/* J2 Nanotechnologies — static site (original navy / red / silver theme) */
:root{
  --navy:#121a2e;
  --navy-2:#1a2440;
  --navy-3:#0d1322;
  --red:#d4202a;
  --red-2:#b3171f;
  --silver:#c9ced8;
  --ink:#1b2336;
  --muted:#62708a;
  --line:#e3e7f0;
  --bg:#f5f7fb;
  --white:#ffffff;
  --radius:12px;
  --shadow:0 12px 34px rgba(13,19,34,.14);
  --shadow-sm:0 4px 14px rgba(13,19,34,.08);
  --maxw:1160px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --head:'Oswald','Inter',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--red);text-decoration:none}
a:hover{color:var(--red-2)}
h1,h2,h3,h4{font-family:var(--head);line-height:1.12;color:var(--navy);margin:0 0 .5em;font-weight:600;letter-spacing:.01em;text-transform:uppercase}
h1{font-size:clamp(2.1rem,4.8vw,3.5rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.section--tight{padding:56px 0}
.eyebrow{display:inline-block;font-family:var(--head);font-size:.85rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.lead{font-size:1.15rem;color:var(--muted);max-width:680px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.csl{font-family:var(--head);text-transform:uppercase;letter-spacing:.18em;font-weight:600;color:var(--silver);font-size:.95rem}
.csl b{color:var(--red);font-weight:600}

/* Buttons */
.btn{display:inline-block;font-family:var(--head);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:1rem;padding:14px 30px;border-radius:6px;border:2px solid transparent;cursor:pointer;transition:.18s ease}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-2);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn--dark{background:var(--navy);color:#fff}
.btn--dark:hover{background:var(--navy-2);color:#fff;transform:translateY(-1px)}
.btn--block{display:block;width:100%;text-align:center}

/* Header / nav */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);border-bottom:3px solid var(--red)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{display:flex;align-items:center}
.brand img{height:52px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{color:#e7ecf5;font-family:var(--head);text-transform:uppercase;letter-spacing:.04em;font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--red)}
.nav-cta{padding:10px 20px;font-size:.9rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.7rem;color:#fff}

/* Hero */
.hero{position:relative;background:linear-gradient(160deg,#1a2440 0%,#0d1322 70%);color:#eaf0fb;overflow:hidden}
.hero::before{content:"";position:absolute;top:-10%;right:-5%;width:60%;height:120%;background:radial-gradient(circle at 70% 40%,rgba(212,32,42,.22),transparent 60%)}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;padding-top:70px;padding-bottom:70px}
.hero h1{color:#fff;margin-bottom:.35em}
.hero h1 .accent{color:var(--red)}
.hero p{color:#b9c6dc;font-size:1.18rem;max-width:52ch}
.hero .btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#d7e2f1;padding:7px 15px;border-radius:999px;font-size:.82rem;font-weight:600;font-family:var(--head);letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--red)}
.hero-art{position:relative}
.hero-art img{width:100%;filter:drop-shadow(0 24px 30px rgba(0,0,0,.5))}
.hero-sub{text-align:center;margin-top:14px}

/* Feature grid */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);transition:.18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ico{width:54px;height:54px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:1.5rem;margin-bottom:16px}
.card .ico.red{background:var(--red)}
.card h3{margin-bottom:.35em}
.card p{color:var(--muted);margin:0}

/* Steps */
.step{display:flex;gap:20px;align-items:flex-start;margin-bottom:26px}
.step .num{flex:0 0 auto;width:48px;height:48px;border-radius:8px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:600;font-family:var(--head);font-size:1.25rem}
.step h3{margin:.1em 0 .25em}
.step p{color:var(--muted);margin:0}

/* Product cards */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.product{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.18s ease}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product.featured{border:2px solid var(--red)}
.product-media{aspect-ratio:4/3;background:linear-gradient(180deg,#f0f3f8,#dfe5ee);display:grid;place-items:center;position:relative;padding:18px}
.product-media img{max-height:100%;width:auto;filter:drop-shadow(0 10px 14px rgba(0,0,0,.18))}
.product-media .ribbon{position:absolute;top:14px;right:-34px;background:var(--red);color:#fff;font-family:var(--head);font-weight:600;font-size:.72rem;letter-spacing:.08em;padding:6px 40px;transform:rotate(45deg)}
.product-body{padding:24px;display:flex;flex-direction:column;flex:1}
.product-body h3{margin-bottom:.1em}
.product .price{font-family:var(--head);font-size:2rem;font-weight:600;color:var(--navy);margin:6px 0 2px}
.product .price small{font-size:.8rem;font-weight:500;color:var(--muted)}
.product .sku{font-size:.78rem;color:var(--muted);margin-bottom:14px}
.product ul{list-style:none;padding:0;margin:0 0 22px;color:var(--muted);font-size:.95rem}
.product ul li{padding:6px 0 6px 26px;position:relative}
.product ul li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800}
.product .btn{margin-top:auto}

/* Split / showcase */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.media-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.panel h3{color:var(--navy)}
.panel p:last-child{margin-bottom:0}
.bg-navy{background:linear-gradient(160deg,#1a2440,#0d1322);color:#eaf0fb}
.bg-navy h2{color:#fff}
.bg-navy .lead{color:#b9c6dc}
.bg-white{background:var(--white)}
.mission{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.mission .flag{display:inline-flex;gap:8px;align-items:center;background:rgba(212,32,42,.15);border:1px solid rgba(212,32,42,.4);border-radius:999px;padding:6px 14px;font-weight:600;font-family:var(--head);text-transform:uppercase;letter-spacing:.05em;font-size:.82rem;color:#ffd2d4;margin-bottom:16px}

/* Lifestyle strip */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shot{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.shot img{width:100%;height:100%;object-fit:cover}

/* Blog */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.18s ease}
.post:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post-top{height:140px;overflow:hidden}
.post-top img{width:100%;height:100%;object-fit:cover}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1}
.post .date{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.post h3{font-size:1.15rem}
.post p{color:var(--muted);font-size:.95rem;flex:1}
.article{max-width:760px;margin:0 auto}
.article h2{margin-top:1.4em}
.article .date{color:var(--red);font-weight:600;font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;font-size:.85rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.info-list li:last-child{border-bottom:0}
.info-list .ico{flex:0 0 auto;width:44px;height:44px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:1.2rem}
.info-list strong{display:block;color:var(--navy);font-family:var(--head);text-transform:uppercase;letter-spacing:.03em;font-size:.95rem}
.info-list span{color:var(--muted);font-size:.95rem}
form .field{margin-bottom:16px}
form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--navy)}
form input,form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:1rem;background:#fff;transition:.15s}
form input:focus,form textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(212,32,42,.13)}
.note{font-size:.82rem;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--red);color:#fff;border-radius:14px;padding:48px;text-align:center;box-shadow:var(--shadow)}
.cta-band h2{color:#fff}
.cta-band p{color:#ffe2e3;max-width:60ch;margin:0 auto 24px}

/* Footer */
.site-footer{background:var(--navy-3);color:#9fb0c9;padding:54px 0 26px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:34px}
.site-footer img.flogo{height:46px;margin-bottom:14px}
.site-footer h4{color:#fff;font-family:var(--head);text-transform:uppercase;letter-spacing:.05em;font-size:1rem;margin:0 0 14px}
.site-footer a{color:#9fb0c9}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#6f82a0}
.social{display:flex;gap:10px;margin-top:18px}
.social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#cdddee;transition:.16s ease}
.social a:hover{background:var(--red);color:#fff;transform:translateY(-2px)}
.social svg{width:19px;height:19px;fill:currentColor}

.placeholder-note{background:#fff7e6;border:1px dashed #e0a82e;color:#7a5b00;border-radius:8px;padding:10px 14px;font-size:.82rem;margin-top:10px}

/* Responsive */
@media(max-width:900px){
  .grid-3,.products,.posts,.shots{grid-template-columns:1fr 1fr}
  .split,.contact-grid,.mission,.hero .container{grid-template-columns:1fr;gap:30px}
  .hero-art{max-width:520px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .grid-3,.products,.posts,.grid-2,.shots{grid-template-columns:1fr}
  .nav-links{position:fixed;inset:84px 0 auto 0;background:var(--navy);flex-direction:column;align-items:flex-start;gap:0;padding:8px 0;border-bottom:3px solid var(--red);display:none}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:13px 22px;width:100%}
  .nav-links .nav-cta{margin:10px 22px}
  .nav-toggle{display:block}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:58px 0}
  .cta-band{padding:32px}
}