/* Prípadová štúdia „svet značky“ (portfolio_case.php). Farby a písmo prichádzajú z lib/portfolio_cases.php cez CSS premenné. */

.cs {
  --cs-pad: clamp(16px, 3.2vw, 48px);
  --cs-gap: clamp(8px, 1vw, 14px);
  --cs-r: clamp(14px, 1.6vw, 26px);
  font-family: 'Poppins', sans-serif;
  color: var(--cs-ink);
  background: var(--cs-light);
  overflow-x: clip;
  stroke: none; /* style.css má globálnu triedu .cs (stroke: modrá) pre progress kruhy */
}
.cs svg, .cs svg * { stroke: none; }
.cs-visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.cs-h2, .cs-hero-tag, .cs-num {
  font-family: var(--cs-font);
  font-style: var(--cs-font-style);
  font-weight: var(--cs-font-weight);
}
.cs-h2 {
  text-transform: var(--cs-upper);
  font-size: clamp(2.6rem, 8vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0;
}

/* ---------- HERO (zaoblená karta ako na domove, menu sedí vo výreze bielej plochy) ---------- */
.cs-hero-wrap { background: var(--atx-white, #fff); padding: 21px; }
.cs-hero {
  position: relative;
  border-radius: 40px;
  min-height: calc(100svh - 42px);
  background: var(--cs-hero);
  color: var(--cs-hero-ink);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 110px var(--cs-pad) var(--cs-pad);
  overflow: hidden;
}
.cs-back {
  justify-self: start;
  display: inline-flex; gap: 8px; align-items: center;
  color: inherit; text-decoration: none; opacity: .8;
  font-size: .85rem; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase;
}
.cs-back:hover { opacity: 1; }
.cs-hero-motion { display: flex; align-items: center; justify-content: center; padding: 40px 0; }
.cs-hero-meta {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: end;
  border-top: 1px solid color-mix(in srgb, var(--cs-hero-ink) 25%, transparent);
  padding-top: 22px;
}
.cs-hero-tag { margin: 0; font-size: clamp(1.4rem, 3vw, 2.6rem); line-height: 1.1; color: var(--cs-accent); font-weight: 600 !important; }
.cs-hero-meta dl { margin: 0; display: grid; grid-template-columns: repeat(3, auto); gap: 24px; justify-content: end; }
.cs-hero-meta dt { font-size: .72rem; letter-spacing: 2px; text-transform: uppercase; opacity: .6; margin-bottom: 6px; }
.cs-hero-meta dd { margin: 0; font-weight: 400; font-size: .98rem; }
@media (max-width: 800px) {
  .cs-hero-wrap { padding: 12px; }
  .cs-hero { min-height: calc(88svh - 24px); padding-top: 96px; border-radius: 28px; }
  .cs-hero-meta { grid-template-columns: 1fr; gap: 18px; }
  .cs-hero-meta dl { grid-template-columns: 1fr 1fr; justify-content: start; }
  .cs-hero-meta dl div:last-child { grid-column: span 2; }
}

/* ---------- ÚVOD ---------- */
.cs-intro {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(28px, 6vw, 110px);
  padding: clamp(70px, 10vw, 150px) var(--cs-pad);
  background: var(--cs-light);
}
.cs-lead { margin: 0; font-family: 'Poppins', sans-serif; font-weight: 400; font-style: normal; font-size: clamp(1.5rem, 3vw, 2.8rem); line-height: 1.22; letter-spacing: -0.015em; color: var(--cs-ink); }
.cs-intro-text p { margin: 0 0 1.2em; font-size: clamp(1rem, 1.2vw, 1.12rem); line-height: 1.75; color: color-mix(in srgb, var(--cs-ink) 82%, transparent); }
@media (max-width: 800px) { .cs-intro { grid-template-columns: 1fr; } }

/* ---------- celoplošný obrázok ---------- */
.cs-bleed { margin: 0; padding: 0 var(--cs-gap); background: var(--cs-light); }
.cs-bleed img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; display: block; border-radius: var(--cs-r); }

/* rad obrázkov namiesto cover obrázka (lokey plagáty) */
.cs-bleed-grid { background: var(--cs-light); }

/* ---------- Čo sme pripravili (plocha vo farbe značky) ---------- */
.cs-deliver {
  margin-top: var(--cs-gap);
  background: var(--cs-accent);
  color: var(--cs-ink);
  padding: clamp(60px, 8vw, 120px) var(--cs-pad);
}
.cs-deliver ol { list-style: none; margin: clamp(36px, 5vw, 70px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.cs-deliver li { padding: 22px 26px 6px 0; border-top: 2px solid currentColor; }
.cs-deliver li + li { padding-left: 22px; border-left: 2px solid color-mix(in srgb, currentColor 18%, transparent); }
.cs-num { display: block; font-size: clamp(2.4rem, 4.6vw, 4.6rem); line-height: 1; margin-bottom: 18px; font-weight: 500 !important; font-style: normal !important; }
.cs-deliver h3 { margin: 0 0 8px; font-size: 1.15rem; font-weight: 600; }
.cs-deliver p { margin: 0; line-height: 1.6; font-size: .98rem; opacity: .85; }
@media (max-width: 1000px) {
  .cs-deliver ol { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .cs-deliver li:nth-child(3) { padding-left: 0; border-left: 0; }
}
@media (max-width: 560px) {
  .cs-deliver ol { grid-template-columns: 1fr; }
  .cs-deliver li + li { padding-left: 0; border-left: 0; }
}

/* ---------- Kapitoly ---------- */
.cs-chapter { padding: clamp(70px, 9vw, 140px) 0 var(--cs-gap); }
.cs-plane-light { background: var(--cs-light); color: var(--cs-ink); }
.cs-plane-brand { background: var(--cs-hero); color: var(--cs-hero-ink); }
.cs-chapter-head {
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 18px clamp(28px, 5vw, 90px); align-items: end;
  padding: 0 var(--cs-pad) clamp(40px, 5vw, 70px);
}
.cs-chapter-head .cs-num { grid-column: 1 / -1; font-size: 1rem; margin: 0; opacity: .7; letter-spacing: 1px; font-weight: 400 !important; }
.cs-chapter-head p { margin: 0; font-size: clamp(1rem, 1.2vw, 1.1rem); line-height: 1.75; opacity: .85; max-width: 52ch; }
.cs-plane-brand .cs-h2 { color: var(--cs-accent); }
@media (max-width: 800px) { .cs-chapter-head { grid-template-columns: 1fr; } }

.cs-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--cs-gap); padding: 0 var(--cs-gap); }
.cs-img { margin: 0; overflow: hidden; border-radius: var(--cs-r); background: color-mix(in srgb, currentColor 8%, transparent); }
.cs-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.2s cubic-bezier(.2,.8,.2,1); }
.cs-img:hover img { transform: scale(1.03); }
.cs-img--full { grid-column: span 12; aspect-ratio: 3 / 2; }
.cs-img--half { grid-column: span 6; aspect-ratio: 3 / 2; }
.cs-img--third { grid-column: span 4; aspect-ratio: 4 / 5; }
@media (max-width: 800px) {
  .cs-img--half { grid-column: span 12; }
  .cs-img--third { grid-column: span 12; }
}

/* ---------- Brand board ---------- */
.cs-brand, .cs-labels { display: grid; gap: var(--cs-gap); padding: 0 var(--cs-gap) var(--cs-gap); }
.cs-brand-video { border-radius: var(--cs-r); overflow: hidden; aspect-ratio: 16 / 9; }
.cs-brand-video video { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-stripes { display: flex; gap: var(--cs-gap); min-height: clamp(220px, 38vw, 520px); }
.cs-stripe {
  flex: 1 1 0; border-radius: var(--cs-r); padding: 22px; display: flex; flex-direction: column; justify-content: flex-end; min-width: 0;
  color: rgba(255,255,255,.95); text-shadow: 0 1px 2px rgba(0,0,0,.18);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.06);
  transition: flex-grow .7s cubic-bezier(.65,0,.35,1);
  will-change: flex-grow;
}
.cs-stripe:hover { flex-grow: 1.6; }
.cs-stripe span { font-weight: 500; font-size: clamp(.95rem, 1.4vw, 1.25rem); }
.cs-stripe b { font-weight: 500; font-size: .85rem; letter-spacing: 1px; opacity: .85; }
@media (max-width: 700px) {
  .cs-stripes { flex-direction: column; min-height: 0; }
  .cs-stripe { min-height: 92px; flex-direction: row; justify-content: space-between; align-items: flex-end; }
}
.cs-type {
  display: grid; grid-template-columns: auto 1fr 2fr; gap: 28px; align-items: center;
  border-radius: var(--cs-r); padding: clamp(24px, 4vw, 54px);
  background: color-mix(in srgb, var(--cs-hero) 10%, #fff);
  color: var(--cs-ink);
}
.cs-type-aa { font-size: clamp(4rem, 10vw, 9rem); font-weight: 900; line-height: .9; color: var(--cs-hero); }
.cs-type-name { font-size: 1.6rem; font-weight: 600; }
.cs-type-name small { display: block; font-size: .95rem; font-weight: 500; opacity: .75; }
.cs-type-abc { font-size: clamp(1rem, 2vw, 1.6rem); font-weight: 500; line-height: 1.3; letter-spacing: .04em; word-break: break-all; }
@media (max-width: 800px) { .cs-type { grid-template-columns: auto 1fr; } .cs-type-abc { grid-column: 1 / -1; } }

/* Postavičky */
.cs-chars { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--cs-gap); margin: 0 var(--cs-gap) var(--cs-gap); }
.cs-chars figure { margin: 0; border-radius: var(--cs-r); padding: 30px 20px 22px; text-align: center; background: #fff; }
.cs-chars figure:nth-child(2) { background: var(--cs-accent); }
.cs-chars figure:nth-child(3) { background: #F3A2C0; }
.cs-chars figure:nth-child(4) { background: #4FB96F; }
.cs-chars img { width: 100%; max-width: 260px; aspect-ratio: 1; object-fit: contain; display: block; margin: 0 auto 10px; animation: cs-bob 3.2s ease-in-out infinite; animation-delay: var(--d, 0s); }
.cs-chars figcaption { font-family: 'Poppins', sans-serif; font-weight: 500; text-transform: uppercase; font-size: 1.3rem; color: var(--cs-ink); }
@keyframes cs-bob { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-12px) rotate(3deg); } }
@media (max-width: 800px) { .cs-chars { grid-template-columns: 1fr 1fr; } }

/* Etikety */
.cs-labels-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--cs-gap); }
.cs-labels-grid img { width: 100%; height: auto; display: block; border-radius: var(--cs-r); }
@media (max-width: 700px) { .cs-labels-grid { grid-template-columns: 1fr; } }

/* ---------- Záver ---------- */
.cs-end { background: #2C253C; color: #fff; text-align: center; padding: clamp(80px, 10vw, 150px) var(--cs-pad) 40px; }
.cs-end h2 { font-weight: 800; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; margin: 0 0 16px; color: #fff; }
.cs-end p { margin: 0 0 30px; opacity: .8; font-size: 1.05rem; font-weight: 400; }
.cs-end-btn {
  display: inline-flex; gap: 8px; align-items: center; padding: 15px 30px; border-radius: 999px;
  background: hsl(var(--hue-1, 257), 100%, 60%); color: #fff; text-decoration: none; font-weight: 600;
  transition: transform .3s ease;
}
.cs-end-btn:hover { transform: translateY(-2px); }
.cs-pn { display: flex; justify-content: space-between; gap: 20px; margin-top: clamp(70px, 9vw, 120px); padding-top: 26px; border-top: 1px solid rgba(255,255,255,.15); text-align: left; }
.cs-pn a { color: #fff; text-decoration: none; font-weight: 500; font-size: 1.1rem; }
.cs-pn a.next { text-align: right; }
.cs-pn small { display: block; font-size: .7rem; letter-spacing: 2px; text-transform: uppercase; opacity: .6; font-weight: 600; }

/* =================== MOTION LOGÁ (hero) =================== */
.mo { width: min(78vw, 980px); position: relative; }
.mo svg { display: block; width: 100%; height: auto; overflow: visible; position: relative; }

/* lokey: písmená vbehnú zľava v sklone, oblúk sa dokreslí sprava, dráhy bežia na pozadí */
.mo-lokey { color: #F2EFEA; }
.mo-lokey path { transform-box: fill-box; transform-origin: 0 100%; animation: lk-in 1s cubic-bezier(.2,.9,.2,1) both; }
.mo-lokey .lk-l { animation-delay: .15s; } .mo-lokey .lk-o { animation-delay: .25s; }
.mo-lokey .lk-k { animation-delay: .35s; } .mo-lokey .lk-e { animation-delay: .45s; }
.mo-lokey .lk-y { animation-delay: .55s; }
.mo-lokey path.lk-arc { fill: #F4C7D3; transform-origin: 100% 50%; animation: lk-arc 1.1s .9s cubic-bezier(.6,0,.2,1) both, lk-arc-pulse 3.6s 2.2s ease-in-out infinite; }
@keyframes lk-in { from { transform: translateX(-140px) skewX(-18deg); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes lk-arc { from { clip-path: inset(0 0 0 100%); } to { clip-path: inset(0 0 0 0); } }
@keyframes lk-arc-pulse { 0%, 100% { transform: translateX(0) scaleX(1); } 50% { transform: translateX(-10px) scaleX(1.03); } }

/* steli: symbol sa vkotúľa, písmená vyskočia, symbol sa potom hojdá */
.mo-steli { width: min(76vw, 900px); }
.mo-steli path { transform-box: fill-box; transform-origin: 50% 100%; fill: #fff; animation: st-pop .8s cubic-bezier(.34,1.56,.64,1) both; }
.mo-steli path.st-sym { fill: #F1F76C; transform-origin: 50% 50%; animation: st-roll 1.1s cubic-bezier(.3,1.4,.5,1) both, st-wobble 3s 1.6s ease-in-out infinite; }
.mo-steli .st-s { animation-delay: .55s; } .mo-steli .st-t { animation-delay: .65s; } .mo-steli .st-e { animation-delay: .75s; }
.mo-steli .st-l { animation-delay: .85s; } .mo-steli .st-i { animation-delay: .95s; }
@keyframes st-roll { from { transform: translateX(-160%) rotate(-360deg) scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes st-pop { from { transform: translateY(60%) scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes st-wobble { 0%, 100% { transform: rotate(0); } 30% { transform: rotate(-10deg); } 60% { transform: rotate(8deg); } }
.mo-steli-ring { position: absolute; left: 2%; top: 50%; width: 28%; aspect-ratio: 1; border-radius: 50%; translate: 0 -50%; border: 3px solid rgba(241,247,108,.6); animation: st-ring 2.4s 1.2s ease-out infinite; }
@keyframes st-ring { from { transform: scale(.7); opacity: 1; } to { transform: scale(1.9); opacity: 0; } }

/* hana: dva poháre s etiketami „s tvárou“, etiketa sa otáča po valci, okolo plávajú smajlíky */
.mo-hana { width: min(94vw, 1240px); display: flex; justify-content: center; align-items: center; gap: clamp(18px, 5vw, 80px); min-height: clamp(320px, 52vw, 680px); }
.mo-hana { position: static; }
.mo-hana-smiles { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.mo-hana-smiles img { position: absolute; width: clamp(64px, 13%, 230px); opacity: .26; animation: hn-float 7s ease-in-out infinite; }
@keyframes hn-float { 0%, 100% { transform: translateY(0) rotate(-8deg); } 50% { transform: translateY(-22px) rotate(8deg); } }
.mo-jar { --w: clamp(140px, 27vw, 400px); width: var(--w); position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; transform-origin: 50% 100%;
  animation: jar-drop 1.1s cubic-bezier(.3,1.5,.5,1) both, jar-bob 3.4s 1.4s ease-in-out infinite; }
.mo-jar-2 { animation-delay: .25s, 2.1s; }
.mo-jar-lid { width: 86%; height: calc(var(--w) * .2); border-radius: 14px 14px 8px 8px; position: relative; z-index: 2; margin-bottom: -6px;
  background: repeating-linear-gradient(90deg, rgba(0,0,0,.06) 0 3px, transparent 3px 9px), linear-gradient(180deg, #FBF6EE, #E9DFCF); box-shadow: 0 4px 10px rgba(0,0,0,.18); }
.mo-jar-glass { width: 100%; height: calc(var(--w) * 1.02); border-radius: 22% 22% 16% 16% / 12% 12% 9% 9%; position: relative; overflow: hidden;
  background: linear-gradient(90deg, rgba(0,0,0,.35), transparent 22%, rgba(255,255,255,.12) 50%, transparent 78%, rgba(0,0,0,.35)), var(--jam);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.18), 0 30px 50px -20px rgba(0,0,0,.55); }
.mo-jar-label { position: absolute; left: 0; right: 0; top: 20%; height: 62%; background-size: auto 100%; background-repeat: no-repeat;
  background-position: 50% 50%; animation: jar-spin 6s ease-in-out infinite alternate; }
.mo-jar-2 .mo-jar-label { animation-delay: -3s; }
.mo-jar-label::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.38), rgba(0,0,0,0) 20%, rgba(255,255,255,.18) 46%, rgba(255,255,255,0) 58%, rgba(0,0,0,0) 80%, rgba(0,0,0,.38)); }
@keyframes jar-spin { from { background-position: 34% 50%; } to { background-position: 66% 50%; } }
@keyframes jar-drop { from { transform: translateY(-120%) rotate(-8deg); opacity: 0; } 60% { opacity: 1; } to { transform: none; opacity: 1; } }
@keyframes jar-bob { 0%, 100% { transform: translateY(0) rotate(0); } 25% { transform: translateY(-10px) rotate(-2deg); } 50% { transform: translateY(0) scaleY(.97); } 75% { transform: translateY(-6px) rotate(2deg); } }

@media (prefers-reduced-motion: reduce) {
  .mo *, .mo-jar, .mo-jar-label, .cs-chars img { animation: none !important; }
  .mo-steli-ring { display: none; }
}

/* =================== REVEAL pri scrolle =================== */
.cs-rv-on .cs [data-rv] {
  clip-path: inset(14% 8% 14% 8% round var(--cs-r));
  opacity: 0;
  transition: clip-path 1.1s cubic-bezier(.16,1,.3,1) var(--rv-d, 0s), opacity .6s ease var(--rv-d, 0s);
}
.cs-rv-on .cs [data-rv] img, .cs-rv-on .cs [data-rv] video { transform: scale(1.12); transition: transform 1.4s cubic-bezier(.16,1,.3,1) var(--rv-d, 0s); }
.cs-rv-on .cs [data-rv].is-in { clip-path: inset(0 0 0 0 round var(--cs-r)); opacity: 1; }
.cs-rv-on .cs [data-rv].is-in img, .cs-rv-on .cs [data-rv].is-in video { transform: none; }
.cs-rv-on .cs img[data-rv] { transform: none; }
.cs-rv-on .cs-stripe[data-rv] { clip-path: inset(55% 0 0 0 round var(--cs-r)); transition: clip-path 1.1s cubic-bezier(.16,1,.3,1) var(--rv-d, 0s), opacity .6s ease var(--rv-d, 0s), flex-grow .7s cubic-bezier(.65,0,.35,1); }
.cs-rv-on .cs-stripe[data-rv].is-in { clip-path: inset(0 0 0 0 round var(--cs-r)); }

/* Hero: karta sa otvorí od stredu, meta údaje vyjdú zdola */
.cs-hero { animation: cs-hero-in 1.1s cubic-bezier(.16,1,.3,1) both; }
@keyframes cs-hero-in { from { clip-path: inset(8% 6% 8% 6% round 40px); } to { clip-path: inset(0 0 0 0 round 40px); } }
.cs-hero-meta { animation: cs-up .9s .5s cubic-bezier(.16,1,.3,1) both; }
.cs-back { animation: cs-up .7s .3s cubic-bezier(.16,1,.3,1) both; }
@keyframes cs-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (max-width: 800px) { @keyframes cs-hero-in { from { clip-path: inset(6% 4% 6% 4% round 28px); } to { clip-path: inset(0 0 0 0 round 28px); } } }

@media (prefers-reduced-motion: reduce) {
  .cs-hero, .cs-hero-meta, .cs-back { animation: none !important; }
}

/* =================== Motion v karte portfólia =================== */
.pf2-card-motion { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; stroke: none; }
.pf2-card-motion svg, .pf2-card-motion svg * { stroke: none; }
.pf2-card-motion .mo { width: 64%; }
.pf2-card-motion .mo-steli { width: 62%; }
.pf2-card-motion .mo-hana { width: 92%; min-height: 0; gap: 6%; }
.pf2-card-motion .mo-jar { --w: clamp(80px, 13vw, 230px); }
.pf2-card-motion .mo-hana-smiles img { width: 13%; }
.pf2-card-motion:not(.is-in) .mo *, .pf2-card-motion:not(.is-in) .mo-jar { animation-play-state: paused; }

/* mobil: smajlíky nad a pod pohármi, aby neprekrývali poháre */
@media (max-width: 700px) {
  .cs-hero .mo-hana-smiles img { width: 22%; }
  .cs-hero .mo-hana-smiles img:nth-child(1) { left: 8% !important; top: 19% !important; }
  .cs-hero .mo-hana-smiles img:nth-child(2) { left: 70% !important; top: 18% !important; }
  .cs-hero .mo-hana-smiles img:nth-child(3), .cs-hero .mo-hana-smiles img:nth-child(4) { display: none; }
}