/* ============================================================
   طَيْف — Design System (inspired by Nawat Academy)
   Primary: #087F5B · Accent: #FFDB00 · Canvas: #FFFFFF
   Color-blocking elevation · Geometric decorations · Alexandria
   ============================================================ */
:root{
  --primary:#087F5B;
  --primary-hover:#06694B;
  --accent:#FFDB00;
  --canvas:#FFFFFF;
  --surface:#F7F7F7;
  --surface-raised:#EEEEEE;
  --ink:#1A1A1A;
  --muted:#6A6A6A;
  --border:#E4E4E4;
  --on-primary:#FFFFFF;
  --accent-fg:#0B0B0C;
  --focus:#087F5B;
  --ok:#087F5B;
  --err:#C0392B;
  --overlay:rgba(0,0,0,.75);
  --lift:rgba(0,0,0,.2) 0px 4px 16px 0px;
  --r-xs:4px; --r-sm:8px; --r-md:10px; --r-lg:12px;
  --s-xxs:4px; --s-xs:8px; --s-sm:16px; --s-md:24px;
  --font:"Alexandria","Segoe UI",Tahoma,system-ui,-apple-system,sans-serif;
  --z-drop:10; --z-sticky:50; --z-modal:90;
}
[data-theme="dark"]{
  --primary:#099269;
  --primary-hover:#0BB37F;
  --accent:#FFDB00;
  --canvas:#0C1312;
  --surface:#1B2120;
  --surface-raised:#272D2C;
  --ink:#F5FAF8;
  --muted:#9CA2A1;
  --border:#333938;
  --on-primary:#0B0B0C;
  --accent-fg:#0B0B0C;
  --focus:#087F5B;
  --err:#E74C3C;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--canvas);color:var(--ink);
  font-size:16px;line-height:1.6;letter-spacing:0;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;line-height:1.6}
a:hover{text-decoration:underline}
button{font-family:inherit}
.container{max-width:1408px;margin:0 auto;padding:0 24px;width:100%}
@media(max-width:767px){.container{padding:0 16px}}

/* ============ Typography ============ */
h1,h2,h3,h4{letter-spacing:0;line-height:1.3;font-weight:400;color:var(--ink)}
h1{font-size:clamp(26px,4.5vw,40px)}
h2{font-size:clamp(22px,3vw,26px)}
h3{font-size:18px;font-weight:600}
.lead{font-size:16px;color:var(--muted);line-height:1.8;max-width:62ch}
.small{font-size:14px;font-weight:600;line-height:1.43}
.caption{font-size:11px;font-weight:700;line-height:1.6}

/* ============ Buttons (rounded.lg = 12px) ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:40px;padding:6px 16px;border-radius:var(--r-lg);
  font-size:12px;font-weight:700;line-height:1.6;cursor:pointer;
  border:2px solid transparent;transition:opacity .15s,background .15s,transform .15s;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;opacity:.92}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:var(--on-primary)}
.btn-primary:hover{background:var(--primary-hover)}
.btn-lg{font-size:14px;font-weight:600;min-height:44px;padding:8px 20px;border-radius:var(--r-md)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-accent{background:var(--accent);color:var(--accent-fg)}
.btn-accent:hover{opacity:.9}
.btn-icon{
  width:32px;height:32px;min-height:32px;padding:0;border-radius:var(--r-md);
  background:transparent;color:var(--primary);font-size:14px;font-weight:500;
}
.btn-block{width:100%}

/* Circular floating links (spec: 48px circle + lift shadow) */
.circle-link{
  width:48px;height:48px;border-radius:50%;background:var(--primary);color:var(--on-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--lift);transition:transform .15s;flex:none;
}
.circle-link:hover{transform:scale(1.06);text-decoration:none;filter:brightness(.95)}

/* ============ Badges ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary);color:var(--on-primary);
  font-size:11px;font-weight:700;line-height:1.6;
  padding:3px 8px;border-radius:var(--r-lg);
}
.badge-accent{background:var(--accent);color:var(--accent-fg)}
.badge-ghost{background:var(--surface-raised);color:var(--muted)}

/* Featured badge on cards: bg primary, text YELLOW, radius 0 12px 0 0 */
.featured-tag{
  background:var(--primary);color:var(--accent);
  font-size:14px;font-weight:700;line-height:1.6;
  padding:4px 16px;border-radius:0 12px 0 0;display:inline-block;
}

/* ============ Header / Navigation ============ */
.site-header{
  position:sticky;top:0;z-index:var(--z-sticky);
  background:var(--canvas);border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:20px;font-weight:700}
.brand:hover{text-decoration:none}
.brand .logo{
  width:40px;height:40px;border-radius:var(--r-md);background:var(--primary);
  color:var(--on-primary);display:grid;place-items:center;font-size:20px;flex:none;
}
.brand small{display:block;font-size:11px;font-weight:700;color:var(--muted);line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  color:var(--primary);font-size:16px;font-weight:400;line-height:1.6;
  padding:6px 12px;border-radius:var(--r-md);
}
.nav-links a:hover{background:var(--surface);text-decoration:none}
.nav-links a.active{background:var(--primary);color:var(--on-primary)}
.nav-actions{display:flex;align-items:center;gap:8px}
.burger{display:none;background:none;border:0;font-size:22px;color:var(--ink);cursor:pointer;padding:4px 8px}

/* ============ Hero with geometric decorations ============ */
.hero{
  position:relative;overflow:hidden;background:var(--surface);
  padding:72px 0 64px;border-bottom:1px solid var(--border);
}
.hero .deco{position:absolute;pointer-events:none;user-select:none}
.deco-circle-y{
  width:340px;height:340px;border-radius:50%;background:var(--accent);
  top:-120px;left:-110px;opacity:.9;
}
.deco-circle-g{
  width:190px;height:190px;border-radius:50%;background:var(--primary);
  bottom:-70px;right:8%;opacity:.16;
}
.deco-diag{
  width:420px;height:230px;background:var(--primary);opacity:.1;
  top:-40px;right:-90px;transform:rotate(24deg);border-radius:var(--r-lg);
}
.deco-wave{left:0;right:0;bottom:-2px;opacity:.5}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1 span.hl{background:var(--accent);color:var(--accent-fg);padding:0 10px;border-radius:var(--r-sm)}
.hero .lead{margin:20px 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:36px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-size:26px;font-weight:700;color:var(--primary);line-height:1.3}
.hero-stats .st span{font-size:14px;font-weight:600;color:var(--muted)}

/* Hero product cards (color-blocking, featured tag) */
.hero-cards{display:grid;gap:16px}
.mini-card{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;position:relative;overflow:hidden;
}
.mini-card .featured-tag{position:absolute;top:0;left:0;border-radius:0 0 12px 0}
.mini-card h3{margin:10px 0 6px;font-size:16px;font-weight:700}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.6}
.mini-card .row{display:flex;align-items:center;gap:12px}
.mini-card .ic{
  width:48px;height:48px;border-radius:50%;background:var(--primary);color:var(--on-primary);
  display:grid;place-items:center;font-size:20px;box-shadow:var(--lift);flex:none;
}

/* ============ Sections ============ */
.section{padding:72px 0}
.section-alt{background:var(--surface);border-block:1px solid var(--border)}
.section-head{max-width:720px;margin:0 auto 40px;text-align:center}
.section-head .kicker{
  display:inline-block;background:var(--primary);color:var(--accent);
  font-size:11px;font-weight:700;padding:3px 12px;border-radius:var(--r-lg);margin-bottom:12px;
}
.section-head p{color:var(--muted);margin-top:12px}

/* ============ Cards grid ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--surface-raised);border-radius:var(--r-lg);padding:24px;
  border:1px solid transparent;transition:border-color .15s,transform .15s;
}
.card:hover{border-color:var(--primary);transform:translateY(-2px)}
.card .ic-lg{font-size:28px;margin-bottom:12px}
.card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;font-weight:600;color:var(--muted);line-height:1.6}
.card-flat{background:var(--canvas);border:1px solid var(--border)}

/* Feature card big (2 core features) */
.feature-big{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px;
}
.feature-big .deco-dot{
  position:absolute;width:120px;height:120px;border-radius:50%;
  background:var(--accent);opacity:.35;top:-40px;left:-40px;
}
.feature-big .ic-wrap{
  width:56px;height:56px;border-radius:var(--r-md);background:var(--primary);
  color:var(--on-primary);display:grid;place-items:center;font-size:26px;position:relative;
}
.feature-big h3{font-size:22px;font-weight:400;position:relative}
.feature-big p{color:var(--muted);position:relative}
.feature-big .btn{align-self:flex-start;position:relative}

/* ============ Steps ============ */
.steps{counter-reset:st;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;position:relative}
.step::before{
  counter-increment:st;content:counter(st);
  width:36px;height:36px;border-radius:var(--r-md);background:var(--accent);color:var(--accent-fg);
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto}
.faq details{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px 24px;margin-bottom:12px;
}
.faq summary{font-size:16px;font-weight:700;cursor:pointer;list-style:none;display:flex;gap:10px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--primary);font-weight:700}
.faq details[open] summary::before{content:"−"}
.faq details p{margin-top:12px;color:var(--muted);font-size:14px;font-weight:600}

/* ============ CTA band ============ */
.cta-band{
  background:var(--primary);color:var(--on-primary);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{color:var(--on-primary);position:relative}
.cta-band p{margin:12px auto 24px;max-width:56ch;opacity:.92;position:relative}
.cta-band .deco-c1{position:absolute;width:180px;height:180px;border-radius:50%;background:var(--accent);opacity:.25;top:-60px;right:-40px}
.cta-band .deco-c2{position:absolute;width:120px;height:120px;border-radius:50%;background:var(--accent);opacity:.18;bottom:-40px;left:8%}
.cta-band .btn-accent{position:relative}

/* ============ Tool UI ============ */
.tool-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
.panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h2{font-size:16px;font-weight:700}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
.input,textarea.input,select.input{
  width:100%;min-height:40px;padding:8px 12px;border:1px solid var(--border);
  border-radius:var(--r-md);background:var(--canvas);color:var(--ink);
  font-family:inherit;font-size:14px;line-height:1.6;outline:none;
}
.input:focus{border-color:var(--focus);box-shadow:0 0 0 3px rgba(8,127,91,.18)}
.input[readonly]{background:var(--surface-raised);cursor:default}
textarea.input{min-height:120px;resize:vertical}
.inline-fields{display:flex;gap:8px;flex-wrap:wrap}
.inline-fields .input{flex:1;min-width:140px}

/* Address display box */
.addr-box{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:var(--surface-raised);border-radius:var(--r-md);padding:12px 16px;margin:12px 0;
}
.addr-box .addr{
  flex:1;min-width:200px;font-size:18px;font-weight:700;color:var(--primary);
  word-break:break-all;direction:ltr;text-align:left;
}

/* Inbox list */
.inbox{display:flex;flex-direction:column;gap:10px;min-height:120px}
.mail-item{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-md);
  padding:12px 16px;cursor:pointer;transition:border-color .15s;width:100%;text-align:right;
  display:flex;flex-direction:column;gap:4px;font-family:inherit;
}
.mail-item:hover{border-color:var(--primary)}
.mail-item .from{font-size:14px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;gap:8px}
.mail-item .from time{font-size:11px;font-weight:700;color:var(--muted);white-space:nowrap}
.mail-item .subj{font-size:14px;font-weight:600;color:var(--primary)}
.mail-item .intro{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-state{
  text-align:center;padding:32px 16px;color:var(--muted);
  background:var(--canvas);border:1px dashed var(--border);border-radius:var(--r-md);
}
.empty-state .big{font-size:32px;margin-bottom:8px}

/* SMS / phone cards */
.sms-item{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-md);
  padding:12px 16px;display:flex;flex-direction:column;gap:6px;
}
.sms-item .top{display:flex;justify-content:space-between;gap:8px;align-items:center}
.sms-item .who{font-size:14px;font-weight:700}
.sms-item time{font-size:11px;font-weight:700;color:var(--muted)}
.sms-item .body{font-size:14px;line-height:1.7;word-break:break-word}
.sms-item .code{
  background:var(--accent);color:var(--accent-fg);font-weight:700;
  padding:2px 10px;border-radius:var(--r-sm);letter-spacing:2px;direction:ltr;display:inline-block;
}
.number-card{
  background:var(--canvas);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px;display:flex;flex-direction:column;gap:10px;cursor:pointer;
  transition:border-color .15s,transform .15s;text-align:right;font-family:inherit;color:var(--ink);
}
.number-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.number-card.active{border-color:var(--primary);background:var(--surface)}
.number-card .num{font-size:18px;font-weight:700;color:var(--primary);direction:ltr;text-align:left}
.number-card .meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.number-card .meta span{font-size:11px;font-weight:700;color:var(--muted)}
.flag{font-size:20px;line-height:1}
.country-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{
  background:var(--surface-raised);color:var(--ink);border:1px solid transparent;
  border-radius:var(--r-lg);padding:6px 12px;font-size:12px;font-weight:700;
  cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:6px;min-height:32px;
}
.chip:hover{border-color:var(--primary)}
.chip.active{background:var(--primary);color:var(--on-primary)}

/* Message viewer modal */
.modal-overlay{
  position:fixed;inset:0;background:var(--overlay);z-index:var(--z-modal);
  display:flex;align-items:center;justify-content:center;padding:16px;
}
.modal{
  background:var(--canvas);border-radius:var(--r-lg);max-width:640px;width:100%;
  max-height:86vh;overflow:auto;padding:24px;position:relative;
}
.modal-close{
  position:absolute;top:12px;left:12px;width:32px;height:32px;border-radius:var(--r-md);
  border:1px solid var(--border);background:var(--canvas);color:var(--ink);cursor:pointer;font-size:16px;
}
.mail-view-body{
  background:var(--surface);border-radius:var(--r-md);padding:16px;margin-top:12px;
  font-size:14px;line-height:1.8;overflow-wrap:break-word;
}
.mail-view-body img{max-width:100%}

/* Toast */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--primary);color:var(--on-primary);padding:10px 20px;
  border-radius:var(--r-lg);font-size:14px;font-weight:700;z-index:999;
  box-shadow:var(--lift);transition:opacity .2s;
}

/* Status bar */
.status-bar{
  display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;color:var(--muted);
}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* Notice box */
.notice{
  background:var(--surface-raised);border-radius:var(--r-md);padding:16px 24px;
  font-size:14px;font-weight:600;color:var(--muted);display:flex;gap:12px;align-items:flex-start;
}
.notice b{color:var(--ink)}

/* ============ Content pages ============ */
.content{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:32px}
.content h2{font-size:22px;font-weight:400;margin:28px 0 12px}
.content h2:first-child{margin-top:0}
.content p{margin-bottom:12px;color:var(--muted);font-weight:600;font-size:14px}
.content ul{margin:8px 22px 16px}
.content li{margin-bottom:8px;color:var(--muted);font-weight:600;font-size:14px}
.breadcrumb{font-size:11px;font-weight:700;color:var(--muted);margin-bottom:16px;display:flex;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb span{color:var(--border)}

/* ============ Footer ============ */
.site-footer{background:var(--surface);border-top:1px solid var(--border);margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.site-footer p{font-size:14px;font-weight:600;color:var(--muted)}
.site-footer a{display:block;font-size:14px;font-weight:600;color:var(--muted);margin-bottom:10px}
.site-footer a:hover{color:var(--primary);text-decoration:none}
.footer-bottom{
  border-top:1px solid var(--border);margin-top:36px;padding-top:20px;
  text-align:center;font-size:11px;font-weight:700;color:var(--muted);
}
.social-row{display:flex;gap:12px;margin-top:8px}

/* ============ Responsive (spec breakpoints) ============ */
@media(max-width:1279px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:1023px){
  .hero-grid{grid-template-columns:1fr}
  .tool-wrap{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767px){
  .burger{display:block}
  .nav-links{
    display:none;position:absolute;top:64px;right:0;left:0;background:var(--canvas);
    flex-direction:column;align-items:stretch;padding:16px;gap:4px;
    border-bottom:1px solid var(--border);z-index:var(--z-drop);
  }
  .nav-links.open{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:48px 0 40px}
  .section{padding:48px 0}
  .cta-band{padding:40px 20px}
  .hero-stats{gap:20px}
}
@media(max-width:374px){
  .container{padding:0 12px}
}