:root{--navy:#0d1d33;--blue:#155df5;--text:#12233c;--muted:#64748b;--line:#e5eaf1;--bg:#fff;--soft:#f5f8fd;--max:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Vazirmatn,Arial,sans-serif;color:var(--text);background:#fff;font-size:16px;line-height:1.9}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin:auto}

/* ---------- header ---------- */
.header{background:rgba(255,255,255,.97);border-bottom:1px solid #edf0f5;position:sticky;top:0;z-index:30}
.nav{height:72px;display:flex;align-items:center;gap:20px}
.brand{width:136px;display:flex;align-items:center;flex:0 0 auto}
.brand img{width:100%;height:auto}
.nav nav{display:flex;align-items:center;justify-content:center;gap:24px;flex:1;height:100%;flex-wrap:nowrap}
.nav nav a{position:relative;color:#334155;text-decoration:none;font-size:15px;white-space:nowrap;height:100%;display:flex;align-items:center}
.nav nav a.active{color:#0d54e9;font-weight:700}
.nav nav a.active:after{content:"";position:absolute;bottom:0;right:0;left:0;margin:auto;width:32px;height:2px;background:#1764f6}
.tools{display:flex;align-items:center;gap:14px;direction:ltr;flex:0 0 auto}
.tools button{border:0;background:none;color:#334155;font:inherit;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:4px}
.tools .search{font-size:20px!important;line-height:1;display:flex;align-items:center}
.tools .search svg{width:19px;height:19px;display:block}
.izuk-mini{display:flex;align-items:center;gap:6px;text-decoration:none;color:#24364e;direction:rtl}
.izuk-mini b{font-size:16px;letter-spacing:-.5px}
.izuk-mini small{font-size:10px;color:#738096}
.hamb{display:none;border:0;background:none;font-size:26px;cursor:pointer;color:#203653;flex:0 0 auto}

/* ---------- shared bits ---------- */
.section-kicker{font-size:14px;color:#163455;display:flex;align-items:center;gap:10px;font-weight:600}
.section-kicker i{width:20px;height:2px;background:#155df5;display:inline-block}
.btn{height:48px;padding:0 26px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:15px;font-weight:600;gap:12px;white-space:nowrap}
.btn.primary{background:#155df5;color:#fff;box-shadow:0 8px 20px rgba(21,93,245,.2)}
.btn.outline{border:1px solid #193657;color:#203653;background:#fff}
.btn span{font-size:15px}
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2,.catalog-copy h2{font-size:32px;line-height:1.5;margin:8px 0 8px;font-weight:800}
.section-head p,.catalog-copy p{font-size:15px;color:#5c6d85;line-height:1.9;margin:0}
.all-link{font-size:15px;color:#155df5;text-decoration:none;white-space:nowrap;margin-top:10px;display:inline-flex;align-items:center;gap:6px}
.all-link span{font-size:15px}

/* ---------- hero (photo as full section background, desktop) ---------- */
.hero{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center;background:#eef1f5}
.hero-photo{position:absolute;inset:0;padding:0}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center 35%;border-radius:0}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(to right,rgba(238,241,245,0) 0%,rgba(238,241,245,.6) 52%,rgba(238,241,245,.97) 78%)}
.hero-photo-label{position:absolute;left:6%;top:30px;background:rgba(255,255,255,.94);color:#183451;border:1px solid rgba(220,228,239,.95);border-radius:10px;padding:9px 16px;font-size:14px;font-weight:700;white-space:nowrap;box-shadow:0 10px 24px rgba(15,35,60,.12);backdrop-filter:blur(5px);z-index:2}
.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;text-align:right;padding:32px 0}
.hero-copy .section-kicker{margin-bottom:10px}
.hero h1{font-size:44px;line-height:1.4;letter-spacing:-1px;margin:0 0 16px;font-weight:800}
.hero p{font-size:16px;line-height:1.95;color:#34445b;max-width:420px;margin:0 0 22px}
.actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- products ---------- */
.products{padding-top:60px;padding-bottom:56px}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card{border:1px solid #e3e9f0;border-radius:9px;background:#fff;overflow:hidden;position:relative;box-shadow:0 5px 17px rgba(25,47,80,.03);display:flex;flex-direction:column}
.shot{height:120px;background:#f2f5fa;overflow:hidden}
.shot img{width:100%;height:100%;object-fit:cover}
.pc-body{padding:16px 15px 15px;display:flex;flex-direction:column;flex:1}
.pc-body h3{font-size:16px;margin:0 0 8px;text-align:right;line-height:1.4}
.pc-body p{font-size:14px;line-height:1.85;color:#5c6d85;margin:0}
.pc-body a{display:block;text-align:left;color:#155df5;text-decoration:none;font-size:14px;margin-top:12px;font-weight:600}
.pc-body a span{font-size:13px;margin-right:5px}
.badge{position:absolute;top:96px;left:14px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;box-shadow:0 4px 10px rgba(0,0,0,.15)}
.badge.navy{background:#172f57}.badge.blue{background:#1767ed}.badge.green{background:#27ad63}.badge.purple{background:#7b43d4}

/* ---------- demo ---------- */
.demo{padding:0 0 28px}
.demo-inner{min-height:300px;background:#f0f6fe;border-radius:12px;display:grid;grid-template-columns:46% 54%;align-items:center;overflow:hidden}
.demo-media{height:100%;display:flex;align-items:center;justify-content:center;padding:20px}
.demo-media img{width:100%;max-width:520px;display:block}
.demo-copy{padding:32px 48px 32px 36px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.demo-copy h2{font-size:32px;line-height:1.5;margin:8px 0 8px;font-weight:800}
.demo-copy p{font-size:15px;color:#556277;line-height:1.9;margin:0 0 18px;max-width:400px}
.demo-copy .btn{height:50px;padding:0 22px;margin-top:4px}

/* ---------- catalogs ---------- */
.catalogs{padding-top:8px;padding-bottom:32px}
.catalog-wrap{display:grid;grid-template-columns:.8fr 1.8fr;align-items:center;gap:48px}
.catalog-copy{display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.catalog-copy .all-link{margin-top:16px}
.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.catalog-card{border:1px solid #e6ebf1;border-radius:8px;background:#fff;padding:10px;box-shadow:0 6px 18px rgba(20,44,75,.07);text-align:center}
.cover{height:120px;border-radius:4px;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:15px;font-weight:800;box-shadow:0 6px 13px rgba(0,0,0,.12)}
.cover small{font-size:10px;font-weight:500;margin-top:3px;opacity:.9}
.c1{background:#1761c7}.c2{background:#0ba18e}.c3{background:#7a3fc0}.c4{background:#123c70}
.catalog-card h3{font-size:14px;margin:10px 0 4px}
.catalog-card p{font-size:12px;color:#68778b;margin:0 0 8px}
.catalog-card>div:last-child{display:flex;gap:6px}
.catalog-card>div:last-child a{flex:1;height:36px;border:1px solid #e0e6ef;border-radius:6px;text-decoration:none;color:#27405f;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:600}
.catalog-card>div:last-child .download{background:#155df5;color:#fff;border-color:#155df5}

/* ---------- solutions ---------- */
.solutions{background:#0e2037;color:#fff;position:relative;overflow:hidden;padding:48px 0}
.solution-bg{position:absolute;inset:0 0 0 auto;width:27%;background:linear-gradient(90deg,#0e2037 0%,rgba(14,32,55,.2) 45%,rgba(14,32,55,0) 100%),url('izuk-building.jpg') center/cover no-repeat;opacity:.9}
.solution-inner{position:relative}
.solutions .section-kicker{color:#a9bad1;justify-content:flex-start}
.solutions .section-kicker i{background:#6182a8}
.solutions h2{text-align:center;font-size:32px;line-height:1.45;margin:10px 0 36px}
.benefits-row{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;flex:1 1 480px}
.benefits>div{text-align:center;display:flex;flex-direction:column;align-items:center}
.benefits b{font-size:20px;color:#65a0ff;line-height:1;margin-bottom:9px;font-weight:400;display:flex;align-items:center;justify-content:center}
.benefits b svg{width:26px;height:26px;display:block}
.benefits strong{font-size:15px}
.benefits small{font-size:12px;color:#91a3ba;margin-top:4px}
.about-btn{flex:0 0 auto;background:#fff;color:#155df5;text-decoration:none;border-radius:9px;padding:12px 22px;font-size:14px;font-weight:700;white-space:nowrap}

/* ---------- footer ---------- */
.footer{background:#0b1b30;color:#dce6f4;padding:48px 0 0}
.footer-top{display:grid;grid-template-columns:1.05fr 1.5fr .8fr .85fr 1fr;gap:20px;padding-bottom:32px;border-bottom:1px solid #35455a}
.footer-brand img{width:118px;display:block;filter:brightness(1.12)}
.footer-brand small{font-size:10px;color:#a1b1c6;display:block;margin-top:4px}
.footer-desc{font-size:13px;line-height:2;color:#9fb0c5;padding-top:4px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links b,.footer-social b{font-size:14px;color:#fff;margin-bottom:4px}
.footer-links a{color:#9eb0c6;text-decoration:none;font-size:13px}
.footer-social{text-align:right}
.footer-social>div{display:flex;gap:8px;margin-top:9px}
.footer-social span{width:22px;height:22px;border-radius:5px;background:#596b82;color:#0b1b30;font-size:9px;display:flex;align-items:center;justify-content:center;font-weight:700}
.footer-bottom{min-height:56px;display:flex;align-items:center;justify-content:space-between;color:#778aa3;font-size:12px;flex-wrap:wrap;gap:8px;padding:12px 0}
.footer-bottom span:last-child{direction:rtl}

/* =========================================================
   Responsive — two clean breakpoints, no magic-number hacks
   ========================================================= */

/* Tablet & below: collapse nav, stack hero, simplify grids */
@media(max-width:900px){
  .nav nav,.tools{display:none}
  .hamb{display:block;margin-right:auto}
  .nav nav.open{display:flex;position:absolute;top:100%;right:16px;left:16px;height:auto;background:#fff;border:1px solid #e5eaf1;border-radius:12px;padding:12px;flex-direction:column;gap:2px;box-shadow:0 15px 30px rgba(0,0,0,.12);z-index:40}
  .nav nav.open a{height:44px;width:100%;justify-content:flex-start;font-size:16px}

  .hero{flex-direction:column;min-height:0;align-items:stretch}
  .hero-photo{position:static;inset:auto;width:100%;height:280px;order:2;padding:16px}
  .hero-photo::after{display:none}
  .hero-photo-label{left:50%;transform:translateX(-50%)}
  .hero-copy{order:1;padding:32px 0 8px;text-align:right;align-items:flex-start}
  .hero h1{font-size:34px}
  .hero p{max-width:none}

  .section{padding:48px 0}
  .section-head{display:block}
  .all-link{margin-top:14px}

  .product-grid{grid-template-columns:repeat(2,1fr);gap:14px}

  .demo-inner{grid-template-columns:1fr;min-height:0}
  .demo-media{order:1;padding:24px 24px 0}
  .demo-copy{order:2;padding:24px 28px 32px;align-items:flex-start}

  .catalog-wrap{grid-template-columns:1fr;gap:28px}
  .catalog-copy{align-items:flex-start}
  .catalog-grid{grid-template-columns:repeat(2,1fr);gap:14px}

  .solutions h2{font-size:26px;margin-bottom:26px}
  .solution-bg{width:38%;opacity:.5}
  .benefits-row{flex-direction:column;align-items:stretch;gap:24px}
  .benefits{grid-template-columns:repeat(2,1fr);gap:22px 16px}
  .about-btn{align-self:flex-start}

  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:24px 20px}
  .footer-social{display:none}
}

/* Phones */
@media(max-width:600px){
  .container{width:calc(100% - 32px)}
  .nav{height:64px}
  .brand{width:118px}

  .hero-copy{padding:28px 0 10px}
  .hero-photo{height:230px}
  .hero h1{font-size:29px;line-height:1.45}
  .hero p{font-size:15px}
  .btn{height:46px;padding:0 20px;font-size:14px}

  .section-head h2,.catalog-copy h2,.demo-copy h2{font-size:25px}

  .product-grid{grid-template-columns:1fr 1fr;gap:10px}
  .pc-body{padding:12px 12px 13px}
  .pc-body h3{font-size:14px}
  .pc-body p{font-size:12.5px}

  .demo-copy{padding:22px 20px 28px}
  .catalog-grid{grid-template-columns:repeat(2,1fr)}

  .solutions{padding:36px 0}
  .benefits{grid-template-columns:repeat(2,1fr)}

  .footer-top{grid-template-columns:1fr 1fr;gap:22px 16px}
  .footer-desc{display:none}
}

@media(max-width:420px){
  .product-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-links{display:none}
}