/* ==========================================================================
   Articheck — web design system
   Tmavé pozadie + oranžový akcent (parita s appkou / DesignSystem).
   ========================================================================== */

:root {
  /* Paleta (mirror DS dark) */
  --bg:            #0E0E10;
  --bg-elev:       #17171A;
  --card:          #1C1C20;
  --card-hover:    #232329;
  --border:        #2C2C33;
  --border-subtle: #232329;

  --text:          #F5F5F7;
  --text-2:        #B8B8C0;
  --text-3:        #7C7C85;

  --accent:        #FF7A1A;
  --accent-soft:   #FF9B4D;
  --accent-deep:   #E85D00;
  --green:         #43C463;

  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --maxw: 1120px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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 glow za obsahom (subtílny brand touch) */
.glow-bg { position: relative; }
.glow-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 80% -10%, rgba(255,122,26,.14), transparent 60%),
    radial-gradient(700px 500px at 0% 20%, rgba(67,196,99,.06), transparent 60%);
  pointer-events: none; z-index: 0;
}

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14,14,16,.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .3px; }
.brand .dot { width: 42px; height: 42px; object-fit: contain; }
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--text-2); font-weight: 600; font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* Prepínač jazyka */
.lang { display: inline-flex; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-pill); overflow: hidden; }
.lang button, .lang a {
  border: 0; background: transparent; color: var(--text-3); text-decoration: none;
  font: 600 13px/1 var(--font); padding: 8px 12px; cursor: pointer; transition: all .2s;
}
.lang button.active, .lang a.active { background: var(--accent); color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; font-size: 16px; padding: 14px 24px;
  border-radius: var(--radius-pill); border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: linear-gradient(180deg, var(--accent-soft), var(--accent)); color: #fff; box-shadow: 0 10px 30px rgba(255,122,26,.35); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(255,122,26,.5); }
.btn-ghost { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.09); }

/* Store badges */
.stores { display: flex; gap: 14px; flex-wrap: wrap; }
.store {
  display: inline-flex; align-items: center; gap: 12px;
  background: #000; border: 1px solid var(--border); border-radius: 14px;
  padding: 10px 18px; min-width: 200px; transition: transform .15s, border-color .2s;
}
.store:hover { transform: translateY(-2px); border-color: var(--accent); }
.store svg { width: 28px; height: 28px; flex: none; }
.store .s-small { display: block; font-size: 11px; color: var(--text-3); line-height: 1.2; margin-bottom: 2px; }
.store .s-big { display: block; font-size: 18px; font-weight: 700; color: #fff; line-height: 1.1; }

/* ---------- Hero ---------- */
/* ---- Celostránkové fixné pozadie (kuchyňa → bylinky → fermentácia) ---- */
html { background: #0E0E10; }
body.glow-bg { background: transparent; }
.page-bg {
  position: fixed; inset: 0; z-index: -2;
  background: #0E0E10 url('../assets/hero-tall.jpg') center top / cover no-repeat;
  will-change: background-position;
}
.page-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(14,14,16,.80) 0%, rgba(14,14,16,.5) 46%, rgba(14,14,16,.42) 100%);
}
.hero { position: relative; padding: 90px 0 70px; z-index: 1; min-height: 620px; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 13px; }
.hero h1 { font-size: clamp(38px, 5vw, 60px); line-height: 1.05; font-weight: 850; letter-spacing: -.5px; margin: 16px 0; }
.hero h1 .hl { color: var(--accent); }
.hero p.lead { font-size: 20px; color: var(--text-2); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-direction: column; gap: 22px; }

.phone-mock {
  border-radius: 34px; overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--shadow); background: var(--card); aspect-ratio: 9/19.5; max-width: 320px; margin: 0 auto;
}
.phone-mock img { width: 100%; height: 100%; object-fit: cover; }

/* ============ Živá ukážka appky (realistický telefón s iframe) ============ */
.hero-copy,.hero-visual{min-width:0}
.hero-visual{overflow:hidden}
.device-wrap{display:flex;justify-content:center;margin:0 auto;width:100%;min-width:0;overflow:hidden}
.device{
  width:420px; margin:0 auto; position:relative;
  padding:14px; border-radius:60px; transform-origin:top center;
  background:linear-gradient(150deg,#4a4b4f 0%,#232427 28%,#0d0e10 70%,#050506 100%);
  box-shadow:0 50px 110px rgba(0,0,0,.65), 0 0 0 2px rgba(255,255,255,.05),
             inset 0 2px 3px rgba(255,255,255,.14), inset 0 -2px 4px rgba(0,0,0,.6);
}
.device-screen{
  position:relative; height:850px; border-radius:48px; overflow:hidden; background:#0E0E10;
  box-shadow:inset 0 0 0 2px #000, inset 0 0 0 3px rgba(255,255,255,.04);
}
.device-status{
  height:46px; display:flex; align-items:center; justify-content:space-between;
  padding:0 32px 0 36px; background:#0E0E10; position:relative; z-index:2;
}
.ds-time{font:600 15px/1 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f4f2ec;letter-spacing:.3px}
.ds-island{position:absolute;left:50%;top:9px;transform:translateX(-50%);width:112px;height:29px;background:#000;border-radius:16px}
.ds-icons{width:78px;height:14px}
.device-screen iframe{width:100%;height:calc(100% - 46px);border:0;display:block;background:#0E0E10}

/* ============ Interaktívny telefón (ukážka appky) ============ */
.app-phone{
  --o:#ff7a1a; --o2:#ff9436; --ink:#f4f2ec; --mut:#9a978f; --grn:#34c759;
  --cardbg:#161719; --cardbd:rgba(255,255,255,.08); --line:rgba(255,255,255,.06);
  width:330px; max-width:100%; height:660px; margin:0 auto; position:relative;
  background:#0d0e0f; border:1px solid rgba(255,255,255,.14); border-radius:44px;
  box-shadow:0 40px 90px rgba(0,0,0,.6), 0 0 0 8px rgba(255,255,255,.02);
  display:flex; flex-direction:column; overflow:hidden;
}
.ap-statusbar{display:flex;justify-content:space-between;align-items:center;padding:14px 26px 6px;font-size:13px;font-weight:700;color:var(--ink);flex:none}
.ap-sig{display:inline-flex;align-items:center;gap:3px}
.ap-sig i{width:3px;height:9px;background:var(--ink);border-radius:1px;display:inline-block;opacity:.9}
.ap-sig i:nth-child(1){height:5px}.ap-sig i:nth-child(2){height:7px}
.ap-sig b{width:20px;height:11px;border:1.5px solid var(--ink);border-radius:3px;display:inline-block;margin-left:3px;position:relative}
.ap-sig b::after{content:"";position:absolute;inset:2px;background:var(--ink);border-radius:1px}

.ap-screens{flex:1;position:relative;overflow:hidden}
.ap-screen{position:absolute;inset:0;overflow-y:auto;padding:6px 16px 20px;display:none;-webkit-overflow-scrolling:touch}
.ap-screen.is-active{display:block}
.ap-screen::-webkit-scrollbar{width:0}

.ap-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin:6px 2px 12px}
.ap-h1{font-size:26px;font-weight:850;color:var(--ink);letter-spacing:-.4px;line-height:1.1}
.ap-sub{font-size:12.5px;color:var(--mut);margin-top:3px;display:flex;align-items:center;gap:6px}
.ap-sub .dot{width:7px;height:7px;border-radius:50%;background:var(--grn);display:inline-block}
.ap-pill{background:linear-gradient(135deg,var(--o),var(--o2));color:#1a0e02;font-weight:800;font-size:11.5px;padding:7px 12px;border-radius:999px;white-space:nowrap;flex:none}

.ap-prog{display:flex;align-items:center;gap:10px;margin:0 2px 14px;font-size:11.5px;color:var(--mut)}
.ap-prog-bar{flex:1;height:7px;background:rgba(255,255,255,.08);border-radius:4px;overflow:hidden}
.ap-prog-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--o),var(--o2));width:25%;transition:width .3s}

.ap-card{background:var(--cardbg);border:1px solid var(--cardbd);border-radius:16px;padding:13px 14px;margin-bottom:10px}
.ap-row{display:flex;align-items:center;gap:12px;cursor:pointer;border-color:rgba(255,122,26,.32)}
.ap-row b{font-size:14px;color:var(--ink);display:block}
.ap-row small{font-size:11.5px;color:var(--mut);display:block;margin-top:2px}
.ap-ic{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:15px;flex:none;background:rgba(255,122,26,.14);color:var(--o)}
.ap-ic.o{color:var(--o)}
.ap-chev{margin-left:auto;color:var(--mut);font-size:18px}

.ap-label{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--o);margin:16px 2px 8px}

.ap-event{cursor:pointer;border-color:rgba(255,122,26,.35)}
.ap-ev-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.ap-tag{background:var(--o);color:#1a0e02;font-weight:800;font-size:10px;padding:3px 8px;border-radius:6px}
.ap-ev-cnt{font-size:11px;color:var(--mut);font-weight:700}
.ap-ev-title{font-size:14px;font-weight:700;color:var(--ink);line-height:1.25}
.ap-ev-meta{font-size:12px;color:var(--mut);margin-top:5px}
.ap-mini{height:5px;background:rgba(255,255,255,.08);border-radius:3px;margin-top:9px;overflow:hidden}
.ap-mini i{display:block;height:100%;background:linear-gradient(90deg,var(--o),var(--o2))}

.ap-tasks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.ap-task{display:flex;align-items:center;gap:11px;background:var(--cardbg);border:1px solid var(--cardbd);border-radius:13px;padding:11px 12px;cursor:pointer}
.ap-ck{width:21px;height:21px;border-radius:6px;border:1.6px solid rgba(255,255,255,.28);flex:none;position:relative;transition:.15s}
.ap-task.is-done .ap-ck{background:var(--grn);border-color:var(--grn)}
.ap-task.is-done .ap-ck::after{content:"✓";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#06210d;font-size:13px;font-weight:900}
.ap-tx{font-size:13px;color:var(--ink);line-height:1.3}
.ap-task.is-done .ap-tx{color:var(--mut);text-decoration:line-through}
.ap-x{color:var(--mut);font-size:11px;background:rgba(255,255,255,.06);padding:1px 6px;border-radius:6px;margin-left:2px}
.ap-link{margin-left:auto;color:var(--o);font-size:11.5px;font-weight:700;white-space:nowrap}

.ap-seg{display:flex;background:var(--cardbg);border:1px solid var(--cardbd);border-radius:12px;padding:3px;margin:0 2px 12px}
.ap-seg button{flex:1;border:0;background:transparent;color:var(--mut);font-size:12.5px;font-weight:700;padding:8px;border-radius:9px;cursor:pointer}
.ap-seg button.is-active{background:rgba(255,122,26,.16);color:var(--o)}
.ap-chips{display:flex;gap:8px;margin:0 2px 14px}
.ap-chip{font-size:12px;color:var(--mut);border:1px solid var(--cardbd);border-radius:999px;padding:6px 14px;cursor:pointer}
.ap-chip.is-active{background:rgba(255,122,26,.14);border-color:rgba(255,122,26,.4);color:var(--o)}

.ap-day{display:flex;align-items:center;justify-content:space-between;background:var(--cardbg);border:1px solid var(--cardbd);border-radius:13px;padding:8px 10px;margin:0 2px 14px}
.ap-day span{font-size:13.5px;font-weight:700;color:var(--ink)}
.ap-day-nav{width:32px;height:32px;border-radius:9px;border:0;background:rgba(255,122,26,.14);color:var(--o);font-size:18px;cursor:pointer}
.ap-sect{margin-bottom:14px}
.ap-sect-h{font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--o);margin:0 2px 7px}
.ap-shift{display:flex;align-items:center;gap:10px;background:var(--cardbg);border:1px solid var(--cardbd);border-radius:12px;padding:10px 12px;margin-bottom:7px}
.ap-av{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#3a3b3d,#26272a);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:var(--ink);flex:none}
.ap-shift b{font-size:13px;color:var(--ink);font-weight:600}
.ap-shift small{font-size:11.5px;color:var(--mut);margin-left:auto}

.ap-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ap-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;background:var(--cardbg);border:1px solid var(--cardbd);border-radius:15px;padding:18px 8px;font-size:22px;color:var(--ink);cursor:pointer}
.ap-tile span{font-size:12.5px;font-weight:600;color:var(--ink)}
.ap-tile:hover{border-color:rgba(255,122,26,.4)}

.ap-detail{background:#0d0e0f}
.ap-back{border:0;background:transparent;color:var(--o);font-size:14px;font-weight:700;padding:2px 0 10px;cursor:pointer}
.ap-note{background:rgba(255,122,26,.08);border:1px solid rgba(255,122,26,.25);border-radius:12px;padding:10px 12px;font-size:12px;color:#f0d9c4;margin:10px 0 4px}
.ap-ing,.ap-steps{margin:0;padding-left:18px;color:var(--ink);font-size:13px;line-height:1.7}
.ap-ing{list-style:disc}.ap-steps{list-style:decimal}

.ap-tabs{display:flex;background:rgba(16,17,18,.96);border-top:1px solid var(--line);padding:8px 6px 12px;flex:none}
.ap-tabs button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;border:0;background:transparent;color:var(--mut);font-size:10px;font-weight:600;cursor:pointer;padding:4px 0}
.ap-tic{font-size:16px;line-height:1}
.ap-tabs button.is-active{color:var(--o)}
.ap-tabs button.is-active .ap-tic{filter:drop-shadow(0 0 6px rgba(255,122,26,.5))}

.ap-toast-el{position:absolute;left:50%;bottom:78px;transform:translateX(-50%) translateY(12px);background:rgba(20,21,22,.96);border:1px solid var(--cardbd);color:var(--ink);font-size:12px;padding:9px 16px;border-radius:999px;opacity:0;pointer-events:none;transition:.25s;white-space:nowrap;z-index:5}
.ap-toast-el.show{opacity:1;transform:translateX(-50%) translateY(0)}

.ap-hint{text-align:center;font-size:12.5px;color:var(--mut);margin-top:14px}

@media (max-width:900px){ .app-phone{height:620px} }
@media (max-width:520px){ .app-phone{width:300px;height:600px} .ap-hint{font-size:12px} }

/* ---------- Sections ---------- */
section.block { padding: 80px 0; position: relative; z-index: 1; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; letter-spacing: -.4px; }
.section-head p { color: var(--text-2); font-size: 18px; margin-top: 12px; }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  padding: 28px; transition: transform .18s, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--border); background: var(--card-hover); }
.card .ico {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,122,26,.14); color: var(--accent); font-size: 22px; margin-bottom: 16px;
}
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.card p { color: var(--text-2); font-size: 15px; }

/* Steps (návody) */
.steps { display: grid; gap: 18px; max-width: 820px; margin: 0 auto; }
.step {
  display: grid; grid-template-columns: 48px 1fr; gap: 20px; align-items: start;
  background: var(--card); border: 1px solid var(--border-subtle); border-radius: var(--radius);
  padding: 22px 24px;
}
.step .num {
  width: 44px; height: 44px; border-radius: var(--radius-pill); display: grid; place-items: center;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent)); color: #fff; font-weight: 800; font-size: 18px;
}
.step h3 { font-size: 18px; margin-bottom: 6px; }
.step p { color: var(--text-2); font-size: 15px; }

/* CTA band */
.cta {
  text-align: center; background:
    radial-gradient(500px 300px at 50% 0%, rgba(255,122,26,.18), transparent 70%), var(--bg-elev);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 56px 32px;
}
.cta h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; }
.cta p { color: var(--text-2); font-size: 18px; margin: 12px auto 28px; max-width: 520px; }

/* ---------- Legal / prose ---------- */
.prose { max-width: 780px; margin: 0 auto; padding: 40px 0 20px; }
.prose h1 { font-size: 36px; font-weight: 800; margin-bottom: 8px; }
.prose .updated { color: var(--text-3); font-size: 14px; margin-bottom: 28px; }
.prose h2 { font-size: 22px; margin: 32px 0 12px; color: var(--text); }
.prose p, .prose li { color: var(--text-2); margin-bottom: 12px; }
.prose ul { padding-left: 22px; margin-bottom: 16px; }
.prose a { color: var(--accent); }

/* ---------- Footer ---------- */
footer.foot { border-top: 1px solid var(--border-subtle); padding: 48px 0 40px; background: var(--bg-elev); }
.foot-grid { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.foot-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-3); margin-bottom: 14px; }
.foot-col a { display: block; color: var(--text-2); font-size: 15px; margin-bottom: 10px; transition: color .2s; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { margin-top: 36px; color: var(--text-3); font-size: 14px; }

/* ---------- Utilities ---------- */
.center { text-align: center; }
.hidden { display: none !important; }
[data-i18n] { transition: opacity .12s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .features { grid-template-columns: 1fr 1fr; }
  .nav-links { gap: 16px; }
  .nav-links .hide-sm { display: none; }
}
@media (max-width: 620px) {
  .features { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
  .store { min-width: 0; flex: 1; }
  .nav-links a.nav-item { display: none; }
  /* Prihlásenie musí ostať dostupné aj na telefóne */
  .nav-links a.nav-item.login-link {
    display: inline-flex; align-items: center; white-space: nowrap;
    padding: 7px 14px; border-radius: 999px;
    background: var(--accent, #ff7a1a); color: #fff; font-size: 13px; font-weight: 700;
  }
  /* Uvoľni miesto v hlavičke — sťahovanie je aj v hero a pätičke */
  .nav-links .btn-ghost { display: none; }
  .nav-links { gap: 8px; flex-shrink: 0; }

  /* Hlavička: zmenši prvky, nech sa wordmark „Articheck" neprekrýva s tlačidlom */
  .nav-inner { gap: 10px; }
  .brand { font-size: 17px; gap: 8px; flex-shrink: 0; }
  .brand .dot { width: 32px; height: 32px; }
  .nav-links a.nav-item.login-link { padding: 6px 12px; font-size: 12px; }
  .lang button, .lang a { padding: 6px 9px; font-size: 12px; }

  /* --- Mobilný polish: tesnejšie a vycentrované, aby to pôsobilo profi --- */
  section.block { padding: 52px 0; }
  .section-head { margin-bottom: 28px; }
  .section-head p { font-size: 16px; }

  /* Hero vycentrovaný pod telefónom */
  .hero { padding: 36px 0 40px; }
  .hero-copy { text-align: center; }
  .hero h1 { margin: 12px 0; }
  .hero p.lead { font-size: 17px; margin: 0 auto 26px; }
  .hero-actions { align-items: center; }
  .stores { justify-content: center; width: 100%; }
  .store { flex: 1 1 100%; min-width: 0; justify-content: center; }
  .phone-mock { max-width: 250px; }

  /* CTA pásy */
  .cta { padding: 40px 22px; }
  .cta p { font-size: 16px; }

  /* Pätička ako úhľadná 2-stĺpcová mriežka */
  .foot-grid { gap: 28px 24px; }
  .foot-col { flex: 1 1 40%; }
}

/* Veľmi úzke displeje (staršie/malé Androidy): v hlavičke nechaj len ikonu,
   nech text „Articheck" nikdy nenabehne na tlačidlo Prihlásiť sa. */
@media (max-width: 340px) {
  .brand { font-size: 0; gap: 0; }
  .brand .dot { width: 30px; height: 30px; }
}