@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Manrope:wght@500;600;700;800&display=swap');

:root{
  --blue:#172b8f; --blue2:#0b6fd3; --cyan:#10a8e6; --ink:#111827;
  --muted:#5d6675; --soft:#f3f6fb; --line:#e4e8f0; --white:#fff;
  --shadow:0 20px 60px rgba(16,35,88,.12); --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);line-height:1.65;background:#fff}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92%);margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,232,240,.8)}
.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--blue2));color:white;font-family:Georgia,serif;font-weight:800;box-shadow:0 8px 20px rgba(23,43,143,.2)}
.brand-mark span{font-size:15px;letter-spacing:-2px}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{font-family:Manrope,sans-serif;font-size:17px;letter-spacing:.04em}
.brand-text small{color:var(--blue2);font-size:11px;text-transform:uppercase;letter-spacing:.12em}
nav{display:flex;align-items:center;gap:26px;font-weight:600;font-size:14px}
nav a:hover{color:var(--blue2)}
.nav-cta{background:var(--blue);color:#fff!important;padding:12px 18px;border-radius:10px}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 12px;font-size:22px}
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#f8fbff 0%,#eef4ff 52%,#e7f5ff 100%);min-height:650px;display:flex;align-items:center}
.hero-glow{position:absolute;width:500px;height:500px;border-radius:50%;right:-180px;top:-160px;background:radial-gradient(circle,rgba(16,168,230,.22),transparent 68%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;padding:80px 0}
.eyebrow,.section-tag{color:var(--blue2);font-size:12px;font-weight:800;letter-spacing:.14em}
.hero h1{font:800 clamp(42px,5vw,68px)/1.05 Manrope,Arial,sans-serif;letter-spacing:-.045em;margin:16px 0 22px;max-width:760px}
.hero p{font-size:19px;color:var(--muted);max-width:650px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:11px;padding:14px 20px;font-weight:800;border:1px solid transparent;cursor:pointer;font-size:15px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 26px rgba(23,43,143,.22)}
.btn-primary:hover{background:#102176;transform:translateY(-1px)}
.btn-outline{border-color:#b9c6df;background:#fff;color:var(--blue)}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:25px;color:#4b5563;font-size:13px;font-weight:600}
.hero-product{height:430px;position:relative;display:flex;align-items:center;justify-content:center;filter:drop-shadow(0 25px 30px rgba(14,35,88,.15))}
.product-shadow{position:absolute;width:360px;height:70px;border-radius:50%;background:rgba(20,37,80,.16);bottom:42px;filter:blur(12px)}
.core{position:absolute;width:170px;height:190px;border-radius:14px 14px 18px 18px;background:repeating-linear-gradient(90deg,#d2a46e 0 7px,#bd8b53 8px 10px);box-shadow:inset 8px 0 15px rgba(72,39,13,.14),inset -8px 0 15px rgba(255,255,255,.14);transform-style:preserve-3d}
.core:before{content:"";position:absolute;left:0;right:0;top:-19px;height:38px;border-radius:50%;background:#d6ad7a;border:7px solid #b9834c;box-shadow:inset 0 0 0 7px #c99a61}
.core:after{content:"";position:absolute;left:16px;right:16px;bottom:13px;height:2px;background:rgba(95,57,22,.35);transform:rotate(-10deg)}
.core-1{transform:translate(-80px,20px) rotate(-9deg);z-index:2}
.core-2{transform:translate(70px,15px) rotate(9deg);z-index:2}
.core-3{transform:translate(0,-72px) scale(.94);z-index:1}
.core-4{transform:translate(-20px,82px) rotate(7deg) scale(.88);z-index:3}
.core-5{transform:translate(122px,88px) rotate(13deg) scale(.7);z-index:4}
.product-label{position:absolute;z-index:6;bottom:80px;left:50%;transform:translateX(-50%);background:rgba(23,43,143,.95);color:#fff;padding:13px 22px;border-radius:12px;font-weight:800;font-size:12px;letter-spacing:.14em;text-align:center}
.quick-strip{background:var(--blue);color:#fff}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.quick-grid div{padding:22px;border-right:1px solid rgba(255,255,255,.16)}
.quick-grid div:last-child{border:0}
.quick-grid strong,.quick-grid span{display:block}
.quick-grid strong{font-size:15px}.quick-grid span{font-size:12px;color:#cbd8ff;margin-top:2px}
.section{padding:105px 0}
.section-soft{background:var(--soft)}
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
h2{font:800 clamp(32px,4vw,50px)/1.1 Manrope,Arial,sans-serif;letter-spacing:-.04em;margin:12px 0 22px}
.section p{color:var(--muted)}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.info-icon{width:62px;height:62px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:20px}
.info-card h3{margin:0 0 12px;font-size:24px}
.info-card a{color:var(--blue2);font-weight:700}
.center-head{text-align:center;max-width:700px;margin:0 auto 45px}
.center-head p{margin:auto}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 35px rgba(30,50,90,.05);transition:.25s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.product-card h3{font-size:21px;margin:22px 0 8px}.product-card p{font-size:14px}
.product-card a{display:inline-block;color:var(--blue);font-weight:800;margin-top:10px}
.product-art{height:190px;border-radius:16px;background:linear-gradient(135deg,#eef3ff,#f9fbff);position:relative;overflow:hidden}
.product-art:before{content:"";position:absolute;width:105px;height:125px;left:50%;top:35px;transform:translateX(-50%);border-radius:12px;background:repeating-linear-gradient(90deg,#d5aa78 0 7px,#bd8c55 8px 10px);box-shadow:inset 7px 0 10px rgba(80,45,15,.12)}
.product-art:after{content:"";position:absolute;width:105px;height:28px;left:50%;top:22px;transform:translateX(-50%);border-radius:50%;background:#d6ad7a;border:7px solid #b9834c;box-shadow:inset 0 0 0 6px #c99a61}
.product-art span{position:absolute;left:50%;top:85px;transform:translateX(-50%);width:28px;height:48px;background:#f5f7fb;border-radius:50%;z-index:2}
.tube:before{height:110px}.tube:after{top:38px}.tube span{top:78px}
.stacked:before{transform:translateX(-78px) rotate(-10deg);top:55px}.stacked:after{transform:translateX(-78px) rotate(-10deg);top:42px}.stacked span{transform:translateX(-78px);top:102px}
.industry-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}
.industry-card{border:1px solid var(--line);border-radius:18px;padding:24px;min-height:210px}
.industry-card span{color:var(--blue2);font-weight:900;font-size:13px}
.industry-card h3{font-size:18px;margin:25px 0 8px}.industry-card p{font-size:13px;margin:0}
.why-section{background:linear-gradient(135deg,#111c59,#172b8f 55%,#0b6fd3);color:#fff}
.light-head .section-tag{color:#8bdcff}.light-head h2{color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-grid>div{padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:rgba(255,255,255,.06)}
.why-grid b{font-size:13px;color:#8bdcff}.why-grid h3{margin:25px 0 8px}.why-grid p{color:#d5e2ff;font-size:14px}
.contact-section{background:#f8fafc}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.contact-list{margin-top:30px;display:grid;gap:12px}
.contact-list a{display:flex;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:15px 18px}
.contact-list span{color:var(--blue2);font-weight:700}
.quote-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quote-form label{display:block;font-size:12px;font-weight:800;color:#364152;margin-bottom:15px}
input,select,textarea{display:block;width:100%;margin-top:7px;border:1px solid #d8deea;border-radius:10px;padding:12px 13px;font:inherit;font-size:14px;outline:none;background:#fff}
input:focus,select:focus,textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 3px rgba(11,111,211,.1)}
.submit-btn{width:100%;margin-top:4px}.quote-form small{display:block;color:#7a8493;margin-top:12px;font-size:11px}
footer{background:#0d1538;color:#d8e1ff;padding-top:65px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:50px;padding-bottom:45px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}.footer-brand .brand-mark{box-shadow:none}.footer-grid h4{color:#fff;margin-top:0}.footer-grid a{display:block;margin:8px 0;font-size:14px}.footer-grid a:hover{color:#7edcff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 4%;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:900px){
  nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 4%;flex-direction:column;align-items:stretch}
  nav.open{display:flex}.nav-cta{text-align:center}.menu-btn{display:block}
  .hero-grid,.two-col,.contact-grid{grid-template-columns:1fr}.hero{min-height:auto}.hero-product{height:360px;order:-1}.hero-grid{padding:60px 0}
  .industry-grid{grid-template-columns:repeat(2,1fr)}.why-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:repeat(2,1fr)}.quick-grid div:nth-child(2){border-right:0}.quick-grid div:nth-child(3){border-top:1px solid rgba(255,255,255,.16)}
}
@media(max-width:560px){
  .hero h1{font-size:40px}.hero p{font-size:16px}.section{padding:75px 0}.hero-product{transform:scale(.82);margin:-25px 0}
  .industry-grid,.why-grid,.quick-grid,.form-row,.footer-grid{grid-template-columns:1fr}.quick-grid div{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}
  .footer-bottom{flex-direction:column}.contact-list a{flex-direction:column;gap:3px}
}

/* Updated official-style NS PAPER CORE logo */
.brand-logo{
  display:block;
  width:190px;
  height:64px;
  object-fit:contain;
  object-position:center;
  mix-blend-mode:multiply;
}
.footer-logo{
  display:block;
  width:220px;
  height:78px;
  object-fit:contain;
  object-position:center;
  mix-blend-mode:screen;
  border-radius:8px;
}
@media(max-width:560px){
  .brand-logo{width:160px;height:58px}
  .footer-logo{width:190px;height:70px}
}

/* Real product photography */
.hero-photo{
  height:auto;
  min-height:420px;
  border-radius:28px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 25px 60px rgba(14,35,88,.16);
}
.hero-photo img{
  display:block;
  width:100%;
  height:420px;
  object-fit:cover;
}
.hero-photo .product-label{
  bottom:24px;
  background:rgba(23,43,143,.94);
}
.product-photo{
  height:210px;
  border-radius:16px;
  overflow:hidden;
  background:#f4f6fa;
}
.product-photo img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.product-photo-card:hover .product-photo img{
  transform:scale(1.04);
}
@media(max-width:900px){
  .hero-photo{min-height:320px}
  .hero-photo img{height:320px}
}
@media(max-width:560px){
  .hero-photo{min-height:270px}
  .hero-photo img{height:270px}
}