/* GRIPSTER MAX — cordless vacuum lifter marketing site
   Clean light theme, single cobalt accent. No frameworks. */

:root{
  --brand:#1a46b5;         /* cobalt (product blue) */
  --brand-600:#1740a4;
  --brand-700:#12327f;
  --navy:#0e2555;          /* deep navy for headings / footer */
  --ink:#151b26;           /* body text */
  --muted:#5b6473;         /* secondary text */
  --line:#e4e8ef;          /* borders */
  --bg:#ffffff;
  --bg-alt:#f4f6fa;        /* light section */
  --bg-tint:#eaf0fb;       /* brand tint */
  --stage:#e6e6e7;         /* studio-gray to blend product photos */
  --white:#fff;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(16,32,72,.06),0 1px 3px rgba(16,32,72,.08);
  --shadow:0 10px 30px -12px rgba(14,37,85,.28);
  --shadow-lg:0 24px 60px -20px rgba(14,37,85,.35);
  --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Liberation Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--navy);line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.35rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.22rem;font-weight:700}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding-left:1.15rem}
li{margin:.3rem 0}
strong{color:var(--navy)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:76px 0}
.section--alt{background:var(--bg-alt)}
.section--tint{background:linear-gradient(180deg,#fff, var(--bg-tint))}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand);margin-bottom:.75rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.sec-head{max-width:64ch}
.center.sec-head{margin:0 auto 48px}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);
  font-size:1.2rem;letter-spacing:-.02em;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-badge{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.brand-badge span{width:15px;height:15px;border-radius:50%;border:3.4px solid #fff}
.brand b{font-weight:800}
.brand em{font-style:normal;background:var(--navy);color:#fff;font-size:.66em;font-weight:800;
  padding:.12em .42em;border-radius:5px;margin-left:2px;letter-spacing:.04em;vertical-align:1px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{color:var(--ink);font-weight:600;font-size:.96rem;padding:9px 12px;border-radius:9px;text-decoration:none}
.nav-links a:hover{background:var(--bg-alt);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--brand)}
.lang{font-weight:700;border:1px solid var(--line);border-radius:9px;padding:7px 11px !important;color:var(--muted)!important}
.lang:hover{border-color:var(--brand);color:var(--brand)!important;background:#fff!important}
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;border-radius:10px;
  padding:12px 20px;font-size:.98rem;cursor:pointer;border:1px solid transparent;transition:transform .08s,box-shadow .2s,background .2s;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-600);box-shadow:var(--shadow)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--bg-tint)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.nav-cta{margin-left:4px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:9px;width:44px;height:40px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.2s}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,#eef2fb 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:70px 0 64px}
.hero h1{margin-bottom:.35em}
.hero .lead{font-size:1.22rem;margin-bottom:1.6rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:1.5rem}
.hero-media{position:relative}
.hero-stage{background:radial-gradient(120% 120% at 50% 35%,#f2f2f3 0%,var(--stage) 70%,#dcdcde 100%);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:14px;overflow:hidden}
.hero-stage img{border-radius:calc(var(--radius-lg) - 8px);width:100%}
.floatcard{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:10px 14px;display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:.9rem}
.floatcard svg{color:var(--brand);flex:0 0 auto}
.floatcard.fc1{left:-6px;bottom:34px}
.floatcard.fc2{right:-6px;top:30px}

/* stat chips */
.stats{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:.5em;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 15px;font-weight:700;color:var(--navy);font-size:.9rem;box-shadow:var(--shadow-sm)}
.chip svg{color:var(--brand)}

/* logos / trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust .container{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;justify-content:center;padding:18px 22px;color:var(--muted);font-weight:600;font-size:.92rem}
.trust b{color:var(--navy)}

/* feature grid */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d6deec}
.card .ico{width:46px;height:46px;border-radius:11px;background:var(--bg-tint);color:var(--brand);
  display:grid;place-items:center;margin-bottom:16px}
.card h3{margin-bottom:.35em}
.card p{margin:0;color:var(--muted);font-size:.98rem}

/* split (image + text) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.reverse .split-media{order:2}
.split-media .hero-stage{box-shadow:var(--shadow)}
.split ul.ticks{list-style:none;padding:0}
.ticks li{position:relative;padding-left:32px;margin:.6rem 0;color:var(--ink)}
.ticks li::before{content:"";position:absolute;left:0;top:.36em;width:20px;height:20px;border-radius:50%;
  background:var(--brand);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/16px no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/16px no-repeat}

/* applications grid */
.app-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s}
.app-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.app-card .ico{width:42px;height:42px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;margin-bottom:14px}
.app-card h3{margin-bottom:.3em;font-size:1.1rem}
.app-card p{margin:0;color:var(--muted);font-size:.95rem}

/* specs table */
.specs{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.specs table{width:100%;border-collapse:collapse}
.specs th,.specs td{text-align:left;padding:15px 24px;border-bottom:1px solid var(--line);font-size:1rem}
.specs tr:last-child th,.specs tr:last-child td{border-bottom:none}
.specs th{color:var(--muted);font-weight:600;width:44%;background:var(--bg-alt)}
.specs td{color:var(--navy);font-weight:700}
.note{font-size:.86rem;color:var(--muted);margin-top:14px}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 52px 18px 22px;font-weight:700;color:var(--navy);position:relative;list-style:none;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--brand);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 22px 20px;color:var(--muted)}
.faq .faq-body p{margin:0}

/* CTA band */
.cta-band{background:linear-gradient(115deg,var(--brand-700),var(--brand));color:#fff;border-radius:var(--radius-lg);
  padding:56px 48px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:56ch;margin:0 auto 1.5rem;font-size:1.12rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-mail{margin-top:16px;font-size:.95rem;color:rgba(255,255,255,.85)}
.cta-mail a{color:#fff;font-weight:700}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}

/* breadcrumb */
.crumbs{font-size:.9rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.page-hero{background:linear-gradient(180deg,#fff,#eef2fb);padding:26px 0 54px}
.page-hero h1{margin-top:.3em}

/* footer */
.site-footer{background:var(--navy);color:#c6d0e6;padding:60px 0 26px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
.site-footer a{color:#c6d0e6;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.5rem 0}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand b{color:#fff}
.footer-brand p{color:#9fb0d0;max-width:34ch;font-size:.92rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#8ea2c6;font-size:.86rem}
.footer-kw{color:#7e93bb}

/* responsive */
@media(max-width:900px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-media{max-width:520px;margin:0 auto}
}
@media(max-width:720px){
  .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 18px 22px;gap:2px;
    box-shadow:var(--shadow);transform:translateY(-140%);transition:transform .25s;margin:0}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 12px;font-size:1.05rem}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .section{padding:56px 0}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .cta-band{padding:44px 24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:460px){
  .footer-grid{grid-template-columns:1fr}
  .floatcard{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}