/* ===== lous — dark SaaS loyalty platform ===== */
:root{
  --bg:        #07090d;
  --bg-soft:   #0b0e14;
  --card:      #11151e;
  --card-2:    #161b26;
  --line:      rgba(255,255,255,0.08);
  --line-2:    rgba(255,255,255,0.14);
  --fg:        #eef2f8;
  --fg-dim:    #9aa6b8;
  --fg-mute:   #5c6675;

  --emerald:   oklch(0.80 0.16 162);   /* المنصّة / brand */
  --emerald-d: oklch(0.66 0.15 162);
  --cyan:      oklch(0.81 0.12 224);   /* المحل */
  --violet:    oklch(0.74 0.15 295);   /* العميل */

  --brand:     var(--emerald);
  --radius:    18px;
  --maxw:      1180px;
  --ar: "IBM Plex Sans Arabic", system-ui, sans-serif;
  --en: "Space Grotesk", system-ui, sans-serif;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--ar);
  background:var(--bg);
  color:var(--fg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* ambient glow background */
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(900px 600px at 82% -8%, color-mix(in oklch, var(--emerald), transparent 86%), transparent 60%),
    radial-gradient(760px 540px at 8% 12%, color-mix(in oklch, var(--violet), transparent 90%), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, color-mix(in oklch, var(--cyan), transparent 92%), transparent 60%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(1100px 700px at 70% 0%, #000 0%, transparent 70%);
  mask-image:radial-gradient(1100px 700px at 70% 0%, #000 0%, transparent 70%);
}

.en{ font-family:var(--en); font-feature-settings:"tnum"; letter-spacing:.01em; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
section{ position:relative; }
a{ color:inherit; text-decoration:none; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:9px; cursor:pointer;
  font-family:var(--ar); font-weight:600; font-size:15.5px;
  padding:13px 22px; border-radius:13px; border:1px solid transparent;
  transition:transform .18s ease, box-shadow .25s ease, background .25s, border-color .25s;
  white-space:nowrap;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{
  background:linear-gradient(180deg, color-mix(in oklch, var(--emerald), white 8%), var(--emerald-d));
  color:#04140d;
  box-shadow:0 10px 30px -8px color-mix(in oklch, var(--emerald), transparent 55%),
             inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{ transform:translateY(-2px);
  box-shadow:0 16px 40px -10px color-mix(in oklch, var(--emerald), transparent 45%),
             inset 0 1px 0 rgba(255,255,255,.4); }
.btn-ghost{ background:rgba(255,255,255,.03); color:var(--fg); border-color:var(--line-2); }
.btn-ghost:hover{ background:rgba(255,255,255,.07); border-color:rgba(255,255,255,.25); }
.btn .ar-arrow{ font-size:18px; line-height:1; transform:translateY(1px); }

.pill{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:500; color:var(--fg-dim);
  padding:7px 14px; border:1px solid var(--line-2); border-radius:999px;
  background:rgba(255,255,255,.02);
}
.pill .dot{ width:7px; height:7px; border-radius:50%; background:var(--emerald);
  box-shadow:0 0 10px 1px color-mix(in oklch, var(--emerald), transparent 30%); }

/* ---------- nav ---------- */
header.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(14px) saturate(1.3); -webkit-backdrop-filter:blur(14px) saturate(1.3);
  background:color-mix(in oklch, var(--bg), transparent 25%);
  border-bottom:1px solid transparent; transition:border-color .3s, background .3s;
}
header.nav.scrolled{ border-bottom-color:var(--line); background:color-mix(in oklch, var(--bg), transparent 12%); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.logo{ font-family:var(--en); font-weight:700; font-size:27px; letter-spacing:-.02em;
  display:inline-flex; align-items:center; }
.logo b{ color:var(--emerald); font-weight:700; }
.logo .tld{ color:var(--fg-mute); font-weight:500; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{ font-size:15px; color:var(--fg-dim); transition:color .2s; white-space:nowrap; }
.nav-links a:hover{ color:var(--fg); }
.nav-cta{ display:flex; align-items:center; gap:12px; }
.nav-login{ font-size:15px; color:var(--fg-dim); white-space:nowrap; }
.nav-login:hover{ color:var(--fg); }
@media (max-width:880px){ .nav-links{ display:none; } .nav-login{ display:none; } }

/* ---------- hero ---------- */
.hero{ padding:84px 0 90px; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:54px; align-items:center; }
.hero h1{
  font-size:clamp(38px, 5.2vw, 64px); line-height:1.12; font-weight:700;
  letter-spacing:-.01em; margin:22px 0 20px; text-wrap:balance;
}
.hero h1 .hl{ color:var(--emerald); }
.hero p.lead{ font-size:clamp(17px,1.5vw,20px); color:var(--fg-dim); max-width:560px; }
.hero-actions{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }
.hero-trust{ display:flex; align-items:center; gap:14px; margin-top:34px; color:var(--fg-mute); font-size:14px; }
.avatars{ display:flex; }
.avatars span{ width:32px; height:32px; border-radius:50%; border:2px solid var(--bg);
  margin-inline-start:-10px; display:grid; place-items:center;
  font-family:var(--en); font-size:12px; font-weight:600; color:var(--fg-dim);
  background:linear-gradient(135deg, var(--card-2), var(--card)); }
.avatars span:first-child{ margin-inline-start:0; }

/* hero card mockup */
.hero-visual{ position:relative; display:grid; place-items:center; perspective:1200px; }
.stampcard{
  position:relative; width:min(420px, 92%); border-radius:24px;
  background:linear-gradient(165deg, var(--card-2), var(--card));
  border:1px solid var(--line-2);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.06);
  padding:26px 26px 28px; transform-style:preserve-3d; transition:transform .2s ease;
}
.stampcard::before{ content:""; position:absolute; inset:0; border-radius:24px; pointer-events:none;
  background:radial-gradient(420px 200px at 80% -10%, color-mix(in oklch,var(--emerald),transparent 84%), transparent 65%); }
.sc-top{ display:flex; align-items:center; justify-content:space-between; }
.sc-brand{ display:flex; align-items:center; gap:11px; }
.sc-logo{ width:42px; height:42px; border-radius:12px; display:grid; place-items:center;
  background:color-mix(in oklch, var(--emerald), transparent 84%); font-size:21px; }
.sc-brand .nm{ font-weight:700; font-size:16px; }
.sc-brand .ds{ font-size:12.5px; color:var(--fg-mute); }
.sc-points{ text-align:center; }
.sc-points .num{ font-family:var(--en); font-size:26px; font-weight:700; color:var(--emerald); line-height:1; }
.sc-points .lbl{ font-size:11px; color:var(--fg-mute); }
.sc-stamps{ display:grid; grid-template-columns:repeat(5,1fr); gap:13px; margin:24px 0 20px; }
.stamp{ aspect-ratio:1; border-radius:50%; border:1.5px dashed var(--line-2);
  display:grid; place-items:center; font-size:19px; color:var(--fg-mute);
  transition:all .4s cubic-bezier(.2,.8,.2,1); }
.stamp.filled{ border-style:solid; border-color:transparent;
  background:linear-gradient(150deg, color-mix(in oklch,var(--emerald),white 6%), var(--emerald-d));
  color:#04140d; box-shadow:0 6px 16px -6px color-mix(in oklch,var(--emerald),transparent 50%); }
.stamp.reward{ border-color:color-mix(in oklch,var(--emerald),transparent 40%); color:var(--emerald); }
.sc-foot{ display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid var(--line); padding-top:16px; }
.sc-foot .reward-txt{ font-size:13.5px; color:var(--fg-dim); }
.sc-foot .reward-txt b{ color:var(--fg); }
.sc-qr{ width:46px; height:46px; border-radius:11px; background:#fff; padding:5px; }
.sc-qr svg{ width:100%; height:100%; display:block; }
.float-chip{ position:absolute; display:flex; align-items:center; gap:8px;
  padding:9px 14px; border-radius:13px; font-size:13px; font-weight:600;
  background:color-mix(in oklch, var(--card-2), transparent 5%); border:1px solid var(--line-2);
  box-shadow:0 16px 40px -16px rgba(0,0,0,.7); backdrop-filter:blur(6px); }
.float-chip .ic{ width:24px; height:24px; border-radius:7px; display:grid; place-items:center; font-size:13px; }
.fc-1{ top:6%; inset-inline-start:-6%; }
.fc-1 .ic{ background:color-mix(in oklch,var(--cyan),transparent 80%); color:var(--cyan); }
.fc-2{ bottom:8%; inset-inline-end:-5%; }
.fc-2 .ic{ background:color-mix(in oklch,var(--violet),transparent 80%); color:var(--violet); }

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; gap:48px; }
  .hero-visual{ order:-1; }
}

/* ---------- section heading ---------- */
.sec-head{ max-width:660px; margin-bottom:50px; }
.sec-head .pill{ margin-bottom:18px; }
.sec-head h2{ font-size:clamp(28px,3.4vw,42px); font-weight:700; line-height:1.2; letter-spacing:-.01em; }
.sec-head p{ color:var(--fg-dim); font-size:17px; margin-top:14px; }
.section-pad{ padding:96px 0; }

/* ---------- how it works (tiers) ---------- */
.tiers{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; max-width:820px; margin-inline:auto; }
.tier{
  position:relative; border-radius:var(--radius); padding:30px 26px 28px;
  background:linear-gradient(180deg, var(--card-2), var(--card));
  border:1px solid var(--line); overflow:hidden;
  transition:transform .25s ease, border-color .25s;
}
.tier:hover{ transform:translateY(-4px); border-color:var(--line-2); }
.tier .glow{ position:absolute; inset:0 0 auto 0; height:3px; }
.tier .step{ font-family:var(--en); font-size:13px; font-weight:600; color:var(--fg-mute); }
.tier .ticon{ width:52px; height:52px; border-radius:14px; display:grid; place-items:center;
  font-size:25px; margin:14px 0 18px; }
.tier h3{ font-size:21px; font-weight:700; margin-bottom:10px; }
.tier p{ color:var(--fg-dim); font-size:15px; }
.tier ul{ list-style:none; margin-top:18px; display:flex; flex-direction:column; gap:11px; }
.tier ul li{ display:flex; align-items:flex-start; gap:10px; font-size:14.5px; color:var(--fg-dim); }
.tier ul li::before{ content:""; flex:none; width:18px; height:18px; border-radius:6px; margin-top:3px;
  background:currentColor; opacity:.16; }
.tier .tag{ position:absolute; top:26px; inset-inline-end:26px; font-size:12px; font-weight:600;
  padding:4px 11px; border-radius:999px; }
.tier.admin{ --t:var(--emerald); }
.tier.store{ --t:var(--cyan); }
.tier.cust{ --t:var(--violet); }
.tier .glow{ background:linear-gradient(90deg, transparent, var(--t), transparent); }
.tier .ticon{ background:color-mix(in oklch, var(--t), transparent 84%); color:var(--t);
  box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--t),transparent 70%); }
.tier h3 span{ color:var(--t); }
.tier .tag{ color:var(--t); background:color-mix(in oklch,var(--t),transparent 86%);
  border:1px solid color-mix(in oklch,var(--t),transparent 70%); }
.tier ul li{ color:var(--fg-dim); }
.tier-arrow{ display:none; }
@media (max-width:860px){ .tiers{ grid-template-columns:1fr; } }

/* ---------- features ---------- */
.features{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.feat{ padding:26px 24px; border-radius:var(--radius); border:1px solid var(--line);
  background:rgba(255,255,255,.015); transition:background .25s, border-color .25s; }
.feat:hover{ background:rgba(255,255,255,.04); border-color:var(--line-2); }
.feat .fic{ width:46px; height:46px; border-radius:12px; display:grid; place-items:center; font-size:22px;
  background:color-mix(in oklch,var(--emerald),transparent 86%); color:var(--emerald); margin-bottom:16px; }
.feat h4{ font-size:18px; font-weight:600; margin-bottom:8px; }
.feat p{ color:var(--fg-dim); font-size:14.5px; }
@media (max-width:860px){ .features{ grid-template-columns:1fr; } }

/* ---------- pricing ---------- */
.prices{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch; }
.price{ position:relative; border-radius:var(--radius); padding:32px 28px;
  background:linear-gradient(180deg, var(--card-2), var(--card)); border:1px solid var(--line);
  display:flex; flex-direction:column; }
.price.pop{ border-color:color-mix(in oklch,var(--emerald),transparent 55%);
  box-shadow:0 30px 70px -34px color-mix(in oklch,var(--emerald),transparent 45%); }
.price .badge{ position:absolute; top:-13px; inset-inline-start:50%; transform:translateX(50%);
  font-size:12.5px; font-weight:700; color:#04140d; padding:5px 15px; border-radius:999px; white-space:nowrap;
  background:linear-gradient(180deg, color-mix(in oklch,var(--emerald),white 8%), var(--emerald-d)); }
.price .pname{ font-size:18px; font-weight:700; }
.price .pdesc{ color:var(--fg-mute); font-size:14px; margin-top:4px; min-height:42px; }
.price .amount{ display:flex; align-items:flex-end; gap:7px; margin:18px 0 22px; }
.price .amount .v{ font-family:var(--en); font-size:46px; font-weight:700; line-height:.9; }
.price .amount .cur{ font-size:18px; color:var(--fg-dim); margin-bottom:6px; }
.price .amount .per{ font-size:14px; color:var(--fg-mute); margin-bottom:7px; }
.price ul{ list-style:none; display:flex; flex-direction:column; gap:13px; margin-bottom:26px; flex:1; }
.price ul li{ display:flex; gap:11px; align-items:flex-start; font-size:14.5px; color:var(--fg-dim); }
.price ul li .ck{ flex:none; width:20px; height:20px; border-radius:6px; display:grid; place-items:center;
  background:color-mix(in oklch,var(--emerald),transparent 84%); color:var(--emerald); font-size:12px; margin-top:2px; }
.price .btn{ width:100%; justify-content:center; }
@media (max-width:860px){ .prices{ grid-template-columns:1fr; } }

/* ---------- CTA band ---------- */
.cta-band{ position:relative; border-radius:28px; padding:64px 40px; text-align:center; overflow:hidden;
  background:linear-gradient(160deg, color-mix(in oklch,var(--emerald),transparent 88%), var(--card));
  border:1px solid color-mix(in oklch,var(--emerald),transparent 70%); }
.cta-band::before{ content:""; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(600px 300px at 50% -30%, color-mix(in oklch,var(--emerald),transparent 78%), transparent 60%); }
.cta-band h2{ font-size:clamp(28px,3.6vw,44px); font-weight:700; line-height:1.18; letter-spacing:-.01em; }
.cta-band p{ color:var(--fg-dim); font-size:17px; margin:16px auto 30px; max-width:520px; }
.cta-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- footer ---------- */
footer{ border-top:1px solid var(--line); margin-top:96px; padding:54px 0 40px; }
.foot-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:34px; }
.foot-brand .logo{ font-size:26px; margin-bottom:14px; }
.foot-brand p{ color:var(--fg-mute); font-size:14px; max-width:280px; }
.foot-col h5{ font-size:13px; color:var(--fg-mute); font-weight:600; margin-bottom:16px; letter-spacing:.02em; }
.foot-col a{ display:block; color:var(--fg-dim); font-size:14.5px; margin-bottom:11px; transition:color .2s; }
.foot-col a:hover{ color:var(--fg); }
.foot-bottom{ display:flex; align-items:center; justify-content:space-between;
  border-top:1px solid var(--line); margin-top:40px; padding-top:24px;
  color:var(--fg-mute); font-size:13.5px; flex-wrap:wrap; gap:12px; }
@media (max-width:760px){ .foot-grid{ grid-template-columns:1fr 1fr; } }

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; transition:none; } }