/* Deimix blog — brand styles. LIGHT theme, optimised for a 45–60yo shop owner
   on a mid-range Android in a bright shop: high contrast, sunlight-legible.
   Behaviour hooks live on data-* attributes; JS never keys off these classes. */

/* ── Self-hosted fonts (no third-party request on 4G) ───────────────────── */
@font-face{font-family:"Space Grotesk";src:url("fonts/space-grotesk-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("fonts/space-grotesk-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Anek Tamil";src:url("fonts/anek-tamil-tamil-400-normal.woff2") format("woff2"),url("fonts/anek-tamil-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Anek Tamil";src:url("fonts/anek-tamil-tamil-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}

/* ── Tokens (LIGHT) ─────────────────────────────────────────────────────── */
:root{
  --bg:#FAFAF8;         /* page: warm off-white, easier than pure #FFF */
  --surface:#FFFFFF;    /* cards */
  --line:#E4E0D6;       /* warm hairline */
  --text:#1A1A1A;       /* near-black body — 16.6:1 on bg */
  --ink:#0B1117;        /* button text on amber — 8.8:1 */
  --muted:#566072;      /* secondary text — 6.1:1 on bg */
  --amber:#E9A23B;      /* bright: buttons, large elements, rule lines */
  --amber-text:#9A5B00; /* deep: small text, links, labels — 5.2:1 on bg */
  --cta-wash:#FCF4E4;   /* light amber card wash */
  --display:"Space Grotesk",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --tamil:"Anek Tamil","IBM Plex Sans",system-ui,sans-serif;
  --measure:68ch;
  --gutter:clamp(1.1rem,4vw,2rem);
  --radius:10px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--body); font-size:18px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--amber-text); text-underline-offset:3px; text-decoration-color:var(--line)}
a:hover{text-decoration-color:var(--amber)}
img{max-width:100%; height:auto}

/* ── Header / footer ────────────────────────────────────────────────────── */
.site-head{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:1rem var(--gutter); border-bottom:1px solid var(--line);
  position:sticky; top:0; background:rgba(250,250,248,.9); backdrop-filter:blur(8px); z-index:20;
}
.brand{font-family:var(--display); font-weight:700; font-size:1.15rem; text-decoration:none; letter-spacing:-.01em}
.brand__mark{color:var(--text)} .brand__slash{color:var(--amber-text); margin:0 .12em} .brand__sub{color:var(--muted)}
.site-head__right{display:flex; align-items:center; gap:.75rem}
.search-toggle{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  background:transparent; color:var(--muted); border:1px solid var(--line); border-radius:6px;
  padding:.45rem .7rem; cursor:pointer;
}
.search-toggle:hover{color:var(--text); border-color:var(--muted)}
a.head-cta{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--ink); background:var(--amber); border-radius:6px; padding:.5rem .8rem;
  text-decoration:none; font-weight:500; white-space:nowrap;
}
a.head-cta:hover{filter:brightness(1.04); color:var(--ink)}
.site-foot{
  border-top:1px solid var(--line); color:var(--muted); font-size:.9rem;
  padding:2rem var(--gutter); display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap;
}
.site-foot a{color:var(--muted)}

/* ── Layout wrap ────────────────────────────────────────────────────────── */
.wrap{padding:var(--gutter); padding-bottom:5rem}
.is-post .wrap, .is-listing .wrap, .is-author .wrap, .is-404 .wrap{max-width:var(--measure); margin:0 auto}

/* ── Breadcrumbs ────────────────────────────────────────────────────────── */
.crumbs ol{list-style:none; display:flex; flex-wrap:wrap; gap:.5rem; padding:0; margin:1.5rem 0 .5rem;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.05em; text-transform:uppercase; color:var(--muted)}
.crumbs li:not(:last-child)::after{content:"›"; margin-left:.5rem; color:var(--line)}
.crumbs a{color:var(--muted); text-decoration:none}
.crumbs a:hover{color:var(--amber-text)}

/* ── Post ───────────────────────────────────────────────────────────────── */
.post__head{margin:1rem 0 2.5rem}
.post__eyebrow, .card__eyebrow{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--amber-text)
}
.post__title{
  font-family:var(--display); font-weight:700; letter-spacing:-.02em; color:var(--text);
  font-size:clamp(1.9rem,5vw,2.9rem); line-height:1.12; margin:.5rem 0 .75rem
}
.post__meta, .card__meta{font-family:var(--mono); font-size:.78rem; color:var(--muted); letter-spacing:.03em}
.post__body{font-size:1.125rem; line-height:1.75; color:var(--text)}
.post__body h2{font-family:var(--display); font-weight:700; font-size:1.6rem; line-height:1.2; margin:2.4rem 0 .8rem; letter-spacing:-.01em}
.post__body h3{font-family:var(--display); font-weight:500; font-size:1.25rem; margin:1.8rem 0 .6rem}
.post__body p{margin:0 0 1.2rem}
/* Content links only — buttons are explicitly excluded so the body-link colour
   never overrides a CTA button (that was the amber-on-amber bug). */
.post__body a:not(.cta__btn):not(.cta__btn--secondary){color:var(--amber-text); text-decoration-color:rgba(154,91,0,.4)}
.post__body a:not(.cta__btn):not(.cta__btn--secondary):hover{text-decoration-color:var(--amber-text)}
.post__body ul,.post__body ol{padding-left:1.3rem; margin:0 0 1.3rem}
.post__body li{margin:.4rem 0}
.post__body blockquote{
  margin:1.6rem 0; padding:.4rem 0 .4rem 1.2rem; border-left:3px solid var(--amber);
  color:var(--muted); font-style:italic
}
.post__body code{font-family:var(--mono); font-size:.9em; background:#F1EFEA; padding:.1em .35em; border-radius:4px}
.post__body pre{background:#F5F3EE; border:1px solid var(--line); border-radius:var(--radius); padding:1rem; overflow:auto}
.post__body pre code{background:none; padding:0}
.post__body img{border-radius:var(--radius); border:1px solid var(--line); margin:1.5rem 0}
.post__body .header-anchor{text-decoration:none; color:inherit}

/* Tamil: larger min size + more line-height (Tamil runs ~30% longer). */
.post--ta .post__title{font-family:var(--tamil); font-weight:600; letter-spacing:normal}
.post--ta .post__body{font-family:var(--tamil); font-size:1.15rem; line-height:1.85}
.post--ta .post__body h2,.post--ta .post__body h3{font-family:var(--tamil)}
[lang="ta"]{font-family:var(--tamil)}
.card--ta .card__title{font-family:var(--tamil); font-weight:600}
.card--ta .card__excerpt{font-family:var(--tamil); line-height:1.85}

/* ── CTA (after intro + end) ────────────────────────────────────────────── */
.cta{
  background:var(--cta-wash); border:1px solid #F0E4C8; border-left:3px solid var(--amber);
  border-radius:var(--radius); padding:1.2rem 1.3rem; margin:2rem 0;
  display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap;
}
.cta__line{margin:0; font-size:1rem; color:var(--text); flex:1 1 60%}
.cta__actions{display:flex; gap:.6rem; flex-wrap:wrap; align-items:center}
/* Primary button: amber fill, ink text. High specificity so post-body context
   can never recolour it. */
a.cta__btn, button.cta__btn{
  font-family:var(--mono); font-size:.78rem; letter-spacing:.05em; text-transform:uppercase;
  color:var(--ink); background:var(--amber); border:1px solid var(--amber); border-radius:7px;
  padding:.65rem 1rem; text-decoration:none; font-weight:500; white-space:nowrap; cursor:pointer;
}
a.cta__btn:hover, button.cta__btn:hover{filter:brightness(1.04); color:var(--ink)}
/* Secondary button: ghost with deep-amber text/border; fills on hover. */
a.cta__btn--secondary, button.cta__btn--secondary{
  color:var(--amber-text); background:transparent; border:1px solid var(--amber);
}
a.cta__btn--secondary:hover, button.cta__btn--secondary:hover{
  color:var(--ink); background:var(--amber); filter:none;
}
.cta--end{margin-top:2.5rem}
/* ── Share (D4b) — small, subtle, end-of-post only ─────────────────────── */
.share{display:flex; align-items:center; gap:.6rem; margin-top:1.25rem; flex-wrap:wrap}
.share__label{font-family:var(--mono); font-size:.72rem; letter-spacing:.05em; text-transform:uppercase; color:var(--muted)}
.share__btn{
  font-size:.82rem; padding:.35rem .7rem; border-radius:999px; border:1px solid var(--line);
  background:transparent; color:var(--muted); text-decoration:none; cursor:pointer; font-family:inherit;
}
.share__btn:hover{color:var(--text); border-color:var(--muted)}
.share__btn--wa:hover{color:#1DA851; border-color:#1DA851}
.share__btn--fb:hover{color:#1877F2; border-color:#1877F2}

/* Desktop QR enhancement (injected by JS beside the WhatsApp CTA) */
.cta__qr{
  display:flex; align-items:center; gap:1rem; margin-top:1rem; width:100%;
  padding-top:1rem; border-top:1px dashed #EAD9AF;
}
.cta__qr img{width:120px; height:120px; border-radius:8px; background:#fff; border:1px solid var(--line); padding:6px}
.cta__qr-text{font-size:.95rem; color:var(--text)}
.cta__qr-num{font-family:var(--display); font-weight:700; font-size:1.35rem; color:var(--text); letter-spacing:-.01em; display:block; margin-bottom:.15rem}
.cta__qr-scan{color:var(--muted); font-size:.9rem}

/* ── Enquiry form ───────────────────────────────────────────────────────── */
.enquire{display:none; margin:1.5rem 0 0; padding:1.3rem; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--radius)}
.enquire:target{display:block}          /* no-JS: anchor reveals it */
.enquire.is-open{display:block}          /* JS toggle */
.enquire__h{font-family:var(--display); font-weight:700; font-size:1.2rem; margin:0 0 .3rem}
.enquire__sub{color:var(--muted); font-size:.92rem; margin:0 0 1rem}
.enquire__field{display:flex; flex-direction:column; gap:.3rem; margin-bottom:.8rem}
.enquire__field label{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--muted)}
.enquire__field input{font-family:var(--body); font-size:1rem; color:var(--text); background:#fff;
  border:1px solid var(--line); border-radius:8px; padding:.7rem .8rem}
.enquire__field input:focus{outline:2px solid var(--amber); outline-offset:1px}
.enquire__row{display:grid; grid-template-columns:1fr 1fr; gap:.8rem}
@media (max-width:520px){.enquire__row{grid-template-columns:1fr}}
.enquire__fallback{color:var(--muted); font-size:.88rem; margin:.8rem 0 0}
.enquire__fallback a{color:var(--amber-text)}
.enquire__status{margin:.8rem 0 0; font-size:.95rem}
.enquire__status.ok{color:#1a7a3c}
.enquire__status.err{color:#b23b3b}
/* Honeypot: visually hidden, off-screen, not display:none (bots skip those). */
.hp{position:absolute!important; left:-9999px!important; width:1px; height:1px; overflow:hidden}

/* ── Related ────────────────────────────────────────────────────────────── */
.related{margin:3rem 0 1rem; border-top:1px solid var(--line); padding-top:1.5rem}
.related__h{font-family:var(--display); font-size:1.2rem; margin:0 0 1rem}
.related__list{list-style:none; padding:0; margin:0; display:grid; gap:.6rem}
.related__list a{display:block; text-decoration:none; padding:.85rem 1rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); color:var(--text)}
.related__list a:hover{border-color:var(--amber)}
.related__list span{display:block; font-family:var(--mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; color:var(--amber-text); margin-bottom:.2rem}

/* ── Listing / cards ────────────────────────────────────────────────────── */
.listing__head{margin:2rem 0 2.5rem}
.listing__h{font-family:var(--display); font-weight:700; font-size:clamp(1.8rem,5vw,2.6rem); letter-spacing:-.02em; margin:0 0 .5rem}
.listing__intro{color:var(--muted); font-size:1.05rem; margin:0}
.cards{display:grid; gap:1rem}
.card{border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); transition:border-color .15s}
.card:hover{border-color:var(--amber)}
.card__link{display:block; text-decoration:none; padding:1.3rem 1.4rem; color:var(--text)}
.card__title{font-family:var(--display); font-weight:700; font-size:1.35rem; line-height:1.2; margin:.4rem 0 .5rem; letter-spacing:-.01em; color:var(--text)}
.card__excerpt{color:var(--muted); margin:0 0 .8rem; font-size:1rem}

/* ── Pager ──────────────────────────────────────────────────────────────── */
.pager{display:flex; align-items:center; justify-content:center; gap:1.2rem; margin:2.5rem 0 1rem;
  font-family:var(--mono); font-size:.85rem}
.pager a{text-decoration:none; color:var(--text); border:1px solid var(--line); padding:.5rem .9rem; border-radius:7px}
.pager a:hover{border-color:var(--amber)}
.pager__pos{color:var(--muted)}

/* ── Sticky mobile CTA ──────────────────────────────────────────────────── */
.stickybar{
  position:fixed; left:0; right:0; bottom:0; z-index:30;
  display:none; align-items:center; justify-content:space-between; gap:.75rem;
  padding:.7rem var(--gutter); background:var(--surface); border-top:1px solid var(--line);
  box-shadow:0 -2px 12px rgba(0,0,0,.06);
}
.stickybar__text{font-family:var(--mono); font-size:.8rem; color:var(--text)}
a.stickybar__btn{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em;
  color:var(--ink); background:var(--amber); border-radius:7px; padding:.55rem .8rem; text-decoration:none; font-weight:500; white-space:nowrap}
a.stickybar__btn:hover{color:var(--ink); filter:brightness(1.04)}
@media (max-width:640px){
  .stickybar{display:flex}
  .is-post .wrap{padding-bottom:5.5rem}
  a.head-cta{display:none}
}

/* ── Search ─────────────────────────────────────────────────────────────── */
.search{max-width:var(--measure); margin:1rem auto 0; padding:0 var(--gutter)}
.search__input{width:100%; font-family:var(--body); font-size:1.05rem; color:var(--text);
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:.8rem 1rem}
.search__input:focus{outline:2px solid var(--amber); outline-offset:1px}
.search__results{list-style:none; padding:0; margin:.75rem 0 0; display:grid; gap:.5rem}
.search__results a{display:block; text-decoration:none; padding:.8rem 1rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); color:var(--text)}
.search__results a:hover{border-color:var(--amber)}
.search__results small{display:block; color:var(--muted); margin-top:.2rem; font-size:.85rem}
.search__empty{color:var(--muted); font-family:var(--mono); font-size:.85rem; padding:.5rem 0}

/* ── 404 ────────────────────────────────────────────────────────────────── */
.notfound{text-align:center; padding:5rem 0}
.notfound h1{font-family:var(--display); font-size:4rem; margin:0; color:var(--amber-text)}

/* ── A11y / motion ──────────────────────────────────────────────────────── */
:focus-visible{outline:2px solid var(--amber); outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important; scroll-behavior:auto!important}}