/* ── Reset & Tokens ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1D4ED8;
  --blue-dk:#1538B2;
  --blue-lt:#EFF6FF;
  --accent:#F59E0B;
  --green:#16A34A;
  --ink:#0F172A;
  --ink-60:#475569;
  --ink-30:#94A3B8;
  --border:#E2E8F0;
  --bg:#F8FAFC;
  --white:#FFFFFF;
  --radius:10px;
  --r-lg:16px;
  --shadow:0 1px 4px rgba(0,0,0,.07),0 4px 16px rgba(0,0,0,.05);
  --shadow-lg:0 8px 32px rgba(0,0,0,.11);
}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.875rem;font-weight:600;padding:10px 22px;border-radius:var(--radius);
  border:none;transition:all .18s;white-space:nowrap;cursor:pointer;
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dk);transform:translateY(-1px);box-shadow:0 4px 14px rgba(29,78,216,.4)}
.btn-ghost{background:transparent;color:var(--ink-60);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--ink-30);color:var(--ink)}
.btn-white{background:#fff;color:var(--blue);box-shadow:var(--shadow)}
.btn-white:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#D97706;transform:translateY(-1px)}
.btn-lg{padding:14px 30px;font-size:1rem;border-radius:12px}

/* ── NAV ── */
.nav{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.97);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 40px;height:64px;gap:0;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.2rem;font-weight:800;color:var(--blue);
  margin-right:24px;flex-shrink:0;
}
.isols{color:#E63030;}
.nav-logo-mark{
  width:36px;height:36px;border-radius:9px;background:var(--blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.nav-links{display:flex;align-items:stretch;gap:0;flex:1}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item>.nav-trigger{
  display:flex;align-items:center;gap:5px;
  font-size:.875rem;font-weight:500;color:var(--ink-60);
  padding:0 14px;height:64px;
  background:none;border:none;cursor:pointer;transition:color .15s;
  white-space:nowrap;font-family:inherit;
}
.nav-item>.nav-trigger:hover,.nav-item.open>.nav-trigger{color:var(--ink)}
.nav-trigger .chevron{width:14px;height:14px;transition:transform .2s;flex-shrink:0;opacity:.5}
.nav-item.open .chevron{transform:rotate(180deg);opacity:1}
.nav-plain{
  display:flex;align-items:center;font-size:.875rem;font-weight:500;
  color:var(--ink-60);padding:0 14px;height:64px;transition:color .15s;white-space:nowrap;
}
.nav-plain:hover,.nav-plain.active{color:var(--ink)}
.nav-plain.active{font-weight:600;color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}

/* Dropdown */
.mega{
  position:fixed;top:64px;left:0;
  background:#fff;border:1px solid var(--border);
  border-radius:14px;box-shadow:0 16px 60px rgba(0,0,0,.13);
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateY(10px);transition:opacity .18s,transform .18s,visibility .18s;
  z-index:999;
}
.nav-item.open .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.mega-narrow{width:240px}
.drop-list{padding:8px}
.drop-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;
  font-size:.875rem;font-weight:500;color:var(--ink-60);transition:background .15s,color .15s;
}
.drop-link:hover{background:var(--bg);color:var(--ink)}
.drop-link-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.85rem;background:var(--bg);flex-shrink:0}

/* Hamburger */
.nav-hamburger{
  display:none;background:none;border:1.5px solid var(--border);border-radius:8px;
  padding:7px;cursor:pointer;color:var(--ink);margin-left:auto;flex-shrink:0;
  align-items:center;justify-content:center;
}

/* Mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;top:64px;z-index:1100;
  background:#fff;transform:translateX(100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer-inner{padding:16px 20px 40px}
.mob-item{border-bottom:1px solid var(--border)}
.mob-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;font-size:1rem;font-weight:600;color:var(--ink);
  background:none;border:none;cursor:pointer;font-family:inherit;text-align:left;
}
.mob-trigger .mob-chev{width:18px;height:18px;transition:transform .2s;flex-shrink:0;color:var(--ink-30)}
.mob-item.open .mob-chev{transform:rotate(180deg)}
.mob-plain{display:block;padding:16px 0;font-size:1rem;font-weight:600;color:var(--ink);border-bottom:1px solid var(--border)}
.mob-panel{display:none;padding-bottom:12px}
.mob-item.open .mob-panel{display:block}
.mob-link{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:.9rem;font-weight:500;color:var(--ink-60)}
.mob-link-icon{width:28px;height:28px;border-radius:7px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:.8rem;flex-shrink:0}
.mob-cta{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.mob-cta .btn{width:100%;justify-content:center;padding:13px}
.nav-overlay{position:fixed;inset:0;top:64px;z-index:998;display:none}
.nav-overlay.visible{display:block;}

/* ── HERO ── */
.hero{
  background:linear-gradient(135deg,#1E3A8A 0%,#1D4ED8 50%,#3B82F6 100%);
  padding:50px 40px 80px;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.15);color:#fff;
  font-size:.78rem;font-weight:600;padding:5px 14px;border-radius:100px;
  border:1px solid rgba(255,255,255,.25);margin-bottom:22px;
}
.hero-badge span{background:#22C55E;width:6px;height:6px;border-radius:50%;display:inline-block}
.hero h1{
  font-size:clamp(2rem,4vw,3.2rem);font-weight:800;color:#fff;
  line-height:1.13;letter-spacing:-.03em;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#93C5FD}
.hero-text p{color:rgba(255,255,255,.8);font-size:1.05rem;line-height:1.7;margin-bottom:32px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{color:rgba(255,255,255,.5);font-size:.78rem;margin-top:12px}
.hero-img{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.3);position:relative}
.hero-img img{width:100%;height:auto;display:block}

/* ── PAGE HERO (inner pages) ── */
.page-hero{
  background:linear-gradient(135deg,#1E3A8A 0%,#1D4ED8 60%,#3B82F6 100%);
  padding:72px 40px 60px;position:relative;overflow:hidden;
}
.page-hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.page-hero-inner{max-width:1120px;margin:0 auto;position:relative;z-index:1}
.page-hero .breadcrumb{display:flex;align-items:center;gap:8px;font-size:.8rem;color:rgba(255,255,255,.6);margin-bottom:14px}
.page-hero .breadcrumb a{color:rgba(255,255,255,.6)}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero .breadcrumb span{color:rgba(255,255,255,.3)}
.page-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.15;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.75);font-size:1.05rem;max-width:560px;line-height:1.65}

/* ── SECTION ── */
.section{padding:88px 40px}
.section-inner{max-width:1120px;margin:0 auto}
.section-alt{background:var(--bg)}
.section-label{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--blue-lt);color:var(--blue);
  font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:5px 12px;border-radius:100px;margin-bottom:14px;
}
.section h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:14px}
.section p.lead{font-size:1.05rem;color:var(--ink-60);line-height:1.7;max-width:580px;margin-bottom:36px}
.center{text-align:center}
.center .lead{max-width:600px;margin-inline:auto}

/* ── GRID CARDS ── */
.card-grid{display:grid;gap:20px}
.card-grid-3{grid-template-columns:repeat(3,1fr)}
.card-grid-2{grid-template-columns:repeat(2,1fr)}
.card-grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:28px 24px;
  transition:box-shadow .2s,transform .2s;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card-icon{
  width:46px;height:46px;border-radius:12px;background:var(--blue-lt);
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;margin-bottom:16px;
}
.card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.card p{font-size:.875rem;color:var(--ink-60);line-height:1.65}

/* ── SPLIT ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.reverse .split-visual{order:-1}
.split-text h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.split-text p{font-size:.95rem;color:var(--ink-60);line-height:1.75;margin-bottom:16px}
.split-visual{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split-visual img{width:100%;display:block}

/* Checklist */
.checklist{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:20px}
.checklist li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;color:var(--ink-60)}
.checklist li::before{
  content:'';width:18px;height:18px;border-radius:50%;flex-shrink:0;margin-top:1px;
  background:#DCF9E8 url("data:image/svg+xml,%3Csvg width='10' height='8' viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4L3.5 6.5L9 1' stroke='%2316A34A' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center;
}

/* ── STATS BAR ── */
.stats-bar{
  background:var(--blue);padding:52px 40px;
}
.stats-bar-inner{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center}
.stat-num{font-size:2.4rem;font-weight:800;color:#fff;line-height:1}
.stat-label{font-size:.85rem;color:rgba(255,255,255,.7);margin-top:6px}

/* ── PROCESS STEPS ── */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.steps::before{
  content:'';position:absolute;top:22px;left:calc(16.66% + 16px);right:calc(16.66% + 16px);
  height:2px;background:var(--border);z-index:0;
}
.step{text-align:center;position:relative;z-index:1}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--blue);
  color:#fff;font-size:.9rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;box-shadow:0 0 0 6px var(--blue-lt);
}
.step h3{font-size:.95rem;font-weight:700;margin-bottom:6px}
.step p{font-size:.85rem;color:var(--ink-60);line-height:1.6}

/* ── CTA BAND ── */
.cta-band{
  background:linear-gradient(135deg,#1E3A8A 0%,#1D4ED8 60%,#3B82F6 100%);
  padding:80px 40px;text-align:center;
}
.cta-band h2{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;color:#fff;letter-spacing:-.03em;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.75);font-size:1rem;margin-bottom:32px}
.cta-band-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.cta-note{color:rgba(255,255,255,.45);font-size:.78rem;margin-top:14px}

/* ── PORTFOLIO GRID ── */
.portfolio-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.filter-btn{
  padding:7px 18px;border-radius:100px;font-size:.82rem;font-weight:600;
  border:1.5px solid var(--border);background:var(--white);color:var(--ink-60);
  cursor:pointer;transition:all .15s;
}
.filter-btn:hover,.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.portfolio-item{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:var(--white);
  transition:box-shadow .2s,transform .2s;cursor:pointer;
}
.portfolio-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.portfolio-item img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.portfolio-caption{padding:10px 12px}
.portfolio-caption h4{font-size:.82rem;font-weight:600;margin-bottom:2px}
.portfolio-caption a{font-size:.72rem;color:var(--blue)}

/* ── DEMO CARDS ── */
.demo-card{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:32px 28px;
}
.demo-card h3{font-size:1.1rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.demo-card h3 span{
  width:36px;height:36px;border-radius:9px;background:var(--blue-lt);
  display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0;
}
.demo-card p{font-size:.9rem;color:var(--ink-60);line-height:1.7;margin-bottom:18px}
.demo-features{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:24px}
.demo-feature{display:flex;align-items:center;gap:7px;font-size:.82rem;color:var(--ink-60)}
.demo-feature::before{content:'✓';color:var(--green);font-weight:700;font-size:.85rem}
.demo-login{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 16px;font-size:.82rem;margin-bottom:20px;
}
.demo-login table{width:100%;border-collapse:collapse}
.demo-login td{padding:3px 0;color:var(--ink-60)}
.demo-login td:first-child{font-weight:600;color:var(--ink);width:90px}

/* ── CONTACT ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-form{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group label{font-size:.82rem;font-weight:600;color:var(--ink)}
.form-group input,.form-group textarea,.form-group select{
  padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);
  font-family:inherit;font-size:.9rem;color:var(--ink);background:var(--white);
  transition:border-color .15s;width:100%;
}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--blue)}
.form-group textarea{resize:vertical;min-height:120px}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:20px;
  display:flex;align-items:flex-start;gap:14px;
}
.contact-card-icon{
  width:40px;height:40px;border-radius:10px;background:var(--blue-lt);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;
}
.contact-card h4{font-size:.85rem;font-weight:700;margin-bottom:4px}
.contact-card p,.contact-card a{font-size:.85rem;color:var(--ink-60);line-height:1.6}
.contact-card a:hover{color:var(--blue)}

/* ── FOOTER ── */
.footer{background:#0F172A;color:rgba(255,255,255,.65);padding:64px 40px 36px}
.footer-inner{max-width:1120px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand{color:#fff;display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:800;margin-bottom:12px}
.footer-brand-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.footer-desc{font-size:.83rem;line-height:1.7;color:rgba(255,255,255,.45);max-width:240px;margin-bottom:20px}
.footer-contacts{display:flex;flex-direction:column;gap:8px}
.footer-contacts a{font-size:.83rem;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:6px;transition:color .15s}
.footer-contacts a:hover{color:#fff}
.footer-col h4{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.35);margin-bottom:14px}
.footer-col a{display:block;font-size:.83rem;color:rgba(255,255,255,.55);margin-bottom:8px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:4px}
.footer-gallery a img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;transition:opacity .2s}
.footer-gallery a:hover img{opacity:.8}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:.78rem;color:rgba(255,255,255,.3);flex-wrap:wrap;gap:10px;
}
.footer-bottom a{color:rgba(255,255,255,.3);transition:color .15s}
.footer-bottom a:hover{color:rgba(255,255,255,.7)}

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .nav{padding:0 24px}
  .card-grid-4{grid-template-columns:repeat(2,1fr)}
  .card-grid-3{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(3,1fr)}
  .stats-bar-inner{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:768px){
  .nav{padding:0 16px}
  .nav-links,.nav-cta{display:none}
  .nav-hamburger{display:flex}
  .hero{padding:56px 20px 48px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-img{max-width:500px;margin:0 auto}
  .page-hero{padding:52px 20px 44px}
  .section{padding:56px 20px}
  .stats-bar{padding:40px 20px}
  .stats-bar-inner{grid-template-columns:repeat(2,1fr);gap:16px}
  .card-grid-3,.card-grid-4{grid-template-columns:1fr}
  .card-grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-visual{order:0}
  .steps{grid-template-columns:1fr;gap:24px}
  .steps::before{display:none}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .demo-features{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer{padding:40px 16px 28px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:56px 20px}
  .cta-band-actions{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .portfolio-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .stat-num{font-size:1.8rem}
}