/* Kostumi Pust — Winter Frost art direction
   Cobalt / lemon / white, icy frost overlays, snow-crystal sparkle. */

:root{
  --cobalt: #1b3aa8;
  --cobalt-dark: #0f2066;
  --cobalt-soft: #35509e;
  --lemon: #f3cf2e;
  --lemon-soft: #fbe98a;
  --ice: #eef4ff;
  --frost: #d9e6fb;
  --ink: #0b1230;
  --paper: #fffdf6;
  --line: rgba(11,18,48,.12);
  --radius: 18px;
  --shadow-1: 0 1px 2px rgba(11,18,48,.08);
  --shadow-2: 0 18px 40px -16px rgba(11,18,48,.28);
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Serif", serif;
  --font-body: -apple-system, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

*{box-sizing:border-box;}
html,body{overflow-x:clip;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--font-display);line-height:1.08;margin:0 0 .5em;}
p{margin:0 0 1em;}
.container{width:min(1180px, 100% - 2.5rem);margin-inline:auto;}
.visually-hidden{
  position:absolute !important;
  width:1px;height:1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;
}
.hp{display:none !important;}

/* focus rings */
:focus-visible{
  outline:3px solid var(--cobalt);
  outline-offset:2px;
  border-radius:4px;
}
input[type="checkbox"], input[type="radio"]{accent-color:var(--cobalt);}

/* ===== grain / frost overlay ===== */
.grain-overlay{
  position:fixed;inset:0;
  width:100vw;height:100vh;
  pointer-events:none;
  z-index:2;
  opacity:.05;
  mix-blend-mode:multiply;
}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(255,253,246,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding-block:.7rem;
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);}
.brand svg{width:40px;height:40px;flex:none;}
.brand .wordmark{width:148px;height:28px;}
.main-nav{display:flex;align-items:center;gap:1.4rem;}
.main-nav ul{display:flex;gap:1.3rem;list-style:none;margin:0;padding:0;}
.main-nav a{
  text-decoration:none;font-weight:600;font-size:.95rem;
  position:relative;padding:.2rem 0;color:var(--cobalt-dark);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--lemon);transition:right .25s ease;
}
.main-nav a:hover::after, .main-nav a:focus-visible::after{right:0;}
.header-actions{display:flex;align-items:center;gap:.9rem;}
.cart-link{
  display:flex;align-items:center;gap:.4rem;text-decoration:none;color:var(--cobalt-dark);
  font-weight:700;position:relative;
}
.cart-link svg{width:24px;height:24px;}
.cart-count{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:20px;height:20px;padding:0 5px;border-radius:999px;
  background:var(--cobalt);color:#fff;font-size:.72rem;font-weight:800;
  transform:scale(1);transition:transform .25s cubic-bezier(.34,1.8,.64,1);
}
.cart-count.bump{transform:scale(1.35);}
.menu-toggle{
  display:none;border:none;background:none;cursor:pointer;padding:.3rem;
  width:44px;height:44px;align-items:center;justify-content:center;
}
.menu-toggle svg{width:26px;height:26px;}

@media (max-width: 860px){
  .main-nav{
    position:fixed;inset:0 0 0 auto;top:0;height:100vh;width:min(320px,86vw);
    background:var(--cobalt-dark);color:#fff;
    flex-direction:column;align-items:flex-start;padding:5.5rem 1.6rem 2rem;
    transform:translateX(100%);visibility:hidden;
    transition:transform .35s ease, visibility .35s ease;
    z-index:50;
  }
  .main-nav.open{transform:translateX(0);visibility:visible;}
  .main-nav ul{flex-direction:column;gap:1rem;width:100%;}
  .main-nav a{color:#fff;font-size:1.05rem;}
  .menu-toggle{display:flex;}
}

/* ===== buttons ===== */
.btn{
  --fill:0%;
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:700;font-size:.95rem;
  border:2px solid var(--cobalt);background:var(--cobalt);color:#fff;cursor:pointer;
  overflow:hidden;isolation:isolate;text-decoration:none;min-height:44px;
  transition:color .25s ease, border-color .25s ease;
}
.btn::before{
  content:"";position:absolute;inset:0;left:-100%;width:100%;
  background:var(--lemon);z-index:-1;transition:left .3s ease;
}
.btn:hover::before, .btn:focus-visible::before{left:0;}
.btn:hover, .btn:focus-visible{color:var(--cobalt-dark);}
.btn.btn-outline{background:transparent;color:var(--cobalt-dark);}
.btn.btn-outline::before{background:var(--cobalt-dark);}
.btn.btn-outline:hover, .btn.btn-outline:focus-visible{color:#fff;}
.btn.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.55);color:#fff;
}
.btn.btn-ghost::before{background:rgba(255,255,255,.9);}
.btn.btn-ghost:hover, .btn.btn-ghost:focus-visible{color:var(--cobalt-dark);}
.btn:disabled{opacity:.55;cursor:not-allowed;}
.btn.small{padding:.55rem 1.1rem;font-size:.85rem;min-height:38px;}

/* ===== reveal ===== */
.reveal{opacity:1;}
.reveal.js-hidden{
  opacity:0;transform:translateY(28px);clip-path:inset(0 0 12% 0);
}
.reveal.in-view{
  opacity:1;transform:translateY(0);clip-path:inset(0 0 0 0);
  transition:opacity .7s ease, transform .7s ease, clip-path .7s ease;
}
@media (prefers-reduced-motion: reduce){
  .reveal.js-hidden{opacity:1;transform:none;clip-path:none;}
}

/* ===== hero ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg, var(--ice) 0%, var(--paper) 72%);
  padding-top:2.5rem;
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 1fr;gap:2rem;align-items:center;
  padding-block:2.5rem 3.5rem;
}
.hero h1{
  font-size:clamp(2.6rem, 6vw, 4.6rem);
  color:var(--cobalt-dark);
  letter-spacing:-.01em;
}
.hero h1 em{
  font-style:normal;color:var(--cobalt);
  background:linear-gradient(90deg, var(--lemon-soft), var(--lemon));
  padding:0 .15em;border-radius:.2em;
}
.hero p.lead{font-size:1.15rem;max-width:34ch;color:var(--cobalt-dark);}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.4rem;}
.hero-art{position:relative;aspect-ratio:1/1;}
.hero-art svg{width:100%;height:100%;}
.hero-layer{transition:transform 1.1s cubic-bezier(.16,1,.3,1), opacity 1.1s ease;}
.hero.hero-anim .hero-layer{transform:translate(0,0);opacity:1;}
.hero .layer-back{transform:translate(-40px,-30px);opacity:0;}
.hero .layer-mid{transform:translate(36px,24px);opacity:0;}
.hero .layer-front{transform:translate(0,46px) scale(.96);opacity:0;}
@media (prefers-reduced-motion: reduce){
  .hero-layer{transition:none;transform:none !important;opacity:1 !important;}
}
.sparkle{position:absolute;inset:0;pointer-events:none;}
.sparkle .flake{animation:sparkle 4.5s ease-in-out infinite;}
@keyframes sparkle{
  0%,100%{opacity:.25;transform:scale(.9);}
  50%{opacity:.9;transform:scale(1.08);}
}
@media (prefers-reduced-motion: reduce){
  .sparkle .flake{animation:none;opacity:.6;}
}
@media (max-width: 820px){
  .hero-grid{grid-template-columns:1fr;padding-block:1.5rem 2.5rem;}
  .hero p.lead{max-width:none;}
}

/* ===== divider ===== */
.divider{display:block;width:100%;height:auto;}
.divider svg{display:block;width:100%;height:28px;}

/* ===== map composition (home) ===== */
.map-section{
  position:relative;padding-block:4rem;
  background:var(--cobalt-dark);
  color:#fff;
  overflow:hidden;
}
.map-section::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:
    radial-gradient(circle at 15% 25%, rgba(255,255,255,.08) 0, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(243,207,46,.1) 0, transparent 50%);
}
.map-section .map-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.3;filter:grayscale(1) contrast(1.1);mix-blend-mode:luminosity;
}
.map-canvas{
  position:relative;z-index:1;
  background:var(--cobalt);
  border-radius:var(--radius);
  padding:clamp(1.5rem, 4vw, 3rem);
  min-height:520px;
  box-shadow:var(--shadow-2);
  overflow:hidden;
}
.map-roads{position:absolute;inset:0;width:100%;height:100%;opacity:.5;}
.map-pins{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(auto-fit, minmax(230px,1fr));
  gap:1.6rem;
}
.pin-card{
  position:relative;background:var(--paper);color:var(--ink);
  border-radius:16px;padding:1.4rem 1.3rem 1.3rem;
  box-shadow:var(--shadow-2);
  transform:rotate(var(--tilt, -1.2deg));
  transition:transform .3s ease, box-shadow .3s ease;
  text-decoration:none;display:block;
}
.pin-card:hover, .pin-card:focus-visible{transform:rotate(0deg) translateY(-6px);}
.pin-card .pin-icon{
  width:40px;height:40px;color:var(--cobalt);margin-bottom:.6rem;
}
.pin-card h3{font-size:1.1rem;margin-bottom:.3rem;color:var(--cobalt-dark);}
.pin-card p{font-size:.92rem;color:var(--cobalt-soft);margin-bottom:0;}
.pin-card::after{
  content:"";position:absolute;left:28px;bottom:-12px;width:14px;height:14px;
  background:var(--lemon);border-radius:50%;box-shadow:0 10px 0 -3px rgba(11,18,48,.25);
}
.pin-card:nth-child(1){--tilt:-1.4deg;}
.pin-card:nth-child(2){--tilt:1.1deg;}
.pin-card:nth-child(3){--tilt:-.8deg;}
.pin-card:nth-child(4){--tilt:1.6deg;}

/* ===== section heading ===== */
.section-head{max-width:640px;margin-bottom:2.2rem;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;
  font-size:.78rem;color:var(--cobalt);font-weight:700;margin-bottom:.6rem;
}
.section-head .eyebrow svg{width:18px;height:18px;}
.section-head.light .eyebrow{color:var(--lemon);}
.light .section-head p{color:rgba(255,255,255,.78);}

section{padding-block:4rem;}

/* ===== size finder (signature feature) ===== */
.finder{
  background:var(--ice);
  border:1px solid var(--frost);
  border-radius:var(--radius);
  padding:clamp(1.6rem,4vw,3rem);
  display:grid;grid-template-columns:1fr 1fr;gap:2.2rem;
  position:relative;
}
.finder-art{color:var(--cobalt);}
.finder-art svg{width:100%;height:auto;max-width:280px;}
.finder-form .field-row{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1rem;}
.finder-form label{
  display:block;font-weight:700;font-size:.85rem;margin-bottom:.35rem;color:var(--cobalt-dark);
}
.finder-form .field{flex:1;min-width:140px;}
.finder-form input[type="number"], .finder-form select{
  width:100%;padding:.7rem .8rem;border-radius:10px;border:1.5px solid var(--frost);
  background:#fff;font-size:1rem;min-height:44px;
}
.finder-form select{appearance:auto;}
.finder-result{
  margin-top:1.1rem;padding:1rem 1.2rem;border-radius:12px;
  background:#fff;border:1.5px dashed var(--cobalt);display:none;
}
.finder-result.show{display:block;}
.finder-result .size-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:3.2rem;height:2.4rem;padding:0 .6rem;border-radius:8px;
  background:var(--lemon);color:var(--cobalt-dark);font-weight:800;font-size:1.1rem;margin-right:.6rem;
}
@media (max-width:820px){
  .finder{grid-template-columns:1fr;}
  .finder-art{order:2;max-width:200px;}
}

/* ===== product grid / strip ===== */
.product-grid{
  display:grid;grid-template-columns:repeat(auto-fill, minmax(230px,1fr));gap:1.6rem;
}
.product-strip{
  display:flex;gap:1.2rem;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:.6rem;margin:0 -1.25rem;padding-inline:1.25rem;
}
.product-strip .product-card{scroll-snap-align:start;min-width:230px;}
@media (min-width:860px){
  .product-strip{display:grid;grid-template-columns:repeat(4,1fr);margin:0;padding-inline:0;overflow:visible;}
}
.product-card{
  background:#fff;border-radius:16px;border:1px solid var(--line);
  overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .3s ease, box-shadow .3s ease;
}
.product-card:hover, .product-card:focus-visible{
  transform:translateY(-6px);box-shadow:var(--shadow-2);
}
.product-card .thumb{aspect-ratio:4/3;overflow:hidden;position:relative;}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.product-card:hover .thumb img{transform:scale(1.07);}
.product-card .badge{
  position:absolute;top:.6rem;left:.6rem;background:var(--lemon);color:var(--cobalt-dark);
  font-size:.72rem;font-weight:800;padding:.25rem .55rem;border-radius:999px;
}
.product-card .body{padding:1rem 1.1rem 1.2rem;flex:1;display:flex;flex-direction:column;}
.product-card h3{font-size:1.02rem;margin-bottom:.3rem;}
.product-card .price{
  margin-top:auto;font-weight:800;color:var(--cobalt-dark);font-size:1.05rem;font-family:var(--font-mono);
}
.product-card .excerpt{font-size:.88rem;color:var(--cobalt-soft);margin-bottom:.6rem;}

.filter-bar{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2rem;}
.filter-bar button{
  border:1.5px solid var(--frost);background:#fff;border-radius:999px;
  padding:.5rem 1rem;font-weight:700;cursor:pointer;font-size:.85rem;color:var(--cobalt-dark);
  min-height:40px;transition:background .2s ease,color .2s ease;
}
.filter-bar button.active{background:var(--cobalt);color:#fff;border-color:var(--cobalt);}

/* ===== badges / seal ===== */
.seal-row{display:flex;gap:2.2rem;flex-wrap:wrap;align-items:center;}
.seal{width:92px;height:92px;flex:none;color:var(--cobalt-dark);}

/* ===== footer ===== */
.site-footer{
  background:var(--cobalt-dark);color:#fff;padding-block:3.5rem 1.6rem;position:relative;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:2rem;margin-bottom:2.4rem;
}
.footer-grid h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:1rem;color:var(--lemon-soft);}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem;}
.footer-grid a{text-decoration:none;color:rgba(255,255,255,.85);font-size:.92rem;}
.footer-grid a:hover{color:var(--lemon);}
.footer-brand .brand{color:#fff;}
.footer-brand p{color:rgba(255,255,255,.7);font-size:.9rem;max-width:26ch;}
.newsletter-form{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.6rem;}
.newsletter-form input[type="email"]{
  flex:1;min-width:160px;padding:.7rem .9rem;border-radius:10px;border:none;font-size:.92rem;min-height:44px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.15);padding-top:1.4rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;
  font-size:.85rem;color:rgba(255,255,255,.7);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}

/* ===== icons ===== */
.icon{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;}

/* ===== generic page layout ===== */
.page-hero{
  background:var(--ice);padding-block:3rem 2.5rem;border-bottom:1px solid var(--line);
}
.page-hero h1{color:var(--cobalt-dark);font-size:clamp(2rem,4.5vw,3.1rem);}
.page-hero p{color:var(--cobalt-soft);max-width:60ch;}
.prose h2{color:var(--cobalt-dark);font-size:1.5rem;margin-top:2rem;}
.prose ul{padding-left:1.2rem;}
.content-block{max-width:760px;}

/* ===== forms (contact / checkout / order) ===== */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.4rem,3vw,2.4rem);box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
.form-grid .full{grid-column:1/-1;}
.field{margin-bottom:1.1rem;}
.field label{display:block;font-weight:700;margin-bottom:.4rem;font-size:.9rem;}
.field input, .field textarea, .field select{
  width:100%;padding:.75rem .9rem;border-radius:10px;border:1.5px solid var(--line);
  font-size:1rem;font-family:inherit;min-height:44px;
}
.field textarea{min-height:120px;}
.field.error input, .field.error textarea{border-color:#c0392b;}
.field .error-msg{color:#c0392b;font-size:.82rem;margin-top:.3rem;display:none;}
.field.error .error-msg{display:block;}
.form-status{margin-top:1rem;font-weight:700;}
.form-status.ok{color:#1c7c3e;}
.form-status.err{color:#c0392b;}
@media (max-width:700px){.form-grid{grid-template-columns:1fr;}}

/* ===== cookie banner ===== */
.cookie-banner{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:80;
  background:var(--cobalt-dark);color:#fff;border-radius:16px;
  padding:1.2rem 1.4rem;box-shadow:var(--shadow-2);
  display:flex;gap:1rem;flex-wrap:wrap;align-items:center;justify-content:space-between;
  max-width:860px;margin-inline:auto;
  transform:translateY(130%);transition:transform .4s ease;
}
.cookie-banner.show{transform:translateY(0);}
.cookie-banner p{margin:0;font-size:.9rem;max-width:46ch;color:rgba(255,255,255,.9);}
.cookie-banner a{color:var(--lemon-soft);text-decoration:underline;}
.cookie-actions{display:flex;gap:.7rem;flex-wrap:wrap;}

/* ===== cart page ===== */
.cart-table{width:100%;border-collapse:collapse;margin-bottom:1.5rem;}
.cart-table th{text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--cobalt-soft);padding:.6rem;border-bottom:2px solid var(--line);}
.cart-table td{padding:.8rem .6rem;border-bottom:1px solid var(--line);vertical-align:middle;}
.cart-item-info{display:flex;align-items:center;gap:.8rem;}
.cart-item-info img{width:64px;height:64px;object-fit:cover;border-radius:10px;}
.qty-input{width:64px;padding:.4rem;border:1.5px solid var(--line);border-radius:8px;min-height:40px;}
.cart-remove{background:none;border:none;color:#c0392b;cursor:pointer;font-weight:700;font-size:.85rem;}
.cart-summary{display:flex;justify-content:flex-end;}
.cart-summary table{min-width:280px;}
.cart-summary td{padding:.4rem .6rem;}
.cart-empty{text-align:center;padding:3rem 1rem;color:var(--cobalt-soft);}

/* ===== product detail ===== */
.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;align-items:start;}
.product-hero .thumb{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2);}
.product-hero .thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.product-hero h1{color:var(--cobalt-dark);font-size:clamp(1.8rem,3.5vw,2.6rem);}
.price-big{font-family:var(--font-mono);font-size:1.6rem;font-weight:800;color:var(--cobalt);margin-bottom:1rem;}
@media (max-width:820px){.product-hero{grid-template-columns:1fr;}}

/* ===== faq ===== */
.faq-item{border-bottom:1px solid var(--line);padding:1rem 0;}
.faq-item summary{
  cursor:pointer;font-weight:700;font-size:1.05rem;color:var(--cobalt-dark);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .chevron{transition:transform .25s ease;flex:none;}
.faq-item[open] summary .chevron{transform:rotate(180deg);}
.faq-item p{margin-top:.8rem;color:var(--cobalt-soft);}

/* ===== 404 ===== */
.not-found{
  min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:4rem 1.5rem;background:var(--ice);
}
.not-found svg{width:180px;height:180px;margin-bottom:1rem;}

/* ===== util ===== */
.text-center{text-align:center;}
.mt-2{margin-top:2rem;}
.flex-wrap{display:flex;flex-wrap:wrap;gap:1rem;}