/* Solvix Shelf - colours: paper, ink, forest green, terracotta. Mobile first. */
:root {
  --paper: #f4efe6; --ink: #1f2a24; --green: #2f4a3a; --terra: #b5532a;
  --card: #fdfaf4; --line: #d9cfbd; --sand: #e6d9c2;
  --serif: Georgia, "Times New Roman", "Liberation Serif", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.6 var(--sans); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .5em; }
a { color: var(--green); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--terra); outline-offset: 2px; }
.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 1rem; }

/* disclosure strip */
.disclosure { background: var(--green); color: var(--paper); font-size: .85rem; padding: .6rem 0; }
.disclosure a { color: #f0d9a8; }
.disclosure strong { color: #fff; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; padding-top: .8rem; padding-bottom: .8rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font: 700 1.5rem var(--serif); }
.brand svg { width: 40px; height: 40px; }
nav a { margin-right: 1rem; text-decoration: none; font-weight: 600; }
nav a:last-child { margin-right: 0; }
nav a:hover { color: var(--terra); }

/* banner */
.banner { background: var(--sand); border-bottom: 1px solid var(--line); padding: 2rem 0; }
.banner h1 { font-size: 2rem; color: var(--green); }
.banner p { margin: 0; max-width: 34rem; font-size: 1.05rem; }
.banner .shelf-line { height: 8px; background: var(--ink); border-radius: 3px; margin-top: 1.4rem; max-width: 34rem; }

/* filters */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; padding: 1.2rem 0 .4rem; }
.filters button { font: 600 .9rem var(--sans); border: 2px solid var(--green); background: transparent; color: var(--green); border-radius: 999px; padding: .4rem .9rem; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--green); color: var(--paper); }

/* product grid: 1 column on phones, more on wider screens */
.grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; padding: 1rem 0 2rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 2px 0 var(--line); }
.card .pic { background: var(--sand); position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center; }
.card .pic img { width: 78%; height: 78%; object-fit: contain; filter: drop-shadow(0 14px 10px rgba(31,42,36,.25)); }
.tag { position: absolute; top: .6rem; left: .6rem; background: var(--ink); color: var(--paper); font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; padding: .2rem .55rem; border-radius: 999px; }
.tag.sample { left: auto; right: .6rem; background: var(--terra); }
.card .body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.card h3 { font-size: 1.25rem; margin: 0; }
.card .for { font-size: .9rem; color: var(--green); font-weight: 600; }
.card p { margin: 0; }
.btn { margin-top: auto; display: inline-block; text-align: center; background: var(--terra); color: #fff; text-decoration: none; font-weight: 700; padding: .75rem 1rem; border-radius: 10px; }
.btn:hover { background: #9a4521; }
.hint { font-size: .78rem; color: #5b665f; margin-top: .3rem; }
.empty, .error { padding: 2rem 0; }

/* text pages */
.page { padding: 2rem 0 3rem; max-width: 42rem; }
.page h1 { font-size: 2rem; color: var(--green); }
.page h2 { margin-top: 1.6em; font-size: 1.3rem; }
.callout { background: var(--card); border-left: 6px solid var(--terra); padding: 1rem 1.2rem; border-radius: 6px; margin: 1.2rem 0; }

/* footer */
.site-footer { background: var(--ink); color: #d8d2c4; padding: 1.5rem 0 2rem; font-size: .9rem; }
.site-footer a { color: #f0d9a8; }
.site-footer .disc { margin-bottom: 1rem; }

@media (min-width: 600px) { .grid { grid-template-columns: repeat(2, 1fr); } .banner h1 { font-size: 2.6rem; } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }