/* ===== Payab | پایاب — تجهیزات پزشکی ===== */
@font-face{font-family:'Vazirmatn';font-weight:400;font-display:swap;src:url('../fonts/Vazirmatn-Regular.woff2') format('woff2');}
@font-face{font-family:'Vazirmatn';font-weight:700;font-display:swap;src:url('../fonts/Vazirmatn-Bold.woff2') format('woff2');}

:root{
  --blue:#1e7ec4;        /* برند */
  --blue-700:#155f96;
  --blue-900:#0e3f66;
  --ink:#0f2238;
  --navy:#0b1b2e;
  --yellow:#ffc61a;      /* زرد برند */
  --yellow-600:#e8a600;
  --bg:#f5f8fc;
  --surface:#ffffff;
  --muted:#5b6b7e;
  --line:#e3ebf3;
  --radius:18px;
  --shadow:0 10px 30px rgba(16,52,86,.08);
  --shadow-lg:0 24px 60px rgba(16,52,86,.16);
  --maxw:1200px;
  --grad:linear-gradient(135deg,#1e7ec4 0%,#155f96 55%,#0e3f66 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Vazirmatn',system-ui,sans-serif;
  direction:rtl;background:var(--bg);color:var(--ink);
  line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
section{padding:72px 0}
h1,h2,h3{line-height:1.35;color:var(--ink);font-weight:700}
h2.sec-title{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-700);
  font-weight:700;font-size:.85rem;letter-spacing:.02em;margin-bottom:12px}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--yellow)}
.sec-head{max-width:680px;margin-bottom:40px}
.sec-head p{color:var(--muted);margin-top:10px}
.center{text-align:center;margin-inline:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:.98rem;
  padding:13px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:.25s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(30,126,196,.28)}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-2px)}
.btn-yellow{background:var(--yellow);color:var(--ink);box-shadow:0 8px 20px rgba(255,198,26,.35)}
.btn-yellow:hover{background:var(--yellow-600);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}

/* ===== header ===== */
.topbar{background:var(--navy);color:#cfe0ef;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}
.topbar a{color:#cfe0ef}
.topbar .tb-info{display:flex;gap:22px;align-items:center}
.topbar .tb-info span{display:inline-flex;align-items:center;gap:7px}
.topbar .tb-social{display:flex;gap:14px}
.topbar svg{width:15px;height:15px;opacity:.9}

header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.3s}
header.nav.scrolled{box-shadow:var(--shadow)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo img{height:30px;width:auto}
.menu{display:flex;gap:4px;align-items:center}
.menu a{padding:10px 16px;border-radius:10px;font-weight:700;font-size:.96rem;color:var(--ink);transition:.2s}
.menu a:hover{color:var(--blue);background:#eef5fb}
.menu a.active{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:0;cursor:pointer;width:44px;height:44px;border-radius:12px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.3s}

/* ===== hero ===== */
.hero{position:relative;background:var(--grad);color:#fff;overflow:hidden;padding:84px 0 92px}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(1000px 500px at 85% -10%,rgba(255,198,26,.22),transparent 60%),
  radial-gradient(700px 400px at 0% 110%,rgba(255,255,255,.12),transparent 60%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.25}
.hero h1 b{color:var(--yellow)}
.hero p.lead{color:#dcebfa;color:#e7f1fb;font-size:1.12rem;margin:18px 0 28px;max-width:540px}
.hero .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:40px;flex-wrap:wrap}
.hero-stats .num{font-size:1.9rem;font-weight:700;color:var(--yellow)}
.hero-stats .lbl{font-size:.85rem;color:#cfe0ef}
.hero-media{position:relative}
.hero-media .card{background:#fff;border-radius:26px;padding:16px;box-shadow:var(--shadow-lg);
  transform:rotate(-2deg)}
.hero-media .card img{border-radius:16px;aspect-ratio:1/1;object-fit:cover;width:100%}
.hero-badge{position:absolute;bottom:-18px;right:-14px;background:var(--yellow);color:var(--ink);
  font-weight:700;padding:14px 20px;border-radius:16px;box-shadow:var(--shadow);transform:rotate(3deg);
  display:flex;align-items:center;gap:10px}
.hero-badge svg{width:26px;height:26px}
.hero-wave{position:absolute;bottom:-1px;left:0;width:100%;line-height:0}
.hero-wave svg{width:100%;height:60px;display:block}

/* ===== feature strip ===== */
.features{background:#fff;padding:44px 0;border-bottom:1px solid var(--line)}
.features .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{display:flex;gap:14px;align-items:flex-start}
.feat .ic{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:#eef5fb;color:var(--blue)}
.feat .ic svg{width:24px;height:24px}
.feat h3{font-size:1rem}
.feat p{font-size:.86rem;color:var(--muted);line-height:1.6}

/* ===== categories ===== */
.cats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cats .cat-card .ph{aspect-ratio:1/1}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;background:#fff;
  box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s;display:block}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card .ph{aspect-ratio:4/3;overflow:hidden;background:#eef2f7}
.cat-card .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.cat-card:hover .ph img{transform:scale(1.06)}
.cat-card .body{padding:18px 20px 22px}
.cat-card h3{font-size:1.15rem;display:flex;align-items:center;justify-content:space-between}
.cat-card h3 .arr{color:var(--blue);transition:.3s}
.cat-card:hover h3 .arr{transform:translateX(-6px)}
.cat-card p{color:var(--muted);font-size:.88rem;margin-top:6px}
.cat-card .tag{position:absolute;top:14px;right:14px;background:var(--yellow);color:var(--ink);
  font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:999px}

/* ===== products grid ===== */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.chip{border:1.5px solid var(--line);background:#fff;color:var(--ink);font-family:inherit;
  font-weight:700;font-size:.9rem;padding:9px 18px;border-radius:999px;cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.chip.active{background:var(--blue);border-color:var(--blue);color:#fff}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.p-card .ph{aspect-ratio:1/1;background:#f1f5f9;overflow:hidden;position:relative}
.p-card .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.p-card:hover .ph img{transform:scale(1.07)}
.p-card .cat-pill{position:absolute;top:12px;right:12px;background:rgba(14,63,102,.82);color:#fff;
  font-size:.7rem;font-weight:700;padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.p-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.p-card h3{font-size:1.04rem}
.p-card p{color:var(--muted);font-size:.85rem;flex:1}
.p-card .meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:4px}
.p-card .meta .m{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;color:var(--blue-700);
  background:#eef5fb;padding:4px 10px;border-radius:999px}
.p-card .foot{margin-top:10px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:12px}
.p-card .foot .ask{color:var(--blue);font-weight:700;font-size:.88rem;display:inline-flex;gap:6px;align-items:center}

/* ===== band / CTA ===== */
.band{background:var(--grad);color:#fff;border-radius:26px;padding:48px;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 90% 10%,rgba(255,198,26,.25),transparent 60%)}
.band .in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.band h2{color:#fff;font-size:1.8rem}
.band p{color:#e7f1fb;margin-top:8px}

/* ===== why / split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split .media{border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.split .media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{list-style:none;display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list .tick{flex:none;width:26px;height:26px;border-radius:8px;background:#e9f7ee;color:#1f9d57;
  display:grid;place-items:center}
.check-list .tick svg{width:15px;height:15px}
.check-list b{display:block}
.check-list span{color:var(--muted);font-size:.9rem}

/* stats row */
.stats{background:var(--navy);color:#fff}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .num{font-size:2.4rem;font-weight:700;color:var(--yellow)}
.stats .lbl{color:#b9cde0;font-size:.9rem}

/* steps */
.steps .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative;box-shadow:var(--shadow)}
.step .n{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:700;
  display:grid;place-items:center;margin-bottom:14px}
.step h3{font-size:1.05rem}
.step p{color:var(--muted);font-size:.87rem;margin-top:6px}

/* testimonials */
.quotes .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.quote .stars{color:var(--yellow);margin-bottom:10px;letter-spacing:2px}
.quote p{color:#3a4a5c;font-size:.95rem}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.quote .who b{font-size:.92rem}
.quote .who span{font-size:.78rem;color:var(--muted)}

/* page hero (inner) */
.page-hero{background:var(--grad);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 85% 0,rgba(255,198,26,.2),transparent 60%)}
.page-hero .wrap{position:relative}
.page-hero h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem)}
.crumbs{font-size:.85rem;color:#cfe0ef;margin-top:10px}
.crumbs a:hover{color:#fff}

/* about blocks */
.ab-values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.val{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.val .ic{width:50px;height:50px;border-radius:14px;background:#eef5fb;color:var(--blue);display:grid;place-items:center;margin-bottom:14px}
.val .ic svg{width:26px;height:26px}
.val h3{font-size:1.1rem}
.val p{color:var(--muted);font-size:.9rem;margin-top:6px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.c-info{display:grid;gap:16px}
.c-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.c-item .ic{flex:none;width:46px;height:46px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center}
.c-item .ic svg{width:22px;height:22px}
.c-item b{display:block}
.c-item span,.c-item a{color:var(--muted);font-size:.92rem}
form.cform{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;font-family:inherit;font-size:.95rem;
  border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;background:#fbfdff;transition:.2s;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(30,126,196,.1)}
.field textarea{min-height:120px;resize:vertical}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-top:30px;aspect-ratio:16/6;background:#e8eef4}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.15)}

/* ===== footer ===== */
footer.site{background:var(--navy);color:#b9cde0;padding:60px 0 24px;margin-top:10px}
footer.site .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:16px}
footer.site .logo-f img{height:30px;margin-bottom:14px}
footer.site p{font-size:.88rem;line-height:1.9}
footer.site ul{list-style:none;display:grid;gap:10px}
footer.site ul a{font-size:.9rem;transition:.2s}
footer.site ul a:hover{color:var(--yellow);padding-inline-start:4px}
footer.site .fcontact li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem}
footer.site .fcontact svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--yellow)}
.fsocial{display:flex;gap:12px;margin-top:16px}
.fsocial a{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.2s}
.fsocial a:hover{background:var(--yellow);color:var(--navy)}
.fsocial svg{width:18px;height:18px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;display:flex;
  justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:#8fa8be}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* floating buttons */
.fab{position:fixed;bottom:22px;left:22px;z-index:60;display:flex;flex-direction:column;gap:12px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-lg);transition:.25s}
.fab a:hover{transform:translateY(-3px) scale(1.05)}
.fab .wa{background:#25d366;color:#fff}
.fab .up{background:#fff;color:var(--blue);border:1px solid var(--line);opacity:0;pointer-events:none}
.fab .up.show{opacity:1;pointer-events:auto}
.fab svg{width:26px;height:26px}

/* ===== responsive ===== */
@media(max-width:1024px){
  .features .grid,.stats .grid,.steps .grid{grid-template-columns:repeat(2,1fr)}
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .cats .grid,.quotes .grid,.ab-values{grid-template-columns:repeat(2,1fr)}
  footer.site .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  section{padding:54px 0}
  .hero{padding:60px 0 70px}
  .hero .wrap,.split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .hero-media .card{transform:none;max-width:420px;margin-inline:auto}
  .menu,.nav-cta .btn{display:none}
  .burger{display:block}
  .menu.open{display:flex;position:absolute;top:74px;right:0;left:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;gap:6px;box-shadow:var(--shadow)}
  .menu.open a{width:100%}
  .band{padding:34px}
}
@media(max-width:620px){
  .products-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cats .grid,.quotes .grid,.ab-values,.features .grid,.stats .grid,.steps .grid{grid-template-columns:1fr}
  .topbar .tb-info span:nth-child(2){display:none}
  footer.site .cols{grid-template-columns:1fr}
  .p-card .body{padding:12px 13px 16px}
  .p-card h3{font-size:.95rem}
}