:root{color-scheme:dark;--ink:#edf2f6;--muted:#a9bbca;--navy:#061625;--navy2:#0a2033;--panel:#102b43;--panel2:#0a2135;--border:#25445b;--gold:#e4b96b;--gold-hi:#f4d697;--limit:1190px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--ink);font:16px/1.65 'Segoe UI',Inter,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--gold-hi);outline-offset:4px}.wrap{max-width:var(--limit);padding:0 30px;margin:0 auto}
.site-header{position:relative;z-index:50;background:#061626f2;border-bottom:1px solid #244053;box-shadow:0 12px 46px #04101d50}.header-inner{min-height:106px;display:flex;justify-content:space-between;align-items:center;gap:28px}
.brand{display:flex;align-items:center;text-decoration:none;gap:13px;white-space:nowrap}.brand-symbol{width:75px;height:75px;flex:0 0 auto;filter:drop-shadow(0 0 10px #ddb36023)}.brand-words{display:flex;flex-direction:column;line-height:1}.brand-name{font-size:34px;line-height:1.1;letter-spacing:-1.5px;font-weight:790;color:var(--gold-hi)}.brand-sub{font-size:10px;color:#bdc9d5;letter-spacing:4px;font-weight:650;margin:8px 0 0 3px}
.navlinks{display:flex;align-items:center;gap:30px;flex-wrap:wrap}.navlinks a{font-size:13px;font-weight:700;letter-spacing:.6px;color:#c9d6df;text-decoration:none;position:relative;padding:12px 0}.navlinks a:hover,.navlinks a[aria-current=page]{color:var(--gold-hi)}.navlinks a[aria-current=page]:after{position:absolute;bottom:4px;left:0;right:0;height:2px;background:var(--gold);content:''}
.hero{position:relative;overflow:hidden;border-bottom:1px solid #244053;background:radial-gradient(ellipse at 82% 49%,#254f6c 0%,#0e2b44 33%,#061625 71%)}.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,#051525 1%,#081e31b3 54%,transparent 100%)}.hero-grid{position:relative;min-height:600px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);align-items:center;gap:55px;padding-top:90px;padding-bottom:100px}.eyebrow{color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:3px;font-weight:800;margin-bottom:23px}.hero h1{font-size:clamp(50px,5.7vw,78px);letter-spacing:-3.5px;line-height:1.08;margin:0 0 30px;font-weight:760}.gold{color:var(--gold-hi)}.lead{color:#c0d0dc;font-size:19px;line-height:1.75;max-width:630px;margin:0 0 33px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;text-decoration:none;border-radius:7px;padding:14px 24px;font-weight:800;letter-spacing:.25px;font-size:14px;min-height:51px;border:1px solid var(--gold);transition:transform .15s,background .15s;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--gold);color:#061626}.btn-secondary{background:transparent;color:var(--gold-hi)}.actions{display:flex;flex-wrap:wrap;gap:13px}
.hero-visual{position:relative;min-height:430px;display:grid;place-items:center}.orbit{position:absolute;width:95%;aspect-ratio:1;border:1px solid #bd995638;border-radius:50%;box-shadow:0 0 130px #e0ac3620,inset 0 0 95px #ddb36013}.orbit::after{content:'';position:absolute;inset:12%;border:1px solid #c6a46326;border-radius:50%}.hero-mark{position:relative;width:min(68%,340px);opacity:.85;filter:drop-shadow(0 0 30px #e4b96b22)}.visual-line{height:1px;width:80%;background:linear-gradient(90deg,transparent,#e5b66b55,transparent);position:absolute;bottom:47px}.visual-label{position:absolute;bottom:10px;color:#b1c8d4;font-size:10px;letter-spacing:3px;text-transform:uppercase}
.section{padding:98px 0;border-bottom:1px solid #1d374c}.section.alt{background:linear-gradient(180deg,#091e30,#071a2a)}.section h2{font-size:clamp(32px,3.4vw,49px);line-height:1.15;letter-spacing:-1.7px;margin:0 0 25px}.section-intro{max-width:725px;font-size:17px;color:var(--muted);margin:0 0 34px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{background:linear-gradient(155deg,#122e47,#0d253a);padding:30px;border:1px solid #30516a;border-radius:11px}.card h3{font-size:19px;margin:0 0 12px}.card p{color:var(--muted);margin:0;font-size:15px}.card .card-num{display:inline-grid;place-items:center;width:39px;height:39px;border-radius:9px;border:1px solid #bc9250;color:var(--gold-hi);margin:0 0 25px;font-weight:750}.plain-link{color:var(--gold-hi);text-decoration:none;font-weight:750;display:inline-block;margin-top:25px}.plain-link:hover{text-decoration:underline}.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.feature-pane{background:linear-gradient(135deg,#123149,#0b2236);border:1px solid #35546c;border-radius:14px;padding:42px;box-shadow:0 28px 80px #020a1238}.feature-pane p{color:var(--muted)}.tag{display:inline-block;font-size:11px;letter-spacing:1.2px;border:1px solid #9c7740;color:var(--gold-hi);padding:7px 11px;border-radius:4px;font-weight:800;text-transform:uppercase}.muted{color:var(--muted)}.tiny{font-size:13px}.notice{border-left:3px solid var(--gold);background:#17374b;padding:17px 20px;border-radius:0 7px 7px 0;color:#cbd7de;font-size:14px;line-height:1.7}.page-hero{padding:100px 0 78px;background:radial-gradient(ellipse at 90% -5%,#173d5b 0,transparent 55%);border-bottom:1px solid #25435a}.page-hero h1{font-size:clamp(44px,5vw,66px);line-height:1.12;letter-spacing:-2.8px;margin:0 0 26px}.page-hero p{font-size:19px;color:#bdcedb;max-width:750px;margin:0 0 26px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.product-card{min-height:340px;border-radius:14px;background:linear-gradient(140deg,#153750,#0b263b);border:1px solid #315773;padding:37px;display:flex;flex-direction:column;gap:10px}.product-card h2{margin:10px 0 0;font-size:32px;letter-spacing:-.9px}.product-card p{color:var(--muted);font-size:16px;line-height:1.7;max-width:440px;margin:0}.product-card .card-bottom{margin-top:auto}.product-icon{display:grid;place-items:center;border-radius:11px;background:#081c2a;border:1px solid #b08a4c;width:50px;height:50px;font-size:27px;font-weight:850;color:var(--gold)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.steps li{padding:29px;border:1px solid #304d64;border-radius:12px;background:#102b42}.steps .n{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--gold)}.steps h3{margin:15px 0 8px;font-size:22px}.steps p{color:var(--muted);margin:0;font-size:15px}.footer{padding:30px 0 35px;background:#061522}.footer-in{display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap}.footer .foot-brand{color:var(--gold);font-weight:800;font-size:17px}.footer .footer-details{color:#9db1c1;font-size:12px}.footer a{font-size:12px;color:#bfd0db;text-decoration:none}.footer a:hover{color:var(--gold)}.footer-links{display:flex;gap:23px;flex-wrap:wrap}
.contact-email{font-size:clamp(24px,3vw,37px);font-weight:750;overflow-wrap:anywhere;color:var(--gold-hi);margin:18px 0 26px}.copy-status{font-size:13px;display:block;min-height:20px;color:var(--muted);margin-top:10px}
.demo-shell{border:1px solid #34566e;border-radius:16px;overflow:hidden;box-shadow:0 35px 85px #010a135b;background:#071b2b}.demo-top{display:flex;gap:12px;align-items:center;background:#0b263c;border-bottom:1px solid #294b63;padding:18px 24px}.demo-z{display:grid;place-items:center;width:40px;height:40px;border:1px solid #ad864b;background:#071522;border-radius:8px;color:var(--gold);font-weight:900}.demo-top strong{font-size:18px}.demo-body{display:grid;grid-template-columns:230px 1fr;min-height:340px}.demo-nav{padding:20px 12px;background:#0b2438;border-right:1px solid #28485d;display:grid;align-content:start;gap:9px}.demo-tab{background:transparent;text-align:left;border:1px solid transparent;color:#b9cbd8;border-radius:7px;padding:14px 16px;cursor:pointer}.demo-tab[aria-selected=true]{background:#1b405a;border-color:#a9854c;color:var(--gold-hi);font-weight:800}.demo-panel{padding:37px 42px}.demo-panel[hidden]{display:none}.demo-panel h3{font-size:26px;margin:0 0 15px}.demo-panel p{color:var(--muted)}.demo-field{padding:15px 18px;background:#103049;border:1px solid #31546b;border-radius:6px;margin:12px 0;display:flex;justify-content:space-between;gap:15px}.demo-field span:last-child{color:#e3d1a8;font-weight:700}.demo-bars{display:flex;flex-direction:column;gap:12px;margin-top:25px}.bar{height:12px;border-radius:10px;background:#274457;overflow:hidden}.bar span{height:100%;display:block;background:linear-gradient(90deg,#ad8341,#e5bd78);border-radius:10px}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}.stat{padding:15px;border:1px solid #31546b;border-radius:8px}.stat strong{display:block;color:var(--gold-hi);font-size:28px}.stat span{color:var(--muted);font-size:13px}
.content-text{max-width:840px}.content-text h2{font-size:26px;margin:42px 0 12px}.content-text p,.content-text li{color:#bbccd8}.content-text ul{padding-left:22px}.content-text a{color:var(--gold-hi)}
@media(max-width:850px){.header-inner{flex-direction:column;align-items:flex-start;padding:16px 0;gap:8px}.brand-symbol{width:61px;height:61px}.brand-name{font-size:27px}.navlinks{gap:23px}.hero-grid{grid-template-columns:1fr;padding-top:67px;padding-bottom:70px;gap:0}.hero-visual{min-height:320px}.hero-mark{width:230px}.three-col,.steps{grid-template-columns:1fr}.section-grid,.product-grid{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.page-hero{padding:65px 0}.demo-body{grid-template-columns:1fr}.demo-nav{grid-template-columns:repeat(3,1fr);border-right:0;border-bottom:1px solid #28485d}.demo-panel{padding:28px}.demo-tab{padding:12px 9px;font-size:14px}}
@media(max-width:500px){.wrap{padding:0 20px}.brand-symbol{width:55px;height:55px}.brand-name{font-size:25px}.brand-sub{font-size:8px;letter-spacing:3px}.navlinks{gap:18px}.navlinks a{font-size:12px}.hero h1{font-size:49px}.lead{font-size:17px}.hero-visual{min-height:240px}.hero-mark{width:180px}.section{padding:63px 0}.card,.feature-pane,.product-card{padding:23px}.stat-grid{grid-template-columns:1fr}.demo-panel{padding:20px}.demo-tab{font-size:12px}.footer-in{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* v0.3 refinement */
.brand-symbol{width:87px;height:87px}
.brand{gap:8px}
.brand-name{font-family:Georgia,'Times New Roman',serif;font-size:40px;font-weight:800;letter-spacing:-1.8px}
.brand-sub{font-size:11px;letter-spacing:4.6px;margin-top:9px}
.header-inner{min-height:113px}
.hero-mark{width:min(80%,395px);opacity:.94}
.orbit{border-color:#bd995620;box-shadow:0 0 150px #e0ac3619,inset 0 0 95px #ddb3600a}
.icon-samundar{font-family:Georgia,serif;font-size:43px;font-weight:500;line-height:1}
.product-card{min-height:380px}
@media(max-width:850px){.brand-symbol{width:68px;height:68px}.brand-name{font-size:31px}.header-inner{min-height:0}}
@media(max-width:500px){.brand-symbol{width:57px;height:57px}.brand-name{font-size:27px}.brand-sub{letter-spacing:3px;font-size:8px}.product-card{min-height:330px}}

/* v0.4: calm landscape, subtle golden warmth, accessible contact hours */
.hero{background:radial-gradient(ellipse at 89% 51%,#26435b 0%,#11293d 40%,#071625 74%)}
.hero::before{position:absolute;z-index:1;inset:0;content:"";background:linear-gradient(90deg,#061625 0%,#061625 20%,#071725f5 37%,#071725c9 53%,#06162533 79%,#06162517 100%);pointer-events:none}
.hero::after{position:absolute;inset:0 0 0 auto;width:72%;content:"";background:url('assets/tuht-landscape.webp') center center/cover no-repeat;opacity:.87;mask-image:linear-gradient(to right,transparent 0%,#000 26%);pointer-events:none}
.hero-grid{z-index:2;min-height:610px;grid-template-columns:minmax(0,1.22fr) minmax(280px,.78fr);gap:35px;padding-top:94px;padding-bottom:106px}
.hero-scenic{min-height:440px}
.hero .eyebrow{color:#f1bf70}
.hero h1{text-shadow:0 5px 28px #03111e89}
.hero .lead{color:#d7e1e9;text-shadow:0 2px 18px #03111e80}
.contact-hero{padding:42px 0 30px}
.contact-section{padding:30px 0 65px}
.contact-section .feature-pane{padding:32px}
.contact-section .contact-email{margin:12px 0 20px}
.contact-section .contact-hours{margin-top:20px;padding-top:22px}
.contact-hours{margin-top:31px;padding-top:28px;border-top:1px solid #48617a;display:flex;flex-direction:column;gap:7px}
.contact-hours .eyebrow{margin-bottom:4px}
.contact-hours strong{font-size:23px;color:#f0f4f8;font-weight:720}
.contact-hours span{font-size:19px;color:var(--gold-hi);font-weight:650}
.contact-hours p{max-width:590px;line-height:1.65;margin:13px 0 0;font-size:15px}
@media(max-width:850px){.hero-grid{grid-template-columns:1fr;min-height:560px;padding:86px 0 87px}.hero-scenic{display:none}.hero::before{background:linear-gradient(90deg,#061625f8 1%,#061625e5 40%,#061625a8 100%)}.hero::after{width:100%;background-position:63% center;opacity:.52;mask-image:none}}
@media(max-width:500px){.hero-grid{min-height:530px;padding:85px 0}.hero h1{font-size:clamp(42px,11vw,55px);letter-spacing:-2px}.hero::before{background:linear-gradient(90deg,#061625f5 8%,#061625dc 64%,#061625b3 100%)}.hero::after{opacity:.33}.contact-hours strong{font-size:20px}.contact-hours span{font-size:16px}.contact-hero{padding:55px 0 32px}.contact-section{padding:35px 0 55px}}


/* v0.5: final product emblems, preserving the existing brand and layout */
.demo-z{width:52px;height:44px;overflow:hidden}
.demo-product-art{display:block;width:47px;height:31px;object-fit:contain}
.product-art{display:block;align-self:flex-start;width:218px;height:156px;object-fit:contain;object-position:left center;filter:drop-shadow(0 8px 18px rgba(0,5,14,.2))}
.product-card{min-height:480px}
.page-hero.has-product-art .wrap{position:relative;min-height:230px}
.product-page-art{position:absolute;right:26px;top:0;width:260px;height:230px;object-fit:contain;object-position:center}
.page-hero.has-product-art .eyebrow,.page-hero.has-product-art h1,.page-hero.has-product-art p,.page-hero.has-product-art .actions,.page-hero.has-product-art .tag{position:relative;z-index:1;max-width:calc(100% - 295px)}
@media(max-width:850px){
  .product-card{min-height:0}
  .product-art{width:190px;height:135px}
  .page-hero.has-product-art .wrap{min-height:0}
  .product-page-art{position:static;display:block;width:170px;height:145px;max-width:100%;margin:4px 0 20px;object-position:left center}
  .page-hero.has-product-art .eyebrow,.page-hero.has-product-art h1,.page-hero.has-product-art p,.page-hero.has-product-art .actions,.page-hero.has-product-art .tag{max-width:100%}
}