/* ===== WifiGuardAI — Marketing site ===== */
:root{
  --bg:#0b1220; --bg2:#0e1729; --card:#111c31; --card2:#0f1a2e;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --txt:#eef2f8; --muted:#9fb0c8; --muted2:#7488a3;
  --accent:#38bdf8; --accent2:#2563eb; --accent3:#22d3ee;
  --grad:linear-gradient(135deg,#38bdf8,#2563eb);
  --radius:16px; --maxw:1160px;
  --shadow:0 20px 50px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Inter',-apple-system,system-ui,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:820px}
h1,h2,h3,h4,h5{margin:0;line-height:1.15;letter-spacing:-.02em;font-weight:800}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--grad);color:#fff;font-weight:700;border:0;cursor:pointer;
  padding:12px 22px;border-radius:12px;font-size:15px;transition:.2s;font-family:inherit;
  box-shadow:0 8px 24px -8px rgba(37,99,235,.7)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(37,99,235,.8)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-outline{background:transparent;border:1px solid var(--line2);box-shadow:none;color:var(--txt)}
.btn-outline:hover{border-color:var(--accent);background:rgba(56,189,248,.08);box-shadow:none}
.arr{transition:.2s}.btn:hover .arr{transform:translateX(4px)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(11,18,32,.72);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{border-color:var(--line);background:rgba(11,18,32,.9)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:-.03em}
.brand .ai{color:var(--accent)}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);flex:0 0 auto;
  position:relative;box-shadow:0 6px 16px -6px rgba(37,99,235,.8)}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;
  border:2px solid #fff;border-bottom-color:transparent;border-right-color:transparent;transform:rotate(45deg)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--muted);font-weight:500;font-size:15px;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a.ghost{color:var(--txt);font-weight:600}
.nav-links a.btn{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:0;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* Hero */
.hero{position:relative;padding:70px 0 40px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:700px;background:radial-gradient(circle,rgba(37,99,235,.28),transparent 60%);filter:blur(20px);z-index:0}
.hero::after{content:"";position:absolute;top:10%;right:-10%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(34,211,238,.16),transparent 60%);z-index:0}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.pill{display:inline-block;padding:7px 14px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.25);color:#bfe6ff;font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:900}
.hero .lead{color:var(--muted);font-size:clamp(16px,2vw,19px);margin:22px 0 30px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;color:var(--muted2);font-size:14px;font-weight:500}

/* Phone mockup */
.hero-visual{position:relative;display:flex;justify-content:center}
.phone{width:290px;height:580px;background:linear-gradient(160deg,#1b2740,#0d1526);
  border-radius:42px;padding:14px;box-shadow:var(--shadow),0 0 0 2px rgba(255,255,255,.06) inset;position:relative}
.phone-notch{position:absolute;top:22px;left:50%;transform:translateX(-50%);width:120px;height:22px;background:#0a1120;border-radius:12px;z-index:2}
.phone-screen{height:100%;border-radius:30px;background:linear-gradient(160deg,#0ea5e9,#2563eb);
  padding:56px 26px 26px;color:#fff;text-align:center;position:relative;overflow:hidden}
.ps-brand{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:15px;margin-bottom:26px}
.ps-logo{width:20px;height:20px;border-radius:6px;background:rgba(255,255,255,.25)}
.ps-title{font-weight:800;font-size:19px;margin-bottom:22px}
.ps-field{text-align:left;font-size:12px;opacity:.85;margin:12px 4px 5px;font-weight:600}
.ps-input{background:rgba(255,255,255,.16);border-radius:10px;padding:11px 14px;text-align:left;font-weight:600}
.ps-check{font-size:11px;opacity:.9;margin:16px 0;text-align:left}
.ps-btn{background:#fff;color:#2563eb;font-weight:800;padding:12px;border-radius:11px;margin-top:4px}
.ps-alt{font-size:11px;opacity:.8;margin-top:16px}
.badge{position:absolute;background:var(--card);border:1px solid var(--line2);padding:10px 14px;
  border-radius:12px;font-size:13px;font-weight:600;box-shadow:var(--shadow);white-space:nowrap;animation:float 5s ease-in-out infinite}
.badge-1{top:60px;left:-18px}
.badge-2{top:280px;right:-30px;animation-delay:1.5s}
.badge-3{bottom:70px;left:-24px;animation-delay:.8s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* Logos strip */
.logos{margin-top:56px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;color:var(--muted2);font-size:14px}
.logo-row{display:flex;gap:14px;flex-wrap:wrap}
.lg{padding:8px 16px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-weight:600;font-size:14px;background:rgba(255,255,255,.02)}

/* Sections */
.section{padding:90px 0}
.section-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:680px;margin:0 auto 54px}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.eyebrow.light{color:#bfe6ff}
.section-head h2{font-size:clamp(28px,3.6vw,40px)}
.section-head p{color:var(--muted);font-size:17px;margin-top:14px}

/* Grids */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--line2);box-shadow:var(--shadow)}
.card .ic{width:52px;height:52px;display:flex;align-items:center;justify-content:center;font-size:26px;
  background:linear-gradient(135deg,rgba(56,189,248,.16),rgba(37,99,235,.16));border-radius:13px;margin-bottom:18px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;margin:0}
.card b{color:var(--txt)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step-n{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* Use cases */
.usecases .uc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.usecases .uc:hover{border-color:var(--line2);transform:translateY(-3px)}
.uc span{font-size:30px}
.uc h4{font-size:17px;margin:12px 0 6px}
.uc p{color:var(--muted);font-size:14px;margin:0}

/* Stats */
.stats{padding:56px 0;background:linear-gradient(135deg,rgba(37,99,235,.14),rgba(34,211,238,.08));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(30px,4vw,44px);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:15px;font-weight:500}

/* Pricing */
.pricing .plan{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column;transition:.25s}
.plan:hover{border-color:var(--line2)}
.plan h3{font-size:20px}
.plan .price{font-size:30px;font-weight:900;margin:14px 0 2px}
.plan-sub{color:var(--muted);font-size:14px;margin:0 0 20px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;flex:1}
.plan li{padding:9px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14.5px;position:relative;padding-left:26px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.plan-pop{border:1.5px solid var(--accent);box-shadow:0 24px 60px -24px rgba(56,189,248,.4);position:relative;transform:scale(1.03)}
.pop-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;padding:6px 16px;border-radius:999px;white-space:nowrap}

/* Currency toggle */
.currency-toggle{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;margin:-28px 0 36px}
.currency-toggle button{background:var(--card);border:1px solid var(--line);color:var(--muted);font-weight:600;
  padding:9px 18px;border-radius:10px;cursor:pointer;font-family:inherit;font-size:14px;transition:.2s}
.currency-toggle button:hover{color:var(--txt);border-color:var(--line2)}
.currency-toggle button.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(37,99,235,.6)}
.cur-note{flex-basis:100%;text-align:center;color:var(--muted2);font-size:12.5px;margin-top:8px;min-height:16px}
.price .per{font-size:16px;font-weight:600;color:var(--muted);margin-left:2px}
.price .cur-sym{margin-right:1px}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:0 22px;margin-bottom:12px;transition:.2s}
.faq details[open]{border-color:var(--line2)}
.faq summary{cursor:pointer;font-weight:600;font-size:16.5px;padding:20px 0;list-style:none;position:relative;padding-right:34px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:18px;font-size:24px;color:var(--accent);font-weight:400;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin:0 0 20px;font-size:15px}

/* Trial */
.trial{padding:90px 0;background:linear-gradient(135deg,#0e1c38,#0b1220);border-top:1px solid var(--line)}
.trial-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}
.trial-copy h2{font-size:clamp(28px,3.6vw,40px)}
.trial-copy p{color:var(--muted);font-size:17px;margin:14px 0 22px}
.trial-list{list-style:none;padding:0;margin:0;color:var(--txt);font-weight:500}
.trial-list li{padding:7px 0;color:#cfe0f5}
.trial-form{background:var(--card);border:1px solid var(--line2);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.trial-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.trial-form label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:14px}
.trial-form input,.trial-form select,.trial-form textarea{width:100%;margin-top:6px;background:var(--card2);
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--txt);font-family:inherit;font-size:15px;transition:.2s}
.trial-form input:focus,.trial-form select:focus,.trial-form textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,189,248,.15)}
.trial-form textarea{resize:vertical}
.form-note{margin-top:14px;font-size:14px;font-weight:600;display:none}
.form-note.ok{display:block;color:#6ee7b7}
.form-note.err{display:block;color:#fca5a5}
.form-legal{font-size:12px;color:var(--muted2);margin:14px 0 0;text-align:center}
.form-legal a{color:var(--accent)}

/* Footer */
.footer{background:#080e1a;border-top:1px solid var(--line);padding:60px 0 24px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0;max-width:320px}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap}
.footer-badges span{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:5px 10px}
.footer-col h5{font-size:14px;margin-bottom:16px;color:var(--txt)}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:.2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted2);font-size:13px;flex-wrap:wrap;gap:12px}
.footer-bottom a{color:var(--muted2);margin-left:18px}
.footer-bottom a:hover{color:var(--txt)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:960px){
  .hero-inner,.trial-inner{grid-template-columns:1fr}
  .hero-visual{margin-top:20px}
  .grid-3,.grid-4,.steps,.footer-inner{grid-template-columns:1fr 1fr}
  .plan-pop{transform:none}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;background:var(--bg2);
    border-bottom:1px solid var(--line);padding:20px 24px;gap:6px;transform:translateY(-140%);transition:.3s;align-items:stretch}
  .nav-links.open{transform:none}
  .nav-links a{padding:12px 0}
  .nav-links a.btn{margin-top:8px;justify-content:center}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid-3,.grid-4,.steps,.footer-inner,.usecases,.pricing,.trial-form .row{grid-template-columns:1fr}
  .section{padding:64px 0}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-bottom a{margin:0 9px}
}