/* ==========================================================================
   projekty.myslisrdcom.sk — HUB (rozcestník 18 odvetví)
   Vlastný prémiový tmavý "spectrum" dizajn. Nezdieľa s hlavným webom.
   ========================================================================== */

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

:root {
  --bg: #0a0a0f;
  --bg-2: #101019;
  --panel: #14141f;
  --panel-2: #1b1b29;
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.18);
  --text: #f3f3f7;
  --muted: #a6a6b8;
  --faint: #6f6f82;
  --accent: #7c6cff;          /* AI/tech indigo */
  --accent-2: #00d4c8;        /* teal */
  --radius: 18px;
  --radius-lg: 26px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --maxw: 1240px;
}

html { background: #07070b; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ----- ambient background ----- */
.bg-aura { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-aura::before, .bg-aura::after {
  content: ''; position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.5;
}
.bg-aura::before { width: 600px; height: 600px; background: radial-gradient(circle, rgba(124,108,255,0.4), transparent 70%); top: -200px; left: -150px; }
.bg-aura::after { width: 520px; height: 520px; background: radial-gradient(circle, rgba(0,212,200,0.28), transparent 70%); top: 30%; right: -200px; }
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
}
.page { position: relative; z-index: 1; }

/* ----- header ----- */
.hdr { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .4s, backdrop-filter .4s, padding .4s; padding: 18px 0; }
.hdr.scrolled { background: rgba(10,10,15,0.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); padding: 12px 0; }
.hdr-in { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.06rem; letter-spacing: -0.01em; }
.brand-dot { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; font-size: 0.95rem; box-shadow: 0 6px 18px rgba(124,108,255,0.45); }
.brand small { display: block; font-size: 0.66rem; font-weight: 500; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; margin-top: 1px; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { font-size: 0.92rem; color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--text); }
.nav .nav-cta { padding: 10px 20px; border-radius: 40px; background: linear-gradient(135deg, var(--accent), #5b49e0); color: #fff; font-weight: 600; box-shadow: 0 6px 20px rgba(124,108,255,0.35); }
.nav .nav-cta:hover { color: #fff; transform: translateY(-2px); }
.burger { display: none; width: 46px; height: 46px; border: 1px solid var(--line-strong); border-radius: 50%; background: rgba(255,255,255,0.03); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.burger span { width: 18px; height: 1.6px; background: var(--text); transition: transform .35s var(--ease), opacity .25s; }
.burger.open span:nth-child(1) { transform: translateY(3.3px) rotate(45deg); }
.burger.open span:nth-child(2) { transform: translateY(-3.3px) rotate(-45deg); }

/* mobile drawer — z PRAVA */
.drawer { position: fixed; inset: 0; z-index: 49; background: linear-gradient(160deg, #0c0c16, #14101f); opacity: 0; pointer-events: none; transition: opacity .4s; display: flex; flex-direction: column; justify-content: center; padding: 0 32px; }
.drawer.open { opacity: 1; pointer-events: auto; }
.drawer a { font-size: 1.7rem; font-weight: 600; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--muted); transition: color .2s, transform .3s; transform: translateX(20px); opacity: 0; }
.drawer.open a { transform: translateX(0); opacity: 1; }
.drawer.open a:nth-child(1){transition-delay:.06s}.drawer.open a:nth-child(2){transition-delay:.11s}.drawer.open a:nth-child(3){transition-delay:.16s}.drawer.open a:nth-child(4){transition-delay:.21s}
.drawer a:hover { color: var(--text); }

/* ----- hero ----- */
.hero { padding: 170px 0 80px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 18px; border: 1px solid var(--line-strong); border-radius: 40px; background: rgba(255,255,255,0.03); font-size: 0.82rem; color: var(--muted); margin-bottom: 28px; }
.eyebrow .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(0,212,200,0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(0,212,200,0.55)} 70%{box-shadow:0 0 0 10px rgba(0,212,200,0)} 100%{box-shadow:0 0 0 0 rgba(0,212,200,0)} }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.04; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 24px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--accent) 10%, var(--accent-2) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rotor { display: inline-block; position: relative; }
.rotor b { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }
.hero p { max-width: 680px; margin: 0 auto 36px; font-size: clamp(1.02rem, 2.3vw, 1.22rem); color: var(--muted); }
.hero-cta { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px; border-radius: 44px; font-weight: 600; font-size: 0.98rem; font-family: inherit; cursor: pointer; border: 1px solid transparent; transition: transform .3s var(--ease), box-shadow .3s, background .3s, border-color .3s; }
.btn-primary { background: linear-gradient(135deg, var(--accent), #5b49e0); color: #fff; box-shadow: 0 10px 30px rgba(124,108,255,0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(124,108,255,0.55); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); transform: translateY(-3px); }

.stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; margin-top: 56px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 2rem; font-weight: 700; background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 0.85rem; color: var(--faint); }

/* ----- section heads ----- */
.sec { padding: 80px 0; }
.sec-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.sec-head .kicker { font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: 14px; }
.sec-head h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.sec-head p { color: var(--muted); margin-top: 16px; font-size: 1.05rem; }

/* ----- filter chips ----- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.chip { padding: 9px 18px; border-radius: 30px; border: 1px solid var(--line); background: rgba(255,255,255,0.02); color: var(--muted); font-size: 0.86rem; cursor: pointer; font-family: inherit; transition: all .25s; }
.chip:hover { border-color: var(--line-strong); color: var(--text); }
.chip.active { background: var(--text); color: #0a0a0f; border-color: var(--text); font-weight: 600; }

/* ----- segment grid ----- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  --c: var(--accent);
  position: relative; display: flex; flex-direction: column; min-height: 250px;
  padding: 28px; border-radius: var(--radius-lg); background: var(--panel);
  border: 1px solid var(--line); overflow: hidden; cursor: pointer;
  transition: transform .4s var(--ease), border-color .4s, background .4s;
}
.card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(120% 80% at 0% 0%, color-mix(in srgb, var(--c) 18%, transparent), transparent 60%); opacity: 0; transition: opacity .4s; }
.card:hover { transform: translateY(-6px); border-color: color-mix(in srgb, var(--c) 55%, transparent); background: var(--panel-2); }
.card:hover::before { opacity: 1; }
.card-ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; background: color-mix(in srgb, var(--c) 16%, var(--panel-2)); border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); position: relative; z-index: 1; }
.card-ico svg { width: 26px; height: 26px; stroke: var(--c); fill: none; stroke-width: 1.7; }
.card-num { position: absolute; top: 22px; right: 26px; font-size: 0.78rem; color: var(--faint); font-variant-numeric: tabular-nums; z-index: 1; }
.card h3 { font-size: 1.28rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 10px; position: relative; z-index: 1; }
.card p { font-size: 0.93rem; color: var(--muted); position: relative; z-index: 1; flex: 1; }
.card-go { margin-top: 20px; display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; font-weight: 600; color: var(--c); position: relative; z-index: 1; }
.card-go svg { width: 16px; height: 16px; transition: transform .3s; }
.card:hover .card-go svg { transform: translateX(5px); }
.card.hide { display: none; }

/* ----- process ----- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { padding: 28px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); }
.step b { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #07070b; font-weight: 700; margin-bottom: 18px; }
.step h4 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--muted); }

/* ----- CTA band ----- */
.cta-band { margin: 40px auto; max-width: var(--maxw); padding: 0 24px; }
.cta-inner { position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 60px 40px; text-align: center; background: linear-gradient(135deg, #17122e, #0e1626); border: 1px solid var(--line-strong); }
.cta-inner h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta-inner p { color: var(--muted); max-width: 560px; margin: 0 auto 30px; }

/* ----- footer ----- */
.ft { background: #07070b; border-top: 1px solid var(--line); padding: 64px 0 32px; position: relative; z-index: 1; }
.ft-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.ft-brand p { color: var(--muted); font-size: 0.92rem; margin-top: 14px; max-width: 280px; }
.ft-col h5 { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; }
.ft-col a, .ft-col span { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 10px; transition: color .2s; }
.ft-col a:hover { color: var(--text); }
.ft-bot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.84rem; color: var(--faint); }
.ft-bot a { color: var(--muted); }
.ft-socials { display: flex; gap: 12px; }
.ft-socials a { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,0.04); border: 1px solid var(--line); transition: all .25s; }
.ft-socials a:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.ft-socials svg { width: 16px; height: 16px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ----- responsive ----- */
@media (max-width: 980px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .ft-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav { display: none; }
  .burger { display: flex; }
  .hero { padding: 140px 0 60px; }
  .grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .stats { gap: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}