/* RadarPanel intro site. Colours are the panel's own dark theme (RadarPanel resources/css/app.css). */
@font-face {
  font-family: Vazirmatn;
  src: url(fonts/Vazirmatn-wght.woff2) format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --night: #050B16;
  --deep: #081428;
  --surface: #0C1A30;
  --line: rgba(120, 200, 255, .12);
  --line-strong: rgba(120, 220, 255, .26);
  --moon: #EAF2FF;
  --mist: #9AB0C8;
  --radar: #2EF2A0;
  --radar-ink: #03140D;
  --signal: #38BDF8;
  --radius: 14px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: Vazirmatn, Tahoma, sans-serif;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--moon);
  background: var(--night);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.35; margin: 0; font-weight: 850; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, 2.15rem); }
h3 { font-size: 1.125rem; font-weight: 800; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.nw { white-space: nowrap; }
.sub { color: var(--mist); margin-top: 8px; max-width: 62ch; }
section { padding-block: clamp(56px, 8vw, 104px); scroll-margin-top: 68px; }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; background: var(--radar); color: var(--radar-ink); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { top: 12px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 10px 22px; border-radius: 12px; border: 0;
  font: inherit; font-weight: 800; text-decoration: none; cursor: pointer;
  color: var(--radar-ink); background: linear-gradient(135deg, var(--radar), #22D3C5);
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(1px); }
.btn-ghost { color: var(--moon); background: transparent; box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--radar); filter: none; }
.btn-sm { min-height: 40px; padding: 6px 16px; font-size: .9375rem; }
.btn-block { width: 100%; }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: rgba(5, 11, 22, .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; flex: none; }
.brand-text { display: grid; line-height: 1.15; }
.brand-text b { font-size: 1.125rem; font-weight: 850; }
.brand-text small { font-size: .625rem; font-weight: 650; letter-spacing: .2em; color: var(--mist); text-align: end; }
.nav { display: flex; gap: 4px; margin-inline-start: auto; }
.nav a { text-decoration: none; color: var(--mist); padding: 6px 12px; border-radius: 8px; font-size: .9375rem; }
.nav a:hover { color: var(--moon); background: rgba(120, 200, 255, .06); }

/* Hero */
.hero { padding-block: clamp(40px, 6vw, 80px) clamp(56px, 7vw, 96px); overflow: hidden; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.kicker { color: var(--radar); font-weight: 750; margin-bottom: 14px; }
.hero h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem); line-height: 1.25; letter-spacing: -.01em; }
.lead { color: var(--mist); font-size: 1.0625rem; margin-top: 18px; max-width: 54ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.works { margin-top: 22px; color: var(--mist); font-size: .9375rem; }
.works b { color: var(--moon); font-weight: 700; }

.hero-visual { position: relative; aspect-ratio: 16 / 12; }
.sweep {
  position: absolute; inset: -12% -8% -6% -14%; border-radius: 50%;
  background:
    conic-gradient(from 0deg, rgba(46, 242, 160, .16), transparent 70deg),
    radial-gradient(circle, transparent 49.6%, rgba(120, 220, 255, .10) 50%, transparent 50.4%),
    radial-gradient(circle, transparent 69.6%, rgba(120, 220, 255, .08) 70%, transparent 70.4%);
  animation: sweep 9s linear infinite;
}
@keyframes sweep { to { transform: rotate(1turn); } }
.screen { position: absolute; margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--surface); border: 1px solid var(--line-strong); box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8); }
.screen-admin { inset-inline-start: 0; top: 4%; width: 92%; }
.screen-bar { display: flex; gap: 6px; padding: 9px 12px; border-bottom: 1px solid var(--line); direction: ltr; }
.screen-bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(154, 176, 200, .35); }
.screen-phone { inset-inline-end: 0; bottom: 0; width: 30%; border-radius: 22px; border-width: 5px; border-color: #1A2A44; }
.feed {
  position: absolute; inset-inline-start: 4%; bottom: 2%; margin: 0; padding: 0; list-style: none;
  display: grid; gap: 8px; width: min(64%, 360px);
}
.feed li {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 12px; font-size: .8125rem; line-height: 1.6;
  color: var(--mist); background: rgba(12, 26, 48, .92); border: 1px solid var(--line-strong); backdrop-filter: blur(6px);
  opacity: 0; transform: translateY(8px); animation: pop .5s ease forwards;
}
.feed li b { color: var(--moon); font-weight: 750; }
.feed li:nth-child(1) { animation-delay: .5s; }
.feed li:nth-child(2) { animation-delay: 1.3s; }
.feed li:nth-child(3) { animation-delay: 2.1s; }
.feed li:nth-child(4) { animation-delay: 2.9s; }
.feed .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--radar); box-shadow: 0 0 0 4px rgba(46, 242, 160, .15); flex: none; }
.feed li:nth-child(4) .dot { background: var(--signal); box-shadow: 0 0 0 4px rgba(56, 189, 248, .15); }
@keyframes pop { to { opacity: 1; transform: none; } }

/* Flow: a real sequence, so it is numbered */
.flow { background: var(--deep); border-block: 1px solid var(--line); }
.steps { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(var(--n, 4), 1fr); counter-reset: step; position: relative; }
.steps::before { content: ""; position: absolute; top: 19px; inset-inline: 20px; height: 2px; background: linear-gradient(to left, var(--radar), var(--signal)); opacity: .45; }
.steps li { position: relative; padding-inline-end: 24px; counter-increment: step; }
.steps li::before {
  content: counter(step, persian); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  font-weight: 850; color: var(--radar-ink); background: var(--radar); margin-bottom: 16px; position: relative;
}
.steps li:last-child::before { background: var(--signal); }
.steps p { color: var(--mist); margin-top: 6px; font-size: .9375rem; }

.works a { color: var(--moon); font-weight: 700; text-decoration: underline; text-decoration-color: rgba(46, 242, 160, .5); text-underline-offset: 5px; }
.works a:hover { color: var(--radar); }

/* Server panels: internal links to the landing pages */
.panel-links { list-style: none; margin: 28px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.panel-links a {
  display: grid; gap: 6px; height: 100%; padding: 18px; border-radius: var(--radius); text-decoration: none;
  background: var(--surface); border: 1px solid var(--line-strong); transition: border-color .15s ease;
}
.panel-links a:hover { border-color: var(--radar); }
.panel-links b { font-weight: 800; }
.panel-links span { color: var(--mist); font-size: .875rem; line-height: 1.7; }

/* Landing pages */
.crumbs { margin: 0; padding: 18px 0 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; font-size: .875rem; color: var(--mist); }
.crumbs li + li::before { content: "/"; margin-inline-end: 6px; opacity: .5; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--moon); }
.page-hero { padding-block: clamp(24px, 4vw, 48px) clamp(48px, 6vw, 80px); }
.page-hero .hero-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.page-hero h1 { font-size: clamp(1.8rem, 1.3rem + 2vw, 2.75rem); }
.page-hero .shot { box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8); }
.prose { max-width: 68ch; }
.prose p { color: var(--mist); margin-top: 14px; }
.prose h2 { margin-top: 8px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.cta-band { background: var(--deep); border-block: 1px solid var(--line); }
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.cta-band p { color: var(--mist); margin-top: 6px; }

/* Feature tabs */
.tabs { margin-top: 32px; display: grid; gap: 22px; }
.tab-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tab-list button {
  font: inherit; font-size: .9375rem; font-weight: 700; color: var(--mist); cursor: pointer;
  padding: 8px 16px; min-height: 42px; border-radius: 999px; background: transparent; border: 1px solid var(--line-strong);
}
.tab-list button:hover { color: var(--moon); }
.tab-list button[aria-selected="true"] { color: var(--radar-ink); background: var(--radar); border-color: var(--radar); }
.tab-panel { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.tab-panel[hidden] { display: none; }
.tab-text h3 { font-size: 1.375rem; }
.tab-text ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.tab-text li { position: relative; padding-inline-start: 22px; color: var(--mist); }
.tab-text li::before { content: ""; position: absolute; inset-inline-start: 0; top: .72em; width: 8px; height: 8px; border-radius: 2px; background: var(--radar); }
.shot { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-strong); background: var(--surface); }

/* Customer panel */
.customer { background: var(--deep); border-block: 1px solid var(--line); overflow: hidden; }
.customer-in { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.ticks { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-inline-start: 30px; }
.ticks li::before {
  content: ""; position: absolute; inset-inline-start: 0; top: .45em; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(46, 242, 160, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%232EF2A0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.phones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: start; }
.phone { margin: 0; border-radius: 24px; overflow: hidden; border: 5px solid #1A2A44; background: var(--surface); }
.phone:nth-child(2) { transform: translateY(36px); }

/* Hosted */
.hosted-in { display: grid; gap: 28px; }
.facts { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facts div { background: var(--night); padding: 22px; }
.facts dt { font-weight: 800; font-size: 1.0625rem; }
.facts dd { margin: 8px 0 0; color: var(--mist); font-size: .9375rem; }

/* Pricing */
.pricing { background: var(--deep); border-block: 1px solid var(--line); }
.pricing-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 18px 32px; }
.period { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--night); border: 1px solid var(--line-strong); }
.period button {
  font: inherit; font-size: .9375rem; font-weight: 750; color: var(--mist); cursor: pointer;
  min-height: 42px; padding: 6px 18px; border: 0; border-radius: 999px; background: transparent;
}
.period button span { font-size: .75rem; font-weight: 650; color: var(--radar); margin-inline-start: 4px; }
.period button[aria-pressed="true"] { color: var(--radar-ink); background: var(--radar); }
.period button[aria-pressed="true"] span { color: var(--radar-ink); }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; align-items: stretch; }
.plan { position: relative; padding: 26px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line-strong); display: flex; flex-direction: column; gap: 12px; }
.plan-main { border-color: var(--radar); box-shadow: 0 0 0 1px var(--radar) inset; }
.badge { position: absolute; top: -13px; inset-inline-start: 22px; padding: 2px 12px; border-radius: 999px; font-size: .8125rem; font-weight: 800; color: var(--radar-ink); background: var(--radar); }
.cap { color: var(--signal); font-weight: 700; font-size: .9375rem; margin-top: -6px; }
.price { color: var(--mist); }
.price b { font-size: 2rem; color: var(--moon); font-weight: 850; margin-inline-end: 4px; }
.price span { display: block; font-size: .875rem; }
.plan-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; color: var(--mist); font-size: .9375rem; }
.plan-list li { position: relative; padding-inline-start: 18px; }
.plan-list li::before { content: ""; position: absolute; inset-inline-start: 0; top: .75em; width: 7px; height: 7px; border-radius: 2px; background: var(--radar); }
.plan .btn { margin-top: auto; }
.after { margin-top: -4px; padding: 6px 12px; border-radius: 10px; font-weight: 750; font-size: .9375rem; color: var(--radar); background: rgba(46, 242, 160, .08); }
.compare { margin-top: 18px; padding: 22px 26px; border-radius: 18px; border: 1px solid var(--line-strong); background: var(--surface); overflow-x: auto; }
.compare table { width: 100%; min-width: 520px; border-collapse: collapse; margin-top: 12px; font-size: .9375rem; }
.compare th, .compare td { text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { color: var(--mist); font-weight: 700; font-size: .875rem; }
.compare thead th:last-child { color: var(--radar); }
.compare tbody th { font-weight: 700; width: 34%; }
.compare td { color: var(--mist); }
.compare td:last-child { color: var(--moon); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.extras { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.extra { padding: 22px 26px; border-radius: 18px; border: 1px dashed var(--line-strong); display: grid; gap: 8px; align-content: start; }
.extra p { color: var(--mist); font-size: .9375rem; }
.extra p b { color: var(--moon); }
.extra-offer { border-style: solid; border-color: rgba(56, 189, 248, .45); background: rgba(56, 189, 248, .05); }
.extra-offer h3 { color: var(--signal); }
.extra .extra-price { color: var(--moon); }
.fine { margin: 22px 0 0; padding-inline-start: 18px; color: var(--mist); font-size: .875rem; display: grid; gap: 4px; }

/* Demo form */
.demo-in { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.demo-copy p { color: var(--mist); margin-top: 12px; max-width: 46ch; }
.tg { display: table; margin-top: 8px; font-weight: 800; font-size: 1.125rem; color: var(--signal); text-decoration: none; }
.tg:hover { text-decoration: underline; }
.form { padding: clamp(20px, 3vw, 30px); border-radius: 18px; background: var(--surface); border: 1px solid var(--line-strong); display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-weight: 700; font-size: .9375rem; }
.field label span { color: var(--mist); font-weight: 500; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1rem; color: var(--moon); background: var(--night); width: 100%;
  border: 1px solid var(--line-strong); border-radius: 10px; padding: 10px 12px; min-height: 46px;
}
.field input::placeholder { color: rgba(154, 176, 200, .55); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--radar); box-shadow: 0 0 0 3px rgba(46, 242, 160, .18); }
.field [aria-invalid="true"] { border-color: #F87171; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.form-msg { min-height: 1.85em; font-size: .9375rem; }
.form-msg.ok { color: var(--radar); }
.form-msg.err { color: #FCA5A5; }

/* FAQ */
.faq-in { display: grid; grid-template-columns: minmax(0, .6fr) minmax(0, 1.4fr); gap: 32px; align-items: start; }
.qa { display: grid; gap: 10px; }
.qa details { border: 1px solid var(--line-strong); border-radius: 12px; background: var(--deep); }
.qa summary { cursor: pointer; list-style: none; padding: 14px 18px; font-weight: 750; display: flex; justify-content: space-between; gap: 12px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--radar); font-weight: 850; font-size: 1.25rem; line-height: 1.4; }
.qa details[open] summary::after { content: "−"; }
.qa details p { padding: 0 18px 16px; color: var(--mist); }

/* Footer */
.foot { border-top: 1px solid var(--line); padding-block: 36px; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; color: var(--mist); font-size: .9375rem; }
.foot-links { display: flex; gap: 18px; margin-inline-start: auto; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--moon); }
.foot-nav { width: 100%; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .875rem; }
.foot-nav a { text-decoration: none; }
.foot-nav a:hover { color: var(--moon); }
.copy { width: 100%; font-size: .8125rem; }

/* Below the fold: skip rendering until needed */
.features, .customer, .hosted, .pricing, .faq { content-visibility: auto; contain-intrinsic-size: auto 900px; }

/* Responsive */
@media (max-width: 960px) {
  .nav { display: none; }
  .top-in { justify-content: space-between; }
  .hero-in, .customer-in, .demo-in, .faq-in { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { max-width: 640px; width: 100%; margin-inline: auto; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .steps::before { display: none; }
  .tab-panel { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: minmax(0, 1fr); max-width: 520px; }
  .page-hero .hero-in, .two-col { grid-template-columns: minmax(0, 1fr); }
  .extras { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: .9688rem; }
  .wrap { padding-inline: 16px; }
  .tab-list { flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding-inline: 16px; scrollbar-width: none; }
  .tab-list::-webkit-scrollbar { display: none; }
  .tab-list button { flex: none; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .steps li { padding-inline-end: 0; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .compare { padding: 18px; }
  .compare table { min-width: 0; }
  .compare thead { display: none; }
  .compare tr { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .compare tr:last-child { border-bottom: 0; }
  .compare th, .compare td { padding: 0; border: 0; width: auto; }
  .compare tbody th { width: auto; }
  .compare td::before { content: attr(data-label) ": "; color: var(--mist); font-weight: 600; font-size: .8125rem; }
  .compare td:last-child::before { color: var(--radar); }
  .period { width: 100%; }
  .period button { flex: 1; padding-inline: 10px; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .phones { gap: 8px; }
  .phone { border-width: 3px; border-radius: 16px; }
  .phone:nth-child(2) { transform: translateY(20px); }
  .feed { width: 78%; }
  .feed li { font-size: .75rem; padding: 7px 10px; }
  .feed li:nth-child(n+3) { display: none; }
  .cta .btn { flex: 1 1 auto; }
  .foot-links { margin-inline-start: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sweep { animation: none; }
  .feed li { animation: none; opacity: 1; transform: none; }
}