/* flyscreensuk.com — single stylesheet, no framework, no JS dependencies */
:root{
  --blue:#1b8ad3;          /* taken from the PS logo */
  --blue-dark:#0f5f95;
  --ink:#16222e;
  --ink-soft:#4a5866;
  --line:#e2e8ee;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --accent:#f5b21b;        /* buy button, used sparingly */
  --radius:10px;
  --max:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-dark)}
a:hover{color:var(--blue)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.2vw,3rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:.6em}
.lead{font-size:1.15rem;color:var(--ink-soft)}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}

/* Top bar + header */
.topbar{background:var(--ink);color:#cfd8e0;font-size:.85rem}
.topbar .wrap{display:flex;gap:24px;justify-content:flex-end;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700}
.brand img{width:52px;height:49px}
.brand span{font-size:1.05rem;line-height:1.1}
.brand small{display:block;font-weight:400;font-size:.75rem;color:var(--ink-soft)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.nav a:hover,.nav a[aria-current="page"]{background:var(--bg-soft);color:var(--blue-dark)}
.nav .btn{margin-left:6px}
.menu-toggle{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:8px;font-weight:700;text-decoration:none;border:2px solid transparent;line-height:1.2;transition:background .15s,color .15s}
.btn-buy{background:var(--accent);color:var(--ink)}
.btn-buy:hover{background:#e6a20c;color:var(--ink)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);color:#fff}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{border-color:#fff;color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.4em}
.nav .btn{padding:10px 16px}

/* Hero */
.hero{background:linear-gradient(180deg,var(--bg-soft),#fff);padding:56px 0 48px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 40px -20px rgba(22,34,46,.35)}
.hero-img img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-img.duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;box-shadow:none;border-radius:0}
.hero-img.duo img{border-radius:var(--radius);box-shadow:0 20px 40px -20px rgba(22,34,46,.35)}
.hero-img.duo img:last-child{margin-top:40px}

/* Trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust ul{list-style:none;margin:0;padding:18px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust li{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.95rem}
.trust svg{flex:none;width:28px;height:28px;color:var(--blue)}

/* Sections */
.section{padding:72px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:36px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.prose{max-width:720px}

/* Product cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 30px -18px rgba(22,34,46,.4);color:inherit}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body p{color:var(--ink-soft);font-size:.97rem}
.card-link{margin-top:auto;font-weight:700;color:var(--blue-dark)}

/* Feature grid */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feature img{border-radius:6px;margin-bottom:14px;width:100%;aspect-ratio:4/3;object-fit:cover}
.feature h3{margin-bottom:.35em}
.feature p{color:var(--ink-soft);font-size:.95rem;margin:0}
.feature .tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--bg-soft);color:var(--blue-dark);padding:3px 8px;border-radius:4px;margin-bottom:8px}

/* Spec list */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;margin:0;padding:0;list-style:none}
.specs li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:12px}
.specs li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.specs strong{display:block}
.specs span{color:var(--ink-soft);font-size:.95rem}

/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding:0;margin:0}
.steps li{counter-increment:step;background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
.steps li::before{content:counter(step);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;margin-bottom:12px}
.steps h3{font-size:1.05rem}
.steps p{font-size:.95rem;color:var(--ink-soft);margin:0}

/* Downloads */
.downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dl{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);background:#fff}
.dl:hover{border-color:var(--blue);color:var(--ink)}
.dl svg{flex:none;width:32px;height:32px;color:var(--blue)}
.dl strong{display:block}
.dl span{font-size:.85rem;color:var(--ink-soft)}

/* Banner image */
.banner{height:clamp(160px,26vw,340px);background-size:cover;background-position:center}

/* Size callout */
.callout{background:#fff;border-left:4px solid var(--blue);border-radius:6px;padding:18px 22px;margin:1.4em 0}
.callout p:last-child{margin:0}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.7em 0 0;color:var(--ink-soft)}

/* CTA band */
.cta{background:var(--blue-dark);color:#fff;padding:56px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{margin:0 0 .3em}
.cta p{margin:0;color:#d8e8f4}
.cta .btn-row{margin:0}

/* Footer */
.footer{background:var(--ink);color:#aebbc7;font-size:.92rem;padding:48px 0 28px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer h3{color:#fff;font-size:1rem}
.footer a{color:#fff;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:6px}
.footer .legal{border-top:1px solid #2c3a47;padding-top:20px;font-size:.82rem}

/* Mobile sticky action bar */
.mobile-bar{display:none}

/* Responsive */
@media (max-width:960px){
  .hero .wrap,.two-col{grid-template-columns:1fr;gap:32px}
  .hero-img{max-width:440px}
  .cards,.features{grid-template-columns:1fr 1fr}
  .trust ul{grid-template-columns:1fr 1fr}
  .steps,.downloads{grid-template-columns:1fr 1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px;padding-bottom:64px}
  .topbar{display:none}
  .menu-toggle{display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:8px 16px 16px}
  .nav.open{display:flex}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .header .wrap{position:relative}
  .section{padding:52px 0}
  .hero{padding:32px 0}
  .cards,.features,.specs,.steps,.downloads,.footer .cols{grid-template-columns:1fr}
  .wrap{padding:0 16px}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;box-shadow:0 -4px 16px rgba(0,0,0,.12)}
  .mobile-bar a{padding:16px 8px;text-align:center;font-weight:700;text-decoration:none}
  .mobile-bar .call{background:var(--ink);color:#fff}
  .mobile-bar .buy{background:var(--accent);color:var(--ink)}
}