:root{--navy:#06283d;--blue:#075985;--cyan:#0891b2;--aqua:#06b6d4;--sky:#e6f8fc;--light:#f5fbfd;--yellow:#fbbf24;--text:#173447;--muted:#60798a;--border:#dcebf0;--white:#fff;--shadow:0 20px 60px rgba(7,89,133,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,"Hind Siliguri",sans-serif;color:var(--text);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,235,240,.8)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand img{width:48px;height:48px}.brand span{display:flex;flex-direction:column;line-height:1.05}.brand strong{font-size:1.22rem;letter-spacing:.12em;color:var(--navy)}.brand small{font-size:.68rem;color:var(--muted);margin-top:5px}.main-nav{display:flex;align-items:center;gap:25px}.main-nav>a:not(.btn){font-size:.9rem;font-weight:700;color:#466274;position:relative}.main-nav>a.active,.main-nav>a:hover{color:var(--cyan)}.main-nav>a.active:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:2px;background:var(--aqua);border-radius:2px}.nav-toggle{display:none;border:0;background:transparent;font-size:1.5rem}.btn{display:inline-flex;justify-content:center;align-items:center;padding:14px 22px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;font-weight:800;cursor:pointer;box-shadow:0 12px 28px rgba(8,145,178,.23);transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-small{padding:10px 17px;font-size:.85rem}.btn-ghost{background:#fff;color:var(--blue);border:1px solid var(--border);box-shadow:none}.btn-light{background:#fff;color:var(--blue)}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f5fdff 0%,#e2f7fb 55%,#d5f2f8 100%);padding:84px 0 90px}.hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:75px;background:#fff;clip-path:ellipse(70% 42% at 50% 100%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:center;position:relative;z-index:2}.eyebrow{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.18em;color:var(--cyan);margin-bottom:13px}.hero h1,.page-hero h1{font-size:clamp(2.8rem,5.3vw,5.35rem);line-height:1.05;letter-spacing:-.055em;color:var(--navy);margin:0 0 25px}.hero h1 em{font-style:normal;color:var(--cyan)}.hero-copy>p{font-size:1.08rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;margin:30px 0}.hero-points{display:flex;gap:21px;flex-wrap:wrap;font-size:.82rem;font-weight:700;color:#446273}.hero-visual{position:relative;min-height:470px}.pool-card{position:absolute;inset:40px 0 20px 25px;background:linear-gradient(180deg,#fff 0 25%,#50c8e2 26%,#0483a8 100%);border:10px solid rgba(255,255,255,.9);border-radius:40px;box-shadow:var(--shadow);overflow:hidden}.pool-top{height:100px;display:flex;align-items:center;justify-content:center;gap:18px;color:var(--blue);font-weight:800;font-size:.78rem;letter-spacing:.12em}.pool-top strong{font-size:1.5rem;color:var(--aqua)}.swimmer-icon{position:absolute;z-index:3;top:145px;left:50%;transform:translateX(-50%);font-size:5rem;filter:drop-shadow(0 12px 10px rgba(0,0,0,.15))}.wave{position:absolute;left:-15%;width:130%;height:85px;border-radius:50%;background:rgba(255,255,255,.24)}.wave-a{top:225px}.wave-b{top:265px;left:-30%;opacity:.45}.wave-c{top:305px;opacity:.25}.pool-stats{position:absolute;left:20px;right:20px;bottom:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.pool-stats div{background:rgba(255,255,255,.9);border-radius:14px;padding:13px;text-align:center}.pool-stats strong,.pool-stats span{display:block}.pool-stats strong{color:var(--navy)}.pool-stats span{font-size:.64rem;color:var(--muted)}.sun{position:absolute;width:90px;height:90px;border-radius:50%;background:var(--yellow);right:-16px;top:3px;box-shadow:0 0 0 15px rgba(251,191,36,.16)}.hero-bubble{position:absolute;border-radius:50%;background:rgba(255,255,255,.5)}.bubble-one{width:210px;height:210px;left:-80px;top:90px}.bubble-two{width:100px;height:100px;right:5%;bottom:10px}.section{padding:90px 0}.light-section{background:var(--light)}.section-heading{margin-bottom:38px}.section-heading h2,.safety-band h2,.cta-card h2,.form-intro h2,.contact-card h2{font-size:clamp(2rem,3vw,3.2rem);line-height:1.15;letter-spacing:-.04em;color:var(--navy);margin:0 0 14px}.section-heading p{color:var(--muted);max-width:680px}.centered{text-align:center}.centered p{margin-left:auto;margin-right:auto}.split-heading{display:flex;justify-content:space-between;align-items:end}.text-link{font-weight:800;color:var(--cyan)}.feature-grid,.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card,.level-card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:30px;box-shadow:0 12px 35px rgba(7,89,133,.055);transition:.25s}.feature-card:hover,.level-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature-no{font-size:.72rem;font-weight:800;color:var(--aqua);letter-spacing:.18em}.feature-card h3,.level-card h3{font-size:1.25rem;color:var(--navy);margin:14px 0 8px}.feature-card p,.level-card p{color:var(--muted);margin:0}.level-badge{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--sky);color:var(--blue);font-size:.7rem;font-weight:800}.bangla{font-family:"Hind Siliguri",sans-serif!important;color:var(--cyan)!important;font-weight:600}.level-standard{margin-top:19px;padding-top:17px;border-top:1px solid var(--border);font-size:.78rem;color:#577182}.safety-band{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.safety-band h2{color:#fff}.safety-band p{color:#bfe3ef}.eyebrow.light{color:#7de4f4}.safety-list{display:grid;gap:12px}.safety-list span{padding:17px 20px;border-radius:14px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);font-weight:700}.cta-section{padding:70px 0}.cta-card{background:linear-gradient(135deg,#06b6d4,#075985);color:#fff;padding:48px 55px;border-radius:30px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}.cta-card h2{color:#fff}.cta-card p{margin:0;color:#d6f3f8}.page-hero{background:linear-gradient(135deg,#ecfbff,#d8f3f8);text-align:center}.page-hero.compact{padding:70px 0}.page-hero h1{font-size:clamp(2.5rem,4vw,4rem);margin-bottom:15px}.page-hero p{max-width:720px;margin:auto;color:var(--muted)}.timeline{position:relative}.timeline:before{content:"";position:absolute;left:37px;top:15px;bottom:20px;width:2px;background:var(--border)}.timeline-item{display:grid;grid-template-columns:75px 1fr;gap:25px;margin-bottom:25px;position:relative}.timeline-marker{width:75px;height:75px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:800;z-index:2;border:8px solid #fff;box-shadow:0 0 0 1px var(--border)}.timeline-card{border:1px solid var(--border);border-radius:22px;padding:28px;background:#fff;box-shadow:0 10px 30px rgba(7,89,133,.05)}.timeline-title{display:flex;justify-content:space-between;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--border)}.timeline-title span{font-size:.72rem;color:var(--cyan);font-weight:800}.timeline-title h2{margin:3px 0 2px;color:var(--navy)}.timeline-title p{margin:0}.timeline-title>strong{height:max-content;background:var(--sky);color:var(--blue);padding:8px 13px;border-radius:999px;font-size:.75rem;white-space:nowrap}.course-detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-top:20px}.course-detail-grid h4{margin:0 0 8px;color:var(--navy)}.course-detail-grid p{margin:0;color:var(--muted);font-size:.88rem}.form-section{background:var(--light)}.form-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px;align-items:start}.form-intro{position:sticky;top:120px}.check-list{list-style:none;padding:0;display:grid;gap:10px;color:var(--muted)}.check-list li:before{content:"✓";color:var(--cyan);font-weight:800;margin-right:9px}.application-form,.contact-card,.verify-form{background:#fff;border:1px solid var(--border);border-radius:22px;padding:32px;box-shadow:0 14px 40px rgba(7,89,133,.07)}.application-form h3{color:var(--navy);margin:5px 0 20px;padding-bottom:10px;border-bottom:1px solid var(--border)}.application-form h3:not(:first-of-type){margin-top:32px}.form-grid{display:grid;gap:18px}.form-grid.two{grid-template-columns:repeat(2,1fr)}label{display:block}label span{display:block;font-size:.8rem;font-weight:800;color:#3d5b6d;margin-bottom:7px}label.full{grid-column:1/-1}input,select,textarea{width:100%;padding:13px 14px;border:1px solid #cadde5;border-radius:10px;background:#fff;font:inherit;color:var(--text);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--aqua);box-shadow:0 0 0 4px rgba(6,182,212,.1)}label small,.form-error{color:#d14d4d;display:block;margin-top:4px}.consent{display:flex;gap:10px;margin:24px 0;align-items:flex-start}.consent input{width:auto;margin-top:5px}.consent span{font-weight:500}.full-button{width:100%}.verification-section{background:var(--light)}.verify-wrap{max-width:850px}.verify-input{display:flex;gap:10px}.verify-input input{font-size:1rem;letter-spacing:.04em}.certificate-result{margin-top:25px;border-radius:22px;padding:32px;display:grid;grid-template-columns:65px 1fr;gap:20px}.certificate-result.valid{background:#ecfdf5;border:1px solid #a7f3d0}.certificate-result.invalid{background:#fff7ed;border:1px solid #fed7aa}.result-icon{width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:#fff;font-size:1.6rem;font-weight:800;color:#059669}.invalid .result-icon{color:#ea580c}.status-label{font-size:.72rem;font-weight:800;letter-spacing:.15em;color:#059669}.certificate-result h2{margin:5px 0 20px;color:var(--navy)}.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.result-grid p{margin:0;background:rgba(255,255,255,.7);padding:12px;border-radius:10px}.result-grid small,.result-grid strong{display:block}.result-grid small{font-size:.7rem;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:25px}.contact-card p{padding:12px 0;border-bottom:1px solid var(--border)}.alert{margin-top:20px;padding:14px 18px;border-radius:12px;font-weight:700}.alert.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.empty-state{grid-column:1/-1;text-align:center;padding:35px;background:var(--light);border-radius:18px;color:var(--muted)}.site-footer{background:#031f31;color:#b7d4df;padding:65px 0 25px}.footer-grid{display:grid;grid-template-columns:1.7fr .7fr 1fr;gap:55px}.footer-brand strong{color:#fff}.footer-grid h4{color:#fff}.footer-grid>div>a:not(.brand){display:block;margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:22px;display:flex;justify-content:space-between;font-size:.8rem}@media(max-width:950px){.main-nav{position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;display:none;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}.main-nav.open{display:flex}.nav-toggle{display:block}.hero-grid,.safety-grid,.form-layout,.contact-grid{grid-template-columns:1fr}.hero-visual{min-height:430px}.form-intro{position:static}.feature-grid,.level-grid{grid-template-columns:repeat(2,1fr)}.course-detail-grid{grid-template-columns:1fr}.cta-card{align-items:flex-start;flex-direction:column}}@media(max-width:650px){.container{width:min(100% - 26px,1180px)}.hero{padding-top:55px}.hero-actions,.hero-points{flex-direction:column;align-items:stretch}.hero-visual{min-height:380px}.pool-card{inset:20px 0 0}.feature-grid,.level-grid,.form-grid.two,.result-grid,.footer-grid{grid-template-columns:1fr}.split-heading,.timeline-title{align-items:flex-start;flex-direction:column}.timeline:before{left:25px}.timeline-item{grid-template-columns:52px 1fr;gap:14px}.timeline-marker{width:52px;height:52px;border-width:5px}.timeline-card{padding:20px}.verify-input{flex-direction:column}.certificate-result{grid-template-columns:1fr}.cta-card{padding:32px}.footer-bottom{gap:15px;flex-direction:column}.section{padding:65px 0}}

/* Server-ready public additions */
.site-alert{margin-top:16px}.verification-wrap{max-width:780px;margin:auto}.verify-form{background:#fff;border:1px solid #dcebef;border-radius:18px;padding:25px;box-shadow:0 18px 45px rgba(6,65,85,.08)}.verify-form label>span{display:block;font-size:.72rem;font-weight:800;margin-bottom:8px}.verification-result{margin-top:22px;border-radius:18px;padding:26px;display:flex;gap:18px;align-items:flex-start}.verification-result.valid{background:#ecfdf5;border:1px solid #a7f3d0}.verification-result.invalid{background:#fff7ed;border:1px solid #fed7aa}.verification-result .result-icon{width:55px;height:55px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;font-weight:800;background:#fff}.verification-result.valid .result-icon{color:#047857}.verification-result.invalid .result-icon{color:#c2410c}.verification-result small{font-weight:800;letter-spacing:.08em}.verification-result h2{margin:5px 0 13px}.verification-result p{margin:6px 0}.status-line{display:inline-flex;margin-top:9px;padding:6px 10px;border-radius:999px;font-size:.65rem;font-weight:800}.status-line.active{background:#d1fae5;color:#047857}.status-line.revoked{background:#fee2e2;color:#b91c1c}