*{box-sizing:border-box}
:root{
  --navy:#142c43;
  --navy-2:#19364b;
  --teal:#147f9b;
  --teal-light:#62c5d7;
  --bg:#f4f7fa;
  --card:#ffffff;
  --text:#172b3d;
  --muted:#607487;
  --line:#e1e9ef;
  --ok:#16845b;
  --warn:#b8761a;
  --danger:#b33a3a;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif;line-height:1.9;font-size:15px}
a{color:var(--teal)}
img{max-width:100%;display:block}

/* ---------- Top bar ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:16px max(5vw,20px);background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.brand{font-size:24px;font-weight:800;color:#fff;text-decoration:none}
.brand span{color:var(--teal-light)}
.topbar nav{display:flex;gap:6px;flex-wrap:wrap}
.topbar nav a{color:#e8f1f7;text-decoration:none;font-size:14px;padding:8px 12px;border-radius:8px}
.topbar nav a:hover,.topbar nav a.active{background:var(--navy-2);color:#fff}
.topbar nav a.cta{background:var(--teal);color:#fff}

/* ---------- Layout ---------- */
main{min-height:70vh}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
.section-title{text-align:center;margin:0 0 10px;font-size:26px;color:var(--navy)}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 36px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,#142c43 0%,#19364b 55%,#147f9b 130%);color:#fff;padding:80px 0 90px}
.hero .container{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:rgba(98,197,215,.15);color:var(--teal-light);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:bold;letter-spacing:.5px}
.hero h1{font-size:clamp(28px,4.6vw,46px);line-height:1.5;margin:18px 0 12px}
.hero p{color:#cfe3ec;font-size:17px;max-width:620px;margin:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.button{display:inline-block;padding:13px 24px;border-radius:11px;text-decoration:none;font-weight:bold;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit}
.button.primary{background:var(--teal);color:#fff}
.button.primary:hover{background:#0f6d85}
.button.light{background:#fff;color:var(--navy)}
.button.secondary{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.button.dark-outline{background:#fff;border-color:var(--line);color:var(--navy)}

.hero-card{background:#fff;color:var(--text);border-radius:20px;padding:26px;box-shadow:0 25px 60px rgba(0,0,0,.25)}
.hero-card h3{margin:0 0 6px;color:var(--navy)}
.hero-card p{color:var(--muted);font-size:14px;margin:0 0 14px}
.hero-card .plate-demo{display:flex;align-items:center;justify-content:center;gap:10px;direction:ltr;border:2px solid #222;border-radius:10px;padding:12px;font-weight:bold;font-size:22px;background:#fff;letter-spacing:1px}
.hero-card ul{padding:0;margin:18px 0 0;list-style:none;color:var(--muted);font-size:14px}
.hero-card li{padding:6px 0;border-bottom:1px dashed var(--line)}
.hero-card li::before{content:"✓";color:var(--ok);font-weight:bold;margin-left:8px}

/* ---------- Stats ---------- */
.stats{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stat b{display:block;font-size:30px;color:var(--teal)}
.stat span{color:var(--muted);font-size:14px}

/* ---------- Features ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .15s,box-shadow .15s}
.feature:hover{transform:translateY(-3px);box-shadow:0 14px 35px rgba(25,54,75,.09)}
.feature .icon{width:46px;height:46px;border-radius:12px;background:#e6f4f7;color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.feature h3{margin:0 0 6px;font-size:17px;color:var(--navy)}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{background:var(--card);border-radius:16px;padding:24px 20px;border:1px solid var(--line);position:relative}
.step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;font-weight:bold;margin-bottom:12px}
.step h3{margin:0 0 6px;font-size:16px;color:var(--navy)}
.step p{margin:0;color:var(--muted);font-size:14px}

/* ---------- Audience ---------- */
.audience{background:var(--navy);color:#fff}
.audience .section-title{color:#fff}
.audience .section-sub{color:#b9d3df}
.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.audience-box{background:var(--navy-2);border-radius:18px;padding:30px}
.audience-box h3{margin:0 0 10px;color:var(--teal-light)}
.audience-box ul{margin:0;padding-right:18px;color:#d6e6ee}
.audience-box li{margin:6px 0}

/* ---------- CTA ---------- */
.cta-band{background:linear-gradient(120deg,#147f9b,#0f6d85);color:#fff;text-align:center;padding:56px 20px;border-radius:22px;margin:0 auto;max-width:1100px}
.cta-band h2{margin:0 0 8px;font-size:26px}
.cta-band p{margin:0 0 20px;color:#e3f4f8}

/* ---------- Footer ---------- */
footer.site-footer{background:#0f2134;color:#9fb6c5;padding:40px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
footer.site-footer h4{color:#fff;margin:0 0 10px}
footer.site-footer a{color:#9fb6c5;text-decoration:none;display:block;margin:4px 0}
footer.site-footer a:hover{color:#fff}
.copyright{border-top:1px solid #1d3a52;margin-top:30px;padding-top:18px;text-align:center;font-size:13px}

/* ---------- Forms and messages ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.auth-box,.lookup-box{max-width:480px;margin:40px auto;background:#fff;padding:28px;border-radius:16px;border:1px solid var(--line)}
.auth-box label,.lookup-box label{display:block;font-weight:bold;margin:14px 0 6px;font-size:14px}
.auth-box input,.auth-box textarea,.auth-box select,
.lookup-box input,.lookup-box select{width:100%;padding:12px;border:1px solid #cbd7df;border-radius:9px;font:inherit;background:#fff}
.auth-box button,.lookup-box button{width:100%;margin-top:18px;border:0;border-radius:10px;background:var(--teal);color:#fff;padding:14px;font:inherit;font-weight:bold;cursor:pointer}
.auth-box button:hover,.lookup-box button:hover{background:#0f6d85}
.auth-box .secondary{background:#fff;color:var(--teal);border:1px solid var(--teal);margin-top:10px}
.msg{padding:12px 14px;border-radius:10px;margin:12px 0;font-size:14px}
.msg.err{background:#fff0f0;color:var(--danger)}
.msg.ok{background:#e6f6ef;color:#16663f}
.hint{color:var(--muted);font-size:13px}

/* ---------- Plate lookup ---------- */
.plate-input{display:grid;grid-template-columns:1fr 1.2fr 1.4fr 1fr;gap:8px;direction:ltr}
.plate-input input,.plate-input select{text-align:center;font-weight:bold;font-size:18px}
.plate-preview{direction:ltr;margin:18px auto 0;max-width:340px;border:2px solid #222;border-radius:10px;padding:10px 14px;text-align:center;font-weight:bold;font-size:22px;letter-spacing:2px;background:#fff}
.plate-preview .iran{font-size:13px;letter-spacing:1px}
.result-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.result-head h2{margin:0;font-size:20px;color:var(--navy)}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:bold}
.badge.ok{background:#e6f6ef;color:var(--ok)}
.badge.warn{background:#fff4e0;color:var(--warn)}
.badge.none{background:#eef2f5;color:var(--muted)}
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:640px}
th,td{padding:11px 12px;border-bottom:1px solid #eef2f5;text-align:right;font-size:14px;vertical-align:middle}
th{background:#f0f5f8;color:var(--navy);font-weight:bold;white-space:nowrap}
tr:last-child td{border-bottom:0}
.muted{color:var(--muted)}
.note{background:#f0f7fa;border-right:4px solid var(--teal);padding:12px 14px;border-radius:8px;font-size:13px;color:#2f4e62;margin-top:18px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero .container{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .grid-3,.steps,.audience-grid,.footer-grid{grid-template-columns:1fr}
  .topbar{align-items:flex-start}
  section{padding:40px 0}
  .hero{padding:50px 0 60px}
  .stats-grid{grid-template-columns:1fr 1fr}
}