/* Layout: dark ultramarine hero with a live fiber-tree diagram (OLT > splitter > floor > ONU), then light sections: service explorer, network anatomy, building types, install steps, quote form. */
:root{
  --font-display:"Prompt","IBM Plex Sans Thai",system-ui,sans-serif;
  --font-body:"IBM Plex Sans Thai","Noto Sans Thai",system-ui,sans-serif;
  --bg:#f4f6fb; --surface:#ffffff; --surface2:#eaeff9; --text:#13203d; --muted:#56637f; --line:#d9e0ee;
  --accent:#1a4fd6; --accent-ink:#ffffff; --signal:#ff8a1f;
  --hero-bg:#081d52; --hero-text:#f2f6ff; --hero-muted:#a9b8e0; --hero-line:rgba(255,255,255,.22); --pulse:#ffb22e;
  --radius:14px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0a1226; --surface:#121c38; --surface2:#18244a; --text:#e8eefb; --muted:#9aa8c7; --line:#243260;
  --accent:#7aa0ff; --accent-ink:#0a1226; --signal:#ffb22e; --hero-bg:#050f2e; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a1226; --surface:#121c38; --surface2:#18244a; --text:#e8eefb; --muted:#9aa8c7; --line:#243260;
  --accent:#7aa0ff; --accent-ink:#0a1226; --signal:#ffb22e; --hero-bg:#050f2e; color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.7;margin:0}
h1,h2,h3{font-family:var(--font-display);line-height:1.25;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.wrap{max-width:1160px;margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 16px var(--font-body);padding:12px 22px;border-radius:999px;border:2px solid transparent;text-decoration:none;cursor:pointer;min-height:46px}
.btn.primary{background:var(--signal);color:#1b1100}
.btn.ghost{border-color:var(--hero-line);color:var(--hero-text)}
.btn.solid{background:var(--accent);color:var(--accent-ink)}
.btn:hover{filter:brightness(1.08)}

/* header */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--hero-bg);color:var(--hero-text);border-bottom:1px solid var(--hero-line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--hero-bg)}
.top .wrap{display:flex;align-items:center;gap:20px;padding-block:10px}
.logo{display:flex;align-items:center;gap:10px;font:700 20px var(--font-display);text-decoration:none;white-space:nowrap}
.logo svg{width:34px;height:34px}
.top nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.top nav a{padding:8px 12px;border-radius:8px;text-decoration:none;font-size:15px;color:var(--hero-muted);white-space:nowrap}
.top nav a:hover{color:var(--hero-text);background:rgba(255,255,255,.08)}
.theme{background:none;border:1px solid var(--hero-line);color:var(--hero-text);border-radius:999px;width:40px;height:40px;cursor:pointer;font-size:16px;flex:none}
@media(max-width:820px){.top nav{display:none}.theme{margin-left:auto}}

/* hero */
.hero{background:var(--hero-bg);color:var(--hero-text);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:32px;align-items:center;padding-block:56px 48px}
.hero h1{font-size:clamp(32px,5vw,56px);font-weight:700;letter-spacing:-.01em}
.hero h1 .ph{display:inline-block}
.hero-wide h1{font-size:clamp(30px,4vw,46px);line-height:1.3}
.hero p.lead{color:var(--hero-muted);font-size:18px;margin-top:18px;max-width:34em}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.facts{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;padding:0;list-style:none}
.facts li{font-size:14px;color:var(--hero-muted);min-width:0}
.facts b{display:block;font:600 22px var(--font-display);color:var(--hero-text)}
.diagram{position:relative;min-width:0}
#fiber{width:100%;height:380px;display:block}
.diagram figcaption{font-size:13px;color:var(--hero-muted);margin-top:4px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-block:36px}#fiber{height:320px}}

/* sections */
section.s{padding-block:76px}
section.s.alt{background:var(--surface2)}
.head{max-width:44em;margin-bottom:36px}
.head h2{font-size:clamp(26px,3.6vw,38px)}
.head p{color:var(--muted);margin-top:12px;font-size:17px}

/* explorer */
.explorer{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:24px;align-items:start}
.tabs{display:flex;flex-direction:column;gap:6px}
.tabs button{display:flex;align-items:center;gap:12px;text-align:left;font:500 16px var(--font-body);color:var(--text);background:transparent;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;min-height:52px}
.tabs button svg{width:26px;height:26px;flex:none;stroke:var(--accent);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabs button[aria-selected="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.tabs button[aria-selected="true"] svg{stroke:var(--accent-ink)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;min-width:0}
.panel h3{font-size:26px}
.panel .tag{color:var(--signal);font-weight:600;margin-bottom:6px;font-size:15px}
.panel .desc{color:var(--muted);margin-top:10px;max-width:42em}
.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}
.cols h4{font:600 16px var(--font-display);margin:0 0 8px}
.cols ul{margin:0;padding-left:20px;color:var(--text)}
.cols li{margin-bottom:5px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chips span{background:var(--surface2);border:1px solid var(--line);border-radius:8px;padding:3px 11px;font-size:14px}
@media(max-width:820px){
 .explorer{grid-template-columns:1fr}
 .tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px}
 .tabs button{flex:none;white-space:nowrap}
 .cols{grid-template-columns:1fr}.panel{padding:22px}}

/* anatomy */
.anatomy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
.bldg{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;min-width:0}
.bldg svg{width:100%;height:auto;display:block}
.bldg text{font-family:var(--font-body);fill:var(--text);font-size:13px}
.roles{display:flex;flex-direction:column;gap:18px}
.role{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px}
.role i{width:44px;height:44px;border-radius:12px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font:700 13px var(--font-display);font-style:normal}
.role h3{font-size:18px}
.role p{color:var(--muted);font-size:15px;margin-top:2px}
.tablewrap{overflow-x:auto;margin-top:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:560px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
th{font-family:var(--font-display);font-weight:600;background:var(--surface2)}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600}
@media(max-width:820px){.anatomy{grid-template-columns:1fr}}

/* building types */
.types{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.type{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0;display:flex;flex-direction:column}
.type .tbody{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.type h3{font-size:21px;margin-bottom:6px}
.type p{color:var(--muted);font-size:15.5px}
.type .stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:16px}
.type .stack span{font-size:13px;background:var(--surface2);border-radius:6px;padding:2px 9px}
@media(max-width:640px){.types{grid-template-columns:1fr;gap:18px}}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--n,5),minmax(0,1fr));gap:0;counter-reset:s}
.steps li{position:relative;padding:44px 14px 0 0;counter-increment:s;min-width:0}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font:600 15px var(--font-display);z-index:1}
.steps li::after{content:"";position:absolute;top:15px;left:32px;right:0;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps h3{font-size:17px}
.steps p{color:var(--muted);font-size:14.5px;margin-top:4px}
@media(max-width:820px){
 .steps{grid-template-columns:1fr;gap:20px}
 .steps li{padding:0 0 0 48px}
 .steps li::after{top:32px;bottom:-20px;left:15px;right:auto;width:2px;height:auto}}

/* quote */
.quote{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:32px;align-items:start}
.contact{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.contact div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:8px;font-size:16px}
.contact dt{color:var(--muted)}
.contact dd{margin:0;user-select:all;overflow-wrap:anywhere}
.note{font-size:13px;color:var(--muted);margin-top:14px}
form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;min-width:0}
form .full{grid-column:1/-1}
label{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:500;min-width:0}
input,select,textarea{font:16px var(--font-body);padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--text);width:100%;min-width:0}
fieldset{border:0;padding:0;margin:0;min-width:0}
legend{font-size:14px;font-weight:500;margin-bottom:8px;padding:0}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{flex-direction:row;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-weight:400;cursor:pointer;background:var(--bg)}
.checks input{width:auto}
.checks label:has(input:checked){background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
#result{grid-column:1/-1;background:var(--surface2);border-radius:10px;padding:16px;font-size:15px;white-space:pre-wrap}
@media(max-width:860px){.quote{grid-template-columns:1fr}form{grid-template-columns:1fr;padding:20px}}

footer.foot{background:var(--hero-bg);color:var(--hero-muted);padding-block:56px 26px;font-size:15px}
footer.foot .wrap{display:block}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.fbrand p{margin:14px 0 18px;max-width:30em;line-height:1.7}
.flogo img{height:56px;width:auto;display:block}.flogo b{color:#fff;font-size:22px}
.fsoc{display:flex;gap:10px}
.fsoc a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.1);color:#cfdcff;display:grid;place-items:center;transition:background .2s,color .2s}
.fsoc a:hover{background:var(--pulse);color:#081d52}
.fcol h4{color:#fff;font-size:17px;margin-bottom:14px}
.fcol a,.fcol span{display:block;color:var(--hero-muted);text-decoration:none;margin-bottom:11px}
.fcol a:hover{color:#fff}
.fbar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px}
@media(max-width:820px){.fgrid{grid-template-columns:1fr 1fr}.fbrand{grid-column:1/-1}.fbar{flex-direction:column}}
@media(max-width:480px){.fgrid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---- เพิ่มสำหรับเวอร์ชันมีหลังบ้าน ---- */
.logo img{height:36px;width:auto;display:block}
.pimg{width:100%;aspect-ratio:16/9;object-fit:cover;box-shadow:0 8px 24px rgba(5,15,46,.25);border-radius:10px;margin-bottom:20px;display:block}
.eqh{font:600 16px var(--font-display);margin:22px 0 0}
.hero-img{width:100%;max-height:440px;object-fit:cover;border-radius:18px;display:block}
.type .tmedia{aspect-ratio:16/9;overflow:hidden;background:var(--surface2)}
.type .tmedia img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.type:hover .tmedia img{transform:scale(1.04)}
@media(prefers-reduced-motion:reduce){.type .tmedia img{transition:none}.type:hover .tmedia img{transform:none}}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.gallery figure{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.gallery figcaption{padding:12px 16px}
.gallery figcaption b{display:block;font-family:var(--font-display);font-weight:600}
.gallery figcaption span{color:var(--muted);font-size:14px}
@media(max-width:820px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.gallery{grid-template-columns:1fr}}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
#result.okmsg{background:#d9f5e3;color:#0b4a22}
#result.errmsg{background:#fde0dc;color:#7a1608}
:root[data-theme="dark"] #result.okmsg{background:#12402a;color:#bff0d1}
:root[data-theme="dark"] #result.errmsg{background:#4a1a14;color:#ffd0c9}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) #result.okmsg{background:#12402a;color:#bff0d1}:root:not([data-theme="light"]) #result.errmsg{background:#4a1a14;color:#ffd0c9}}
.contact dd a{text-decoration:underline}

/* ---- ส่วนระบบ NOC ---- */
.nocgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.noc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-width:0}
.nocshot{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;border:0;background:var(--hero-bg);cursor:zoom-in;overflow:hidden}
.nocshot img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.nocshot:hover img{transform:scale(1.03)}
.nocshot span{position:absolute;right:12px;bottom:12px;background:rgba(5,15,46,.78);color:#fff;font-size:13px;padding:4px 12px;border-radius:999px;opacity:0;transition:opacity .2s}
.nocshot:hover span,.nocshot:focus-visible span{opacity:1}
.nocbody{padding:20px 24px 24px}
.nocbody h3{font-size:20px;margin-bottom:6px}
.nocbody p{color:var(--muted);font-size:15.5px}
.nocbody ul{margin:14px 0 0;padding-left:20px;font-size:15px}
.nocbody li{margin-bottom:4px}
.nocnote{margin-top:18px;color:var(--muted);font-size:14px}
@media(max-width:760px){.nocgrid{grid-template-columns:1fr}.nocshot span{opacity:1}}
@media(prefers-reduced-motion:reduce){.nocshot img{transition:none}.nocshot:hover img{transform:none}}
dialog#lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1600px);max-height:92vh;overflow:visible}
dialog#lightbox::backdrop{background:rgba(3,10,30,.88)}
#lbImg{display:block;max-width:96vw;max-height:88vh;border-radius:12px;margin:auto}
#lbClose{position:absolute;top:-14px;right:-6px;width:40px;height:40px;border-radius:50%;border:0;background:var(--signal);color:#1b1100;font-size:18px;cursor:pointer;z-index:2}

@media(min-width:761px){
 .noc:last-child:nth-child(odd){grid-column:1/-1;flex-direction:row}
 .noc:last-child:nth-child(odd) .nocshot{width:55%;aspect-ratio:auto;min-height:100%}
 .noc:last-child:nth-child(odd) .nocbody{flex:1;align-self:center;padding:28px 32px}
}

/* ---- hero แบบรูปกว้าง ---- */
.hero-wide{overflow:visible;position:relative;z-index:1}
.hero-wide .wrap{display:block;padding-block:48px 40px}
.hero-wide .htop{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:20px 48px;align-items:start}
.hero-wide h1{font-size:clamp(30px,4.2vw,50px)}
.hero-wide .hside .lead{margin-top:0;font-size:17px}
.hero-wide .hside .cta{margin-top:20px}
.hero-wide .facts{margin-top:28px}
.widefig{margin:32px 0 0}
.widefig img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid rgba(255,255,255,.28);box-shadow:0 24px 60px rgba(0,0,0,.4);cursor:zoom-in;background:#0b2566}
.widefig figcaption{margin-top:12px;text-align:right;color:var(--hero-muted);font-size:13px}
@media(max-width:860px){
 .hero-wide .wrap{padding-block:32px 28px}
 .hero-wide .htop{grid-template-columns:1fr}
 .widefig{margin-top:24px}}

/* สไลด์หน้าแรก */
.slider{margin:32px 0 0}
.sl-stage{position:relative;aspect-ratio:3/2;border-radius:18px;overflow:hidden;background:#0b2566;border:1px solid rgba(255,255,255,.28);box-shadow:0 24px 60px rgba(0,0,0,.4)}
.sl{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;transition:opacity 1.2s ease,visibility 0s 1.2s}
.sl.on{opacity:1;visibility:visible;transition:opacity 1.2s ease}
.sl img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in;transform:scale(1.07);transition:transform 12s cubic-bezier(.2,.6,.3,1)}
.sl.on img{transform:scale(1)}
.sl-nav{position:absolute;top:50%;translate:0 -50%;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(8,29,82,.55);color:#fff;font-size:24px;line-height:1;cursor:pointer;backdrop-filter:blur(4px);opacity:0;transition:opacity .25s,background .2s;z-index:2}
.sl-nav.prev{left:12px}.sl-nav.next{right:12px}
.sl-stage:hover .sl-nav,.sl-nav:focus-visible{opacity:1}.sl-nav:hover{background:rgba(8,29,82,.85)}
.sl-bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.18);z-index:2}
.sl-bar i{display:block;height:100%;width:0;background:var(--amber,#ffb020)}
.sl-bar i.run{width:100%;transition:width 10s linear}
.sl-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:14px}
.sl-caps{position:relative;flex:1;min-height:44px}
.sl-cap{position:absolute;inset:0;opacity:0;transform:translateY(8px);transition:opacity .6s,transform .6s;pointer-events:none}
.sl-cap.on{opacity:1;transform:none;pointer-events:auto}
.sl-cap b{display:block;font-size:16px;font-weight:600;color:#fff}
.sl-cap span{display:block;font-size:14px;color:var(--hero-muted);margin-top:2px}
.sl-dots{display:flex;gap:8px}
.sl-dots button{width:26px;height:6px;border:0;border-radius:6px;background:rgba(255,255,255,.28);cursor:pointer;padding:0;transition:background .3s,width .3s}
.sl-dots button.on{background:var(--amber,#ffb020);width:40px}
@media(max-width:640px){.sl-stage{border-radius:14px}.sl-nav{opacity:1;width:34px;height:34px}.sl-cap b{font-size:15px}.sl-cap span{font-size:13px}.sl-foot{flex-direction:column;align-items:flex-start}.sl-caps{width:100%;min-height:58px}}
@media(prefers-reduced-motion:reduce){.sl,.sl img{transition:none!important;transform:none!important}}

/* พอดีหน้าจอ: ภาพไม่ถูกตัด ไม่ต้องเลื่อนลงเพื่อดูภาพ */
.sl::before{content:"";position:absolute;inset:-20px;background:var(--bg) center/cover;filter:blur(22px) brightness(.55);z-index:0}
.sl img{position:relative;z-index:1;object-fit:contain;transform:scale(1.03)}
.hero-wide .htop{align-items:start}
.hero-wide .hside .lead{margin-top:6px}
.hero-wide h1{margin:0}
@media(min-width:861px) and (min-height:560px){
 .hero-wide{min-height:calc(100svh - var(--hh,62px));display:flex}
 .hero-wide .wrap{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;width:100%;padding-block:26px 18px}
 .hero-wide .htop,.hero-wide .slider,.hero-wide .sl-stage{width:100%}
 .hero-wide .facts{align-self:flex-start}
 .hero-wide .facts{margin-top:14px}
 .hero-wide .slider{flex:1;display:flex;flex-direction:column;min-height:0;margin-top:16px}
 .hero-wide .sl-stage{flex:1;aspect-ratio:auto;min-height:260px}
 .sl-foot{margin-top:10px}
}

.hero-wide h1{font-size:clamp(28px,3.1vw,40px)}
.hero-wide .hside .lead{font-size:15px;line-height:1.6;margin:0}
.hero-wide .hside .cta{margin-top:14px}
.hero-wide .hside .facts{margin-top:14px;gap:6px 26px}
.hero-wide .hside .facts b{font-size:18px}
.hero-wide .hside .facts li{font-size:12px}
@media(min-width:861px) and (min-height:560px){.hero-wide .htop{grid-template-columns:minmax(0,6fr) minmax(0,5fr)}}

/* จอกว้าง: ข้อความซ้าย ภาพขวา เต็มพื้นที่ ไม่เหลือแถบเบลอ */
@media(min-width:1000px){
 .hero-wide{display:block;min-height:calc(100svh - var(--hh,62px));display:flex;align-items:center}
 .hero-wide .wrap{display:grid;grid-template-columns:minmax(320px,4fr) minmax(0,7fr);gap:40px;align-items:center;padding-block:24px}
 .hero-wide .htop{display:block;width:auto}
 .hero-wide h1{font-size:clamp(28px,2.7vw,40px);line-height:1.3}
 .hero-wide .hside{margin-top:18px}
 .hero-wide .hside .lead{font-size:15px}
 .hero-wide .slider{margin:0;min-width:0;display:block}
 .hero-wide .sl-stage{aspect-ratio:3/2;flex:none;min-height:0;width:min(100%,calc((100svh - var(--hh,62px) - 110px)*1.5));max-height:none;margin-inline:auto}
}
@media(min-width:1000px) and (max-height:520px){.hero-wide .sl-stage{width:100%}}
@media(min-width:1000px){
 .hero-wide .wrap{grid-template-columns:minmax(380px,5fr) minmax(0,7fr);gap:36px}
 .hero-wide h1{font-size:clamp(26px,2.5vw,38px)}
 .hero-wide .hside .facts{flex-wrap:nowrap;gap:6px 22px}
}
@media(min-width:1000px) and (max-height:720px){
 .hero-wide h1{font-size:clamp(24px,2.3vw,32px)}
 .hero-wide .hside{margin-top:12px}
 .hero-wide .hside .lead{font-size:14px;line-height:1.55}
 .hero-wide .hside .cta{margin-top:12px}.hero-wide .hside .btn{padding:10px 18px;font-size:14px}
 .hero-wide .hside .facts{margin-top:10px}
 .hero-wide .sl-stage{width:min(100%,calc((100svh - var(--hh,62px) - 96px)*1.5))}
}
@media(min-width:1000px){
 .hero-wide .wrap{max-width:1560px;width:94vw;margin-inline:auto;padding-inline:0;grid-template-columns:minmax(380px,4fr) minmax(0,8fr)}
 .hero-wide h1{font-size:clamp(26px,2.4vw,44px)}
 .hero-wide .hside .lead{font-size:clamp(14px,1.05vw,17px)}
}
/* จัดหัวข้อใหม่: บรรทัดแรกเน้นสี ที่เหลือไหลต่อ เว้นระยะจากข้อความนำ */
.hero-wide h1 .ph:first-child{display:block;color:var(--amber,#ffb020)}
@media(min-width:1000px){
 .hero-wide h1{margin-bottom:0}
 .hero-wide .hside,.hero-wide .hside{margin-top:20px}
 .hero-wide .hside .lead{padding-top:0}
}
@media(min-width:1000px) and (max-height:720px){.hero-wide .hside{margin-top:16px}}

/* โลโก้ในแถบบน: ใหญ่ชัด ไม่ถูกบีบ */
.top .wrap{padding-block:6px}
.logo img{height:54px;width:auto;max-width:200px;object-fit:contain;display:block;filter:drop-shadow(0 1px 6px rgba(0,0,0,.25))}
@media(max-width:640px){.logo img{height:44px}}

/* โลโก้ใหญ่ ชัด: ตอนอยู่บนสุดแสดงเต็มขนาด เลื่อนลงแล้วย่อให้แถบบางลง */
:root{--hh:112px}
.logo img{height:100px;max-width:260px;transition:height .25s ease}
header.top .wrap{transition:padding .25s ease}
header.top.shrunk .logo img{height:52px}
@media(max-width:860px){:root{--hh:84px}.logo img{height:72px}header.top.shrunk .logo img{height:44px}}
@media(max-width:640px){:root{--hh:76px}.logo img{height:64px}}
@media(prefers-reduced-motion:reduce){.logo img,header.top .wrap{transition:none}}

/* เมนู 3 ขีด สำหรับมือถือ / ไอแพด */
.burger{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--hero-line);background:transparent;cursor:pointer;padding:0;flex:none;position:relative;color:var(--hero-text)}
.burger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s ease,opacity .2s ease,top .25s ease}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}
@media(max-width:1100px){
 .burger{display:block}
 .theme{margin-left:auto}
 .top nav{display:flex;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;gap:0;padding:8px 16px 16px;background:var(--hero-bg);border-bottom:1px solid var(--hero-line);box-shadow:0 18px 40px rgba(0,0,0,.35);max-height:calc(100svh - 70px);overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s ease,transform .22s ease,visibility 0s .22s}
 .top nav.open{opacity:1;visibility:visible;transform:none;transition:opacity .22s ease,transform .22s ease}
 .top nav a{padding:14px 10px;font-size:17px;border-radius:10px;color:var(--hero-text);border-bottom:1px solid var(--hero-line)}
 .top nav a:last-child{border-bottom:0;margin-top:10px;text-align:center;background:var(--accent,#ff8a1f);color:#1a1200;font-weight:600}
}
@media(prefers-reduced-motion:reduce){.top nav,.burger span{transition:none!important}}

/* ===== ปรับปรุงตามแนวเว็บ ISP ชั้นนำ: eyebrow, การ์ดเริ่มต้น, จุดเด่น, แถบปิดท้าย, ปุ่มลอย ===== */
.eyebrow{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--hero-muted);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:28px;height:2px;border-radius:2px;background:var(--amber,#ffb020)}
.hero-wide .hl{min-width:0}
.head .kick{margin:0 0 8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--signal);text-transform:uppercase}
section.s.tight{padding-block:34px 10px}
.acts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.act{display:flex;align-items:center;gap:16px;padding:20px 22px;border-radius:16px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:inherit;box-shadow:0 6px 24px rgba(8,29,82,.07);transition:transform .2s ease,box-shadow .2s ease,border-color .2s}
.act:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(8,29,82,.14);border-color:var(--signal)}
.act .ai{flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;font-weight:700;background:var(--accent);color:var(--accent-ink)}
.act.alt2 .ai{background:#06c755;color:#fff}
.act b{display:block;font-size:18px}.act em{display:block;font-style:normal;color:var(--muted);font-size:14px;margin-top:2px}
.act i{margin-left:auto;font-style:normal;font-size:22px;color:var(--signal);transition:transform .2s}.act:hover i{transform:translateX(4px)}
.whys{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.why{padding:24px 22px;border-radius:16px;background:var(--surface);border:1px solid var(--line);position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.why:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(8,29,82,.12)}
.why .wn{font:700 34px var(--font-display);color:var(--signal);opacity:.35;display:block;line-height:1}
.why h3{margin:12px 0 6px;font-size:18px}.why p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
.ctaband{background:linear-gradient(120deg,#081d52,#1b3f9e);color:#fff;padding-block:52px}
.ctaband .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.ctaband h2{margin:0 0 6px;font-size:clamp(22px,2.6vw,32px);color:#fff}.ctaband p{margin:0;color:rgba(255,255,255,.78)}
.ctaband .cb{display:flex;gap:12px;flex-wrap:wrap}
.hphone{display:none;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;border:1px solid var(--hero-line);color:var(--hero-text);text-decoration:none;font-size:15px;font-weight:600;white-space:nowrap;flex:none}
.hphone:hover{background:rgba(255,255,255,.08)}
@media(min-width:2000px){.hphone{display:inline-flex}}
@media(min-width:1001px) and (max-width:1400px){.top nav a{padding:8px 7px;font-size:14px}}
.fab{position:fixed;right:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));display:none;flex-direction:column;gap:10px;z-index:25}
.fab a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;text-decoration:none;color:#fff;font-size:12px;font-weight:700;box-shadow:0 8px 22px rgba(0,0,0,.35)}
.fab .fl{background:#06c755}.fab .fp{background:var(--accent);color:var(--accent-ink)}
@media(max-width:1000px){.fab{display:flex}}
@media(max-width:1000px){.whys{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.acts,.whys{grid-template-columns:1fr}.act{padding:16px}.ctaband{padding-block:40px}.ctaband .cb .btn{flex:1;text-align:center}}

section[id]{scroll-margin-top:72px}

/* ===== ส่วน NOC แบบนำเสนอโปรแกรม ===== */
.nochero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:36px;align-items:center;padding:40px;border-radius:24px;background:linear-gradient(135deg,#081d52,#12378a);color:#fff;box-shadow:0 24px 60px rgba(8,29,82,.28)}
.nochero .kick{margin:0 0 10px;font-size:13px;font-weight:600;letter-spacing:.04em;color:#ffb22e}
.nochero h2{color:#fff;margin:0 0 12px;font-size:clamp(26px,3vw,40px);line-height:1.25}
.nochero .nh-sub{color:rgba(255,255,255,.8);margin:0 0 18px;font-size:16px;line-height:1.7}
.nbadges{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:8px}
.nbadges li{padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.28);font-size:13.5px;background:rgba(255,255,255,.07)}
.nochero .cta{display:flex;gap:12px;flex-wrap:wrap}
.nh-shot{margin:0;min-width:0}
.nh-shot .nocshot{border-radius:14px;border:1px solid rgba(255,255,255,.25);box-shadow:0 18px 44px rgba(0,0,0,.4)}
.nh-shot figcaption{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.72)}
.nh-shot figcaption b{color:#fff;margin-right:6px}
.nsub{margin-top:64px}
.nsub .head{margin-bottom:26px}
.h2like{font:600 clamp(22px,2.4vw,30px)/1.3 var(--font-display);margin:0 0 6px}
.pains{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px}
.pains li{display:flex;gap:12px;align-items:flex-start;padding:14px 18px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-size:15.5px}
.pains li span{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:#fde4e1;color:#c0392b}
.nfeat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.nf{display:flex;gap:14px;padding:18px;border-radius:14px;background:var(--surface);border:1px solid var(--line);transition:transform .2s,box-shadow .2s}
.nf:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(8,29,82,.12)}
.nf .ck{flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font-size:14px;font-weight:700}
.nf b{display:block;font-size:16px;margin-bottom:2px}.nf p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.6}
.nfg{margin:30px 0 14px;font-size:15px;letter-spacing:.02em;color:var(--signal);font-weight:700;display:flex;align-items:center;gap:12px}
.nfg::after{content:"";flex:1;height:1px;background:var(--line)}
.nfg:first-child{margin-top:0}
.nextra{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.nx{position:relative;padding:22px 20px 20px;border-radius:16px;background:linear-gradient(160deg,#0d2a73,#081d52);color:#eaf0ff;border:1px solid rgba(255,255,255,.12)}
.nx .nn{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--pulse);color:#1a1200;font-weight:700;font-size:14px;margin-bottom:12px}
.nx b{display:block;font-size:16.5px;margin-bottom:6px;color:#fff}.nx p{margin:0;font-size:14.5px;line-height:1.65;color:#b9c8ee}
.plan .plimg{width:calc(100% + 0px);aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin:0 0 16px;display:block;box-shadow:0 6px 18px rgba(5,15,46,.22)}
.plan .pprice{margin:0 0 16px;padding:12px 0;border-block:1px dashed var(--line)}
.plan .pprice b{display:block;font-size:20px;line-height:1.35;color:var(--accent)}.plan .pprice small{color:var(--muted);font-size:13px}
.nplans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;padding:26px 24px;border-radius:18px;background:var(--surface);border:1px solid var(--line)}
.plan.hot{border:2px solid var(--signal);box-shadow:0 16px 40px rgba(255,138,31,.16)}
.plan .ptag{position:absolute;top:-12px;left:22px;padding:3px 14px;border-radius:999px;background:var(--signal);color:#1a1200;font-size:12.5px;font-weight:700}
.plan h4{margin:0 0 6px;font-size:20px}.plan .pd{margin:0 0 14px;color:var(--muted);font-size:15px}
.plan ul{list-style:none;margin:0 0 20px;padding:0;flex:1}
.plan li{position:relative;padding:5px 0 5px 24px;font-size:15px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--signal);font-weight:700}
.btn.ghost2{border:1px solid var(--line);color:var(--text);background:transparent;text-align:center}
.btn.ghost2:hover{border-color:var(--signal)}
.plan .btn{text-align:center}
.faq{display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0 18px}
.faq summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--signal);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 16px;color:var(--muted);font-size:15px;line-height:1.7}
.noccta{margin-top:64px;padding:30px 34px;border-radius:20px;background:var(--surface);border:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.noccta h3{margin:0 0 4px;font-size:22px}.noccta p{margin:0;color:var(--muted)}
.noccta .cb{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:1000px){.nextra{grid-template-columns:repeat(2,minmax(0,1fr))}.nochero{grid-template-columns:1fr;padding:28px}.nfeat{grid-template-columns:repeat(2,minmax(0,1fr))}.nplans{grid-template-columns:1fr}}
@media(max-width:640px){.nextra{grid-template-columns:1fr}.pains,.nfeat{grid-template-columns:1fr}.nochero{padding:22px;border-radius:18px}.nsub{margin-top:48px}.noccta{padding:22px}.noccta .cb .btn{flex:1;text-align:center}}

.bldg-img{margin:0;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.bldg-img img{display:block;width:100%;height:auto;cursor:zoom-in}
.bldg-img figcaption{margin-top:10px;font-size:13px;color:#56637f}
.anatomy:has(.bldg-img){grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}@media(max-width:820px){.anatomy:has(.bldg-img){grid-template-columns:1fr}}

.bldg-vec{padding:18px;background:#fff}
.bldg-vec svg{width:100%;height:auto;display:block}
.bldg-vec .nt{fill:#13203d;font-family:var(--font-body)}
.bldg-vec .pt{fill:#fff;font-family:var(--font-display);font-weight:600}
.anatomy:has(.bldg-vec){grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
@media(max-width:820px){.anatomy:has(.bldg-vec){grid-template-columns:1fr}}

.survey-cta{display:inline-flex;align-items:center;gap:10px;margin-top:18px;padding:10px 18px 10px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:var(--hero-text,#fff);font:600 14.5px/1 var(--font-body,inherit);text-decoration:none;transition:background .2s,border-color .2s,transform .2s}
.survey-cta svg{color:#ffb24a;flex:none}
.survey-cta .ar{font-size:20px;line-height:1;margin-left:2px;transition:transform .2s}
.survey-cta:hover{background:rgba(255,255,255,.16);border-color:#ffb24a;transform:translateY(-1px)}
.survey-cta:hover .ar{transform:translateX(3px)}

/* สไลด์หน้าแรก: ภาพเต็มกรอบ (ขนาดหน้าเว็บเท่าเดิม) ภาพเต็มดูได้โดยคลิกขยาย */
@media(min-width:1000px){
 .hero-wide .sl-stage{width:100%;aspect-ratio:16/10;max-height:calc(100svh - var(--hh,62px) - 110px);min-height:260px}
 .hero-wide .sl img{object-fit:cover;transform:none}
}
@media(min-width:1000px) and (max-height:720px){.hero-wide .sl-stage{max-height:calc(100svh - var(--hh,62px) - 96px)}}