@font-face{font-family:"Vazirmatn";src:url(fonts/Vazirmatn.ttf) format("truetype");font-weight:100 900;font-display:swap}
@font-face{font-family:"BoardMono";src:url(fonts/DejaVuSansMono.ttf) format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"BoardMono";src:url(fonts/DejaVuSansMono-Bold.ttf) format("truetype");font-weight:700;font-display:swap}

:root{
  --ink:#0e2b33;        /* deep petrol: text, headings */
  --paper:#f2f5f4;      /* cool paper */
  --white:#fff;
  --board:#0a1618;      /* the rate board */
  --led:#f2b33d;        /* amber digits: used on the board only */
  --green:#1b7a5c;      /* actions and links */
  --green-d:#14604884;
  --line:#c9d6d4;
  --mute:#4b6166;
  --gutter:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Vazirmatn",system-ui,sans-serif;font-size:1.0625rem;line-height:1.85}
html[lang="en"] body{line-height:1.65}
img,svg{max-width:100%}
a{color:var(--green);text-underline-offset:.2em}
a:focus-visible,button:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.wrap{max-inline-size:1120px;margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;inset-inline-start:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{inset-inline-start:var(--gutter)}

/* ---- header */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:1.35rem;letter-spacing:-.01em}
.brand svg{inline-size:30px;block-size:30px;flex:none}
.nav{display:flex;align-items:center;gap:6px 22px;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
.nav a:hover{text-decoration:underline}
.nav .lang{border:1px solid var(--line);border-radius:999px;padding:2px 12px;background:var(--white)}
@media (max-width:760px){.nav .hide-s{display:none}}

/* ---- hero */
.hero{padding-block:24px 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1{text-wrap:balance;font-size:clamp(2rem,4.6vw,3.35rem);line-height:1.25;font-weight:800;letter-spacing:-.015em;margin:0 0 18px;max-inline-size:16em}
html[lang="en"] .hero h1{line-height:1.08;letter-spacing:-.03em}
.hero p.lead{font-size:1.15rem;max-inline-size:34em;margin:0 0 26px;color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:11px 22px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid var(--green);font-size:1rem;line-height:1.5}
.btn-main{background:var(--green);color:#fff}
.btn-main:hover{background:#14604a;border-color:#14604a}
.btn-alt{background:transparent;color:var(--green)}
.btn-alt:hover{background:#e3eeea}
.hero .note{margin-top:14px;color:var(--mute);font-size:.92rem}

/* the rate board: the one memorable thing */
.board{background:var(--board);border-radius:14px;padding:18px 18px 14px;color:#cfe0e2;box-shadow:0 18px 40px -22px rgba(10,22,24,.7);direction:ltr}
.board-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid #20373b;padding-bottom:10px;margin-bottom:6px;font-size:.8rem;color:#8fa8ac}
.board-head b{color:#cfe0e2;font-weight:600}
.board table{width:100%;border-collapse:collapse;font-family:"BoardMono",ui-monospace,monospace}
.board th{font-family:"Vazirmatn",system-ui,sans-serif;font-weight:500;font-size:.78rem;color:#8fa8ac;text-align:right;padding:4px 0}
.board th:first-child,.board td:first-child{text-align:left}
.board td{padding:9px 0;border-bottom:1px solid #162a2e;font-size:clamp(1rem,2.3vw,1.3rem);color:var(--led);text-align:right;font-variant-numeric:tabular-nums;letter-spacing:.04em;font-weight:700}
.board tr:last-child td{border-bottom:0}
.board td.code{color:#e9f1f2;font-size:1rem;letter-spacing:.08em}
.board td.code small{display:block;font-family:"Vazirmatn",system-ui,sans-serif;font-weight:400;font-size:.72rem;color:#8fa8ac;letter-spacing:0}
.board-foot{margin-top:10px;font-family:"Vazirmatn",system-ui,sans-serif;font-size:.78rem;color:#8fa8ac;direction:inherit}
html[lang="fa"] .board-foot{direction:rtl;text-align:right}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:30px}}

/* ---- bands */
.band{padding-block:56px}
.band-white{background:var(--white);border-block:1px solid var(--line)}
.band h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.35;font-weight:800;margin:0 0 10px;letter-spacing:-.01em;max-inline-size:20em}
html[lang="en"] .band h2{line-height:1.15;letter-spacing:-.02em}
.band .sub{color:var(--mute);max-inline-size:38em;margin:0 0 28px}

/* ledger: what the system does, set like lines of an account book */
.ledger{margin:0;display:grid;grid-template-columns:1fr}
.ledger div{display:grid;grid-template-columns:minmax(150px,13rem) 1fr;gap:6px 28px;padding:15px 0;border-block-end:1px solid var(--line)}
.ledger div:first-child{border-block-start:2px solid var(--ink)}
.ledger dt{font-weight:800}
.ledger dd{margin:0;max-inline-size:44em}
@media (max-width:640px){.ledger div{grid-template-columns:1fr}.ledger dt{color:var(--green)}}

.band h3.group{margin:38px 0 0;font-size:1.15rem;font-weight:800;color:var(--green)}
.band h3.group+.ledger div:first-child{border-block-start:2px solid var(--ink)}
.ledger div:first-child{border-block-start:0}
.ledger{margin-block-start:10px}

.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 44px;margin-top:22px}
.band .feats h3.group{margin:0;padding-block-end:6px;border-block-end:2px solid var(--ink)}
.titles{list-style:none;margin:0;padding:0}
.titles li{padding:11px 0;border-block-end:1px solid var(--line);font-weight:700}
.titles small{display:block;font-weight:400;color:var(--mute);font-size:.88rem}
.fine{margin:22px 0 0;color:var(--mute);font-size:.88rem}
@media (max-width:860px){.feats{grid-template-columns:1fr;gap:26px}}
.band .checks+*{margin:0}

/* install ways */
.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--paper)}
.way{padding:22px 22px 24px}
.way+.way{border-inline-start:1px solid var(--line)}
.way h3{margin:0 0 6px;font-size:1.1rem;font-weight:800}
.way p{margin:0;color:var(--ink)}
@media (max-width:820px){.ways{grid-template-columns:1fr}.way+.way{border-inline-start:0;border-block-start:1px solid var(--line)}}
.keep{margin-top:22px;font-weight:700}

/* security & app lists */
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media (max-width:820px){.two{grid-template-columns:1fr;gap:34px}}
.checks{list-style:none;margin:0;padding:0}
.checks li{position:relative;padding-block:9px;padding-inline-start:30px;border-block-end:1px solid var(--line)}
.checks li::before{content:"";position:absolute;inset-inline-start:2px;top:1.05em;width:15px;height:8px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg) translateY(-2px)}
.band h3.h3{font-size:1.2rem;font-weight:800;margin:0 0 8px}

/* contact */
.contact{background:var(--ink);color:#e8f0f1;padding-block:60px}
.contact h2{color:#fff}
.contact .sub{color:#b4c7ca}
.contact a.mail{color:#fff;font-size:clamp(1.3rem,3.2vw,2rem);font-weight:800;text-decoration:none;border-block-end:3px solid var(--led);padding-block-end:2px;direction:ltr;display:inline-block}
.contact .btn-main{background:#fff;color:var(--ink);border-color:#fff}
.contact .btn-main:hover{background:#e3eeea;border-color:#e3eeea}
.contact .btn-alt{color:#fff;border-color:#6f8a8f}
.contact .btn-alt:hover{background:#1d4048}
.contact .actions{margin-top:26px}
.contact p.price{margin-top:30px;max-inline-size:38em;color:#b4c7ca}

footer.foot{padding-block:26px;color:var(--mute);font-size:.9rem}
.foot .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.foot a{color:var(--mute)}

/* one orchestrated moment: the board digits settle once */
@media (prefers-reduced-motion:no-preference){
  .board td.rate{transition:opacity .25s}
  .board.is-settling td.rate{opacity:.55}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.board{box-shadow:none}.contact{background:#fff;color:#000}}

/* security blocks */
.safeg{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.sf{padding:16px 0;border-block-end:1px solid var(--line)}
.safeg .sf:nth-child(-n+2){border-block-start:2px solid var(--ink)}
.band .sf h3{margin:0 0 3px;font-size:1.05rem;font-weight:800}
.sf p{margin:0;max-inline-size:34em}
.band h2.app-h{margin-block-start:44px}
.checks.cols{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
@media (max-width:760px){.safeg,.checks.cols{grid-template-columns:1fr}.safeg .sf:nth-child(2){border-block-start:0}}

/* the app: a phone that shows four sample screens in turn */
.app-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.app-cols{display:grid;grid-template-columns:1fr 1fr;gap:8px 32px;margin-top:8px}
.app-cols .group{margin:0;padding-block-end:6px;border-block-end:2px solid var(--ink)}
@media (max-width:900px){.app-grid{grid-template-columns:1fr}.app-cols{grid-template-columns:1fr;gap:22px}}
.phone-wrap{display:flex;flex-direction:column;align-items:center;gap:12px}
.phone{position:relative;inline-size:268px;block-size:540px;border:11px solid var(--board);border-radius:38px;background:#f7faf9;overflow:hidden;box-shadow:0 22px 44px -24px rgba(10,22,24,.65);direction:inherit}
.notch{position:absolute;inset-inline:0;margin-inline:auto;top:0;inline-size:96px;block-size:20px;background:var(--board);border-radius:0 0 14px 14px;z-index:3}
.screen{position:absolute;inset:0;padding:34px 16px 16px;opacity:0;visibility:hidden;transition:opacity .45s;font-size:.9rem;line-height:1.5;color:var(--ink)}
.screen.on{opacity:1;visibility:visible}
.sbar{font-weight:800;font-size:.8rem;color:var(--mute);margin-block-end:10px}
.screen h4{margin:0 0 8px;font-size:1.15rem;font-weight:800}
.screen ul{list-style:none;margin:0;padding:0}
.screen li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-block-end:8px}
.screen li .av{inline-size:30px;block-size:30px;border-radius:50%;background:var(--ink);color:var(--led);display:inline-grid;place-items:center;font-weight:800;font-size:.85rem;flex:none}
.screen li span:not(.av){flex:1}
.screen .ssub{margin:0 0 6px;color:var(--mute);font-size:.82rem}
.screen .bal li b{font-family:"BoardMono",ui-monospace,monospace;font-size:.98rem}
.screen .req li{align-items:flex-start}
.screen .req small{display:block;color:var(--mute);font-size:.78rem}
.screen .req em{font-style:normal;font-size:.76rem;background:#e3eeea;color:#14604a;border-radius:999px;padding:1px 9px;white-space:nowrap}
.sbtn{display:block;text-align:center;background:var(--green);color:#fff;border-radius:11px;padding:9px 10px;font-weight:700;font-size:.88rem;margin-block-start:10px}
.sbtn.alt{background:#fff;color:var(--green);border:2px solid var(--green)}
.srow{display:flex;gap:8px}.srow .sbtn{flex:1}
.screen.lock{background:linear-gradient(170deg,#12333b,#0a1618);color:#fff;text-align:center}
.screen.lock .clock{margin-block-start:34px;font-size:3rem;font-weight:300;letter-spacing:.02em;font-family:"BoardMono",ui-monospace,monospace}
.screen.lock .note{margin-block-start:26px;background:rgba(255,255,255,.14);border-radius:14px;padding:11px 14px;text-align:start}
.screen.lock .note b{display:block;font-size:.85rem}
.screen.lock .note span{font-size:.88rem}
.screen.lock .hint{margin:20px 6px 0;color:#9fb6ba;font-size:.78rem}
.dots{display:flex;gap:10px}
.dot{inline-size:12px;block-size:12px;border-radius:50%;border:2px solid var(--ink);background:transparent;padding:0;cursor:pointer}
.dot[aria-current="true"]{background:var(--ink)}
.phone-cap{margin:0;color:var(--mute);font-size:.85rem}
@media (prefers-reduced-motion:reduce){.screen{transition:none}}

/* real screenshots in the frame */
.phone.shots{inline-size:300px;block-size:auto;aspect-ratio:768/962;border-width:10px;border-radius:30px;background:#0a1d23}
.phone.shots .screen{padding:0}
.phone.shots .screen img{display:block;inline-size:100%;block-size:100%;object-fit:cover}
.phone.shots{inline-size:min(430px,100%)}
.app-grid{grid-template-columns:1fr 1fr}
.brand img{block-size:34px;inline-size:auto;display:block}