA;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.inquiry-notes .note .k {
  font-size: 11px;
  font-weight: 700;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  display: block;
}
.inquiry-notes .note .v { font-size: 15px; color: #062A4F; line-height: 1.5; font-weight: 500; }
.inquiry-notes .note .v a { color: #0E7FB8; }

.inquiry-box {
  background: #fff;
  border: 1px solid #E4E7EA;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(6,42,79,0.18);
}
.inquiry-steps {
  padding: 16px 24px;
  border-bottom: 1px solid #E4E7EA;
  display: flex;
  gap: 8px;
  align-items: center;
  background: #F8FAFC;
  flex-wrap: wrap;
}
.inquiry-steps .step-pill {
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid #E4E7EA;
  color: #6B7280;
  background: #fff;
}
.inquiry-steps .step-pill.active { background: #062A4F; color: #fff; border-color: #062A4F; }
.inquiry-steps .step-pill.done { background: #E7F3EA; color: #16A34A; border-color: #C6E6CE; }

.inquiry-body { padding: 28px; }
.inquiry-body .field { margin-bottom: 16px; }
.inquiry-body label {
  display: block;
  font-size: 12px;
  color: #6B7280;
  margin-bottom: 6px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.inquiry-body input, .inquiry-body select, .inquiry-body textarea {
  width: 100%;
  padding: 12px 14px;
  background: #F8FAFC;
  border: 1.5px solid #E4E7EA;
  border-radius: 8px;
  color: #062A4F;
  font-size: 14.5px;
  transition: all 160ms;
}
.inquiry-body input:focus, .inquiry-body select:focus, .inquiry-body textarea:focus {
  outline: none;
  border-color: #085480;
  background: #fff;
}
.inquiry-body .row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.inquiry-body .line-item {
  padding: 20px;
  border: 1.5px solid #E4E7EA;
  border-radius: 10px;
  margin-bottom: 10px;
  background: #F8FAFC;
}
.inquiry-body .line-item-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
  font-size: 12px;
  color: #6B7280;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.inquiry-body .line-item-head .del {
  color: #9AA0A8;
  font-size: 20px;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
  font-weight: 400;
}
.inquiry-body .line-item-head .del:hover { color: #0E7FB8; }
.inquiry-body .add-line {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1.5px dashed #C8CFD6;
  color: #6B7280;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 160ms;
  margin-top: 4px;
  cursor: pointer;
}
.inquiry-body .add-line:hover {
  border-color: #062A4F;
  color: #062A4F;
  background: #F8FAFC;
}
.inquiry-body .submit {
  width: 100%;
  margin-top: 18px;
  padding: 16px;
  background: #0E7FB8;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: 10px;
  transition: all 160ms;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.inquiry-body .submit:hover { background: #085480; transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(14,127,184,0.5); }
.inquiry-body .summary {
  margin-top: 14px;
  padding: 14px 16px;
  background: #E8F3FA;
  border-radius: 8px;
  font-size: 13px;
  color: #085480;
  display: flex;
  justify-content: space-between;
  font-weight: 500;
}
.inquiry-body .summary strong { color: #062A4F; font-weight: 700; }
.inquiry-body textarea { resize: vertical; min-height: 90px; font-family: inherit; line-height: 1.5; }
.inquiry-body .req { color: #D97706; font-weight: 700; }

/* Optional (composition + dimensions) block */
.inquiry-optional {
  margin-top: 6px;
  padding: 16px;
  background: #F8FAFC;
  border: 1px dashed var(--k-border);
  border-radius: 10px;
}
.inquiry-optional-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6B7280;
  font-weight: 700;
  margin-bottom: 14px;
}
.inquiry-cfg-link {
  font-family: "Inter", sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  color: #0E7FB8;
  text-decoration: none;
  text-transform: none;
  letter-spacing: 0;
}
.inquiry-cfg-link:hover { text-decoration: underline; }
.inquiry-form-note {
  font-size: 11.5px;
  color: #6B7280;
  margin: 10px 0 0;
  text-align: center;
  line-height: 1.45;
}

/* Sent confirmation */
.inquiry-sent { padding: 40px 28px; text-align: center; }
.inquiry-sent-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  background: #16A34A;
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px -4px rgba(22,163,74,0.4);
}
.inquiry-sent-icon svg { width: 28px; height: 28px; }
.inquiry-sent h3 { font-size: 19px; color: #062A4F; margin: 0 0 8px; }
.inquiry-sent p { font-size: 14px; color: #3D4551; line-height: 1.55; margin: 0 0 18px; }
.inquiry-sent a { color: #0E7FB8; font-weight: 600; }

@media (max-width: 900px) { .inquiry-wrap { grid-template-columns: 1fr; gap: 40px; } }

/* ========== Footer ========== */
.footer {
  background: #062A4F;
  color: #fff;
  padding: 80px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer h5 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer ul a, .footer ul li { font-size: 14.5px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.footer ul a:hover { color: #3FA0CC; }
.footer-brand .nav-logo { margin-bottom: 22px; color: #fff; }
.footer-brand .nav-logo .logo-img { height: 56px; filter: brightness(0) invert(1); opacity: 0.92; }
.footer-brand .nav-logo .meta { color: rgba(255,255,255,0.55); border-color: rgba(255,255,255,0.18); }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 14.5px; max-width: 340px; line-height: 1.55; margin-bottom: 20px; }
.footer-certs { display: flex; gap: 8px; flex-wrap: wrap; }
.footer-certs span {
  padding: 5px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  border-radius: 6px;
  font-weight: 500;
}
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom .signature { color: rgba(255,255,255,0.7); }
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ========== Nav mobile ========== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-logo .meta { display: none; }
  .topbar { display: none; }
  .nav-actions .btn-secondary { display: none; }
}

/* ========== Tweaks panel ========== */
.tweaks-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 280px;
  background: #fff;
  border: 1px solid #E4E7EA;
  box-shadow: 0 24px 48px -12px rgba(0,0,0,0.25);
  z-index: 100;
  border-radius: 12px;
  font-size: 13px;
  display: none;
}
.tweaks-panel.open { display: block; }
.tweaks-head {
  padding: 14px 16px;
  border-bottom: 1px solid #E4E7EA;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #062A4F;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tweaks-body { padding: 16px; }
.tweak-row { margin-bottom: 14px; }
.tweak-row label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: #6B7280;
  margin-bottom: 8px;
}
.tweak-row .swatches { display: flex; gap: 6px; }
.swatch {
  width: 28px; height: 28px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid #E4E7EA;
  transition: border-color 120ms;
}
.swatch.active { border-color: #062A4F; }

/* ========== Reveal ========== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 700ms cubic-bezier(0.2,0,0,1), transform 700ms cubic-bezier(0.2,0,0,1);
  }
  .reveal.in { opacity: 1; transform: translateY(0); }
}
section, .kontakt-section, .footer { scroll-margin-top: 132px; }


/* ========== Technology section ========== */
.tech-section {
  background: linear-gradient(180deg, #062A4F 0%, #0A3D74 100%);
  color: #fff;
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}
.tech-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(63,160,204,0.18), transparent 40%),
    radial-gradient(circle at 88% 80%, rgba(14,127,184,0.18), transparent 40%);
  pointer-events: none;
}
.tech-section .container { position: relative; z-index: 1; }
.tech-section .section-head h2 { color: #fff; }
.tech-section .section-head h2 em {
  font-style: normal;
  background: linear-gradient(100deg, #7AC4E5 0%, #C8E0EB 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tech-section .section-head .caption { color: rgba(255,255,255,0.55); }
.tech-section .section-head .aside { color: rgba(255,255,255,0.7); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 56px;
}
@media (max-width: 1024px) {
  .tech-grid { grid-template-columns: 1fr; }
}

.tech-card {
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 28px 26px 22px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}
.tech-card:hover {
  transform: translateY(-3px);
  border-color: rgba(122,196,229,0.5);
  background: rgba(255,255,255,0.07);
}
.tech-card--highlight {
  background: linear-gradient(180deg, rgba(22,163,74,0.16) 0%, rgba(255,255,255,0.04) 60%);
  border-color: rgba(22,163,74,0.4);
}
.tech-card--highlight::after {
  content: 'V CENĚ';
  position: absolute;
  top: 14px; right: 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  background: #16A34A;
  color: #fff;
  border-radius: 4px;
}

.tech-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}
.tech-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tech-brand .brand-mark {
  font-family: "Inter Tight", sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: #7AC4E5;
}
.tech-brand .brand-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}
.tech-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.06em;
}

.tech-card h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.018em;
  margin: 0 0 12px;
  line-height: 1.25;
}
.tech-lead {
  color: rgba(255,255,255,0.78);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0 0 22px;
}

.tech-specs {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.tech-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tech-spec-row dt {
  font-size: 12.5px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.tech-spec-row dd {
  font-size: 13.5px;
  color: #fff;
  font-weight: 600;
  margin: 0;
  text-align: right;
}

.tech-footer {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  color: rgba(122,196,229,0.95);
  font-style: italic;
  line-height: 1.45;
}

.tech-banner {
  margin-top: 36px;
  padding: 22px 28px;
  background: rgba(22,163,74,0.12);
  border: 1px solid rgba(22,163,74,0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.tech-banner > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.tech-banner strong {
  color: #fff;
  font-size: 16.5px;
  font-weight: 700;
}
.tech-banner span {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
}

/* ========== Visualizer readout — badge + clipboard feedback ========== */
.readout-badge {
  display: inline-block;
  margin-left: 10px;
  padding: 3px 8px;
  background: rgba(122,196,229,0.18);
  color: #7AC4E5;
  border: 1px solid rgba(122,196,229,0.4);
  border-radius: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  vertical-align: middle;
}
.readout-code {
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}
.readout-code:hover {
  border-color: rgba(122,196,229,0.5) !important;
  background: rgba(122,196,229,0.06) !important;
}
.readout-code:hover .copy { color: #7AC4E5; }

/* ========== Configurator CTA panel (homepage) ========== */
.cfg-cta-panel {
  margin-top: 48px;
  background: linear-gradient(120deg, #062A4F 0%, #0E7FB8 100%);
  color: #fff;
  border-radius: 18px;
  padding: 40px 44px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 36px;
  align-items: center;
  box-shadow: 0 8px 28px -12px rgba(14,127,184,0.45);
}
@media (max-width: 900px) {
  .cfg-cta-panel { grid-template-columns: 1fr; padding: 28px; gap: 24px; }
}
.cfg-cta-content { display: flex; flex-direction: column; gap: 14px; }
.cfg-cta-content .caption {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #7AC4E5;
  font-weight: 700;
}
.cfg-cta-content h2 {
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.022em;
  font-weight: 800;
  margin: 0;
  line-height: 1.15;
}
.cfg-cta-content h2 em {
  font-style: normal;
  background: linear-gradient(90deg, #C8E0EB 0%, #7AC4E5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cfg-cta-content p {
  color: rgba(255,255,255,0.88);
  font-size: 15.5px;
  line-height: 1.55;
  margin: 0;
}
.cfg-cta-content p strong { color: #fff; }
.cfg-cta-bullets {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}
@media (max-width: 600px) { .cfg-cta-bullets { grid-template-columns: 1fr; } }
.cfg-cta-bullets li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.92);
  font-size: 14px;
}

.cfg-cta-action {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
}
.btn.btn-cta {
  background: #fff;
  color: #062A4F;
  border-color: #fff;
  font-weight: 700;
  font-size: 17px;
  padding: 16px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 10px;
  box-shadow: 0 4px 14px -6px rgba(255,255,255,0.4);
  transition: all 150ms ease;
}
.btn.btn-cta:hover {
  background: #F0F7FB;
  color: #0E7FB8;
  transform: translateY(-2px);
}
.cfg-cta-note {
  display: block;
  font-size: 12.5px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  padding: 12px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
}
.cfg-cta-note strong { color: #fff; }

/* ========== Configurator (replaces 3D visualizer) ========== */
.cfg-section {
  padding: 96px 0 88px;
  background: linear-gradient(180deg, #FBFCFE 0%, #ECEFF3 100%);
  position: relative;
}
.cfg-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 8% 14%, rgba(14,127,184,0.05), transparent 40%),
    radial-gradient(circle at 92% 80%, rgba(8,84,128,0.05), transparent 40%);
  pointer-events: none;
}
.cfg-section .container { position: relative; z-index: 1; }

.cfg-shell {
  margin-top: 48px;
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(6,42,79,0.04);
}

/* Mode tabs */
.cfg-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--k-border);
  background: #F8FAFC;
}
.cfg-tabs button {
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 22px 28px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--k-border);
  position: relative;
  transition: background 180ms ease, color 180ms ease;
  color: #6B7280;
}
.cfg-tabs button:last-child { border-right: none; }
.cfg-tabs button:hover { background: #F0F3F7; }
.cfg-tabs button.active {
  background: #fff;
  color: #062A4F;
}
.cfg-tabs button.active::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #0E7FB8 0%, #085480 100%);
}
.cfg-tab-eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.55;
  font-weight: 600;
}
.cfg-tab-label {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.012em;
  font-family: "Inter Tight", sans-serif;
}
.cfg-tab-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  opacity: 0.65;
}

/* Controls */
.cfg-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px 28px;
  padding: 26px 28px;
  border-bottom: 1px solid var(--k-border);
  background: #FBFCFE;
}
@media (max-width: 800px) {
  .cfg-controls { padding: 20px; gap: 18px; }
}
.cfg-control { display: flex; flex-direction: column; gap: 10px; }
.cfg-control label {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6B7280;
  font-weight: 600;
}
.cfg-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.cfg-pills.cfg-pills--3 { grid-template-columns: repeat(3, 1fr); }
.cfg-pills.cfg-pills--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 720px) {
  .cfg-pills.cfg-pills--3 { grid-template-columns: 1fr; }
  .cfg-pills.cfg-pills--4 { grid-template-columns: repeat(2, 1fr); }
}
.cfg-pills button {
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 8px;
  padding: 12px 14px;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  color: #1F2328;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms ease;
  min-height: 52px;
  justify-content: center;
}
.cfg-pills button:hover {
  border-color: #B6D5E8;
  transform: translateY(-1px);
}
.cfg-pills button.active {
  background: #0E7FB8;
  border-color: #0E7FB8;
  color: #fff;
  box-shadow: 0 2px 6px rgba(14,127,184,0.25);
}
.cfg-pills button .pill-main {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.008em;
}
.cfg-pills button .pill-sub {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  opacity: 0.7;
}
.cfg-pills button.active .pill-sub { opacity: 0.9; }

/* Results */
.cfg-results { padding: 26px 28px 16px; }
@media (max-width: 800px) {
  .cfg-results { padding: 20px; }
}
.cfg-results-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: #6B7280;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--k-border-soft);
}
.cfg-count { font-weight: 600; color: #062A4F; opacity: 0.85; }
.cfg-sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  color: #6B7280;
}
.cfg-sort select {
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #062A4F;
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 6px;
  padding: 5px 26px 5px 10px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23062A4F' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 9px center;
  transition: border-color 150ms ease;
}
.cfg-sort select:hover { border-color: #B6D5E8; }
.cfg-sort select:focus { outline: 2px solid rgba(14,127,184,0.25); outline-offset: 1px; }

/* Checkbox-style toggle for solar control */
.cfg-checks { display: flex; flex-direction: column; gap: 6px; }
.cfg-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 8px;
  cursor: pointer;
  min-height: 52px;
  transition: border-color 150ms ease, background 150ms ease;
}
.cfg-check:hover { border-color: #B6D5E8; }
.cfg-check.on { border-color: #0E7FB8; background: #F0F7FB; }
.cfg-check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.cfg-check-box {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1.5px solid #C7CBD1;
  background: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 2px;
  color: #fff;
  transition: background 150ms ease, border-color 150ms ease;
}
.cfg-check.on .cfg-check-box {
  background: #0E7FB8;
  border-color: #0E7FB8;
}
.cfg-check span strong {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: #062A4F;
  letter-spacing: -0.008em;
  line-height: 1.3;
}
.cfg-check span em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 12px;
  color: #6B7280;
  line-height: 1.45;
}

/* Layer schema (mini visualization) */
.cfg-schema {
  display: flex;
  height: 34px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #D5DCE3;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
}
.cfg-schema-layer {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 4px;
  overflow: hidden;
  border-right: 1px solid rgba(8,84,128,0.08);
}
.cfg-schema-layer:last-child { border-right: none; }
.cfg-schema-layer .schema-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5px;
  color: rgba(6,42,79,0.6);
  white-space: nowrap;
  letter-spacing: 0.02em;
  font-weight: 600;
  padding: 0 2px;
}
.schema-glass   { background: linear-gradient(180deg, #E0EEF5 0%, #C8E0EB 100%); }
.schema-cgp     { background: linear-gradient(180deg, #95C9E0 0%, #5FA6C8 100%); }
.schema-cgp-sc  { background: linear-gradient(180deg, #4B7EA0 0%, #2D5C7E 100%); }
.schema-cgp-sc .schema-label,
.schema-cgp .schema-label { color: rgba(255,255,255,0.92); }
.schema-gap-ar  { background: repeating-linear-gradient(135deg, #F2F4F7 0 5px, #E4E7EA 5px 10px); }
.schema-gap-kr  { background: repeating-linear-gradient(135deg, #EFE9F8 0 5px, #DBCFEF 5px 10px); }
.schema-pvb     { background: repeating-linear-gradient(90deg, #FFE7A6 0 3px, #F4C95E 3px 6px); }
.schema-sf      { background: repeating-linear-gradient(90deg, #FFB880 0 3px, #FA7D2B 3px 6px); }
.schema-sf .schema-label { color: #5A2200; }
.cfg-schema-layer:hover .schema-label { color: rgba(6,42,79,0.95); }
.cfg-empty {
  padding: 28px;
  background: #F8FAFC;
  border: 1px dashed var(--k-border);
  border-radius: 10px;
  text-align: center;
  color: #6B7280;
  font-size: 14.5px;
}
.cfg-empty a { color: #0E7FB8; font-weight: 600; }

.cfg-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 900px) {
  .cfg-list { grid-template-columns: 1fr; }
}

.cfg-card {
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.cfg-card:hover {
  border-color: #B6D5E8;
  box-shadow: 0 6px 14px -8px rgba(14,127,184,0.18);
  transform: translateY(-2px);
}
.cfg-card.has-badge {
  background: linear-gradient(180deg, #F7FBFD 0%, #fff 60%);
  border-color: #B6D5E8;
}

.cfg-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.cfg-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #062A4F;
  letter-spacing: -0.012em;
  line-height: 1.3;
  margin: 0;
}
.cfg-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 8px;
  background: #0E7FB8;
  color: #fff;
  border-radius: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}
.cfg-badge.cfg-badge-guardian {
  background: linear-gradient(90deg, #C45A1F 0%, #A23F0E 100%);
}
.cfg-badge.cfg-badge-solar {
  background: linear-gradient(90deg, #D9A205 0%, #B47F03 100%);
}
.cfg-total {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: "Inter Tight", sans-serif;
  flex-shrink: 0;
}
.cfg-total .t-num {
  font-size: 30px;
  font-weight: 800;
  color: #062A4F;
  line-height: 1;
  letter-spacing: -0.02em;
}
.cfg-total .t-unit {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  color: #6B7280;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
}

.cfg-code {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  background: #0A2540;
  border-radius: 8px;
  font-family: "JetBrains Mono", monospace;
  cursor: pointer;
  transition: background 180ms ease, border 180ms ease;
}
.cfg-code:hover { background: #0E2D50; }
.cfg-code code {
  color: #C8E0EB;
  font-size: 12.5px;
  font-weight: 500;
}
.cfg-code .cfg-copy {
  font-size: 9.5px;
  color: rgba(200, 224, 235, 0.5);
  letter-spacing: 0.14em;
  font-weight: 700;
  flex-shrink: 0;
  margin-left: 12px;
}
.cfg-code:hover .cfg-copy { color: #C8E0EB; }

.cfg-specs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--k-border-soft);
  border-bottom: 1px solid var(--k-border-soft);
}
@media (max-width: 480px) {
  .cfg-specs { grid-template-columns: repeat(3, 1fr); }
}
.cfg-specs .spec {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cfg-specs .spec {
  cursor: help;
}
.cfg-specs .spec .k {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: #6B7280;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.cfg-specs .spec .info-dot {
  display: inline-grid;
  place-items: center;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid #C7CBD1;
  font-family: serif;
  font-style: italic;
  font-size: 9px;
  font-weight: 700;
  color: #6B7280;
  background: #F8FAFC;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1;
  transition: border-color 150ms ease, color 150ms ease;
}
.cfg-specs .spec:hover .info-dot {
  border-color: #0E7FB8;
  color: #0E7FB8;
}
.cfg-specs .spec .v {
  font-weight: 700;
  font-size: 14.5px;
  color: #062A4F;
  letter-spacing: -0.008em;
}
.cfg-specs .spec .v em {
  font-style: normal;
  font-weight: 400;
  font-size: 10.5px;
  color: #6B7280;
  margin-left: 2px;
}
.cfg-specs .spec-primary .v { color: #0E7FB8; }

.cfg-note {
  font-size: 13px;
  color: #6B7280;
  font-style: italic;
  line-height: 1.5;
  margin: 0;
}
.cfg-card-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
}

.cfg-footnote {
  padding: 18px 28px;
  background: #F8FAFC;
  border-top: 1px solid var(--k-border);
  font-size: 13px;
  color: #6B7280;
  line-height: 1.55;
}
.cfg-footnote a { color: #0E7FB8; font-weight: 600; }

/* ========== Kontakt section ========== */
.kontakt-section {
  padding: 96px 0 88px;
  background: linear-gradient(180deg, #F8FAFC 0%, #ECEFF3 100%);
}
.kontakt-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  margin-top: 48px;
  align-items: stretch;
}
@media (max-width: 900px) {
  .kontakt-grid { grid-template-columns: 1fr; }
}

.kontakt-info {
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 14px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  box-shadow: 0 1px 2px rgba(6,42,79,0.05);
}
.ki-block { display: flex; flex-direction: column; gap: 8px; }
.ki-block h4 {
  font-size: 22px;
  letter-spacing: -0.018em;
  color: #062A4F;
  margin: 0 0 4px;
}
.ki-block h5 {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6B7280;
  font-weight: 600;
  margin: 0 0 6px;
}
.ki-addr {
  font-size: 15px;
  color: #1F2328;
  line-height: 1.55;
  margin: 0;
}
.ki-meta {
  display: flex;
  gap: 18px;
  margin: 10px 0 0;
  padding: 0;
}
.ki-meta > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ki-meta dt {
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6B7280;
  margin: 0;
}
.ki-meta dd {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: #062A4F;
  font-weight: 600;
  margin: 0;
}
.ki-hours {
  font-size: 14.5px;
  margin: 0;
  line-height: 1.7;
  color: #1F2328;
}
.ki-hours strong {
  display: inline-block;
  min-width: 60px;
  color: #062A4F;
}
.ki-note {
  margin: 4px 0 0;
  font-size: 13px;
  color: #6B7280;
}
.ki-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #062A4F;
  font-weight: 600;
  text-decoration: none;
  padding: 6px 0;
  font-size: 15px;
  transition: color 150ms ease;
}
.ki-link:hover { color: #0E7FB8; }

.kontakt-map {
  min-height: 420px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--k-border);
  background: #E4E7EA;
  box-shadow: 0 1px 2px rgba(6,42,79,0.05);
}

.kontakt-team { margin-top: 56px; }
.kontakt-team-head {
  font-size: 22px;
  letter-spacing: -0.018em;
  color: #062A4F;
  margin: 0 0 22px;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .team-grid { grid-template-columns: 1fr; }
}

.team-card {
  background: #fff;
  border: 1px solid var(--k-border);
  border-radius: 12px;
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 180ms ease, transform 180ms ease;
}
.team-card:hover {
  border-color: #B6D5E8;
  transform: translateY(-2px);
}
.team-card.is-primary {
  border: 2px solid #0E7FB8;
  background: linear-gradient(180deg, #fff 0%, #F0F7FB 100%);
}
.team-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.team-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0E7FB8 0%, #085480 100%);
  color: #fff;
  font-weight: 700;
  font-family: "Inter Tight", sans-serif;
  font-size: 15px;
  letter-spacing: 0.02em;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.is-primary .team-avatar {
  background: linear-gradient(135deg, #062A4F 0%, #0E7FB8 100%);
}
.team-name {
  font-weight: 700;
  font-size: 15.5px;
  color: #062A4F;
  letter-spacing: -0.012em;
  line-height: 1.2;
}
.team-role {
  font-size: 12.5px;
  color: #6B7280;
  margin-top: 2px;
}
.team-contacts {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 10px;
  border-top: 1px solid var(--k-border-soft);
}
.team-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #062A4F;
  text-decoration: none;
  font-size: 13px;
  font-family: "JetBrains Mono", monospace;
  padding: 3px 0;
  transition: color 150ms ease;
  word-break: break-all;
}
.team-link:hover { color: #0E7FB8; }
.team-link svg { flex-shrink: 0; color: #0E7FB8; opacity: 0.7; }

/* ---------- FAQ ---------- */
.faq-section .faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--k-border);
  border-radius: 12px;
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.faq-item.open {
  border-color: var(--k-blue-tint);
  box-shadow: 0 6px 20px rgba(8, 84, 128, 0.06);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--k-blue-ink);
  line-height: 1.4;
}
.faq-q:hover { color: var(--k-blue-deep); }
.faq-ic {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--k-blue-soft);
  color: var(--k-blue-deep);
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
}
.faq-a {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 280ms ease, opacity 200ms ease;
}
.faq-item.open .faq-a {
  max-height: 320px;
  opacity: 1;
}
.faq-a p {
  margin: 0;
  padding: 0 22px 22px;
  color: #4A5560;
  font-size: 15.5px;
  line-height: 1.7;
}
.faq-section .aside a {
  color: var(--k-blue-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}
@media (max-width: 640px) {
  .faq-q { padding: 16px 16px; font-size: 15.5px; }
  .faq-a p { padding: 0 16px 18px; }
}