@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#1d1d1f;--muted:#6e6e73;--blue:#0071e3;--teal:#007d78;--line:#dedee2;--paper:#f5f5f7;--white:#fff;font-family:'Manrope','IBM Plex Sans Thai',sans-serif;color:var(--ink);background:var(--paper);font-size:16px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,summary,textarea{outline-offset:5px}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--blue)}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}h1{font-size:clamp(2.7rem,5.4vw,4.7rem);line-height:1.28;letter-spacing:-.04em;font-weight:600}h2{font-size:clamp(2rem,3.2vw,3rem);line-height:1.4;letter-spacing:-.025em;font-weight:600}h3{font-size:1.4rem;line-height:1.5;font-weight:600}p{line-height:1.8}button{cursor:pointer}header,main>section,footer{padding-left:max(5vw,calc((100vw - 1200px)/2));padding-right:max(5vw,calc((100vw - 1200px)/2))}.header{height:70px;display:flex;align-items:center;justify-content:space-between;gap:35px;border-bottom:1px solid #ededf0;background:#ffffffec;backdrop-filter:blur(18px);position:sticky;top:0;z-index:10}.brand{font-size:1.5rem;font-weight:800;letter-spacing:-.07em;line-height:1;white-space:nowrap}.brand span{font-weight:500}.brand small{display:none}.header nav{display:flex;gap:38px;font-size:.85rem}.header nav a:hover,.text-link:hover{color:var(--blue)}.button{border:0;border-radius:999px;background:var(--blue);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:13px 24px;font-weight:500;line-height:1.5;font-size:.95rem}.button:hover{background:#0077ed}.button.small{font-size:.8rem;padding:9px 17px}.button.light{background:var(--blue);color:#fff}.button.outline{background:transparent;color:var(--blue);border:1px solid var(--blue)}.text-link{font-weight:500;color:var(--blue);line-height:1.6}.hero{padding-top:55px;padding-bottom:24px;text-align:center;overflow:hidden}.eyebrow{font-family:'Manrope','IBM Plex Sans Thai',sans-serif;font-weight:600;font-size:.8rem;letter-spacing:.065em;margin-bottom:17px}.hero .eyebrow{color:#6e6e73;margin-bottom:17px}.hero h1 span{color:#007d78}.lead{font-size:1.18rem;color:var(--muted);margin:22px 0 27px}.hero .lead{max-width:640px;margin:18px auto 23px;font-size:1.1rem}.actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.hero .actions{justify-content:center}.hero-art{margin:22px auto 0;max-width:880px}.hero-art img{width:100%;height:auto;aspect-ratio:1.5;object-fit:contain;mix-blend-mode:multiply}.hero-art figcaption{font-size:.75rem;color:#86868b;line-height:1.7;margin-top:-7px}.product-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:34px;padding:27px 5vw;border-top:1px solid #e5e5ea;border-bottom:1px solid #e5e5ea;background:#fff}.product-nav a{font-size:.9rem;color:#515158}.product-nav a:hover{color:var(--blue)}.section{padding-top:78px;padding-bottom:78px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}.section-heading .eyebrow{color:#6e6e73;margin-bottom:10px}.section-heading h2 .soft{color:#6e6e73}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.service-card{padding:34px;min-height:250px;border:0;border-radius:24px;background:#fff;position:relative;transition:transform .2s,box-shadow .2s}.service-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #00000007}.card-number{font-size:.75rem;letter-spacing:.055em;font-weight:600;display:block;margin-bottom:33px;color:#6e6e73}.service-card h3{font-size:1.45rem;margin-bottom:14px}.service-card p{font-size:.9rem;color:#6e6e73;max-width:90%}.card-arrow{position:absolute;right:25px;bottom:22px;font-size:1.2rem;color:var(--blue)}.service-card.teal,.service-card.lime{background:#fff}.home-product-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.product-feature{background:#fff;border-radius:26px;padding:42px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between}.product-feature.dark{background:#1d1d1f;color:#fff}.product-feature h3{font-size:2.4rem;letter-spacing:-.03em;line-height:1.4}.product-feature p{color:#6e6e73;margin:14px 0 25px}.product-feature.dark p{color:#bdbdc4}.product-feature .feature-price{font-size:2rem;font-weight:600;letter-spacing:-.03em;margin-top:20px}.product-feature .feature-price small{font-size:.8rem;font-weight:400;letter-spacing:0;color:#6e6e73;display:block;margin-top:8px}.product-feature.dark .feature-price small{color:#bdbdc4}.product-feature .text-link{font-size:.95rem}.product-feature.dark .text-link{color:#70b5ff}footer{padding-top:55px;padding-bottom:45px}.skip{position:absolute;top:-100px;background:#fff;padding:12px;z-index:50}.skip:focus{top:10px}[hidden]{display:none!important}
@media(min-width:1450px){.hero-art{max-width:960px}.hero{padding-top:64px}}
@media(max-width:950px){.header nav{gap:24px}.header{gap:20px}.service-card{padding:26px}.hero-art{max-width:760px}.hero h1{font-size:3.8rem}.product-nav{gap:25px}.product-feature{padding:32px}}
@media(max-width:720px){.header{height:auto;min-height:68px;flex-wrap:wrap;padding-top:17px;padding-bottom:12px;gap:15px}.header .brand{font-size:1.4rem}.header nav{order:3;flex-basis:100%;justify-content:space-between;font-size:.82rem;gap:10px;padding-top:9px}.header .button{font-size:.78rem;padding:8px 14px}.hero{padding-top:38px;padding-bottom:22px}.hero h1{font-size:2.65rem;line-height:1.35;letter-spacing:-.035em}.hero .eyebrow{font-size:.75rem}.hero .lead{font-size:1rem;line-height:1.8;margin:16px auto 22px}.hero .actions{gap:20px}.hero .button{font-size:.9rem}.hero .text-link{font-size:.9rem}.hero-art{margin-top:24px;width:112%;max-width:none;margin-left:-6%}.hero-art figcaption{font-size:.75rem;margin-top:4px}.product-nav{gap:13px 23px;padding:20px 5vw}.product-nav a{font-size:.8rem}.section{padding-top:48px;padding-bottom:48px}.section-heading{align-items:start;flex-direction:column;gap:19px}.section-heading h2{font-size:2rem}.service-grid{grid-template-columns:1fr}.service-card{min-height:200px;padding:28px}.card-number{margin-bottom:23px}.home-product-grid{grid-template-columns:1fr}.product-feature{padding:29px;min-height:300px}.product-feature h3{font-size:2.05rem}.lead{font-size:1.05rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.hero-art img{mask-image:radial-gradient(ellipse 82% 82% at 50% 50%,#000 66%,transparent 100%)}
/* Shared service, calculator, editorial and contact layouts. */
.breadcrumb{max-width:1320px;margin:0 auto;padding:28px 5vw 0;display:flex;gap:12px;align-items:center;font-size:.85rem;color:#6e6e73;flex-wrap:wrap}.breadcrumb a:hover{color:var(--blue)}.page-intro{padding-top:52px;padding-bottom:46px;text-align:center}.page-intro .lead{max-width:680px;margin:22px auto 0}.page-intro h1{font-size:clamp(2.5rem,5vw,4rem);line-height:1.35}.page-intro .eyebrow{color:#6e6e73}.compact{padding-top:12px}.service-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:80px;padding-top:56px;padding-bottom:70px;align-items:center}.service-hero h1{font-size:clamp(2.5rem,4vw,3.7rem);line-height:1.4}.service-hero .eyebrow{color:#6e6e73}.price-tag{margin:28px 0}.price-tag small{display:block;color:#6e6e73;margin-bottom:9px;font-size:.85rem}.price-tag strong{font-size:1.6rem;font-weight:600}.spec-panel{border-radius:26px;background:#fff;padding:40px}.spec-panel h2{font-size:1.7rem}.spec-panel ul{list-style:none;padding:0;margin:22px 0 0}.spec-panel li{padding:15px 0;border-top:1px solid var(--line);line-height:1.7}.service-body{display:grid;grid-template-columns:1.5fr 1fr;gap:70px;background:#fff;align-items:start}.service-body h2{font-size:2rem;margin-bottom:22px}.service-body p{color:#515158}.note{background:var(--paper);padding:27px;border-radius:16px;margin:32px 0 44px}.note strong{display:block;margin-bottom:10px}.note p{font-size:.92rem;margin-top:12px}.catalog-preview{padding:16px;background:var(--paper);border-radius:20px}.catalog-preview img{border-radius:10px;width:100%}.catalog-preview span{display:block;text-align:center;font-size:.9rem;color:var(--blue);padding:17px 0 3px}.faq-list details{border-top:1px solid var(--line);padding:21px 0}.faq-list summary{cursor:pointer;list-style:none;display:flex;gap:20px;justify-content:space-between;font-weight:600;line-height:1.6}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:#6e6e73;font-size:1.3rem}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{margin-top:15px;color:#6e6e73}.estimate-promo{background:#fff;padding-top:85px;padding-bottom:85px;display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.estimate-promo h2{font-size:clamp(2.2rem,4vw,3.4rem)}.estimate-promo p:not(.eyebrow){color:#6e6e73;margin:23px 0 28px;font-size:1.1rem}.sample-quote{background:var(--paper);border-radius:28px;padding:38px;box-shadow:0 15px 35px #00000006}.pill{display:inline-block;background:#fff;color:#6e6e73;border-radius:20px;padding:7px 13px;font-size:.8rem;font-weight:600;margin-bottom:20px}.sample-quote h3{font-size:1.8rem}.sample-quote p:not(.eyebrow){font-size:.9rem;margin:10px 0 25px}.sample-row{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line);gap:15px;font-size:.95rem}.sample-total{display:flex;justify-content:space-between;align-items:center;padding-top:22px;gap:15px}.sample-total strong{font-size:2.4rem}.sample-total small{font-size:1rem;font-weight:500}.sample-quote p.fine{margin:20px 0 0!important;font-size:.8rem!important}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:55px}.steps b{font-size:2.5rem;color:#b7b7bc;font-weight:600;display:block;margin-bottom:23px}.steps h3{font-size:1.3rem;margin-bottom:15px}.steps p{color:#6e6e73}.feature-guide{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center;background:#fff;border-radius:26px;padding:36px}.feature-guide img{border-radius:14px;width:100%}.feature-guide h3{font-size:1.8rem}.feature-guide p{color:#6e6e73;margin:20px 0}.guide-home{padding-bottom:85px}.contact-band{background:#eaf3f2;display:flex;align-items:center;justify-content:space-between;gap:40px;padding-top:76px;padding-bottom:76px}.contact-band h2{font-size:2.8rem}.contact-band>div>p:not(.eyebrow){margin-top:20px;font-size:.95rem;color:#596568}.contact-band .eyebrow{color:#6e6e73}.contact-band .button{background:#007c74;color:#fff}.footer-about{margin-top:20px}footer{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;align-items:start;gap:35px;background:var(--paper);color:var(--ink);border-top:1px solid var(--line)}footer h3{font-size:.85rem;font-weight:600;margin-bottom:20px}footer a:not(.brand){display:block;font-size:.8rem;color:#59595f;margin-bottom:13px;overflow-wrap:anywhere}footer a:hover{color:var(--blue)}footer p{color:#6e6e73;font-size:.8rem}.footer-bottom{padding:22px 5vw;border-top:1px solid var(--line);font-size:.75rem;color:#6e6e73;display:flex;justify-content:space-between;gap:20px}.calculator-section{padding-bottom:90px;display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:start}.calculator-form{background:#fff;border-radius:28px;padding:38px}.form-heading{margin-bottom:24px}.form-heading .pill{background:var(--paper);margin-bottom:12px}.form-heading h2{font-size:1.65rem}.form-heading.second{margin-top:35px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.field{display:flex;flex-direction:column;gap:10px;font-size:.9rem;color:#424247;font-weight:500}.field select,.field input{width:100%;min-width:0;background:#fff;border:1px solid #bfc2c7;color:var(--ink);border-radius:12px;padding:15px 13px;min-height:54px;font-size:1rem}.field select:focus,.field input:focus{outline:3px solid #0071e333;border-color:var(--blue)}.check{display:flex;align-items:start;gap:12px;font-size:.95rem;line-height:1.7;cursor:pointer}.check input{width:19px;height:19px;margin:4px 0 0;flex-shrink:0;accent-color:var(--blue)}.extra-options{display:flex;flex-direction:column;gap:16px;margin:27px 0}.fine{font-size:.8rem;color:#6e6e73;line-height:1.8}.fine a{color:var(--blue)}.quote-panel{background:#1d1d1f;color:#fff;border-radius:28px;padding:38px;position:sticky;top:90px}.quote-panel>.eyebrow{color:#b1b1b7}.quote-panel #result-spec{font-size:.95rem;color:#d2d2d7;line-height:1.8}.quote-total{padding:28px 0;border-bottom:1px solid #3b3b3d;display:flex;flex-direction:column;gap:9px}.quote-total span{font-size:.85rem;color:#b1b1b7}.quote-total strong{font-size:clamp(2.2rem,3.7vw,3.7rem);font-weight:600;line-height:1.3;letter-spacing:-.035em;overflow-wrap:anywhere}.breakdown{padding:15px 0}.breakdown>div{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:9px 0;font-size:.85rem;line-height:1.7}.breakdown strong{font-weight:500;text-align:right}.breakdown span{color:#b1b1b7}.result-notes{font-size:.85rem;color:#c8c8cd;border-top:1px solid #3b3b3d;padding-top:20px}.result-notes p{margin-bottom:10px}.time-note{color:#c8c8cd;font-size:.83rem;margin-top:10px}.quote-disclaimer{font-size:.78rem;line-height:1.8;color:#a6a6af;padding:20px 0}.quote-panel .button{display:flex;width:100%;background:#fff;color:#1d1d1f}.quote-panel .quote-line{background:transparent;border:1px solid #777;color:#fff;margin-top:12px}.quote-panel .source-link{display:block;text-align:center;margin-top:23px;font-size:.8rem;color:#bfcde3}.quote-panel .fine{color:#bfcde3;font-size:.8rem;margin-top:10px}.quote-panel button:disabled{opacity:.5;cursor:not-allowed}.quote-panel textarea{width:100%;padding:12px;margin-top:10px;font-size:.85rem}.quote-panel label{font-size:.85rem}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.guide-card{padding:34px;border-radius:24px;background:#fff;display:flex;flex-direction:column}.guide-card h2{font-size:1.6rem;line-height:1.5}.guide-card p{margin:20px 0 30px;color:#6e6e73;font-size:.95rem;flex:1}.article{max-width:920px;margin:0 auto;padding-bottom:80px}.article h2{font-size:1.8rem;margin:42px 0 20px;line-height:1.5}.article p{color:#515158;line-height:1.95;margin-bottom:20px}.article a:not(.button){color:var(--blue)}.article-image{border-radius:22px;margin-bottom:35px}.article-byline{font-size:.82rem;color:#6e6e73;margin-bottom:32px}.article .button{margin-top:23px}.back-link{display:block;margin-top:55px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:.95rem}th,td{padding:17px;border-bottom:1px solid var(--line);min-width:180px;line-height:1.8}th{background:#e9ebee;font-weight:600}.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;align-items:start}.contact-item{border-bottom:1px solid var(--line);padding:27px 0}.contact-item>span{display:block;font-size:.85rem;color:#6e6e73;margin-bottom:12px}.contact-item>a{font-size:1.7rem;font-weight:600;color:var(--blue);overflow-wrap:anywhere}.contact-item>a.email{font-size:1.25rem}.contact-item p{font-size:.85rem;color:#6e6e73;margin-top:12px}.location-panel{padding:35px;border-radius:26px;background:#fff}.location-panel h2{font-size:2rem}.location-panel>p:not(.eyebrow){margin:18px 0}.location-panel iframe{border:0;border-radius:16px;display:block;width:100%;margin:25px 0;aspect-ratio:1.5;height:auto}.location-panel .button{width:100%}.catalog-preview,.guide-card,.service-card{transition:transform .2s,box-shadow .2s}.guide-card:hover{transform:translateY(-3px);box-shadow:0 10px 25px #00000007}
@media(max-width:950px){.service-hero{gap:35px}.service-body{gap:35px}.estimate-promo{gap:40px}.calculator-section{gap:22px}.calculator-form,.quote-panel{padding:26px}.form-grid{gap:18px}.steps{gap:30px}.feature-guide{gap:30px;padding:26px}.contact-layout{gap:30px}footer{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.breadcrumb{padding-top:22px}.page-intro{padding-top:38px;padding-bottom:35px}.page-intro h1{font-size:2.3rem}.service-hero{grid-template-columns:1fr;padding-top:35px;gap:30px;padding-bottom:45px}.service-hero h1{font-size:2.5rem}.spec-panel{padding:27px}.service-body{grid-template-columns:1fr;gap:35px}.service-body h2{font-size:1.6rem}.catalog-preview{max-width:430px;margin:0 auto}.estimate-promo{grid-template-columns:1fr;padding-top:50px;padding-bottom:50px;gap:35px}.estimate-promo h2{font-size:2.3rem}.sample-quote{padding:26px}.steps{grid-template-columns:1fr;gap:28px}.steps article{border-top:1px solid var(--line);padding-top:22px}.steps b{font-size:2rem;margin-bottom:14px}.feature-guide{grid-template-columns:1fr;gap:25px;padding:22px}.feature-guide h3{font-size:1.6rem}.contact-band{flex-direction:column;align-items:flex-start;padding-top:48px;padding-bottom:48px;gap:28px}.contact-band h2{font-size:2.4rem}.calculator-section{grid-template-columns:1fr;padding-bottom:50px}.calculator-form,.quote-panel{padding:25px;border-radius:22px}.quote-panel{position:static}.form-grid{grid-template-columns:1fr 1fr;gap:20px 14px}.quote-total strong{font-size:3rem}.guide-grid{grid-template-columns:1fr}.guide-card{padding:28px}.article h2{font-size:1.5rem}.article{padding-bottom:50px}.contact-layout{grid-template-columns:1fr;gap:32px}.location-panel{padding:24px}.contact-item>a{font-size:1.5rem}.footer-bottom{flex-direction:column;gap:8px}footer{grid-template-columns:1fr 1fr;gap:35px 22px}footer>div:first-child{grid-column:1/-1}}@media(max-width:380px){.form-grid{grid-template-columns:1fr}.calculator-form,.quote-panel{padding:20px}.breakdown>div{font-size:.8rem}footer{grid-template-columns:1fr}}
/* Pearl-silver surfaces: static light reflections keep reading and scrolling calm. */
body{background:radial-gradient(ellipse at 100% 18%,#dce9ed88,transparent 48%),linear-gradient(120deg,#f7f8fa 0%,#e7ebef 32%,#fff 53%,#edf0f3 76%,#f7f8fa 100%)}
.hero{background:radial-gradient(ellipse at 50% 12%,#ffffffed 0%,#ffffffa8 23%,transparent 54%),radial-gradient(ellipse at 8% 76%,#c5dcdba8,transparent 48%),radial-gradient(ellipse at 94% 55%,#cbd9ebaa,transparent 44%),linear-gradient(122deg,#e9edf2 3%,#fafcfd 27%,#d9e1e8 45%,#fff 49%,#ecf0f4 56%,#dce6e9 78%,#fafbfc 100%);box-shadow:inset 0 1px 0 #fff,inset 0 -1px 0 #ffffffb3}
.product-nav{background:linear-gradient(110deg,#e8edf1,#ffffffed 47%,#edf2f4);border-color:#d4dce2;box-shadow:0 5px 24px #263a4d06}
.estimate-promo,.service-body{background:radial-gradient(ellipse at 95% 0%,#e5eef180,transparent 60%),linear-gradient(135deg,#fff,#f8fafc 55%,#eef2f5);box-shadow:inset 0 1px 0 #fff}
.service-card,.service-card.teal,.service-card.lime,.product-feature:not(.dark),.sample-quote,.feature-guide,.spec-panel,.guide-card,.location-panel,.calculator-form{background:linear-gradient(138deg,#fff 0%,#ffffffed 42%,#edf2f6 100%);box-shadow:inset 0 1px 0 #fff,0 1px 2px #22374c08,0 14px 36px #24384d08;border:1px solid #ffffffc7}
.product-feature.dark,.quote-panel{background:radial-gradient(ellipse at 90% 0%,#52627280,transparent 60%),linear-gradient(135deg,#333b45 0%,#1d232b 40%,#111820 65%,#2b3540 100%);box-shadow:inset 0 1px 0 #ffffff35,0 18px 40px #17233018}
.contact-band{background:radial-gradient(ellipse at 70% 0%,#ffffffd9,transparent 60%),linear-gradient(120deg,#dcebe9 0%,#f1f8f7 38%,#d5e6e7 64%,#edf3f6 100%);border-top:1px solid #fff;border-bottom:1px solid #d2e0e1}
footer,.footer-bottom{background:linear-gradient(115deg,#e8edf1,#f9fafb 50%,#e9eef2)}