/* ============================================================
   CX_cloud — design tokens
   ============================================================ */
:root {
  /* Brand core — extracted from logo */
  --bg-0: #0b0728;           /* deepest navy */
  --bg-1: #110b38;           /* section bg */
  --bg-2: #1a1450;           /* logo navy */
  --bg-3: #211a5f;           /* cards */
  --line: rgba(255,255,255,0.08);
  --line-2: rgba(255,255,255,0.14);

  --pink-1: #ff1f8f;         /* brand pink */
  --pink-2: #ec1e89;
  --pink-3: #f78bc0;         /* lighter pink (logo shadow) */
  --pink-soft: rgba(255,31,143,0.18);

  --ink-0: #ffffff;
  --ink-1: rgba(255,255,255,0.92);
  --ink-2: rgba(255,255,255,0.68);
  --ink-3: rgba(255,255,255,0.46);
  --ink-4: rgba(255,255,255,0.26);

  --good: #38e0a3;

  --font-sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, 'JetBrains Mono', Menlo, monospace;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-glow: 0 0 120px 20px rgba(255,31,143,0.25);
  --container: 1200px;
}

/* ============================================================
   Reset
   ============================================================ */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--ink-1);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; }
p { margin: 0; }
em { font-style: italic; color: var(--pink-1); font-weight: 500; }

/* ============================================================
   Background layers
   ============================================================ */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background:
    linear-gradient(180deg, var(--bg-0) 0%, #0a0624 100%);
}
.bg-grid::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 40%, transparent 80%);
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 900px; height: 900px; border-radius: 50%;
  filter: blur(120px);
  will-change: transform, opacity, filter;
  mix-blend-mode: screen;
  top: 0; left: 0;
}

/* ====== Glow A — magenta, top-left, big dramatic loop ====== */
.glow-a {
  background: radial-gradient(circle, var(--pink-1) 0%, transparent 60%);
  animation: driftA 16s cubic-bezier(.42,0,.58,1) infinite alternate,
             breatheA 5.5s ease-in-out infinite alternate,
             hueA 14s linear infinite;
}

/* ====== Glow B — purple/violet, wandering opposite direction ====== */
.glow-b {
  width: 1100px; height: 1100px;
  background: radial-gradient(circle, #6b3dff 0%, transparent 60%);
  animation: driftB 19s cubic-bezier(.42,0,.58,1) infinite alternate,
             breatheB 7s ease-in-out infinite alternate;
}

/* ====== Glow C — cyan/blue accent ====== */
.bg-glow.glow-c {
  width: 750px; height: 750px;
  background: radial-gradient(circle, #2dd4ff 0%, transparent 60%);
  filter: blur(140px);
  animation: driftC 22s cubic-bezier(.45,.05,.55,.95) infinite alternate,
             breatheC 6.2s ease-in-out infinite alternate;
}

/* ====== Glow D — hot pink accent, opposite travel ====== */
.bg-glow.glow-d {
  width: 680px; height: 680px;
  background: radial-gradient(circle, #ff3ba2 0%, transparent 55%);
  filter: blur(110px);
  mix-blend-mode: screen;
  animation: driftD 13s ease-in-out infinite alternate,
             breatheD 4.5s ease-in-out infinite alternate;
}

/* ====== Keyframes — big sweeping arcs across viewport ====== */
@keyframes driftA {
  0%   { transform: translate3d(-10vw, -20vh, 0) scale(1); }
  25%  { transform: translate3d(25vw, -5vh, 0) scale(1.25); }
  50%  { transform: translate3d(55vw, 15vh, 0) scale(1.05); }
  75%  { transform: translate3d(35vw, 45vh, 0) scale(1.3); }
  100% { transform: translate3d(-5vw, 55vh, 0) scale(0.9); }
}
@keyframes breatheA {
  0%   { opacity: 0.3; }
  100% { opacity: 0.6; }
}
@keyframes hueA {
  0%   { filter: blur(120px) hue-rotate(0deg); }
  100% { filter: blur(120px) hue-rotate(40deg); }
}

@keyframes driftB {
  0%   { transform: translate3d(85vw, 70vh, 0) scale(1); }
  33%  { transform: translate3d(45vw, 30vh, 0) scale(1.2); }
  66%  { transform: translate3d(10vw, 60vh, 0) scale(0.95); }
  100% { transform: translate3d(70vw, 20vh, 0) scale(1.15); }
}
@keyframes breatheB {
  0%   { opacity: 0.25; }
  100% { opacity: 0.55; }
}

@keyframes driftC {
  0%   { transform: translate3d(20vw, 80vh, 0) scale(1); }
  50%  { transform: translate3d(60vw, 40vh, 0) scale(1.35); }
  100% { transform: translate3d(10vw, 20vh, 0) scale(1.1); }
}
@keyframes breatheC {
  0%   { opacity: 0.15; }
  100% { opacity: 0.4; }
}

@keyframes driftD {
  0%   { transform: translate3d(65vw, 10vh, 0) scale(1); }
  50%  { transform: translate3d(15vw, 45vh, 0) scale(1.4); }
  100% { transform: translate3d(75vw, 75vh, 0) scale(0.9); }
}
@keyframes breatheD {
  0%   { opacity: 0.2; }
  100% { opacity: 0.5; }
}

@media (prefers-reduced-motion: reduce) {
  .bg-glow { animation: none !important; }
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt {
  background: linear-gradient(180deg, transparent 0%, rgba(255,31,143,0.03) 50%, transparent 100%);
}
.section-cta {
  padding: 120px 0 140px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,31,143,0.1) 0%, transparent 60%);
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: rgba(11,7,40,0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex; align-items: center; gap: 32px;
}
.nav-links {
  display: flex; gap: 28px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px; color: var(--ink-2);
  transition: color 120ms ease;
}
.nav-links a:hover { color: var(--ink-0); }

/* ============================================================
   Brand mark
   ============================================================ */
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
}
.brand-mark-img {
  height: 34px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand-full-img {
  height: 32px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.foot-logo { height: 40px; margin-bottom: 10px; }
.brand-word {
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-cx {
  color: var(--pink-1);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 15px;
  transition: transform 120ms ease, box-shadow 200ms ease, background 120ms ease, border-color 120ms ease;
  white-space: nowrap;
}
.btn-sm { padding: 9px 16px; font-size: 13.5px; }
.btn-block { width: 100%; }
.btn-primary {
  background: var(--pink-1);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.05) inset, 0 8px 32px -8px rgba(255,31,143,0.55);
}
.btn-primary:hover {
  background: #ff3ba2;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset, 0 14px 40px -10px rgba(255,31,143,0.7);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-1);
  border: 1px solid var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--pink-1);
  color: #fff;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 110px 0 100px;
  position: relative;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  background: rgba(255,255,255,0.02);
}
.hero-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pink-1);
  box-shadow: 0 0 10px var(--pink-1);
  animation: pulse 2s infinite;
}
.hero-pill .sep { opacity: 0.35; }
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  margin: 28px 0 24px;
  font-size: clamp(44px, 7vw, 92px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.hero-title .mono {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.22em;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0;
}
.grad {
  background: linear-gradient(120deg, var(--pink-1) 0%, var(--pink-3) 60%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 720px;
  font-size: 19px;
  color: var(--ink-2);
  line-height: 1.55;
}
.hero-sub strong { color: var(--ink-0); font-weight: 600; }
.hero-cta {
  display: flex; gap: 14px;
  margin: 36px 0 72px;
  flex-wrap: wrap;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.stat {
  padding: 8px 32px 8px 0;
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat-n {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink-0);
  font-family: var(--font-mono);
  line-height: 1;
}
.stat-n .u { font-size: 0.5em; color: var(--ink-3); margin-left: 2px; }
.stat-l {
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   Section heads
   ============================================================ */
.sect-head {
  max-width: 760px;
  margin-bottom: 60px;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pink-1);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  text-transform: lowercase;
}
.sect-head h2 {
  font-size: clamp(34px, 4.4vw, 58px);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.sect-lead {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 640px;
  line-height: 1.6;
}

/* ============================================================
   3 Lokality — cards
   ============================================================ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 180ms ease, transform 180ms ease;
}
.card:hover {
  border-color: var(--pink-1);
  transform: translateY(-2px);
}
.card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--pink-soft);
  color: var(--pink-1);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(255,31,143,0.28);
}
.card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.card p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}

/* Topology diagram */
.topology {
  margin-top: 60px;
  padding: 56px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255,31,143,0.06) 0%, transparent 70%),
    rgba(255,255,255,0.015);
  position: relative;
  overflow: hidden;
}
.topology-label {
  position: absolute;
  top: 20px; left: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
.topo-nodes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  align-items: center;
  position: relative;
  padding: 20px 0;
}
.topo-lines {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  stroke: rgba(255,31,143,0.35);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 4 6;
  animation: dash 30s linear infinite;
}
@keyframes dash {
  to { stroke-dashoffset: -400; }
}
.node {
  position: relative;
  text-align: center;
  z-index: 1;
  padding: 22px 16px;
  border-radius: var(--radius);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
}
.node.primary {
  border-color: var(--pink-1);
  box-shadow: 0 0 0 1px var(--pink-1), 0 0 40px rgba(255,31,143,0.3);
}
.node-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.node-role {
  font-weight: 600;
  font-size: 18px;
  margin-top: 6px;
}
.node-hex {
  width: 32px; height: 36px;
  margin: 14px auto 0;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: var(--pink-1);
  opacity: 0.7;
}
.node.primary .node-hex { opacity: 1; background: linear-gradient(135deg, var(--pink-1), var(--pink-3)); }
.node-sub {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.topology-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
}
.topology-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.leg-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pink-1);
  box-shadow: 0 0 8px var(--pink-1);
}

/* Assurance block — replaces topology */
.assurance {
  margin-top: 60px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 50% 50%, rgba(255,31,143,0.06) 0%, transparent 70%),
    rgba(255,255,255,0.015);
  position: relative;
}
.assurance-label {
  position: absolute;
  top: 20px; left: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
.assurance-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.assurance-item {
  padding: 16px 28px;
  border-left: 1px solid var(--line);
  text-align: left;
}
.assurance-item:first-child { border-left: none; padding-left: 0; }
.assurance-n {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}
.assurance-t {
  margin-top: 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-1);
}
.assurance-s {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.5;
}

/* ============================================================
   Výkon — two-col
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.checklist {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  gap: 14px;
}
.checklist li {
  padding-left: 32px;
  position: relative;
  color: var(--ink-2);
  line-height: 1.55;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--pink-soft);
  border: 1px solid var(--pink-1);
}
.checklist li::after {
  content: "";
  position: absolute;
  left: 5px; top: 12px;
  width: 8px; height: 4px;
  border-left: 1.5px solid var(--pink-1);
  border-bottom: 1.5px solid var(--pink-1);
  transform: rotate(-45deg);
}
.checklist strong { color: var(--ink-0); font-weight: 600; }

.perf-chart {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}
.perf-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}
.perf-row.emphasis .perf-label { color: var(--ink-0); font-weight: 600; }
.perf-label {
  font-size: 14px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}
.perf-bar {
  height: 38px;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  position: relative;
  border: 1px solid var(--line);
}
.perf-fill {
  height: 100%;
  width: var(--w);
  background: rgba(255,255,255,0.14);
  border-radius: 5px;
  display: flex; align-items: center;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-1);
  transition: width 800ms cubic-bezier(.4,0,.2,1);
  position: relative;
  white-space: nowrap;
  overflow: visible;
}
.perf-fill-brand {
  background: linear-gradient(90deg, var(--pink-1), var(--pink-3));
  color: #fff;
}
.perf-fill-brand::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: 0 0 40px rgba(255,31,143,0.6);
  border-radius: inherit;
  pointer-events: none;
}
.perf-footnote {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-3);
  text-align: center;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* ============================================================
   Solutions
   ============================================================ */
.solutions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.sol {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  transition: border-color 180ms ease, background 180ms ease;
  display: flex; flex-direction: column;
}
.sol:hover {
  border-color: var(--pink-1);
  background: rgba(255,31,143,0.04);
}
.sol-head { margin-bottom: 16px; }
.sol h3 { font-size: 19px; margin-bottom: 6px; }
.sol-stack {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--pink-1);
  letter-spacing: 0.02em;
}
.sol blockquote {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-left: 2px solid var(--pink-1);
  background: rgba(255,31,143,0.06);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: var(--ink-2);
  font-style: italic;
}
.sol p {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.6;
}

/* ============================================================
   Compare
   ============================================================ */
.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,0.015);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div:first-child { color: var(--ink-1); font-weight: 500; }
.compare-head {
  background: rgba(255,255,255,0.03);
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.compare-head .highlight { color: var(--pink-1); }
.compare-row .muted { color: var(--ink-3); }
.compare-row .good { color: var(--good); font-weight: 500; }
.vs { color: var(--ink-3); font-weight: 400; font-style: italic; }

/* ============================================================
   Kalkulačka
   ============================================================ */
.calc {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 28px;
  align-items: start;
}
.calc-controls {
  display: grid;
  gap: 18px;
}
.calc-group {
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
}
.calc-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line);
}
.calc-head h3 { font-size: 17px; }
.calc-price {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--pink-1);
}
.calc-row {
  display: grid;
  grid-template-columns: 120px 1fr 100px;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
}
.calc-row:last-child { margin-bottom: 0; }
.calc-row label {
  font-size: 14px;
  color: var(--ink-2);
}
.calc-val {
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
  color: var(--ink-0);
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  background: var(--pink-1);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(255,31,143,0.2);
  transition: box-shadow 120ms;
}
input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 7px rgba(255,31,143,0.25);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--pink-1);
  border: none; border-radius: 50%;
  cursor: pointer;
}

.calc-inline-note {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.6;
  font-family: var(--font-mono);
}
.calc-includes {
  list-style: none;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
}
.calc-includes li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
}
.calc-includes li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  color: var(--pink-1);
  font-weight: 700;
}
.calc-group-main .calc-row { grid-template-columns: 140px 1fr 90px; }

.calc-toggles {
  display: grid;
  gap: 10px;
}
.tog {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 120ms, background 120ms;
}
.tog:hover { border-color: var(--line-2); }
.tog input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--pink-1);
  cursor: pointer;
}
.tog span { flex: 1; font-size: 14.5px; }
.tog em {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-3);
  font-style: normal;
}
.tog input:checked ~ span { color: var(--ink-0); font-weight: 500; }
.tog:has(input:checked) {
  background: rgba(255,31,143,0.06);
  border-color: var(--pink-1);
}

/* Summary */
.calc-summary {
  padding: 30px;
  border: 1px solid var(--pink-1);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255,31,143,0.08), rgba(255,31,143,0.02));
  position: sticky; top: 100px;
}
.calc-sum-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--pink-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.calc-sum-rows {
  display: grid; gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--line-2);
}
.calc-sum-rows > div {
  display: flex; justify-content: space-between;
  font-size: 14.5px;
  color: var(--ink-2);
}
.calc-sum-rows > div[hidden] { display: none; }
.calc-sum-rows > div span:last-child {
  font-family: var(--font-mono);
  color: var(--ink-0);
}
.calc-sum-rows .muted-price {
  color: var(--ink-3) !important;
  font-style: italic;
}
.calc-total {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 22px;
}
.calc-total span {
  font-size: 14px; color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}
.calc-total strong {
  font-size: 30px;
  font-family: var(--font-mono);
  color: #fff;
  font-weight: 600;
}
.calc-note {
  font-size: 12px;
  color: var(--ink-3);
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

/* ============================================================
   CTA / Kontakt
   ============================================================ */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.cta-list {
  margin-top: 32px;
  padding: 0;
  list-style: none;
  display: grid; gap: 12px;
}
.cta-list li {
  padding-left: 26px; position: relative;
  color: var(--ink-1);
  font-size: 15.5px;
}
.cta-list li::before {
  content: "→"; position: absolute;
  left: 0; color: var(--pink-1); font-family: var(--font-mono);
}

/* Form */
.form {
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  backdrop-filter: blur(10px);
}
.form-row {
  margin-bottom: 16px;
  display: grid; gap: 6px;
}
.form-row label {
  font-size: 13px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  color: var(--ink-0);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: border-color 120ms, background 120ms;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--pink-1);
  background: rgba(255,31,143,0.04);
}
.form-row textarea { resize: vertical; min-height: 96px; }
.form-fine {
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
}
.form-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  background: rgba(56,224,163,0.12);
  border: 1px solid rgba(56,224,163,0.3);
  color: var(--good);
  font-family: var(--font-mono);
}
.form-status.form-status-error {
  background: rgba(255,95,95,0.12);
  border-color: rgba(255,95,95,0.35);
  color: #ff8a8a;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 64px 0 40px;
  background: var(--bg-0);
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  align-items: start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.foot-brand {
  display: flex; gap: 14px; align-items: flex-start;
}
.foot-tag {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
}
.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.foot-h {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.foot-cols a {
  display: block;
  color: var(--ink-2);
  font-size: 14.5px;
  padding: 5px 0;
  transition: color 120ms;
}
.foot-cols a:hover { color: var(--pink-1); }
.foot-bottom {
  margin-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 12.5px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}

/* ============================================================
   Reveal animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .section { padding: 80px 0; }
  .hero { padding: 60px 0; }
  .hero-title { font-size: clamp(40px, 10vw, 64px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat { border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 14px; }
  .stat:nth-child(-n+2) { border-top: none; padding-top: 0; }
  .grid-3,
  .solutions { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .topo-nodes { grid-template-columns: 1fr; gap: 16px; }
  .topo-lines { display: none; }
  .calc { grid-template-columns: 1fr; }
  .calc-summary { position: static; }
  .calc-row { grid-template-columns: 1fr; gap: 8px; }
  .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: repeat(2, 1fr); }
  .compare-row { padding: 16px; font-size: 13.5px; }
  .compare-row { grid-template-columns: 1fr; gap: 4px; }
  .compare-head { display: none; }
  .compare-row > div:nth-child(2)::before { content: "Běžný hosting: "; color: var(--ink-3); font-family: var(--font-mono); font-size: 12px; }
  .compare-row > div:nth-child(3)::before { content: "CX_cloud: "; color: var(--pink-1); font-family: var(--font-mono); font-size: 12px; }
  .assurance { padding: 32px 24px; }
  .assurance-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; }
  .assurance-item { padding: 0; border-left: none; }
  .container { padding: 0 20px; }
  .nav-inner { padding: 14px 20px; }
}