/* Techno Pipe — public site styles, built on the brand design tokens. */
:root{
  --green-50:#eef7ee;--green-100:#d6ecd5;--green-500:#51aa50;--green-600:#43903f;--green-700:#357132;
  --navy-500:#103a5c;--navy-700:#002a48;--navy-800:#001f37;--navy-900:#001525;
  --blue-400:#3a8ecf;--blue-500:#2b7cc0;
  --grey-50:#f6f8f9;--grey-100:#eceff2;--grey-200:#dde2e7;--grey-300:#c3ccd3;
  --grey-500:#6c7a84;--grey-600:#4f5b64;--grey-700:#3a444b;--white:#fff;
  --danger:#d24b3e;--warning:#e0a020;
  --font-sans:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-arabic:"Cairo","Open Sans",sans-serif;
  --shadow-card:0 1px 2px rgba(0,42,72,.06),0 8px 24px rgba(0,42,72,.08);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);color:var(--grey-700);background:var(--white);
  -webkit-font-smoothing:antialiased;line-height:1.6}
html[dir="rtl"] body{font-family:var(--font-arabic)}
a{color:var(--green-600);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,h4{color:var(--navy-700);line-height:1.15;margin:0 0 .5em}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.muted{color:var(--grey-500)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--green-600)}
.lead{font-size:1.12rem;color:var(--grey-600)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--green-500);color:#fff}
.btn-primary:hover{background:var(--green-600);text-decoration:none}
.btn-ghost{background:transparent;border-color:var(--grey-300);color:var(--navy-700)}
.btn-ghost:hover{border-color:var(--navy-700);text-decoration:none}
.btn-navy{background:var(--navy-700);color:#fff}
.btn-navy:hover{background:var(--navy-800);text-decoration:none}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--grey-200)}
.site-header .bar{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy-700);font-size:1.15rem}
.brand img{height:34px}
.nav{display:flex;gap:22px;margin-left:8px;flex:1}
.nav a{color:var(--navy-700);font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--green-600);text-decoration:none}
.header-cta{display:flex;align-items:center;gap:14px}
.header-phone{color:var(--navy-700);font-weight:700;font-size:.9rem;white-space:nowrap}
.lang-switch{font-size:.82rem;font-weight:700;color:var(--grey-500)}
.lang-switch a.active{color:var(--green-600)}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy-700);cursor:pointer}
@media(max-width:900px){
  .nav,.header-phone{display:none}
  .menu-toggle{display:block}
  .nav.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;
    background:#fff;padding:16px 24px;border-bottom:1px solid var(--grey-200)}
}

/* Cards / grids */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--grey-200);border-radius:var(--radius);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:20px}
.card h3{font-size:1.1rem;margin-bottom:6px}
.card .thumb{aspect-ratio:16/10;background:var(--grey-50);display:flex;align-items:center;
  justify-content:center;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}

/* Badges / chips */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;
  padding:4px 10px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.badge-valid{background:var(--green-100);color:var(--green-700)}
.badge-expired{background:#fbe3e0;color:var(--danger)}
.badge-current{background:#e9f3fb;color:var(--blue-500)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.chip{padding:8px 16px;border-radius:999px;border:1.5px solid var(--grey-300);
  background:#fff;font-weight:600;font-size:.88rem;color:var(--navy-700);cursor:pointer}
.chip.active{background:var(--navy-700);color:#fff;border-color:var(--navy-700)}
.chip:hover{border-color:var(--navy-700);text-decoration:none}

/* Hero band (inner pages) */
.page-hero{background:linear-gradient(160deg,var(--navy-700),var(--navy-900));color:#fff;padding:64px 0}
.page-hero h1{color:#fff}
.page-hero .eyebrow{color:var(--green-400,#66ba64)}
.page-hero p{color:#c2d0dc;max-width:640px}

/* Forms */
.form-field,input[type=text],input[type=email],input[type=tel],input[type=url],
input[type=password],input[type=number],textarea,select{
  width:100%;padding:12px 14px;border:1.5px solid var(--grey-300);border-radius:10px;
  font:inherit;color:var(--grey-700);background:#fff}
.form-field:focus,textarea:focus,select:focus,input:focus{outline:none;border-color:var(--blue-400);
  box-shadow:0 0 0 3px rgba(58,142,207,.18)}
label{font-weight:600;color:var(--navy-700);font-size:.9rem;display:block;margin:14px 0 6px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
.errorlist{color:var(--danger);font-size:.85rem;list-style:none;padding:0;margin:6px 0}
.alert{padding:12px 16px;border-radius:10px;margin:10px 0;font-weight:600}
.alert-success{background:var(--green-100);color:var(--green-700)}
.alert-error{background:#fbe3e0;color:var(--danger)}
.alert-info{background:#e9f3fb;color:var(--blue-500)}
.alert-warning{background:#fdf3df;color:#8a6412}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:start;padding:12px 14px;border-bottom:1px solid var(--grey-200);font-size:.92rem}
.table th{color:var(--grey-500);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}

/* Footer */
.site-footer{background:var(--navy-900);color:#c2d0dc;padding:56px 0 28px;margin-top:40px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.site-footer a{color:#c2d0dc}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}

/* PDF preview */
.pdf-frame{width:100%;height:78vh;border:1px solid var(--grey-200);border-radius:12px}
.empty{padding:60px 20px;text-align:center;color:var(--grey-500)}