/* ═══════════════════════════════════════════════
   PREMIUM SYSTEMS — dark cinematic redesign
   ═══════════════════════════════════════════════ */

:root {
  --bg: #050810;
  --bg-2: #0a1322;
  --ink: #eef3f8;
  --ink-dim: #9fb0c3;
  --ink-faint: #64748b;
  --accent: #4dd6d9;        /* teal from logo */
  --accent-2: #3aa8ff;      /* deep blue      */
  --grad-start: #C9E7FA;    /* světlý ledový začátek gradientů */
  --grad-end: #478EA7;      /* tlumený modrošedý konec gradientů */
  --amber: #ffb454;         /* city lights    */
  --danger: #ff5d5d;
  --glass: rgba(13, 24, 41, 0.55);
  --glass-border: rgba(120, 180, 220, 0.14);
  --radius: 20px;
  --font-display: "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(77, 214, 217, 0.35); color: #fff; }

img { max-width: 100%; }

/* ── Video stage ─────────────────────────────── */
.video-stage {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: var(--bg);
}
.video-stage video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 90% at 50% 0%, transparent 30%, rgba(5, 8, 16, 0.55) 100%),
    linear-gradient(180deg, rgba(5, 8, 16, 0.55) 0%, rgba(5, 8, 16, 0.25) 30%, rgba(5, 8, 16, 0.45) 100%);
}
.video-grain {
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 1.1s steps(6) infinite;
  pointer-events: none;
}
@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  17%  { transform: translate(-3%, 2%); }
  33%  { transform: translate(2%, -3%); }
  50%  { transform: translate(-2%, -2%); }
  67%  { transform: translate(3%, 1%); }
  83%  { transform: translate(-1%, 3%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .video-grain { animation: none; }
}

/* ── Scroll progress ─────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 200;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
  box-shadow: 0 0 12px rgba(77, 214, 217, 0.7);
}

/* ── Indikátor sekcí (vlevo) ─────────────────── */
.side-nav {
  position: fixed;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  padding: 2px 0;
}
.side-nav .bar {
  display: block;
  height: 2px;
  width: 12px;
  border-radius: 2px;
  background: rgba(200, 220, 240, 0.3);
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease, box-shadow 0.3s ease;
}
.side-nav a.active .bar {
  background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
  box-shadow: 0 0 10px rgba(77, 214, 217, 0.6);
}
.side-nav .label {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-dim);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.35s ease, transform 0.35s ease, color 0.3s ease;
  pointer-events: none;
}
.side-nav a.active .label,
.side-nav a:hover .label { opacity: 1; transform: none; }
.side-nav a.active .label { color: var(--ink); }
.side-nav a:hover .bar { background: rgba(200, 220, 240, 0.6); }
@media (max-width: 1340px) {
  .side-nav { display: none; }
}

/* ── Nav ─────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
}
/* pozadí menu: rozmazání obsahu, které plynule přechází do ztracena —
   žádná hrana, žádný box */
.nav::before {
  content: "";
  position: absolute;
  inset: 0 0 -48px 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 8, 16, 0.75) 0%, rgba(5, 8, 16, 0.35) 55%, transparent 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 50%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 50%, transparent 100%);
  opacity: 0;
  transition: opacity 0.45s ease;
}
.nav.scrolled::before { opacity: 1; }
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo img { height: 30px; display: block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color 0.25s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.nav-cta {
  color: #04121a;
  background: linear-gradient(120deg, var(--grad-start), var(--grad-end));
  padding: 10px 22px;
  border-radius: 100px;
  font-weight: 600;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.nav-links a.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(77, 214, 217, 0.35);
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  width: 24px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Typography helpers ──────────────────────── */
.eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}
.grad {
  background: linear-gradient(110deg, var(--grad-start) 10%, var(--grad-end) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; }
h2 { font-size: clamp(2.1rem, 4.9vw, 5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.35rem, 1.9vw, 2rem); }

/* ── Hero ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 120px 24px 140px;
}
.hero-title {
  font-size: clamp(3rem, 9.5vw, 11rem);
  letter-spacing: -0.03em;
  margin: 0 0 28px;
}
.hero-title .line { display: block; }
.hero-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.8rem);
  color: var(--ink-dim);
  max-width: 640px;
  margin: 0 auto 42px;
}
.hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.hint-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
}
.hint-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, var(--grad-start), transparent);
  animation: hintPulse 2.2s ease-in-out infinite;
}
@media (max-height: 700px) {
  .hero-scroll-hint { display: none; }
}
@keyframes hintPulse {
  0%, 100% { opacity: 0.25; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 15px 36px;
  border-radius: 100px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.btn-primary {
  color: #04121a;
  background: linear-gradient(120deg, var(--grad-start), var(--grad-end));
  box-shadow: 0 8px 32px rgba(58, 168, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(77, 214, 217, 0.45);
}
.btn-ghost {
  color: var(--ink);
  border: 1px solid rgba(160, 200, 230, 0.3);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-lg { padding: 19px 52px; font-size: 1.15rem; }

/* ── Sections & layout ───────────────────────── */
.section { padding: 130px 24px; position: relative; }
.container { max-width: 1180px; margin: 0 auto; }
.section-head { text-align: center; max-width: 780px; margin: 0 auto 64px; }
.section-lead {
  color: var(--ink-dim);
  font-size: clamp(1.05rem, 1.5vw, 1.5rem);
  margin-top: 22px;
}

/* ── Glass ───────────────────────────────────── */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

/* ── Chart scrollytelling ────────────────────── */
.chart-scroll {
  height: 300vh;
  position: relative;
}
.chart-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 24px 24px;
}
.chart-sticky .container { width: 100%; }
.chart-head { margin-bottom: clamp(16px, 3vh, 36px); }
.chart-head h2 { font-size: clamp(1.7rem, 3.2vw, 3.2rem); }
.chart-head .section-lead {
  margin-top: 14px;
  font-size: clamp(0.98rem, 1.25vw, 1.25rem);
}
.chart-stage { position: relative; width: 100%; }
.chart-stage svg {
  display: block;
  width: 100%;
  height: clamp(240px, 42vh, 520px);
  overflow: visible;
}
.chart-badge {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px;
  border-radius: 14px;
  background: rgba(10, 19, 34, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  will-change: transform;
}
.chart-badge.on { opacity: 1; }
.badge-with {
  border: 1px solid rgba(77, 214, 217, 0.5);
  box-shadow: 0 8px 30px rgba(77, 214, 217, 0.15);
  transform: translate(-100%, -130%);
}
.badge-without {
  border: 1px solid rgba(255, 93, 93, 0.45);
  box-shadow: 0 8px 30px rgba(255, 93, 93, 0.12);
  transform: translate(-100%, 40%);
}
.badge-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.8vw, 1.6rem);
  font-variant-numeric: tabular-nums;
}
.badge-with .badge-value { color: var(--accent); }
.badge-without .badge-value { color: var(--danger); }
.badge-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--ink-dim);
}
.chart-xlabels {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: var(--ink-faint);
  font-size: clamp(0.7rem, 1vw, 0.9rem);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.chart-xlabels .xl-incident { color: var(--danger); font-weight: 700; }
.chart-note {
  margin-top: clamp(14px, 3vh, 30px);
  text-align: center;
  color: var(--ink-dim);
  font-size: clamp(0.95rem, 1.3vw, 1.25rem);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.chart-note strong { color: var(--accent); }
.chart-note.show { opacity: 1; transform: none; }

/* rozmazání pozadí řídí plynule JS podle pozice skrolování */
.video-stage { will-change: filter; }

/* ── Reference ───────────────────────────────── */
.rating {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 6px 0 8px;
}
.stars { color: var(--amber); font-size: 1.6rem; letter-spacing: 0.2em; text-shadow: 0 0 22px rgba(255, 180, 84, 0.5); }
.rating-num { font-family: var(--font-display); font-weight: 600; font-size: 1.25rem; }
.logo-strip {
  overflow: hidden;
  padding: 44px 0;
  margin-bottom: 56px;
  /* postupné okraje */
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
}
.logo-track {
  display: flex;
  align-items: center;
  width: 240%; /* 12 buněk × 20 % pásu → vždy 5 log v záběru */
  animation: logoMarquee 36s linear infinite;
}
.logo-strip:hover .logo-track { animation-play-state: paused; }
.logo-cell {
  flex: 0 0 calc(100% / 12);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 clamp(14px, 2vw, 34px);
}
.logo-cell img {
  height: 42px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.55;
  transition: opacity 0.3s ease;
}
.logo-cell img:hover { opacity: 1; }
/* pohyb zprava doleva, bezešvá smyčka přes duplikovanou sadu */
@keyframes logoMarquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; transform: translateX(0); }
}
.testimonial {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.pull-quote {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  font-weight: 500;
  font-style: italic;
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
}
.testimonial-author {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.testimonial-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
}
.testimonial-role {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent);
}
.pull-quote em {
  font-style: italic;
  background: linear-gradient(110deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Cards ───────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  padding: 42px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(77, 214, 217, 0.4);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.6), 0 0 60px rgba(77, 214, 217, 0.08) inset;
}
.card-num {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
}
.card h3 { font-size: 1.7rem; }
.card p { color: var(--ink-dim); flex: 1; }
.card-link {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.card-link span { transition: transform 0.25s ease; color: var(--accent); }
.card-link:hover span { transform: translateX(6px); }

/* ── Duo ─────────────────────────────────────── */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.duo-item { padding: 46px 42px; }
.duo-item h3 { margin-bottom: 14px; font-size: 1.6rem; }
.duo-item p { color: var(--ink-dim); }

/* ── Principles (scrollytelling) ─────────────── */
.proc-scroll {
  height: 280vh;
  position: relative;
}
.proc-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 90px 24px 40px;
}
.proc-sticky .container { width: 100%; }
.proc-head { margin-bottom: clamp(24px, 5vh, 60px); }
.principles-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(36px, 4.5vw, 72px);
  z-index: 1;
}
.principle {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(44px);
  will-change: transform, opacity;
}
.p-num {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent);
  opacity: 0.7;
  transition: opacity 0.4s ease;
}
.principle.active .p-num { opacity: 1; }
.principle p {
  color: var(--ink-dim);
  margin-top: clamp(14px, 2vh, 24px);
  font-size: clamp(0.95rem, 1.15vw, 1.1rem);
  line-height: 1.75;
  min-height: 5.2em;
}
.p-strip {
  position: relative;
  width: 100%;
  height: 24px;
  margin: clamp(22px, 3.2vh, 38px) 0;
  background-image: radial-gradient(rgba(160, 195, 220, 0.22) 1px, transparent 1.4px);
  background-size: 9px 9px;
}
.p-fill {
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -1.5px;
  height: 3px;
  width: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
  box-shadow: 0 0 12px rgba(77, 214, 217, 0.6);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}
.principle h3 {
  margin: 0;
  font-size: clamp(1.4rem, 1.8vw, 1.9rem);
}

/* ── CEO ─────────────────────────────────────── */
.ceo {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  overflow: hidden;
  align-items: stretch;
}
.ceo-photo { order: -1; }
.ceo-text {
  padding: clamp(40px, 5.5vw, 88px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ceo-title { margin-bottom: clamp(28px, 3.5vw, 48px); font-size: clamp(2rem, 3.6vw, 3.6rem); }
.ceo blockquote p {
  color: var(--ink-dim);
  font-size: clamp(1.02rem, 1.35vw, 1.3rem);
  margin-bottom: 22px;
  max-width: 620px;
}
.ceo-sig {
  margin-top: clamp(20px, 2.5vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
}
.ceo-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.ceo-role {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
}
.ceo-photo {
  position: relative;
  min-height: 460px;
  overflow: hidden;
}
.ceo-photo img {
  /* postava se vždy škáluje na výšku panelu — žádný mrtvý prostor nahoře;
     centrování v ose sloupce, ukotvení dole */
  position: absolute;
  bottom: 0;
  top: auto;
  left: 0;
  right: 0;
  margin: 0 auto;
  height: 94%;
  width: auto;
  aspect-ratio: 1150 / 1414;
  max-width: none;
  /* postava při skrolování vyrůstá zespodu — posun řídí JS */
  will-change: transform;
}

/* ── CTA ─────────────────────────────────────── */
.cta-section { padding-bottom: 170px; }
.cta-section .btn { margin-top: 44px; }
.cta-title {
  font-size: clamp(3rem, 8.5vw, 9.5rem);
  letter-spacing: -0.03em;
}
.cta-section .section-head { max-width: 1100px; }

/* ── Footer ──────────────────────────────────── */
.footer {
  position: relative;
  background: rgba(4, 7, 13, 0.88);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: 72px 24px 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo { height: 28px; margin-bottom: 18px; }
.footer-brand p { color: var(--ink-faint); font-size: 0.95rem; }
.footer-col h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.footer-col p, .footer-col a {
  display: block;
  color: var(--ink-dim);
  font-size: 0.95rem;
  text-decoration: none;
  margin-bottom: 6px;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 26px;
  color: var(--ink-faint);
  font-size: 0.85rem;
  text-align: center;
}

/* ── Reveal animation ────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: none; }
.cards .reveal:nth-child(2), .duo .reveal:nth-child(2) { transition-delay: 0.12s; }
.cards .reveal:nth-child(3) { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hint-line { animation: none; }
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 960px) {
  .cards { grid-template-columns: 1fr; }
  .duo { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ceo { grid-template-columns: 1fr; }
  .ceo-photo { min-height: 420px; order: -1; }
  .ceo-photo img { object-position: center bottom; }
}

@media (max-width: 760px) {
  .nav-burger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 340px);
    flex-direction: column;
    justify-content: center;
    background: rgba(5, 8, 16, 0.96);
    backdrop-filter: blur(24px);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 1px solid var(--glass-border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.15rem; }
  .section { padding: 90px 20px; }
  .proc-scroll { height: 320vh; }
  .proc-sticky { padding: 80px 16px 20px; }
  .principles-row { grid-template-columns: 1fr; gap: 24px; }
  .principle p { font-size: 0.9rem; margin-top: 10px; min-height: 0; }
  .p-strip { margin: 14px 0; height: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .logo-cell img { height: 26px; }
  .logo-cell { padding: 0 8px; }
  .chart-scroll { height: 300vh; }
  .chart-sticky { padding: 80px 16px 20px; }
  .chart-xlabels .xl-m { display: none; }
  .chart-badge { padding: 7px 11px; border-radius: 10px; }
}

/* ═══════════════════════════════════════════════
   PODSTRÁNKA: Business Continuity
   ═══════════════════════════════════════════════ */

/* Záloha nestačí: RTO + Premium Standard */
.bc-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  max-width: 980px;
  margin: 0 auto;
}
.bc-stat {
  padding: 42px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.bc-stat-label {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
}
.bc-stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
}
.bc-stat-note { color: var(--ink-dim); }
.bc-checklist { padding: 42px 38px; }
.bc-checklist ul {
  list-style: none;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.bc-checklist li {
  position: relative;
  padding-left: 34px;
  color: var(--ink);
  font-weight: 500;
}
.bc-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: #04121a;
  background: linear-gradient(120deg, var(--grad-start), var(--grad-end));
}

/* Strategické výhody 2×2 */
.bc-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

/* FAQ */
.faq {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq details {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq details[open] { border-color: rgba(120, 180, 220, 0.3); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 58px 22px 26px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.98rem, 1.2vw, 1.15rem);
  position: relative;
  transition: color 0.25s ease;
}
.faq summary:hover { color: var(--accent); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.3s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p {
  padding: 0 26px 24px;
  color: var(--ink-dim);
  line-height: 1.7;
}

@media (max-width: 960px) {
  .bc-grid { grid-template-columns: 1fr; }
  .bc-benefits { grid-template-columns: 1fr; }
}

/* Operační proces: varianta se 4 sloupci (stejný scrollytelling jako homepage) */
.principles-row.cols4 {
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(26px, 3vw, 52px);
}
.principles-row.cols4 .principle p { min-height: 6.5em; }
@media (max-width: 960px) {
  .principles-row.cols4 { grid-template-columns: 1fr 1fr; }
  .principles-row.cols4 .principle p { min-height: 0; }
}
@media (max-width: 560px) {
  .principles-row.cols4 { grid-template-columns: 1fr; }
}

/* NIS2: časová osa + povinnosti */
.bc-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.bc-timeline .duo-item .p-num { margin-bottom: 14px; }
.bc-timeline .duo-item p strong { color: var(--accent); }
.cards.oblig .card h3 { font-size: clamp(1.3rem, 1.7vw, 1.7rem); }
@media (max-width: 960px) {
  .bc-timeline { grid-template-columns: 1fr; }
}

/* Experti: služby + compliance */
.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.exp-item { padding: 42px 38px; display: flex; flex-direction: column; }
.exp-item h3 { margin: 14px 0 14px; font-size: clamp(1.35rem, 1.8vw, 1.8rem); }
.exp-item p { color: var(--ink-dim); flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tag {
  border: 1px solid rgba(120, 180, 220, 0.28);
  border-radius: 100px;
  padding: 7px 16px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  white-space: nowrap;
}
.exp-full {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  padding: clamp(38px, 5vw, 64px);
  align-items: center;
}
.exp-full-text h3 { margin: 14px 0 16px; font-size: clamp(1.5rem, 2.2vw, 2.2rem); }
.exp-full-text p { color: var(--ink-dim); }
.exp-stats { display: flex; flex-direction: column; gap: 28px; }
.exp-stat { display: flex; flex-direction: column; gap: 4px; }
.exp-stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 3.4vw, 3.4rem);
  line-height: 1;
}
.exp-stat-label {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-dim);
}
@media (max-width: 960px) {
  .exp-grid { grid-template-columns: 1fr; }
  .exp-full { grid-template-columns: 1fr; }
  .exp-stats { flex-direction: row; gap: 40px; }
}

/* O nás: skupinová fotka týmu — vyrůstá zespodu jako Jirka na homepage */
.team-panel {
  margin-top: 28px;
  overflow: hidden;
  padding: clamp(28px, 4.5vw, 64px) clamp(24px, 4vw, 56px) 0;
}
.team-panel img {
  display: block;
  width: 100%;
  height: auto;
  will-change: transform;
}

/* Kontakt: hodnoty na kartách */
.contact-value {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw, 1.9rem);
  line-height: 1.25;
  text-decoration: none;
  transition: opacity 0.25s ease;
}
a.contact-value:hover { opacity: 0.8; }
.contact-note { color: var(--ink-dim); margin-top: 12px; }

/* Kontakt: mapa v tmavém ladění webu */
.map-panel {
  position: relative;
  margin-top: 28px;
  overflow: hidden;
  padding: 0;
}
.map-panel iframe {
  display: block;
  width: 100%;
  height: clamp(340px, 46vh, 480px);
  border: 0;
  /* převrácení do tmavého režimu, sladěné s modrou palety webu */
  filter: invert(0.92) hue-rotate(190deg) saturate(0.5) brightness(0.92) contrast(0.95);
}
.map-note {
  position: absolute;
  left: 22px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 22px;
  border-radius: 14px;
  background: rgba(8, 16, 28, 0.92);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.map-note-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
}
.map-note-sub {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.68rem;
  font-weight: 600;
}
@media (max-width: 560px) {
  .map-note { left: 12px; right: 12px; bottom: 12px; padding: 12px 16px; }
}

/* cíle kotev nezajíždějí pod fixní menu */
#volejte, #napiste, section[id] { scroll-margin-top: 110px; }