/* Sirplix website — black, solid, minimal. System fonts only (no outside requests). */
:root{--bg:#000;--ink:#fff;--mut:#9a9a95;--dim:#5f5f5a;--line:#1f1f1f;--alt:#0a0a0a;--red:#E8261C;--paper:#F5F5F2}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,"Noto Sans Arabic",Tahoma,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}.narrow{max-width:760px}
.row{display:flex;align-items:center;gap:24px}
h1,h2,h3,.brand b,.k,.btn,.pill,.mock{font-family:"Arial Black","Segoe UI Black","Segoe UI",system-ui,sans-serif}
h1{font-size:clamp(44px,8vw,104px);line-height:.98;letter-spacing:-.035em;margin:18px 0 22px;font-weight:900;text-transform:uppercase}
h1 span{color:var(--mut)}
h2{font-size:clamp(30px,4.4vw,52px);line-height:1.05;letter-spacing:-.025em;margin:10px 0 14px;font-weight:900}
h3{font-size:18px;margin:0 0 6px;font-weight:900;letter-spacing:-.005em}
p{margin:0 0 12px}
.k{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--mut);margin:0;font-weight:700}
.sub,.lead{color:#c9c9c4;max-width:720px;font-size:18px}.lead{font-size:clamp(17px,1.6vw,20px)}
section{padding:110px 0;border-top:1px solid var(--line)}section.alt{background:var(--alt)}
[dir=rtl] h1,[dir=rtl] h2{letter-spacing:0;text-transform:none}[dir=rtl] .k,[dir=rtl] .strip span{letter-spacing:.04em}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(0,0,0,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .row{height:68px}.brand{display:inline-flex;align-items:center;gap:10px}.brand b{font-size:17px;letter-spacing:.2em}
.nav{display:flex;gap:26px;margin-inline-start:auto;font-size:14px;color:var(--mut)}.nav a:hover{color:#fff}.nav .lang{color:#fff}
.burger{display:none;background:none;border:1px solid #333;width:42px;height:38px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:#000;border:1px solid #fff;padding:14px 26px;font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;border-radius:0}
.btn:hover{background:var(--paper)}.btn.sm{padding:10px 16px;font-size:11.5px}.btn.ghost{background:transparent;color:#fff;border-color:#444}.btn.ghost:hover{border-color:#fff}
[dir=rtl] .btn{letter-spacing:0}
/* hero */
.hero{padding:96px 0 0;border-top:0}.ctas{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 64px}
.mock{border:1px solid #2a2a2a;font-size:11.5px;letter-spacing:.06em;background:#000;margin-bottom:-1px;font-family:"Segoe UI",system-ui,sans-serif}
.mbar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid #222}.mbar b{letter-spacing:.24em}.g{color:#777}.r{color:var(--red)}
.mbar .sp{flex:1}.ask{border:1px solid #333;padding:5px 12px;color:#888;min-width:210px}
.mgrid{display:grid;grid-template-columns:190px 1fr}.mside{border-inline-end:1px solid #222;padding:16px;display:flex;flex-direction:column;gap:10px;color:#777;font-size:11px;letter-spacing:.14em}
.mside em{font-style:normal;color:#444;margin-top:8px}.mside .on{color:#fff;border-inline-start:2px solid var(--red);padding-inline-start:8px}
.mmain{padding:18px 20px 22px}.mlbl{color:#888;letter-spacing:.22em;font-size:11px}
.mtabs{display:flex;gap:22px;margin:12px 0 14px;border-bottom:1px solid #222;color:#666;font-size:11px;letter-spacing:.16em}.mtabs span{padding-bottom:8px}.mtabs .on{color:#fff;border-bottom:2px solid #fff}
.mkpi{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #222;margin-bottom:14px}.mkpi div{padding:10px 14px;border-inline-end:1px solid #222;color:#777;font-size:10.5px;letter-spacing:.12em}.mkpi div:last-child{border:0}
.mkpi b{display:block;color:#fff;font-size:24px;letter-spacing:-.01em;font-family:"Arial Black",sans-serif}.mkpi b.r{color:var(--red)}
.mock table{width:100%;border-collapse:collapse}.mock th{color:#555;text-align:start;font-weight:600;padding:7px 0;border-bottom:1px solid #222;letter-spacing:.14em;font-size:10.5px}.mock td{padding:9px 0;border-bottom:1px solid #141414}
/* strip */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.strip .wrap{display:flex;flex-wrap:wrap;gap:12px 34px;padding-top:22px;padding-bottom:22px}
.strip span{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#bdbdb8;font-weight:700}
/* apps */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
.app{background:#000;padding:28px 24px 30px;min-height:290px;display:flex;flex-direction:column}.app.soon{color:#bdbdb8}.app p{color:#a9a9a4;font-size:15px}.app .who{color:#fff;font-size:14px}
.apptop{margin-bottom:56px}.app .link{margin-top:auto;font-size:14px;border-bottom:1px solid #fff;align-self:flex-start;padding-bottom:2px}
.pill{display:inline-block;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;padding:5px 10px;border:1px solid #444;color:#bdbdb8}.pill.live{border-color:var(--red);color:#fff;background:var(--red)}
/* steps, blocks */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:44px}.num{display:block;font:900 64px/1 "Arial Black",sans-serif;color:#2c2c2c;margin-bottom:18px}.step p{color:#a9a9a4}
.blocks{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}.blk{background:#000;padding:26px 22px}.blk p{color:#a9a9a4;font-size:14.5px;margin:0}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
.plan{background:#000;padding:26px 20px 30px;position:relative}.plan.best{background:#111;outline:1px solid #fff;outline-offset:-1px}.plan .pill{position:absolute;top:-12px;inset-inline-start:20px}
.plan .who{color:var(--mut);font-size:14px}.price{margin:18px 0 2px}.price b{font:900 34px/1 "Arial Black",sans-serif}.price span{color:var(--mut);font-size:13px}
.users{color:#fff;font-size:13px;letter-spacing:.06em;margin-bottom:16px}.plan ul{list-style:none;padding:0;margin:0;font-size:14px;color:#c9c9c4}.plan li{padding:7px 0;border-top:1px solid #1c1c1c}
/* experts */
.two{display:grid;grid-template-columns:1fr 1fr;gap:64px}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tags span{border:1px solid #444;padding:8px 14px;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px}.form label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:#bdbdb8;letter-spacing:.04em}
.form input,.form select,.form textarea{background:#000;color:#fff;border:1px solid #333;padding:13px 14px;font:inherit;font-size:16px;border-radius:0}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:#fff}.full{grid-column:1/-1}.hp{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);opacity:0;pointer-events:none}
.note{margin:0;min-height:1.4em;font-size:15px}.note.ok{color:#fff}.note.bad{color:#ff8a82}.tiny{font-size:12.5px;color:var(--dim);margin:0}
/* footer */
.foot{border-top:1px solid var(--line);padding:56px 0}.foot .row{justify-content:space-between;align-items:flex-end;flex-wrap:wrap}.foot p{color:var(--mut);font-size:14px;margin:10px 0 0}.foot .link{color:#fff;border-bottom:1px solid #555}
/* upgrade 63: School National page */
.k a{color:#fff;border-bottom:1px solid #555}.blocks.three{grid-template-columns:repeat(3,1fr)}.plans.three{grid-template-columns:repeat(3,1fr)}
.cmps{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}.cmp{background:#000;padding:28px 26px}
.cmp ul{list-style:none;padding:0;margin:14px 0 0}.cmp li{padding:10px 0;border-top:1px solid #1c1c1c;color:#8a8a85;text-decoration:line-through;text-decoration-color:#444}
.cmp.after{background:#111}.cmp.after li{color:#fff;text-decoration:none}.cmp.after h3{color:#fff}
/* phone */
@media (max-width:980px){.apps,.blocks,.blocks.three{grid-template-columns:1fr 1fr}.plans.three{grid-template-columns:1fr}.plans{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr;gap:56px}.mgrid{grid-template-columns:1fr}.mside{display:none}}
@media (max-width:760px){
 section{padding:76px 0}.wrap{padding:0 16px}
 .nav{display:none;position:absolute;top:68px;inset-inline:0;background:#000;flex-direction:column;gap:0;padding:8px 16px 16px;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav a{padding:12px 0;border-bottom:1px solid #151515;font-size:16px;color:#fff}
 .burger{display:flex}.top .btn.sm{display:none}.top .row{gap:12px}.top .brand{margin-inline-end:auto}
 .apps,.blocks,.blocks.three,.plans,.steps,.cmps{grid-template-columns:1fr}.form{grid-template-columns:1fr}.ask{display:none}
 .mkpi{grid-template-columns:1fr 1fr}.mkpi div:nth-child(2){border-inline-end:0}.mkpi div:nth-child(-n+2){border-bottom:1px solid #222}
 .mock td:nth-child(2),.mock th:nth-child(2),.mock td:nth-child(4),.mock th:nth-child(4){display:none}
 .app{min-height:0}.apptop{margin-bottom:28px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* upgrade 64: sign-in page */
.signin{padding-bottom:110px}.signin .big{font-size:clamp(34px,5vw,60px)}.form.one{grid-template-columns:1fr}.last{border:1px solid #333;padding:16px 18px;margin:26px 0 0}.last .btn{margin-top:6px}
.tips{color:#a9a9a4;padding-inline-start:20px;font-size:15px}.tips li{margin:8px 0}.tips b{color:#fff}