/* ============================================================
   SensoFuse — Prediktivní údržba strojů
   Design: industrial HMI / blueprint
   ============================================================ */

:root{
  --navy:#0A0F1C;          /* deep machine navy — dark bands */
  --navy-2:#101A2E;        /* raised dark surface */
  --paper:#F5F7FA;         /* light section base */
  --white:#FFFFFF;
  --ink:#111A28;           /* text on light */
  --ink-soft:#46556B;      /* secondary text on light */
  --fog:#9FB0C7;           /* secondary text on dark */
  --amber:#FFB020;         /* signal amber — alerts, CTA */
  --amber-deep:#E89200;
  --cyan:#3DD6C3;          /* telemetry cyan — data lines only */
  --line-dark:rgba(159,176,199,.16);
  --line-light:rgba(17,26,40,.12);
  --radius:14px;
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",monospace;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- typography ---------- */
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.015em;font-weight:600}
h1{font-size:clamp(2.5rem,5.4vw,4.1rem)}
h2{font-size:clamp(1.85rem,3.4vw,2.6rem)}
h3{font-size:1.22rem}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--amber-deep);
  display:flex;align-items:center;gap:12px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--amber)}
.dark .eyebrow{color:var(--amber)}
.lead{font-size:1.14rem;color:var(--ink-soft);max-width:62ch}
.dark .lead{color:var(--fog)}
.mono{font-family:var(--font-mono)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(10,15,28,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 28px;
  display:flex;align-items:center;justify-content:space-between;height:68px;
}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff;font-family:var(--font-display);font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
.logo svg{width:30px;height:30px}
.logo b{color:var(--amber)}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{color:var(--fog);text-decoration:none;font-size:.92rem;transition:color .18s}
.nav-links a:hover,.nav-links a:focus-visible{color:#fff}
.nav-links a.eu-link{display:flex;align-items:center;gap:8px}
.nav-cta{
  background:var(--amber);color:var(--navy)!important;font-weight:600;
  padding:9px 20px;border-radius:9px;transition:background .18s;
}
.nav-cta:hover{background:#ffc24d}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.25s}

/* ---------- hero ---------- */
.hero{
  background:var(--navy);
  color:#fff;
  position:relative;
  overflow:hidden;
  padding:96px 0 0;
}
.hero::before{ /* blueprint grid */
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(159,176,199,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(159,176,199,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1 .hl{color:var(--amber)}
.hero .lead{margin:24px 0 36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:600;font-size:1rem;
  padding:14px 28px;border-radius:11px;text-decoration:none;
  transition:transform .15s,background .18s,border-color .18s;border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--amber);color:var(--navy)}
.btn-primary:hover{background:#ffc24d}
.btn-ghost{border-color:var(--line-dark);color:#fff}
.btn-ghost:hover{border-color:var(--fog)}
.btn-ghost-light{border-color:var(--line-light);color:var(--ink)}
.btn-ghost-light:hover{border-color:var(--ink-soft)}

/* signature: live signal monitor */
.monitor{
  background:linear-gradient(180deg,var(--navy-2),#0C1426);
  border:1px solid var(--line-dark);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.monitor-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 18px;border-bottom:1px solid var(--line-dark);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;color:var(--fog);
}
.monitor-head .live{display:flex;align-items:center;gap:8px;color:var(--cyan)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.monitor canvas{width:100%;height:220px}
.monitor-foot{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-dark);
}
.monitor-foot div{padding:14px 18px;border-right:1px solid var(--line-dark)}
.monitor-foot div:last-child{border-right:0}
.monitor-foot .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fog)}
.monitor-foot .v{font-family:var(--font-display);font-weight:600;font-size:1.12rem;margin-top:3px}
.monitor-foot .v.ok{color:var(--cyan)}
.monitor-foot .v.warn{color:var(--amber)}
.anomaly-tag{
  position:absolute;top:14px;right:16px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;
  background:rgba(255,176,32,.13);border:1px solid rgba(255,176,32,.5);color:var(--amber);
  padding:5px 11px;border-radius:7px;opacity:0;transition:opacity .4s;
}
.anomaly-tag.show{opacity:1}
.monitor-body{position:relative}

/* hero stats strip */
.hero-stats{
  position:relative;margin-top:84px;
  border-top:1px solid var(--line-dark);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.hero-stats>div{padding:30px 28px;border-right:1px solid var(--line-dark)}
.hero-stats>div:last-child{border-right:0}
.hero-stats .num{font-family:var(--font-display);font-weight:700;font-size:2rem;color:#fff}
.hero-stats .num em{font-style:normal;color:var(--amber)}
.hero-stats p{color:var(--fog);font-size:.9rem;margin-top:6px;max-width:34ch}
.hero-stats .src{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;color:#5B6B85;margin-top:10px;text-transform:uppercase}

/* ---------- sections ---------- */
section{padding:104px 0}
.dark{background:var(--navy);color:#fff}
.section-head{max-width:700px;margin-bottom:60px}
.section-head h2{margin-bottom:16px}

/* pipeline (numbered — actual sequence) */
.pipeline{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pipe-card{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--radius);
  padding:32px 28px;position:relative;
}
.pipe-card .step{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;color:var(--amber-deep);
  margin-bottom:18px;display:block;
}
.pipe-card h3{margin-bottom:12px}
.pipe-card p{color:var(--ink-soft);font-size:.95rem}
.pipe-card ul{margin-top:14px;padding-left:0;list-style:none}
.pipe-card li{
  font-size:.88rem;color:var(--ink-soft);padding:7px 0 7px 22px;position:relative;
  border-top:1px dashed var(--line-light);
}
.pipe-card li::before{content:"▸";position:absolute;left:4px;color:var(--amber-deep);font-size:.8rem}
.pipe-arrow{
  position:absolute;top:50%;right:-19px;transform:translateY(-50%);z-index:2;
  width:34px;height:34px;border-radius:50%;background:var(--navy);color:var(--amber);
  display:flex;align-items:center;justify-content:center;font-size:.95rem;
  border:1px solid var(--line-dark);
}
.pipe-card:last-child .pipe-arrow{display:none}

/* diagnostic methods */
.methods{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden}
.method{
  background:var(--navy-2);padding:34px 26px;transition:background .2s;position:relative;
}
.method:hover{background:#15223C}
.method .sym{width:44px;height:44px;margin-bottom:20px}
.method .sym svg{width:100%;height:100%}
.method h3{font-size:1.06rem;margin-bottom:10px;color:#fff}
.method p{font-size:.88rem;color:var(--fog)}
.method .tag{
  font-family:var(--font-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-top:18px;display:block;
}

/* platform */
.platform-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.feature-list{list-style:none;margin-top:30px}
.feature-list li{
  display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line-light);
}
.feature-list li:last-child{border-bottom:1px solid var(--line-light)}
.feature-list .f-ic{
  flex:0 0 38px;height:38px;border-radius:9px;background:var(--navy);
  display:flex;align-items:center;justify-content:center;
}
.feature-list .f-ic svg{width:19px;height:19px}
.feature-list h4{font-size:.99rem;margin-bottom:3px}
.feature-list p{font-size:.88rem;color:var(--ink-soft)}
/* dashboard mock */
.dash{
  background:var(--navy);border-radius:var(--radius);border:1px solid var(--line-dark);
  overflow:hidden;box-shadow:0 26px 70px rgba(10,15,28,.28);
  font-family:var(--font-mono);
}
.dash-bar{display:flex;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line-dark)}
.dash-bar i{width:9px;height:9px;border-radius:50%;background:#2A3A55;display:block}
.dash-bar i:first-child{background:var(--amber)}
.dash-body{padding:22px}
.dash-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}
.dash-kpi{background:var(--navy-2);border:1px solid var(--line-dark);border-radius:9px;padding:13px 13px}
.dash-kpi .k{font-size:.58rem;letter-spacing:.1em;color:var(--fog);text-transform:uppercase}
.dash-kpi .v{font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:#fff;margin-top:5px}
.dash-kpi .v.warn{color:var(--amber)}
.dash-kpi .v.ok{color:var(--cyan)}
.dash-rows{border:1px solid var(--line-dark);border-radius:9px;overflow:hidden}
.dash-row{
  display:grid;grid-template-columns:1.5fr 1fr .8fr .8fr;gap:8px;align-items:center;
  padding:11px 14px;font-size:.7rem;color:var(--fog);border-top:1px solid var(--line-dark);
}
.dash-row:first-child{border-top:0;background:var(--navy-2);letter-spacing:.1em;text-transform:uppercase;font-size:.58rem}
.dash-row .name{color:#E7EDF6}
.pill{display:inline-block;padding:3px 9px;border-radius:99px;font-size:.6rem;letter-spacing:.05em}
.pill.crit{background:rgba(255,176,32,.14);color:var(--amber);border:1px solid rgba(255,176,32,.4)}
.pill.ok{background:rgba(61,214,195,.1);color:var(--cyan);border:1px solid rgba(61,214,195,.35)}
.pill.learn{background:rgba(159,176,199,.1);color:var(--fog);border:1px solid var(--line-dark)}
.dash-note{font-size:.62rem;color:#5B6B85;margin-top:14px;letter-spacing:.04em}

/* benefits */
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.benefit{
  border:1px solid var(--line-light);border-radius:var(--radius);padding:30px 26px;background:#fff;
}
.benefit .b-num{
  font-family:var(--font-display);font-weight:700;font-size:1.7rem;color:var(--amber-deep);
  display:block;margin-bottom:10px;
}
.benefit h3{font-size:1.04rem;margin-bottom:8px}
.benefit p{font-size:.9rem;color:var(--ink-soft)}

/* R&D / consortium */
.rnd-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start}
.partner-cards{display:grid;gap:18px}
.partner{
  background:var(--navy-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:28px;
}
.partner .role{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:10px}
.partner h3{color:#fff;margin-bottom:8px}
.partner p{font-size:.9rem;color:var(--fog)}
.trl{
  margin-top:36px;background:var(--navy-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:26px 28px;
}
.trl .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fog)}
.trl-bar{display:flex;gap:5px;margin:16px 0 10px}
.trl-bar i{flex:1;height:9px;border-radius:3px;background:#1B2940}
.trl-bar i.done{background:var(--cyan)}
.trl-bar i.target{background:var(--amber)}
.trl p{font-size:.84rem;color:var(--fog)}
.eu-teaser{
  margin-top:26px;display:flex;align-items:center;gap:18px;
  background:rgba(255,176,32,.06);border:1px solid rgba(255,176,32,.35);
  border-radius:var(--radius);padding:20px 24px;text-decoration:none;transition:background .2s;
}
.eu-teaser:hover{background:rgba(255,176,32,.11)}
.eu-teaser .eu-flag{flex:0 0 52px}
.eu-teaser strong{color:#fff;font-family:var(--font-display);display:block;font-size:.98rem}
.eu-teaser span{color:var(--fog);font-size:.84rem}
.eu-teaser .arr{margin-left:auto;color:var(--amber);font-size:1.3rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-card{border:1px solid var(--line-light);background:#fff;border-radius:var(--radius);padding:34px}
.contact-card h3{margin-bottom:18px}
.contact-card dl{display:grid;gap:14px}
.contact-card dt{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.contact-card dd{font-size:1rem;margin-top:2px}
.contact-card dd a{color:var(--ink);text-decoration-color:var(--amber)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form label{display:block;margin-bottom:14px}
form .lab{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);display:block;margin-bottom:7px}
input,textarea{
  width:100%;border:1px solid var(--line-light);border-radius:9px;padding:12px 14px;
  font-family:var(--font-body);font-size:.95rem;background:#fff;color:var(--ink);
}
input:focus,textarea:focus{outline:2px solid var(--amber);outline-offset:1px;border-color:transparent}
form button{width:100%;cursor:pointer;border:0;justify-content:center}
.form-note{font-size:.78rem;color:var(--ink-soft);margin-top:10px}

/* ---------- footer + EU strip ---------- */
.eu-strip{
  background:#fff;border-top:1px solid var(--line-light);padding:34px 0;
}
.eu-strip-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 28px;
  display:flex;align-items:center;gap:34px;flex-wrap:wrap;
}
.eu-strip .eu-flag{flex:0 0 78px}
.eu-strip .txt strong{font-family:var(--font-display);display:block;font-size:1.02rem}
.eu-strip .txt span{font-size:.86rem;color:var(--ink-soft)}
.eu-strip .mpo{
  margin-left:auto;font-family:var(--font-display);font-weight:600;font-size:.86rem;color:var(--ink-soft);
  text-align:right;line-height:1.35;
}
footer{background:var(--navy);color:var(--fog);padding:56px 0 36px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
footer h4{color:#fff;font-size:.95rem;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:9px}
footer a{color:var(--fog);text-decoration:none;font-size:.9rem}
footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:.8rem;color:#5B6B85}
.footer-brand p{font-size:.88rem;max-width:40ch;margin-top:14px}

/* ---------- EU project page ---------- */
.page-hero{background:var(--navy);color:#fff;padding:90px 0 70px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(159,176,199,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(159,176,199,.05) 1px,transparent 1px);background-size:56px 56px}
.page-hero .container{position:relative}
.page-hero h1{font-size:clamp(1.9rem,4vw,3rem);max-width:21ch}
.proj-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:start}
.proj-facts{border:1px solid var(--line-light);border-radius:var(--radius);background:#fff;overflow:hidden}
.proj-facts dl{display:grid}
.proj-facts div{display:grid;grid-template-columns:1fr 1.4fr;gap:14px;padding:16px 22px;border-top:1px solid var(--line-light)}
.proj-facts div:first-child{border-top:0}
.proj-facts dt{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);padding-top:3px}
.proj-facts dd{font-size:.92rem}
.proj-body h2{font-size:1.5rem;margin:38px 0 14px}
.proj-body h2:first-child{margin-top:0}
.proj-body p{color:var(--ink-soft);margin-bottom:14px}
.proj-body ul{padding-left:22px;color:var(--ink-soft);margin-bottom:14px}
.proj-body li{margin-bottom:7px}
.eu-banner{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  border:1px solid var(--line-light);border-radius:var(--radius);background:#fff;padding:28px;margin-bottom:44px;
}
.eu-banner .eu-flag{flex:0 0 86px}
.eu-banner strong{font-family:var(--font-display);font-size:1.12rem;display:block}
.eu-banner span{color:var(--ink-soft);font-size:.9rem}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1020px){
  .hero-inner,.platform-grid,.rnd-grid,.contact-grid,.proj-grid{grid-template-columns:1fr;gap:44px}
  .methods{grid-template-columns:repeat(2,1fr)}
  .pipeline{grid-template-columns:1fr}
  .pipe-arrow{display:none}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats>div{border-right:0;border-bottom:1px solid var(--line-dark)}
  .benefits{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;inset:68px 0 auto 0;background:var(--navy);
    flex-direction:column;align-items:flex-start;padding:24px 28px;gap:18px;
    border-bottom:1px solid var(--line-dark);
    transform:translateY(-130%);transition:transform .3s;
  }
  .nav-links.open{transform:none}
  .nav-burger{display:block}
  .methods,.benefits,.dash-kpis{grid-template-columns:1fr}
  .dash-kpis{grid-template-columns:repeat(2,1fr)}
  form .row{grid-template-columns:1fr}
  section{padding:72px 0}
  .eu-strip .mpo{margin-left:0;text-align:left}
}


/* ===== language switcher ===== */
.lang-switch{display:flex;gap:3px;align-items:center}
.lang-switch button{background:none;border:1px solid transparent;border-radius:6px;padding:4px 7px;
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.4px;color:var(--fog);opacity:.65;cursor:pointer;transition:.15s}
.lang-switch button:hover{opacity:1}
.lang-switch button.active{opacity:1;color:var(--amber);border-color:var(--amber)}

/* ===== Korean typography fallback ===== */
html[lang="ko"] body{font-family:'Inter','Noto Sans KR',system-ui,sans-serif}
html[lang="ko"] h1,html[lang="ko"] h2,html[lang="ko"] h3,html[lang="ko"] h4,
html[lang="ko"] .logo{font-family:'Space Grotesk','Noto Sans KR',sans-serif}


/* ===== language switcher: always visible in the bar on mobile ===== */
.lang-switch--bar{display:none;margin-left:auto;margin-right:6px}
@media(max-width:760px){
  .lang-switch--bar{display:flex}
  .nav-links .lang-switch{display:none}
  .nav-inner{gap:8px}
}


/* ===== nav robustness for longer translations ===== */
.nav-links a{white-space:nowrap}
.nav-links{flex-wrap:nowrap}
@media(max-width:1180px){.nav-links{gap:18px}}
@media(max-width:980px){
  .nav-links{
    position:fixed;inset:68px 0 auto 0;background:var(--navy);
    flex-direction:column;align-items:flex-start;padding:24px 28px;gap:18px;
    border-bottom:1px solid var(--line-dark);
    transform:translateY(-130%);transition:transform .3s;
  }
  .nav-links.open{transform:none}
  .nav-burger{display:block}
  .lang-switch--bar{display:flex}
  .nav-links .lang-switch{display:none}
}