@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&display=swap');

:root{--ink:#07121f;--ink-2:#0a1a2a;--cyan:#19c8e5;--cyan-2:#7eeeff;--paper:#f2f5f4;--white:#fff;--muted:#9dacb8;--line:rgba(255,255,255,.14);--max:1240px;--pad:clamp(22px,5vw,72px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans Thai","Manrope",sans-serif;overflow-x:hidden}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(var(--max),calc(100% - var(--pad)*2));margin-inline:auto}
.section{padding:clamp(92px,11vw,160px) 0}
.kicker{display:block;color:#5e7381;font:500 11px/1 "DM Mono",monospace;letter-spacing:.16em;margin-bottom:28px}
.loader{position:fixed;z-index:9999;inset:0;display:grid;place-items:center;background:#050d16;transition:transform .9s cubic-bezier(.77,0,.175,1) .15s}
.loader.loaded{transform:translateY(-105%);visibility:hidden;transition:transform .9s cubic-bezier(.77,0,.175,1) .15s,visibility 0s linear 1.05s}
.loader__core{text-align:center;color:white}.loader__mark{display:block;width:142px;height:auto;margin:auto;filter:drop-shadow(0 0 18px rgba(25,200,229,.28));animation:loadPulse 1s ease-in-out infinite alternate}.loader__line{width:180px;height:1px;margin:28px auto 18px;background:#253645;overflow:hidden}.loader__line span{display:block;width:50%;height:100%;background:var(--cyan);animation:loadLine 1.2s ease-in-out infinite}.loader p{font:500 9px "DM Mono";letter-spacing:.28em;color:#7e909d}
@keyframes loadLine{from{transform:translateX(-110%)}to{transform:translateX(210%)}}@keyframes loadPulse{to{opacity:.55;transform:scale(.94)}}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:88px;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;color:white;border-bottom:1px solid rgba(255,255,255,.13);transition:background .35s,height .35s}
.site-header.scrolled{height:72px;background:rgba(5,15,25,.92);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;position:relative;z-index:102}.brand__logo{display:block;width:132px;height:auto;max-height:50px;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(0,0,0,.18));transition:width .35s ease,filter .35s ease}.site-header.scrolled .brand__logo{width:116px;filter:drop-shadow(0 3px 9px rgba(0,0,0,.2))}.brand__logo--full,.site-header.scrolled .brand__logo--full{width:clamp(200px,15vw,230px);max-height:none;filter:drop-shadow(0 5px 14px rgba(0,0,0,.24))}
.desktop-nav{display:flex;align-items:center;gap:clamp(22px,2.6vw,40px);margin-left:auto;margin-right:clamp(28px,4vw,60px)}.desktop-nav a{font-size:13px;font-weight:500;color:#c7d0d6;position:relative}.desktop-nav a:after{content:"";position:absolute;height:1px;bottom:-9px;left:0;width:100%;background:var(--cyan);transform:scaleX(0);transform-origin:right;transition:transform .3s}.desktop-nav a:hover:after{transform:scaleX(1);transform-origin:left}
.header-actions{display:flex;align-items:center;gap:20px;position:relative;z-index:102}.language-switch{display:flex;gap:2px;align-items:center;font:500 11px "DM Mono";color:#7f929e}.lang-btn{min-width:34px;min-height:44px;padding:0 6px;border:0;background:none;color:#7f929e;cursor:pointer}.lang-btn.active{color:var(--cyan)}.header-cta{display:flex;align-items:center;gap:22px;border-left:1px solid rgba(255,255,255,.16);padding-left:22px;font-size:13px}.header-cta i,.btn i{font-style:normal;font:400 17px "Manrope"}.menu-toggle{display:none;width:44px;height:44px;padding:12px 11px;border:0;background:transparent;cursor:pointer}.menu-toggle span{display:block;width:22px;height:1px;background:white;margin:6px auto;transition:.3s}
.mobile-menu{display:none;position:fixed;z-index:101;inset:0;height:100dvh;background:#07121f;padding:104px var(--pad) 36px;overflow-y:auto;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-20px);transition:opacity .3s ease,transform .45s cubic-bezier(.77,0,.175,1),visibility 0s linear .45s}.mobile-menu nav{display:flex;flex-direction:column}.mobile-menu a{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-menu a:last-child{border-bottom:0}.mobile-menu a span{flex:0 0 28px;font:10px "DM Mono";color:var(--cyan)}.mobile-menu a b{font-size:clamp(22px,6.5vw,32px);line-height:1.35}
.hero{position:relative;min-height:760px;height:100svh;color:white;background:var(--ink);overflow:hidden;display:flex;align-items:center}.hero__image{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,12,21,.95) 0%,rgba(4,12,21,.72) 37%,rgba(4,12,21,.16) 67%,rgba(4,12,21,.2) 100%),linear-gradient(0deg,rgba(4,12,21,.62),transparent 45%),url("assets/txp-engineering-hero.jpg") center/cover no-repeat;transform:scale(1.04);animation:heroZoom 10s ease-out forwards}@keyframes heroZoom{to{transform:scale(1)}}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(72,177,202,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(72,177,202,.06) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(to right,black,transparent 68%)}
.hero__content{position:relative;z-index:2;padding-top:75px}.eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:28px}.eyebrow span{width:42px;height:1px;background:var(--cyan)}.eyebrow b{font:500 10px "DM Mono";letter-spacing:.17em;color:#9aabb8}.hero h1{font-size:clamp(50px,6.2vw,92px);font-weight:600;letter-spacing:-.055em;line-height:1.09;margin:0;max-width:820px}.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.52)}.hero__lead{max-width:670px;color:#bdc8cf;font-size:clamp(15px,1.3vw,19px);line-height:1.85;margin:34px 0 35px}.hero__actions{display:flex;align-items:center;gap:34px}.btn{min-height:58px;padding:0 25px;display:inline-flex;align-items:center;justify-content:center;gap:40px;font-size:13px;font-weight:600;transition:.3s}.btn--primary{background:var(--cyan);color:#041019}.btn--primary:hover{background:var(--cyan-2);transform:translateY(-2px)}.text-link{min-height:44px;display:flex;align-items:center;gap:11px;font-size:13px}.pulse{width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 0 0 rgba(25,200,229,.65);animation:pulse 2s infinite}@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(25,200,229,0)}}
.hero__rail{position:absolute;z-index:2;right:var(--pad);bottom:34px;display:flex;align-items:center;gap:15px;font:9px "DM Mono";letter-spacing:.12em;color:#7f929e}.hero__rail i{width:54px;height:1px;background:#506370}.scroll-cue{position:absolute;z-index:2;bottom:22px;left:var(--pad);min-height:44px;display:flex;gap:16px;align-items:center}.scroll-cue small{font-size:10px;color:#7f929e}.scroll-cue span{color:var(--cyan)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}.reveal.visible{opacity:1;transform:none}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:end;margin-bottom:64px}.section-head h2,.about h2,.contact h2{font-size:clamp(40px,4.9vw,72px);letter-spacing:-.045em;line-height:1.12;margin:0;font-weight:600}.section-head>p{max-width:510px;line-height:1.9;color:#566a76;font-size:16px;margin:0 0 7px}
.service-panels{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#ccd4d5;border:1px solid #ccd4d5}.service-panel{position:relative;padding:clamp(32px,4.2vw,64px);background:#e8edec;min-height:650px;overflow:hidden;transition:background .45s,color .45s}.service-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,transparent 45%,rgba(25,200,229,.12));opacity:0;transition:.45s}.service-panel:hover{background:#0b1a29;color:white}.service-panel:hover:before{opacity:1}.panel-no{position:absolute;right:28px;top:26px;font:11px "DM Mono";color:#536a73}.panel-icon{width:70px;height:70px;display:grid;place-items:center;border:1px solid #b9c4c5;margin-bottom:60px}.panel-icon svg{width:35px;fill:none;stroke:var(--ink);stroke-width:1.5;transition:stroke .4s}.service-panel:hover .panel-icon svg{stroke:var(--cyan)}.panel-tag{font:500 10px "DM Mono";letter-spacing:.15em;color:#526771}.service-panel h3{font-size:clamp(32px,3.2vw,48px);line-height:1.2;letter-spacing:-.035em;margin:18px 0}.service-panel>p{max-width:480px;color:#536a73;line-height:1.75;min-height:58px}.service-panel:hover>p{color:#b4c0c7}.service-panel ul{list-style:none;padding:0;margin:36px 0 0}.service-panel li{border-top:1px solid rgba(100,120,126,.25);padding:13px 0;font-size:13px;display:flex;align-items:center}.service-panel li:before{content:"+";font:14px "DM Mono";color:#6e858f;margin-right:12px}.service-panel:hover li{border-color:rgba(255,255,255,.12)}.service-panel:hover li:before{color:var(--cyan)}
.about{display:grid;grid-template-columns:1fr 1fr;padding:0;background:#dfe5e4;min-height:760px}.about__visual{position:relative;min-height:650px;background-color:#081726;background-image:linear-gradient(rgba(52,146,173,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(52,146,173,.08) 1px,transparent 1px);background-size:56px 56px;display:grid;place-items:center;overflow:hidden}.about__visual:after{content:"";position:absolute;width:60%;height:60%;background:var(--cyan);filter:blur(160px);opacity:.09}.tech-orbit{position:relative;width:min(64%,440px);aspect-ratio:1;border:1px solid rgba(56,179,208,.23);border-radius:50%;display:grid;place-items:center}.orbit{position:absolute;border:1px solid rgba(69,193,221,.28);border-radius:50%}.orbit--1{inset:16%;animation:spin 16s linear infinite}.orbit--1:before{content:"";position:absolute;width:8px;height:8px;background:var(--cyan);border-radius:50%;top:20%;left:2%;box-shadow:0 0 16px var(--cyan)}.orbit--2{inset:32%;border-style:dashed;animation:spin 10s linear infinite reverse}.orbit--3{inset:-18%;border-style:dashed;opacity:.3;animation:spin 30s linear infinite}.core{position:relative;font:700 clamp(40px,5vw,72px) "Manrope";font-style:normal;letter-spacing:.12em;color:white;text-shadow:0 0 35px rgba(25,200,229,.25)}@keyframes spin{to{transform:rotate(360deg)}}
.data-card{position:absolute;background:rgba(8,26,41,.82);border:1px solid rgba(72,185,213,.28);backdrop-filter:blur(8px);padding:15px 18px;color:white;display:flex;flex-direction:column}.data-card small{font:8px "DM Mono";color:#6e8593;letter-spacing:.14em}.data-card b{font:500 11px "DM Mono";color:var(--cyan);margin-top:5px}.data-card--a{left:7%;top:13%}.data-card--a span{width:100%;height:2px;background:var(--cyan);margin-top:10px}.data-card--b{right:7%;bottom:13%}
.about__content{padding:clamp(70px,8vw,130px);display:flex;flex-direction:column;justify-content:center}.about__lead{font-size:clamp(19px,2vw,27px);line-height:1.6;margin:35px 0 18px}.about__content>p:not(.about__lead){line-height:1.85;color:#536871;max-width:620px}.values{margin-top:45px}.values div{display:grid;grid-template-columns:50px 1fr;align-items:center;border-top:1px solid #b8c3c3;padding:15px 0}.values b{font:500 10px "DM Mono";color:#536871}.values span{font-size:14px;font-weight:600}
.process{background:#071421;color:white;position:relative;overflow:hidden}.process:before{content:"TXP";position:absolute;right:-1vw;bottom:-11vw;font:700 31vw/1 "Manrope";color:rgba(255,255,255,.018);letter-spacing:-.08em}.section-head--light>p{color:#91a0aa}.section-head--light .kicker{color:var(--cyan)}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}.process-grid article{position:relative;padding:45px 30px 40px 0;min-height:270px;border-right:1px solid var(--line)}.process-grid article:not(:first-child){padding-left:30px}.process-grid article:last-child{border-right:0}.process-grid span{font:11px "DM Mono";color:var(--cyan)}.process-grid i{display:block;width:7px;height:7px;background:var(--cyan);border-radius:50%;margin:40px 0 35px;box-shadow:0 0 0 6px rgba(25,200,229,.08)}.process-grid h3{font:600 20px "Manrope";margin:0 0 13px}.process-grid p{font-size:13px;line-height:1.7;color:#8b9ba6;margin:0}
.contact{position:relative;background:#e9eeee;overflow:hidden}.contact__backdrop{position:absolute;right:-12%;top:-30%;width:65vw;aspect-ratio:1;border-radius:50%;border:1px solid rgba(20,75,89,.1);box-shadow:0 0 0 70px rgba(20,75,89,.025),0 0 0 140px rgba(20,75,89,.018)}.contact__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10%}.contact h2 em{font-style:normal;color:#667b84}.contact__headline>p{max-width:580px;line-height:1.9;color:#566a73;margin:30px 0}.contact__details{padding-top:45px}.contact-row{display:grid;grid-template-columns:105px 1fr;border-top:1px solid #bdc8c9;padding:26px 0}.contact-row>span{font:500 9px "DM Mono";letter-spacing:.14em;color:#596e77}.contact-row div{display:flex;flex-direction:column;gap:6px}.contact-row a,.contact-row p{font-size:15px;margin:0;line-height:1.7}.contact-row a{min-height:44px;display:flex;align-items:center}.contact-row a:hover{color:#0b91aa}.map-link{font-size:12px!important;margin-top:4px;color:#168da5}
footer{background:#050d15;color:white;padding:62px 0 20px}.footer__main{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-bottom:46px}.brand--footer{color:white;flex:0 0 auto}.footer__main>p{font:11px "DM Mono";letter-spacing:.08em;color:#778994}.back-top{min-height:44px;display:flex;align-items:center;font-size:12px;color:#a0afb8}.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;display:flex;justify-content:space-between;font:9px "DM Mono";letter-spacing:.1em;color:#728591}
@media(max-width:980px){.desktop-nav,.header-cta{display:none!important}.menu-toggle{display:block}.mobile-menu{display:block}.menu-open .mobile-menu{visibility:visible;opacity:1;pointer-events:auto;transform:none;transition-delay:0s}.menu-open .menu-toggle span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-open .menu-toggle span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.service-panel{min-height:auto}.about__content{padding:70px 45px}.process-grid{grid-template-columns:1fr 1fr}.process-grid article:nth-child(2){border-right:0}.process-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}.contact__inner{gap:5%}}
@media(max-width:720px){:root{--pad:22px}.site-header{height:72px}.brand__logo,.site-header.scrolled .brand__logo{width:112px;max-height:43px}.brand__logo--full,.site-header.scrolled .brand__logo--full{width:min(200px,68vw);max-height:none}.header-actions{gap:10px}.mobile-menu{padding-top:90px}.mobile-menu a{padding:16px 0}.hero{min-height:720px}.hero__image{background-position:63% center;opacity:.8}.hero__content{padding-top:38px}.hero h1{font-size:clamp(46px,13vw,66px)}.hero__lead{max-width:92%;font-size:14px}.hero__actions{align-items:flex-start;flex-direction:column;gap:10px}.hero__rail{display:none}.scroll-cue{bottom:12px}.section-head{grid-template-columns:1fr;gap:28px;margin-bottom:45px}.section-head h2,.about h2,.contact h2{font-size:42px}.service-panels{grid-template-columns:1fr}.service-panel{padding:38px 28px}.panel-icon{margin-bottom:42px}.service-panel>p{min-height:0}.about{grid-template-columns:1fr}.about__visual{min-height:470px}.about__content{padding:75px var(--pad)}.process-grid{grid-template-columns:1fr}.process-grid article,.process-grid article:not(:first-child){padding:30px 0;border-right:0;border-bottom:1px solid var(--line);min-height:auto}.process-grid i{margin:22px 0}.contact__inner{grid-template-columns:1fr}.contact__details{padding-top:65px}.contact-row{grid-template-columns:80px 1fr}.contact-row a{overflow-wrap:anywhere}.footer__main{align-items:flex-start;gap:28px;flex-direction:column}.footer__bottom{gap:12px;flex-direction:column}.data-card{transform:scale(.85)}.language-switch{margin-right:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}