/* ============================================================
   Ruvin Wijesinghe — wildlife photographs
   Design tokens + components. Front-end only, no backend.
   ============================================================ */

:root{
  --paper:#e3e2db;        /* gallery wall */
  --paper-deep:#d6d5cc;   /* recessed wall */
  --mount:#f4f3ee;        /* mat board behind every photograph */
  --ink:#171c18;          /* text */
  --ink-soft:#5d655c;     /* secondary text */
  --line:#c3c2b8;         /* hairlines */
  --viridian:#1f5142;     /* the one accent */
  --viridian-deep:#143a2f;
  --sand:#efece1;

  --f-display:"Fraunces",Georgia,"Times New Roman",serif;
  --f-ui:"Archivo","Helvetica Neue",Arial,sans-serif;

  --gut:clamp(1.25rem,4vw,3rem);
  --band:clamp(3.5rem,8vw,7rem);
  --max:82rem;
}

*,*::before,*::after{box-sizing:border-box}

html{font-size:17px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-ui);
  font-size:1rem;
  line-height:1.6;
  font-feature-settings:"tnum" 0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--viridian);outline-offset:3px;border-radius:2px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:400;margin:0;line-height:1.06;letter-spacing:-.015em}
h1{font-size:clamp(2.6rem,6.5vw,4.6rem)}
h2{font-size:clamp(2rem,4.2vw,3rem)}
h3{font-size:clamp(1.3rem,2.2vw,1.65rem);line-height:1.2}
h4{font-size:1.1rem;line-height:1.3}
p{margin:0 0 1em}
.lede{font-size:clamp(1.1rem,1.8vw,1.35rem);line-height:1.5;max-width:34ch}
.prose{max-width:62ch;color:var(--ink-soft)}
.prose strong{color:var(--ink);font-weight:500}
.meta{font-size:.8rem;color:var(--ink-soft);letter-spacing:.01em}
.serif-it{font-family:var(--f-display);font-style:italic;font-weight:400}
.num{font-variant-numeric:tabular-nums}
.quiet{color:var(--ink-soft)}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.wrap-wide{max-width:100rem;margin-inline:auto;padding-inline:var(--gut)}
.band{padding-block:var(--band)}
.band-tight{padding-block:clamp(2.5rem,5vw,4rem)}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.stack>*+*{margin-top:1rem}

/* ---------- masthead ---------- */
.masthead{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.masthead__in{display:flex;align-items:center;gap:1.5rem;min-height:74px}
.wordmark{text-decoration:none;line-height:1;margin-right:auto;display:block}
.wordmark b{font-family:var(--f-display);font-weight:600;font-size:1.32rem;letter-spacing:-.02em;display:block}
.wordmark span{font-size:.7rem;color:var(--ink-soft);letter-spacing:.06em}
.nav{display:flex;gap:1.6rem;align-items:center}
.nav a{
  text-decoration:none;font-size:.9rem;padding-block:.4rem;
  border-bottom:1px solid transparent;color:var(--ink);
}
.nav a:hover{border-bottom-color:var(--ink)}
.nav a[aria-current="page"]{border-bottom-color:var(--viridian);color:var(--viridian)}
.cart-btn{
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;
  border:1px solid var(--ink);border-radius:999px;padding:.4rem .95rem;font-size:.85rem;
  background:transparent;cursor:pointer;
}
.cart-btn:hover{background:var(--ink);color:var(--mount)}
.cart-btn .count{
  min-width:1.25rem;height:1.25rem;border-radius:999px;background:var(--viridian);color:#fff;
  display:grid;place-items:center;font-size:.72rem;font-variant-numeric:tabular-nums;
}
.cart-btn:hover .count{background:var(--mount);color:var(--ink)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:999px;padding:.45rem .8rem;cursor:pointer;font-size:.85rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.5rem;border-radius:999px;border:1px solid transparent;
  font-size:.92rem;font-weight:500;text-decoration:none;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--viridian);color:#f6f5f0}
.btn--primary:hover{background:var(--viridian-deep)}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:var(--mount)}
.btn--wide{width:100%}
.btn--sm{padding:.55rem 1rem;font-size:.85rem}
.link-u{text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.link-u:hover{border-bottom-color:var(--ink)}

/* ---------- the mount (photo frame) ---------- */
.mount{
  background:var(--mount);
  padding:clamp(.6rem,1.4vw,1.15rem);
  border:1px solid var(--line);
  display:block;
  position:relative;
}
.mount img{
  width:100%;height:100%;object-fit:cover;
  background:linear-gradient(145deg,#cfd2c8,#a9ab9c 55%,#7f8375);
}
.mount--deep{padding:clamp(1rem,2.4vw,2.2rem)}
.ratio-4x3{aspect-ratio:4/3}
.ratio-3x2{aspect-ratio:3/2}
.ratio-2x3{aspect-ratio:2/3}
.ratio-1x1{aspect-ratio:1/1}
.ratio-16x9{aspect-ratio:16/9}

/* wall label */
.label{display:block;text-decoration:none}
.label h3,.label h4{margin-bottom:.15rem}
.label__line{
  display:flex;justify-content:space-between;gap:1rem;align-items:baseline;
  font-size:.83rem;color:var(--ink-soft);
}
.label__price{font-family:var(--f-display);font-size:1.05rem;color:var(--ink);white-space:nowrap}

/* photo tile used across grids */
.tile{display:block;text-decoration:none;position:relative}
.tile .mount{overflow:hidden}
.tile img{transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.tile:hover img{transform:scale(1.03)}
.tile__cap{margin-top:.7rem}
.tile__peek{
  position:absolute;left:clamp(.6rem,1.4vw,1.15rem);bottom:clamp(.6rem,1.4vw,1.15rem);
  right:clamp(.6rem,1.4vw,1.15rem);
  background:var(--mount);
  background:color-mix(in srgb,var(--mount) 92%,transparent);
  border:1px solid var(--line);
  padding:.6rem .8rem;display:flex;justify-content:space-between;align-items:center;gap:.75rem;
  opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease;
  font-size:.82rem;
}
.tile:hover .tile__peek,.tile:focus-within .tile__peek{opacity:1;transform:none}

/* ---------- tags ---------- */
.tag{
  display:inline-block;border:1px solid var(--line);border-radius:999px;
  padding:.2rem .7rem;font-size:.75rem;color:var(--ink-soft);background:var(--mount);
}
.tag--sold{border-color:#a3543a;color:#a3543a}
.tag--new{border-color:var(--viridian);color:var(--viridian)}

/* ---------- grids ---------- */
.grid{display:grid;gap:clamp(1.2rem,2.4vw,2.2rem)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.span-2{grid-column:span 2}

/* editorial asymmetric grid on home */
.mosaic{display:grid;grid-template-columns:1.55fr 1fr;gap:clamp(1.2rem,2.4vw,2.2rem);align-items:start}
.mosaic__side{display:grid;gap:clamp(1.2rem,2.4vw,2.2rem)}
.offset-down{margin-top:clamp(2rem,6vw,5rem)}

/* horizontal scroll strip for categories */
.strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,26vw);
  gap:1rem;overflow-x:auto;padding-bottom:1rem;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.strip>*{scroll-snap-align:start}

/* two column page shell: rail + content */
.shell{display:grid;grid-template-columns:15.5rem 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.rail{position:sticky;top:98px;max-height:calc(100vh - 7rem);overflow-y:auto;padding-right:.25rem}
.rail::-webkit-scrollbar{width:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.shell--right{grid-template-columns:1fr 22rem}

/* ---------- forms ---------- */
.field{display:block;margin-bottom:1.1rem}
.field>span{display:block;font-size:.82rem;color:var(--ink-soft);margin-bottom:.35rem}
.input,.select,.textarea{
  width:100%;background:var(--mount);border:1px solid var(--line);
  padding:.7rem .85rem;border-radius:3px;font-size:.95rem;
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--viridian);outline:none;box-shadow:0 0 0 3px rgba(31,81,66,.12)}
.textarea{min-height:9rem;resize:vertical}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;margin-bottom:.55rem;cursor:pointer}
.check input{margin-top:.3rem;accent-color:var(--viridian)}
.check .n{margin-left:auto;color:var(--ink-soft);font-size:.8rem;font-variant-numeric:tabular-nums}

/* segmented control */
.seg{display:flex;flex-wrap:wrap;border:1px solid var(--line);border-radius:999px;padding:.25rem;background:var(--mount);gap:.25rem}
.seg button{
  flex:1 1 5.5rem;border:0;background:transparent;padding:.55rem .8rem;border-radius:999px;
  cursor:pointer;font-size:.88rem;
}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--mount)}

/* size picker: rectangles scaled to the real print ratio */
.sizes{display:flex;gap:.6rem;flex-wrap:wrap;align-items:flex-end}
.size{
  border:1px solid var(--line);background:var(--mount);cursor:pointer;
  display:grid;place-content:center;text-align:center;padding:.4rem;line-height:1.25;
  font-size:.72rem;color:var(--ink-soft);transition:border-color .15s ease,background .15s ease;
}
.size b{display:block;font-size:.82rem;color:var(--ink);font-weight:500}
.size:hover{border-color:var(--ink)}
.size[aria-pressed="true"]{border-color:var(--viridian);background:#e9efe9;color:var(--ink)}

/* ---------- data list (specs, gear) ---------- */
.dl{border-top:1px solid var(--line)}
.dl div{display:flex;justify-content:space-between;gap:1.5rem;padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.9rem}
.dl dt{color:var(--ink-soft);margin:0}
.dl dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}

/* ---------- cart / summary ---------- */
.line{display:grid;grid-template-columns:7.5rem 1fr auto;gap:1.25rem;padding:1.4rem 0;border-bottom:1px solid var(--line);align-items:start}
.qty{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--mount)}
.qty button{border:0;background:transparent;width:2rem;cursor:pointer;font-size:1rem}
.qty button:hover{background:var(--paper-deep)}
.qty span{min-width:2rem;text-align:center;padding:.35rem 0;font-variant-numeric:tabular-nums;font-size:.9rem}
.summary{background:var(--mount);border:1px solid var(--line);padding:1.5rem}
.summary .row{display:flex;justify-content:space-between;padding:.45rem 0;font-size:.92rem}
.summary .row--total{border-top:1px solid var(--line);margin-top:.6rem;padding-top:.9rem;font-family:var(--f-display);font-size:1.35rem}

/* ---------- steps (checkout) ---------- */
.steps{display:flex;gap:1.5rem;font-size:.85rem;color:var(--ink-soft);flex-wrap:wrap}
.steps li{list-style:none}
.steps li[aria-current="step"]{color:var(--ink)}
.steps li[aria-current="step"] em{font-style:normal;border-bottom:1px solid var(--viridian);padding-bottom:2px}

/* ---------- accordion ---------- */
.acc{border-bottom:1px solid var(--line)}
.acc summary{cursor:pointer;padding:1.1rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;font-size:1.02rem}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-family:var(--f-display);font-size:1.3rem;color:var(--viridian)}
.acc[open] summary::after{content:"–"}
.acc p{color:var(--ink-soft);padding-bottom:1rem;max-width:60ch;margin:0}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#d8d9d2;padding-block:clamp(3rem,6vw,4.5rem) 2rem;margin-top:var(--band)}
.foot a{color:#d8d9d2;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:2.5rem}
.foot h4{font-size:.95rem;margin-bottom:.9rem;color:#fff}
.foot ul{list-style:none;margin:0;padding:0;font-size:.9rem}
.foot li{margin-bottom:.5rem}
.foot__mark{font-family:var(--f-display);font-size:1.4rem;color:#fff;line-height:1.1}
.foot__base{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid #2f3830;margin-top:3rem;padding-top:1.4rem;font-size:.8rem;color:#8d968c}
.foot .input{background:#20261f;border-color:#38423a;color:#fff}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:2rem;transform:translate(-50%,140%);
  background:var(--ink);color:var(--mount);padding:.85rem 1.4rem;border-radius:999px;
  font-size:.9rem;z-index:99;transition:transform .3s cubic-bezier(.2,.8,.3,1);
  display:flex;gap:1rem;align-items:center;box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.toast.is-on{transform:translate(-50%,0)}
.toast a{color:#a8d3c4}

/* ---------- hero (home) ---------- */
.hero{position:relative;background:var(--paper-deep)}
.hero__img{width:100%;height:min(82vh,760px);object-fit:cover;
  background:linear-gradient(150deg,#b9bcae,#8a8d7d 60%,#5f6355)}
.hero__label{
  position:absolute;left:var(--gut);bottom:2rem;background:var(--mount);
  border:1px solid var(--line);padding:1.1rem 1.3rem;max-width:23rem;
}
.hero__label h1{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:.4rem}
.hero__over{
  position:absolute;right:var(--gut);top:2.2rem;color:#fff;text-align:right;
  text-shadow:0 1px 18px rgba(0,0,0,.55);max-width:20rem;font-size:.9rem;
}

/* first-load reveal, one moment only */
@media (prefers-reduced-motion:no-preference){
  .hero__img{animation:settle 1.4s cubic-bezier(.16,.84,.28,1) both}
  .hero__label{animation:rise .8s .5s cubic-bezier(.16,.84,.28,1) both}
}
@keyframes settle{from{transform:scale(1.06);opacity:.4}to{transform:none;opacity:1}}
@keyframes rise{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}

/* ---------- page head ---------- */
.pagehead{padding-block:clamp(2.5rem,6vw,4.5rem) clamp(1.5rem,3vw,2.5rem)}
.pagehead p{max-width:52ch;color:var(--ink-soft)}

/* ---------- misc blocks ---------- */
.figures{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;border-top:1px solid var(--line);padding-top:1.5rem}
.figures b{font-family:var(--f-display);font-size:clamp(1.8rem,3.4vw,2.6rem);display:block;line-height:1;font-weight:400}
.figures span{font-size:.84rem;color:var(--ink-soft)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,4rem);align-items:center}
.callout{background:var(--sand);border:1px solid var(--line);padding:clamp(1.2rem,3vw,2rem)}
.notice{background:#e9efe9;border-left:3px solid var(--viridian);padding:.9rem 1.1rem;font-size:.88rem}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .shell,.shell--right{grid-template-columns:1fr}
  .rail{position:static;max-height:none;overflow:visible}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .mosaic{grid-template-columns:1fr}
  .offset-down{margin-top:0}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav{
    display:none;position:absolute;top:74px;left:0;right:0;background:var(--mount);
    border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;
    gap:0;padding:1rem var(--gut);
  }
  .nav.is-open{display:flex}
  .nav a{padding:.7rem 0;width:100%;border-bottom:1px solid var(--line)}
  .burger{display:inline-block;order:3}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .figures{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  html{font-size:16px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .span-2{grid-column:auto}
  .row-2{grid-template-columns:1fr}
  .line{grid-template-columns:5rem 1fr;gap:.9rem}
  .line>:last-child{grid-column:1/-1}
  .foot__grid{grid-template-columns:1fr}
  .hero__over{display:none}
  .hero__label{left:0;right:0;bottom:0;max-width:none;border-left:0;border-right:0;border-bottom:0}
}