/* conexresearch.com — digital review magazine (sans-heavy, big tabular numerals) */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
:root{
 --paper:#ffffff;--surface:#f4f5f9;--ink:#0e1220;--muted:#585c73;--line:#e4e5ee;--card:#ffffff;
 --accent:#2563eb;--accent-d:#1d4db7;--tint:#eef3fd;--tint-2:#dce6fc;
 --wrap:1180px;--prose:730px;--r:8px;
 --sans:"IBM Plex Sans Thai","Noto Sans Thai",Sarabun,"Leelawadee UI",Thonburi,"Thonburi UI",
   -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
 --num:"SF Pro Display","IBM Plex Sans","Inter",-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
 *,*::before,*::after{transition:none!important;animation:none!important}}

body{margin:0;color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.72;
 background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent-d);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
img{max-width:100%;height:auto;display:block}
strong{font-weight:700}
[id]{scroll-margin-top:96px}

.wrap,.container{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:var(--card);padding:10px 14px;z-index:99;
 border:2px solid var(--accent);border-radius:8px}

/* ── header (sticky, digital-native) ────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
 border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(37,99,235,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);
 font-weight:800;font-size:1.14rem;letter-spacing:-.005em}
.brand .mark{width:34px;height:34px;border-radius:6px;background:var(--accent);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:1rem;flex:0 0 auto}
.brand b{color:var(--accent-d)}
.brand-logo{height:68px;width:auto;display:block;flex:0 0 auto}
@media(max-width:1400px){.brand-logo{height:60px}}
@media(max-width:1200px){.brand-logo{height:52px}}
@media(max-width:640px){.brand-logo{height:44px}}
.main-nav{display:flex;gap:0;align-items:center;flex-wrap:nowrap;white-space:nowrap;font-family:var(--sans)}
.main-nav a{padding:7px 11px;color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;
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.main-nav a:hover{color:var(--accent-d);background:var(--tint)}
.main-nav a[aria-current=page]{color:var(--accent-d);border-bottom-color:var(--accent);font-weight:700}
.nav-toggle,.nav-burger{display:none}
@media(max-width:1200px){
 .nav-burger{display:inline-flex;flex-direction:column;gap:5px;width:44px;height:40px;
  justify-content:center;align-items:center;border:1px solid rgba(14,18,32,.35);
  border-radius:8px;background:var(--card);cursor:pointer}
 .nav-burger span{width:19px;height:2px;background:var(--ink);border-radius:1px}
 .header-inner{position:relative}
 .main-nav{position:absolute;top:calc(100% + 10px);left:0;right:0;display:none;
  flex-direction:column;align-items:stretch;padding:6px;background:var(--card);
  border:1px solid rgba(14,18,32,.20);border-radius:8px;
  box-shadow:0 12px 40px rgba(14,18,32,.08)}
 .nav-toggle:checked~.main-nav{display:flex}
 .main-nav a{padding:12px 13px;border-bottom:1px solid var(--line);border-radius:0}
 .main-nav a:last-child{border-bottom:0}
 .main-nav a[aria-current=page]{background:var(--tint)}
}

/* ── hero ────────────────────────────────────────────────────────────── */
.hero{padding:38px 0 12px}
.hero-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:40px;align-items:start}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:24px}}
.kicker{display:inline-block;font-family:var(--num);font-size:.72rem;font-weight:700;
 color:var(--accent-d);letter-spacing:.14em;text-transform:uppercase;
 padding:4px 11px;background:var(--tint);border-radius:6px;margin-bottom:14px}
h1{font-size:clamp(2rem,1.55rem + 2vw,2.85rem);line-height:1.12;letter-spacing:-.02em;
 font-weight:850;margin:.06em 0 .4em;text-wrap:balance}
.hero .lead{font-size:1.16rem;line-height:1.55;color:#232741;margin:0;max-width:44em}
.mark-t{color:var(--accent-d)}
.tags{list-style:none;display:flex;gap:8px;flex-wrap:wrap;padding:0;margin:20px 0 0}
.tags li{font-size:.82rem;color:var(--muted);background:var(--surface);
 padding:4px 11px;border-radius:999px;font-weight:500}

/* ── the En bref-equivalent panel: named .ticket for skeleton compatibility ─ */
.ticket{position:relative;margin:0;padding:22px 24px;background:var(--surface);
 border-radius:8px;border:1px solid var(--line)}
.ticket h2{font-size:.78rem;font-weight:800;color:var(--accent-d);
 text-transform:uppercase;letter-spacing:.1em;margin:0 0 14px}
.ticket dl{margin:0;display:grid;gap:0}
.ticket .row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;
 padding:9px 0;border-bottom:1px solid var(--line)}
.ticket .row:last-child{border-bottom:0;padding-bottom:0}
.ticket dt{color:var(--muted);font-size:.92rem;margin:0}
.ticket dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums;text-align:right;
 color:var(--ink);font-family:var(--num)}

/* ── stats band (home only): number-tiles with big display type ─────────── */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:30px 0 8px}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{padding:18px 20px;background:var(--card);border:1px solid var(--line);
 border-radius:8px;border-top:3px solid var(--accent)}
.stat .num{font-family:var(--num);font-size:clamp(1.65rem,1.3rem + 1vw,2.15rem);
 font-weight:850;color:var(--accent-d);letter-spacing:-.015em;line-height:1.15;
 font-variant-numeric:tabular-nums}
.stat .l{color:var(--muted);font-size:.87rem;margin-top:4px;line-height:1.5}

/* ── prose ────────────────────────────────────────────────────────────── */
main{padding-bottom:20px}
.prose{max-width:var(--prose)}
.prose>p,.prose>ul,.prose>ol{margin:0 0 1.05em}
.prose p,.prose li{color:#20233c}
.prose ul,.prose ol{padding-left:1.25em}
.prose li{margin:.28em 0}
.prose li::marker{color:var(--accent)}
.prose h2{font-size:clamp(1.5rem,1.2rem + .9vw,1.78rem);line-height:1.22;
 font-weight:800;margin:2.1em 0 .5em;letter-spacing:-.005em;text-wrap:balance}
.prose h3{font-size:1.14rem;font-weight:700;margin:1.7em 0 .35em;line-height:1.5;
 color:#151830}

.prose h2{padding-top:.55em;border-top:2px solid var(--ink)}
/* reset section decoration on component headings */
.toc h2,.kt h2,.method h2{border-top:0;border-bottom:0;padding-top:0;padding-bottom:0;
 background-image:none;text-transform:none;letter-spacing:normal}
.toc h2::before,.kt h2::before,.method h2::before{content:none}

.secn{display:block;font-family:var(--num);font-size:.76rem;font-weight:800;
 color:var(--accent);letter-spacing:.16em;font-variant-numeric:tabular-nums;
 margin:2.2em 0 0;text-transform:uppercase}
.secn+h2{margin-top:.15em}

.crumbs{color:var(--muted);font-size:.87rem;margin:2px 0 18px}
.crumbs a{color:var(--muted)}

.content-figure{margin:26px 0 30px;background:var(--surface);
 padding:16px;border-radius:8px}
.content-img{width:100%;max-height:360px;object-fit:contain;object-position:center;
 border-radius:4px;background:transparent}
@media(max-width:640px){.content-figure{padding:10px}.content-img{max-height:240px}}

/* key takeaways */
.kt{background:var(--tint);border-left:4px solid var(--accent);
 border-radius:0 8px 8px 0;padding:19px 22px;margin:26px 0}
.kt h2{font-size:.82rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
 color:var(--accent-d);margin:0 0 11px}
.kt ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.kt li{position:relative;padding-left:26px;color:#20233c}
.kt li::before{content:"";position:absolute;left:3px;top:.55em;width:6px;height:11px;
 border-right:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(40deg)}

.callout{background:transparent;border:0;border-left:4px solid rgba(14,18,32,.7);
 padding:4px 0 4px 18px;margin:26px 0}
.callout strong{color:var(--accent-d);font-weight:700}

.method{border-top:1px solid var(--line);padding:16px 0 0;margin:30px 0 26px;
 font-size:.93rem;color:var(--muted)}
.method h2{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;
 color:var(--muted);margin:0 0 6px;padding:0;border:0}
.method a{color:var(--accent-d)}

/* tables — data-forward */
.table-wrap{overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:.94rem;background:transparent}
th{text-align:left;font-family:var(--sans);font-weight:700;color:var(--accent-d);
 padding:9px 14px 9px 0;border-bottom:2px solid var(--ink);white-space:nowrap;
 text-transform:uppercase;letter-spacing:.05em;font-size:.78rem}
td{padding:10px 14px 10px 0;border-bottom:1px solid var(--line);
 font-variant-numeric:tabular-nums;vertical-align:top}
tr:last-child td{border-bottom:2px solid rgba(14,18,32,.5)}
tbody tr:nth-child(even) td{background:rgba(37,99,235,.03)}

/* TOC (Sommaire) */
.toc{background:var(--surface);border:1px solid var(--line);
 border-radius:8px;padding:18px 22px;margin:28px 0 32px;counter-reset:t}
.toc h2{font-family:var(--sans);font-size:.78rem;font-weight:800;text-transform:uppercase;
 letter-spacing:.1em;color:var(--muted);margin:0 0 12px;padding:0;border:0}
.toc ol{list-style:none;margin:0;padding:0;columns:2;column-gap:34px}
@media(max-width:640px){.toc ol{columns:1}}
.toc li{counter-increment:t;margin:0 0 8px;padding-left:32px;position:relative;
 break-inside:avoid;line-height:1.55;font-size:.95rem}
.toc li::before{content:counter(t,decimal-leading-zero);position:absolute;left:0;top:0;
 color:var(--accent);font-weight:800;font-size:.82rem;letter-spacing:.04em;
 font-variant-numeric:tabular-nums;font-family:var(--num)}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--accent-d);text-decoration:underline}

/* FAQ */
.faq{margin:18px 0 6px;border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{cursor:pointer;list-style:none;font-weight:700;color:#151830;
 padding:16px 40px 16px 0;position:relative;line-height:1.5;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent-d)}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;margin-top:-.72em;
 width:1.44em;height:1.44em;line-height:1.36em;text-align:center;color:var(--accent-d);
 font-size:1.1rem;font-weight:800;border:1px solid rgba(37,99,235,.45);border-radius:8px;
 transition:transform .18s ease}
.faq details[open]>summary::after{transform:rotate(45deg)}
.faq details[open]>summary{color:var(--accent-d)}
.faq details>p{margin:0;padding:0 0 17px;color:#20233c}

/* author + reviewer (E-E-A-T) */
.author-box{display:flex;gap:14px;align-items:flex-start;background:var(--surface);
 border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin:30px 0}
.avatar,.avatar,.site-footer .avatar{width:44px;height:44px;flex:0 0 auto;
 display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:800;
 overflow:hidden;padding:0;border-radius:8px}
.avatar img{width:100%;height:100%;object-fit:cover;object-position:center 22%;
 display:block;border-radius:inherit}
.author-box .n{font-weight:800;line-height:1.5;font-size:1.02rem}
.author-box .m{color:var(--muted);font-size:.9rem;line-height:1.55}

.age-badge,.site-footer .age-badge{display:inline-block;background:var(--accent-d);
 color:#ffffff;padding:6px 15px;border-radius:8px;font-size:.94rem;line-height:1.35;
 font-weight:800;font-family:var(--sans);letter-spacing:.01em;margin:0}

/* footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:44px}
.footer-grid{display:grid;grid-template-columns:2.1fr 1fr 1fr;gap:30px;padding:36px 0 30px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:22px}}
.site-footer p{margin:0 0 .7em;color:#2b2f4a;font-size:.94rem;line-height:1.7}
.site-footer h4{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
 color:var(--muted);margin:0 0 11px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:var(--ink);text-decoration:none;font-size:.94rem}
.site-footer a:hover{color:var(--accent-d);text-decoration:underline}
.footer-bottom{border-top:1px solid var(--line);padding:15px 0;color:var(--muted);
 font-size:.86rem;line-height:1.65}

@media print{
 .site-header,.nav-burger,.main-nav,.toc,.skip{display:none!important}
 body{background:#fff;font-size:11pt}
 .container{max-width:none;padding:0}
 .prose{max-width:none}
 .faq details{page-break-inside:avoid}
}