*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans Tamil","Latha","Arial",sans-serif;color:#16324f;background:linear-gradient(135deg,#eefaff,#dff3ff 45%,#f8fcff);line-height:1.75}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,40,72,.96);backdrop-filter:blur(12px);box-shadow:0 4px 22px rgba(0,0,0,.16)}
.header-inner{width:min(1180px,94%);margin:auto;min-height:76px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:13px;color:#fff;font-weight:800;font-size:clamp(20px,3vw,30px)}
.brand img{width:58px;height:58px;object-fit:contain;border-radius:50%;filter:drop-shadow(0 3px 8px rgba(0,0,0,.3))}
.main{width:min(1180px,94%);margin:auto;padding:28px 0 55px}
.hero{padding:34px 28px;border-radius:26px;background:linear-gradient(135deg,#073d68,#096fa5 58%,#0e91ba);color:#fff;box-shadow:0 14px 45px rgba(0,65,110,.18);margin-bottom:28px;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;top:-90px;background:rgba(255,255,255,.09)}
.hero h1{position:relative;margin:0 0 8px;font-size:clamp(25px,4vw,42px);line-height:1.25}
.hero p{position:relative;margin:0;max-width:850px;color:#e7f8ff;font-size:clamp(15px,2vw,18px)}
.section-title{text-align:center;font-size:clamp(24px,3.5vw,34px);margin:12px 0 25px;color:#07518a}
.banner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.banner-card{background:#fff;border-radius:22px;overflow:hidden;box-shadow:0 10px 35px rgba(0,70,110,.13);border:1px solid #d9edf8;transition:.25s transform,.25s box-shadow}
.banner-card:hover{transform:translateY(-5px);box-shadow:0 16px 42px rgba(0,70,110,.2)}
.banner-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.banner-label{padding:14px 17px;font-weight:800;color:#07518a}
.content-card{background:rgba(255,255,255,.94);border:1px solid #d7edf7;border-radius:26px;padding:clamp(20px,4vw,42px);box-shadow:0 12px 40px rgba(0,64,100,.11)}
.article-title{margin:0 0 14px;color:#07518a;font-size:clamp(24px,4vw,38px);line-height:1.35}
.article-subtitle{font-size:clamp(16px,2vw,20px);color:#415c70;margin:0 0 26px}
.step{margin:22px 0;font-size:clamp(16px,2vw,19px)}
.service-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;margin:8px 0 20px;padding:13px 24px;border-radius:13px;background:linear-gradient(135deg,#006eb6,#00a3c7);color:#fff;font-weight:800;box-shadow:0 7px 18px rgba(0,115,170,.24);transition:.2s transform}
.service-btn:hover{transform:translateY(-2px)}
.figure{margin:22px 0 32px;text-align:center}
.figure img{width:100%;max-height:720px;object-fit:contain;border-radius:18px;border:1px solid #cfe5ef;box-shadow:0 10px 28px rgba(0,50,80,.12);cursor:zoom-in;background:#fff}
.caption{margin-top:9px;color:#567080;font-size:14px}
.more{text-align:center;margin-top:38px}
.footer{background:#062d52;color:#dff6ff;text-align:center;padding:24px 15px;font-size:14px}
.footer strong{color:#fff}
.loader{position:fixed;inset:0;background:#062d52;display:grid;place-items:center;z-index:9999;transition:.45s opacity,.45s visibility}
.loader.hide{opacity:0;visibility:hidden}
.loader-box{text-align:center;color:#fff}
.loader-box img{width:92px;height:92px;border-radius:50%;margin:auto;animation:pulse 1.2s infinite}
.spinner{width:34px;height:34px;margin:18px auto 0;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{transform:scale(1.05)}}
.modal{position:fixed;inset:0;background:rgba(0,13,25,.88);display:none;align-items:center;justify-content:center;padding:20px;z-index:200}
.modal.open{display:flex}
.modal img{max-width:min(1100px,96vw);max-height:88vh;object-fit:contain;border-radius:12px;box-shadow:0 20px 70px #000;cursor:zoom-out}
.close{position:fixed;right:18px;top:14px;width:44px;height:44px;border:0;border-radius:50%;background:#fff;color:#062d52;font-size:30px;line-height:1;cursor:pointer}
.back-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:0;border-radius:50%;background:#0875b5;color:#fff;font-size:20px;box-shadow:0 6px 20px rgba(0,0,0,.2);cursor:pointer;display:none}
@media(max-width:700px){.header-inner{min-height:68px}.brand img{width:48px;height:48px}.main{padding-top:18px}.hero{padding:25px 20px;border-radius:20px}.content-card{border-radius:20px;padding:20px 16px}.banner-grid{grid-template-columns:1fr;gap:17px}.figure img{border-radius:13px}.close{right:10px;top:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}