/* ═══════════════════════════════════════════════════════
   AVOXOVA Assistant — main stylesheet
   Design: dark premium tech, Vazirmatn, violet brand
   ═══════════════════════════════════════════════════════ */
:root{
  /* ══ پالت رسمی AVOXOVA — تم تاریک (پیش‌فرض) ══ */
  --bg:#080A0E;
  --bg-2:#0C111C;
  --surface:#111626;
  --surface-2:#161D31;
  --surface-3:#1D2540;
  --border:#28304C;
  --border-soft:#1D2438;
  --ink:#EDF0F8;
  --muted:#98A1BC;
  --muted-2:#6C7590;
  --accent:#1E67E4;
  --accent-2:#5B93F0;
  --accent-soft:rgba(30,103,228,.14);
  --accent-glow:rgba(30,103,228,.35);
  --violet:#8043EB;
  --pink:#E5398C;
  --gold:#DCAF17;
  --cyan:#17B9A4;
  --cyan-2:#0E8C7C;
  --green:#23BA5B;
  --amber:#EC7924;
  --red:#E44850;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1180px;
  --shadow:0 8px 40px rgba(0,0,0,.45);
  --shadow-glow:0 0 60px rgba(30,103,228,.22);
  --header-bg:rgba(8,10,14,.82);
  --shadow-scrolled:0 6px 30px rgba(0,0,0,.5);
  --shadow-card:0 10px 34px rgba(0,0,0,.4);
  --shadow-modal:0 20px 70px rgba(0,0,0,.6);
  --pink-2:#FF6EB0;
  --bar-slow-1:#49506B;
  --bar-slow-2:#6B7490;
  color-scheme:dark;
}
/* ══ تم روشن — خنثی‌های روشن با لهجه‌های سازمانی ══ */
[data-theme='light']{
  --bg:#F5F7FB;
  --bg-2:#ECEFF7;
  --surface:#FFFFFF;
  --surface-2:#F0F3FA;
  --surface-3:#E5EAF5;
  --border:#D6DEEE;
  --border-soft:#E4E9F4;
  --ink:#10152A;
  --muted:#566084;
  --muted-2:#8A93AC;
  --accent:#1E67E4;
  --accent-2:#1A5AD1;
  --accent-soft:rgba(30,103,228,.10);
  --accent-glow:rgba(30,103,228,.20);
  --violet:#6B32D6;
  --pink:#C92E74;
  --gold:#B8900F;
  --cyan:#0F9E8C;
  --cyan-2:#0B7D70;
  --green:#1A9E4D;
  --amber:#C06512;
  --red:#D33A42;
  --shadow:0 8px 30px rgba(17,22,38,.10);
  --shadow-glow:0 0 40px rgba(30,103,228,.14);
  --header-bg:rgba(245,247,251,.86);
  --shadow-scrolled:0 6px 24px rgba(17,22,38,.08);
  --shadow-card:0 10px 30px rgba(17,22,38,.08);
  --shadow-modal:0 20px 60px rgba(17,22,38,.18);
  --bar-slow-1:#C6CDDD;
  --bar-slow-2:#A9B2C8;
  --pink-2:#D63A86;
  color-scheme:light;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  font-family:'Vazirmatn',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--ink);
  transition:background .35s ease,color .35s ease;
  line-height:1.9;font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}

/* ── scroll progress ── */
.scroll-progress{
  position:fixed;top:0;right:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--cyan),var(--pink));
  z-index:200;transition:width .1s linear;
}

/* ── top bar ── */
.topbar{background:var(--bg-2);border-bottom:1px solid var(--border-soft);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px;gap:16px}
.topbar-contact{display:flex;gap:18px;align-items:center}
.topbar-item{display:inline-flex;align-items:center;gap:7px;color:var(--muted);transition:color .2s}
.topbar-item:hover{color:var(--accent-2)}
.topbar-status{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}

/* status dots */
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--muted-2);display:inline-block;flex-shrink:0}
.status-dot.on{background:var(--green);box-shadow:0 0 8px rgba(35,186,91,.7);animation:pulse 2s infinite}
.status-dot.off{background:var(--muted-2)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ── header ── */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--header-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:var(--shadow-scrolled)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:22px;color:#fff;
  box-shadow:0 4px 20px var(--accent-glow);
}
.logo-text{display:flex;flex-direction:column;line-height:1.3}
.logo-text strong{font-size:18px;font-weight:800;letter-spacing:.4px}
.logo-text small{font-size:11px;color:var(--muted);font-weight:400}
.main-nav{display:flex;gap:2px;margin-inline-start:auto;flex-wrap:nowrap}
.main-nav a{
  white-space:nowrap;
  padding:8px 11px;border-radius:8px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;position:relative;
}
.main-nav a:hover{color:var(--ink);background:var(--surface-2)}
.main-nav a.active{color:var(--accent-2);background:var(--accent-soft)}
.header-cta{margin-inline-start:8px;flex-shrink:0}
.main-nav a.nav-external{display:inline-flex;align-items:center;gap:4px;color:var(--accent-2);border:1px solid var(--accent-soft);margin-inline-start:4px;white-space:nowrap}
.main-nav a.nav-external:hover{background:var(--accent-soft);color:var(--ink)}
.mobile-menu a.nav-external{display:flex;align-items:center;gap:6px;color:var(--accent-2);font-weight:600}
.topbar-main{color:var(--accent-2)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;margin-inline-start:auto}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;flex-direction:column;padding:8px 22px 16px;
  border-top:1px solid var(--border-soft);background:var(--header-bg);
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 4px;border-bottom:1px solid var(--border-soft);font-size:15px;color:var(--muted)}
.mobile-menu a:last-child{border-bottom:none}

/* ── buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:12px;font-weight:700;font-size:15px;
  transition:transform .18s cubic-bezier(.34,1.56,.64,1),box-shadow .25s,opacity .2s,background .2s;
  white-space:nowrap;line-height:1.4;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;
  box-shadow:0 4px 22px var(--accent-glow),0 0 26px rgba(30,103,228,.35);
}
.btn-primary:hover{box-shadow:0 8px 34px var(--accent-glow)}
.btn-ghost{border:1px solid var(--border);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn-block{width:100%}

/* ── hero ── */
.hero{
  position:relative;padding:70px 0 90px;overflow:hidden;
  background:
    radial-gradient(ellipse 55% 45% at 82% 0%,rgba(30,103,228,.30),transparent),
    radial-gradient(ellipse 44% 40% at 8% 18%,rgba(23,185,164,.22),transparent),
    radial-gradient(ellipse 40% 36% at 70% 85%,rgba(229,57,140,.18),transparent),
    radial-gradient(ellipse 32% 32% at 18% 78%,rgba(220,175,23,.15),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--accent-soft);border:1px solid rgba(30,103,228,.3);
  color:var(--accent-2);font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);animation:pulse 2s infinite}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.45;font-weight:900;
  margin-bottom:20px;letter-spacing:-.3px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,#FFD166,#FF6EB0,#9D7BFF,#2FD9C8,#FFD166);
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 14px rgba(255,110,176,.5)) drop-shadow(0 0 34px rgba(47,217,200,.35));
  animation:heroShift 6s linear infinite;
}
@keyframes heroShift{to{background-position:200% center}}
@media (prefers-reduced-motion:reduce){.hero h1 em{animation:none}}
.hero .lead{font-size:17.5px;color:var(--muted);max-width:56ch;margin-bottom:30px;line-height:2}
.hero .lead strong{color:var(--ink)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-trust{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.trust-item{display:flex;flex-direction:column;line-height:1.5}
.trust-item strong{font-size:21px;font-weight:800;color:var(--ink)}
.trust-item span{font-size:12.5px;color:var(--muted)}
.trust-divider{width:1px;height:34px;background:var(--border)}

/* hero chat window */
.hero-visual{position:relative}
.hero-glow{
  position:absolute;inset:-40px;z-index:-1;border-radius:40px;
  background:radial-gradient(circle at 50% 50%,rgba(30,103,228,.22),transparent 70%);
  filter:blur(30px);
}
.chat-window{
  border:1px solid transparent;border-radius:20px;
  background:
    linear-gradient(var(--surface),var(--surface)) padding-box,
    linear-gradient(135deg,rgba(23,185,164,.8),rgba(30,103,228,.65),rgba(229,57,140,.75)) border-box;
  overflow:hidden;box-shadow:var(--shadow),0 0 46px rgba(30,103,228,.18);
  animation:float 7s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (prefers-reduced-motion:reduce){.chat-window{animation:none}}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:16px 18px;
  border-bottom:1px solid var(--border);background:var(--surface-2);
}
.chat-avatar{
  width:40px;height:40px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;
}
.chat-head strong{display:block;font-size:14.5px}
.chat-online{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.chat-body{padding:18px;display:flex;flex-direction:column;gap:12px;min-height:340px;max-height:400px;overflow:hidden}
.cb-bubble{
  max-width:88%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.85;
  animation:bubbleIn .4s cubic-bezier(.34,1.56,.64,1);word-break:break-word;
}
@keyframes bubbleIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}
.cb-bubble.user{align-self:flex-start;background:var(--surface-3);border:1px solid var(--border)}
.cb-bubble.bot{align-self:flex-end;background:var(--accent-soft);border:1px solid rgba(30,103,228,.32)}
.cb-typing{align-self:flex-end;display:flex;gap:5px;padding:14px 18px;background:var(--accent-soft);border:1px solid rgba(30,103,228,.32);border-radius:14px}
.cb-typing i{width:7px;height:7px;border-radius:50%;background:var(--accent-2);animation:tdot 1.2s infinite}
.cb-typing i:nth-child(2){animation-delay:.2s}
.cb-typing i:nth-child(3){animation-delay:.4s}
@keyframes tdot{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

/* ── sections ── */
.section{padding:90px 0;position:relative}
.section-alt{background:var(--bg-2);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent-2);
  background:var(--accent-soft);border:1px solid rgba(30,103,228,.3);
  padding:5px 16px;border-radius:999px;margin-bottom:16px;letter-spacing:.3px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:900;line-height:1.5;margin-bottom:14px}
.section-head h2 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--accent-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.section-head p{color:var(--muted);font-size:16px;line-height:2}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ── demo tabs & stages ── */
.demo-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.demo-tab{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:600;
  background:var(--surface);border:1px solid var(--border);color:var(--muted);
  transition:all .25s;
}
.demo-tab:hover{border-color:var(--accent);color:var(--ink)}
.demo-tab.active{background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;border-color:transparent;box-shadow:0 4px 20px var(--accent-glow)}
.demo-stage{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow);
}
.stage-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--border);background:var(--surface-2);
}
.stage-title{font-size:14px;font-weight:600;color:var(--muted)}
.demo-canvas{padding:28px 24px;min-height:360px}

/* email demo */
.email-demo{display:flex;flex-direction:column;gap:6px;align-items:stretch;max-width:640px;margin:0 auto}
.ed-label{font-size:13px;font-weight:700;color:var(--accent-2);margin-bottom:10px;opacity:0;transition:opacity .4s}
.ed-label.show{opacity:1}
.ed-card{
  background:var(--surface-2);border:1px solid var(--border);border-radius:14px;
  padding:16px 18px;position:relative;overflow:hidden;
  opacity:0;transform:translateY(16px);transition:opacity .5s,transform .5s,box-shadow .5s;
}
.ed-card.show{opacity:1;transform:none}
.ed-row{display:flex;gap:10px;font-size:14px;margin-bottom:7px;color:var(--muted)}
.ed-row strong{color:var(--ink);font-weight:600}
.ed-text{font-style:italic;padding-top:6px;border-top:1px dashed var(--border);margin-top:4px}
.ed-arrow{text-align:center;color:var(--accent);font-size:20px;opacity:0;transition:opacity .4s,transform .4s;transform:translateY(-8px)}
.ed-arrow.show{opacity:1;transform:none}
.ai-card{border-color:rgba(30,103,228,.4);background:linear-gradient(135deg,rgba(30,103,228,.08),var(--surface-2))}
.ai-scan{
  position:absolute;top:0;right:0;left:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent-2),transparent);
  opacity:0;
}
.ai-scan.run{animation:scan 1.4s ease-in-out 2}
@keyframes scan{0%{opacity:1;transform:translateX(-100%)}100%{opacity:1;transform:translateX(100%)}}
.ed-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip-item{
  background:var(--accent-soft);border:1px solid rgba(30,103,228,.35);
  color:var(--accent-2);font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  opacity:0;transform:scale(.8);transition:opacity .35s,transform .35s;
}
.chip-item.show{opacity:1;transform:none}
.out-card{border-color:rgba(35,186,91,.35)}
.ed-reply-text{font-size:14px;line-height:1.95;color:var(--ink);min-height:20px;white-space:pre-wrap}
.ed-reply-text::after{content:'▌';color:var(--accent-2);animation:blink .8s infinite}
.ed-reply-text.done::after{content:''}
@keyframes blink{50%{opacity:0}}
.ed-sent{
  display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:12px;
  border-top:1px dashed var(--border);
  color:var(--green);font-size:13px;font-weight:700;
  opacity:0;transform:translateY(8px);transition:opacity .4s,transform .4s;
}
.ed-sent.show{opacity:1;transform:none}

/* website demo */
.web-demo{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.wd-request{opacity:0;transform:translateY(12px);transition:opacity .45s,transform .45s}
.wd-request.show{opacity:1;transform:none}
.wd-bubble{
  display:inline-block;background:var(--surface-3);border:1px solid var(--border);
  padding:12px 18px;border-radius:14px 14px 4px 14px;font-size:14.5px;
}
.wd-steps{display:flex;flex-direction:column;gap:10px}
.wd-step{
  display:flex;align-items:center;gap:12px;
  background:var(--surface-2);border:1px solid var(--border);border-radius:12px;
  padding:12px 16px;font-size:14px;
  opacity:.25;transform:translateX(14px);transition:opacity .4s,transform .4s,border-color .4s;
}
.wd-step.done{opacity:1;transform:none;border-color:rgba(35,186,91,.4)}
.wd-num{
  width:28px;height:28px;border-radius:8px;flex-shrink:0;
  background:var(--accent-soft);color:var(--accent-2);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;
}
.wd-check{margin-inline-start:auto;color:var(--green);font-weight:800;opacity:0;transition:opacity .3s}
.wd-step.done .wd-check{opacity:1}
.wd-preview{
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
  background:var(--surface-2);
  opacity:0;transform:translateY(18px) scale(.97);transition:opacity .6s,transform .6s;
}
.wd-preview.show{opacity:1;transform:none}
.wd-browser{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--surface-3);border-bottom:1px solid var(--border)}
.wd-dots{display:flex;gap:6px}
.wd-dots i{width:10px;height:10px;border-radius:50%;background:var(--border)}
.wd-url{
  flex:1;background:var(--bg);border-radius:7px;padding:5px 12px;
  font-size:12px;color:var(--muted);text-align:center;
}
.wd-page{padding:20px;display:flex;flex-direction:column;gap:14px}
.wd-hero-block{
  height:72px;border-radius:10px;
  background:linear-gradient(135deg,rgba(30,103,228,.45),rgba(23,185,164,.25));
}
.wd-menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.wd-tile{height:46px;border-radius:8px;background:var(--surface-3);border:1px solid var(--border)}
.wd-line{height:9px;border-radius:5px;background:var(--surface-3)}
.wd-line.w70{width:70%}
.wd-line.w50{width:50%}
.wd-done{
  display:flex;align-items:center;gap:9px;
  color:var(--green);font-size:13.5px;font-weight:700;
  opacity:0;transform:translateY(8px);transition:opacity .45s,transform .45s;
}
.wd-done.show{opacity:1;transform:none}

/* speed demo */
.speed-demo{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:26px;justify-content:center;min-height:280px}
.sp-row{display:flex;flex-direction:column;gap:9px}
.sp-row.highlight .sp-label{color:var(--accent-2)}
.sp-label{font-size:14.5px;font-weight:700}
.sp-bar-track{height:26px;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;overflow:hidden}
.sp-bar{height:100%;width:0%;border-radius:999px;transition:width .3s linear}
.sp-bar.slow{background:linear-gradient(90deg,var(--bar-slow-1),var(--bar-slow-2))}
.sp-bar.fast{background:linear-gradient(90deg,var(--accent),var(--cyan));box-shadow:0 0 18px var(--accent-glow)}
.sp-time{font-size:14px;font-weight:800;color:var(--muted)}
.sp-time.accent{color:var(--cyan)}
.sp-note{font-size:12px;color:var(--muted-2);text-align:center}

/* interactive demo */
.inter-demo{display:flex;flex-direction:column;gap:20px}
.inter-picker{display:flex;gap:9px;flex-wrap:wrap;justify-content:center}
.inter-btn{
  padding:9px 17px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--surface-2);border:1px solid var(--border);color:var(--muted);
  transition:all .22s;
}
.inter-btn:hover{border-color:var(--accent);color:var(--ink)}
.inter-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2)}
.inter-window{
  background:var(--bg-2);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  max-width:680px;margin:0 auto;width:100%;
}
.iw-head{
  display:flex;align-items:center;gap:9px;padding:12px 16px;
  border-bottom:1px solid var(--border);background:var(--surface-2);
  font-size:13.5px;font-weight:600;
}
.iw-label{font-size:11.5px;color:var(--cyan);background:rgba(23,185,164,.1);border:1px solid rgba(23,185,164,.3);padding:2px 9px;border-radius:999px;font-weight:600}
.iw-body{padding:16px;display:flex;flex-direction:column;gap:11px;min-height:230px;max-height:320px;overflow-y:auto}
.iw-body::-webkit-scrollbar{width:6px}
.iw-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.iw-foot{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:center}
.iw-steps{display:flex;flex-direction:column;gap:7px;padding:4px 0}
.iw-step{
  display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);
  opacity:0;transform:translateX(10px);transition:opacity .35s,transform .35s;
}
.iw-step.show{opacity:1;transform:none}
.iw-step .ok{color:var(--green);font-weight:800}

/* ── about ── */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.about-lead{font-size:18px;line-height:2.1;margin-bottom:16px}
.about-main>p{color:var(--muted);margin-bottom:24px}
.about-points{display:flex;flex-direction:column;gap:14px}
.ap-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;
  transition:border-color .25s,transform .25s;
}
.ap-item:hover{border-color:rgba(30,103,228,.45);transform:translateX(-4px)}
.ap-icon{font-size:22px;flex-shrink:0;margin-top:2px}
.ap-item div{font-size:14.5px;color:var(--muted)}
.ap-item strong{color:var(--ink)}
.holding-card{
  background:linear-gradient(160deg,rgba(30,103,228,.1),var(--surface));
  border:1px solid rgba(30,103,228,.35);border-radius:20px;padding:30px 28px;
  position:sticky;top:120px;
}
.hc-label{font-size:12.5px;font-weight:700;color:var(--accent-2);margin-bottom:8px}
.holding-card h3{font-size:24px;font-weight:900;margin-bottom:12px}
.holding-card>p{color:var(--muted);font-size:14.5px;margin-bottom:20px;line-height:2}
.hc-fields{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.hc-fields span{
  font-size:12.5px;font-weight:600;color:var(--ink);
  background:var(--surface-2);border:1px solid var(--border);
  padding:5px 12px;border-radius:999px;
}
.hc-link{color:var(--accent-2);font-weight:700;font-size:14px}
.hc-link:hover{text-decoration:underline}

/* ── features ── */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
.cap-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 22px;position:relative;overflow:hidden;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.cap-card::before{
  content:'';position:absolute;top:0;right:0;left:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--cyan));
  transform:scaleX(0);transform-origin:right;transition:transform .4s;
}
.cap-card:hover{border-color:rgba(30,103,228,.45);transform:translateY(-5px);box-shadow:var(--shadow-card)}
.cap-card:hover::before{transform:scaleX(1)}
.cap-num{font-size:13px;font-weight:800;color:var(--accent-2);margin-bottom:10px;letter-spacing:1px}
.cap-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.cap-card>p{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.cap-ex{
  font-size:12.5px;background:var(--surface-2);border:1px solid var(--border-soft);
  border-radius:9px;padding:9px 12px;color:var(--muted);line-height:1.85;
}
.cap-ex b{color:var(--cyan);font-weight:700}
.honest-box{
  border:1px dashed var(--border);border-radius:var(--radius);
  padding:28px 30px;background:transparent;
}
.honest-box h3{font-size:17px;margin-bottom:14px}
.honest-box ul{list-style:none}
.honest-box li{
  padding:8px 30px 8px 0;position:relative;color:var(--muted);font-size:14px;line-height:1.95;
}
.honest-box li::before{content:'—';position:absolute;right:0;top:8px;color:var(--accent);font-weight:800}

/* ── use cases ── */
.ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ind-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;transition:border-color .3s,transform .3s;
}
.ind-card:hover{border-color:rgba(30,103,228,.45);transform:translateY(-3px)}
.ind-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.ind-card p{font-size:13.5px;color:var(--muted);margin:4px 0}
.ind-card b{color:var(--ink);font-weight:700}

/* ── pricing ── */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:22px}
.price-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:30px 26px;display:flex;flex-direction:column;position:relative;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card)}
.price-card.featured{
  border-color:var(--accent);
  background:linear-gradient(170deg,rgba(30,103,228,.1),var(--surface) 45%);
  box-shadow:0 0 50px rgba(220,175,23,.20),0 0 0 1px rgba(220,175,23,.35);
}
.badge{
  display:inline-block;font-size:12px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  border-radius:999px;padding:4px 14px;margin-bottom:14px;align-self:flex-start;
}
.tier{font-size:14.5px;font-weight:700;color:var(--muted);margin-bottom:8px}
.price{font-size:32px;font-weight:900;margin-bottom:18px}
.price small{font-size:13.5px;font-weight:500;color:var(--muted)}
.price-card ul{list-style:none;margin-bottom:24px;flex:1}
.price-card li{
  padding:6px 26px 6px 0;position:relative;font-size:14px;color:var(--muted);
}
.price-card li::before{
  content:'✓';position:absolute;right:0;color:var(--accent-2);font-weight:800;
}
.price-note{text-align:center;font-size:13.5px;color:var(--muted)}

/* ── blog ── */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.blog-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 26px 22px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .3s,transform .3s,box-shadow .3s;position:relative;overflow:hidden;
}
.blog-card::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(30,103,228,.08),transparent 60%);
  opacity:0;transition:opacity .4s;pointer-events:none;
}
.blog-card:hover{border-color:rgba(30,103,228,.45);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.blog-card:hover::after{opacity:1}
.blog-tag{
  font-size:12px;font-weight:700;color:var(--accent-2);
  background:var(--accent-soft);border:1px solid rgba(30,103,228,.3);
  padding:3px 12px;border-radius:999px;align-self:flex-start;
}
.blog-card h3{font-size:17.5px;font-weight:800;line-height:1.7}
.blog-card p{font-size:13.5px;color:var(--muted);flex:1}
.blog-more{color:var(--accent-2);font-size:13.5px;font-weight:700}

/* ── reviews ── */
.reviews-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
.reviews-summary{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 24px;margin-bottom:18px;
}
.rs-score{font-size:40px;font-weight:900;color:var(--accent-2);line-height:1}
.rs-meta{display:flex;flex-direction:column;gap:4px}
.stars{color:var(--amber);font-size:18px;letter-spacing:3px}
.rs-meta span{font-size:13px;color:var(--muted)}
.reviews-list{display:flex;flex-direction:column;gap:14px}
.reviews-empty{
  text-align:center;padding:44px 30px;
  border:1px dashed var(--border);border-radius:var(--radius);background:var(--surface);
}
.re-icon{font-size:40px;margin-bottom:14px}
.reviews-empty h3{font-size:18px;font-weight:800;margin-bottom:10px}
.reviews-empty p{font-size:13.5px;color:var(--muted);max-width:52ch;margin:0 auto;line-height:2}
.review-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 22px;animation:bubbleIn .45s cubic-bezier(.34,1.56,.64,1);
}
.rc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.rc-name{font-weight:800;font-size:15px}
.rc-role{font-size:12px;color:var(--muted);font-weight:400;display:block}
.rc-stars{color:var(--amber);font-size:14px;letter-spacing:2px}
.rc-text{font-size:14px;color:var(--muted);line-height:2}
.star-picker{display:flex;gap:6px}
.star-picker button{
  font-size:26px;color:var(--border);transition:color .15s,transform .15s;line-height:1;
}
.star-picker button:hover{transform:scale(1.2)}
.star-picker button.on{color:var(--amber)}

/* ── FAQ ── */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-cat{margin:34px 0 14px}
.faq-cat:first-child{margin-top:0}
.faq-cat h3{
  font-size:15px;font-weight:800;color:var(--accent-2);
  display:flex;align-items:center;gap:10px;
}
.faq-cat h3::after{content:'';flex:1;height:1px;background:var(--border)}
.faq-item{
  border:1px solid var(--border);border-radius:14px;background:var(--surface);
  margin-bottom:10px;overflow:hidden;transition:border-color .25s;
}
.faq-item:hover{border-color:rgba(30,103,228,.35)}
.faq-item.open{border-color:rgba(30,103,228,.5)}
.faq-q{
  width:100%;text-align:right;padding:16px 20px;font-size:15px;font-weight:700;
  display:flex;justify-content:space-between;gap:14px;align-items:center;line-height:1.8;
}
.faq-q .sign{
  color:var(--accent-2);font-size:22px;font-weight:400;flex-shrink:0;
  transition:transform .3s;line-height:1;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1)}
.faq-a>div{padding:0 20px 18px;color:var(--muted);font-size:14px;line-height:2.1}

/* ── forms ── */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:30px 28px;scroll-margin-top:120px;
}
.form-card.alt{border-color:rgba(30,103,228,.4);background:linear-gradient(170deg,rgba(30,103,228,.07),var(--surface) 40%)}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px}
.form-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.form-row{margin-bottom:16px}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:11px;
  color:var(--ink);padding:12px 14px;font-size:14.5px;
  transition:border-color .2s,box-shadow .2s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.form-row textarea{resize:vertical;min-height:80px}
.form-row select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239498B0' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 14px center}
.form-msg{margin-top:14px;font-size:13.5px;font-weight:600;display:none}
.form-msg.ok{display:block;color:var(--green)}
.form-msg.err{display:block;color:var(--red)}
.form-msg.loading{display:block;color:var(--muted)}
.field-error{display:none;color:var(--red);font-size:12.5px;font-weight:600;margin-top:6px;line-height:1.7}
.field-error.show{display:block}
.form-row input.invalid,.form-row select.invalid,.form-row textarea.invalid{border-color:var(--red)!important;box-shadow:0 0 0 3px rgba(228,72,80,.12)}

/* ── contact ── */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.contact-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 22px;text-align:center;transition:border-color .3s,transform .3s;
  display:flex;flex-direction:column;gap:6px;align-items:center;
}
.contact-card:hover{border-color:rgba(30,103,228,.45);transform:translateY(-4px)}
.cc-icon{font-size:28px;margin-bottom:4px}
.contact-card h3{font-size:16px;font-weight:800}
.contact-card p{font-size:13px;color:var(--muted)}
.cc-value{font-size:14.5px;font-weight:700;color:var(--accent-2)}

/* ── footer ── */
.site-footer{border-top:1px solid var(--border);padding:56px 0 0;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand p{color:var(--muted);font-size:13.5px;margin:16px 0;line-height:2;max-width:36ch}
.footer-contact{display:flex;flex-direction:column;gap:8px}
.footer-contact a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-contact a:hover{color:var(--accent-2)}
.footer-col h4{font-size:14.5px;font-weight:800;margin-bottom:14px}
.footer-col a{display:block;color:var(--muted);font-size:13.5px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent-2)}
.footer-bottom{
  border-top:1px solid var(--border-soft);padding:18px 22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}

/* ── support widget ── */
.support-wrap{position:fixed;bottom:22px;left:22px;z-index:150;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.support-fab{
  width:60px;height:60px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--pink));color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 30px var(--accent-glow),0 0 26px rgba(229,57,140,.35);
  transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .25s;
  position:relative;
}
.support-fab:hover{transform:scale(1.08);box-shadow:0 12px 42px var(--accent-glow)}
.support-fab .fab-close{display:none}
.support-wrap.open .support-fab .fab-chat{display:none}
.support-wrap.open .support-fab .fab-close{display:block}
.fab-badge{
  position:absolute;top:-3px;left:-3px;min-width:22px;height:22px;border-radius:11px;
  background:var(--red);color:#fff;font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;padding:0 5px;
  border:2px solid var(--bg);
  animation:bubbleIn .35s cubic-bezier(.34,1.56,.64,1);
}
.support-panel[hidden]{display:none}
.support-panel{
  width:min(360px,calc(100vw - 44px));height:min(470px,calc(100vh - 160px));
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:var(--shadow-modal);
  animation:panelIn .35s cubic-bezier(.34,1.56,.64,1);
}
@media (max-height:680px){
  .support-panel{height:min(390px,calc(100vh - 140px))}
  .chat-body{min-height:220px}
}
@keyframes panelIn{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:none}}
.sp-head{
  display:flex;align-items:center;gap:12px;padding:14px 16px;
  background:linear-gradient(135deg,rgba(30,103,228,.18),var(--surface-2));
  border-bottom:1px solid var(--border);
}
.sp-avatar{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;font-size:18px;
}
.sp-id{flex:1;line-height:1.5}
.sp-id strong{display:block;font-size:14.5px}
.sp-status{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}
.sp-close{
  width:34px;height:34px;border-radius:9px;font-size:20px;color:var(--muted);
  display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.sp-close:hover{background:var(--surface-3);color:var(--ink)}
.sp-messages{
  flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;
}
.sp-messages::-webkit-scrollbar{width:6px}
.sp-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.sp-msg{
  max-width:86%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.85;
  animation:bubbleIn .35s cubic-bezier(.34,1.56,.64,1);word-break:break-word;white-space:pre-wrap;
  position:relative;
}
.sp-msg.user{align-self:flex-start;background:var(--surface-3);border:1px solid var(--border);border-bottom-right-radius:4px}
.sp-msg.bot,.sp-msg.admin{align-self:flex-end;background:var(--accent-soft);border:1px solid rgba(30,103,228,.32);border-bottom-left-radius:4px}
.sp-msg .auto-tag{display:block;font-size:10.5px;color:var(--cyan);margin-bottom:4px;font-weight:600}
.sp-msg .msg-state{
  display:flex;align-items:center;justify-content:flex-end;gap:4px;
  font-size:10.5px;color:var(--muted-2);margin-top:5px;
}
.sp-msg .msg-state.sent-ok{color:var(--green)}
.sp-welcome{
  text-align:center;padding:20px 16px;color:var(--muted);font-size:13px;line-height:2;
}
.sp-welcome strong{color:var(--ink);display:block;margin-bottom:4px;font-size:14px}
.sp-typing[hidden]{display:none}
.sp-typing{
  display:flex;align-items:center;gap:9px;padding:8px 18px;
  font-size:12px;color:var(--muted);
}
.sp-typing-dots{display:flex;gap:4px}
.sp-typing-dots i{width:6px;height:6px;border-radius:50%;background:var(--accent-2);animation:tdot 1.2s infinite}
.sp-typing-dots i:nth-child(2){animation-delay:.2s}
.sp-typing-dots i:nth-child(3){animation-delay:.4s}
.sp-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border);background:var(--surface-2)}
.sp-input input,.sp-input textarea{
  flex:1;background:var(--surface);border:1px solid var(--border);border-radius:11px;
  color:var(--ink);padding:11px 14px;font-size:13.5px;line-height:1.7;
}
.sp-input textarea{resize:none;max-height:110px;overflow-y:auto}
.sp-input input:focus,.sp-input textarea:focus{outline:none;border-color:var(--accent)}
.sp-send{
  width:44px;height:44px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:transform .18s,box-shadow .2s;
}
.sp-send:hover{transform:scale(1.06);box-shadow:0 4px 18px var(--accent-glow)}
.sp-input #spName{width:100%;margin-bottom:8px}
.sp-input.col{flex-wrap:wrap}

/* ── responsive ── */
@media (max-width:1240px){
  #mainNav{display:none}
  #siteHeader .hamburger{display:flex}
  #siteHeader .header-cta{display:none}
}
@media (max-width:1080px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-cta{display:none}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:460px;margin-inline:auto}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:44px 0 64px}
  .about-grid{grid-template-columns:1fr}
  .holding-card{position:static}
  .reviews-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .ind-grid{grid-template-columns:1fr}
  .topbar-contact .topbar-item:nth-child(2){display:none}
}
@media (max-width:600px){
  .topbar-main{display:none}
  .cap-grid{grid-template-columns:1fr}
  .form-row.two{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-trust{gap:14px}
  .trust-divider{display:none}
  .section{padding:64px 0}
  .demo-canvas{padding:20px 14px}
  .support-wrap{bottom:14px;left:14px}
  .support-fab{width:54px;height:54px}
  .topbar-status{display:none}
}

/* ── learning section ── */
.learn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.learn-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;position:relative;overflow:hidden;transition:border-color .25s,transform .25s,box-shadow .25s}
.learn-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--accent),var(--cyan))}
.learn-card:hover{border-color:rgba(30,103,228,.45);transform:translateY(-5px);box-shadow:var(--shadow-card)}
.learn-ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:var(--accent-soft);margin-bottom:14px}
.learn-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.learn-card>p{color:var(--muted);font-size:14px;line-height:2;margin-bottom:12px}
.learn-note{text-align:center;color:var(--muted);font-size:14px;line-height:2;max-width:820px;margin:0 auto;padding:14px 18px;border:1px dashed var(--border);border-radius:var(--radius-sm)}
@media (max-width:1080px){.learn-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.learn-grid{grid-template-columns:1fr}}
/* ── theme toggle (light/dark) ── */
.theme-toggle{
  position:fixed;bottom:22px;right:22px;z-index:300;
  width:50px;height:50px;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  color:var(--ink);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-card),0 0 20px rgba(30,103,228,.28);cursor:pointer;
  transition:transform .2s,border-color .3s,background .3s,color .3s;
}
.theme-toggle:hover{transform:scale(1.08);border-color:var(--accent)}
.theme-toggle svg{display:block}
.theme-toggle .ic-sun{color:var(--gold);filter:drop-shadow(0 0 7px rgba(220,175,23,.6))}
.theme-toggle .ic-moon{display:none;color:var(--accent);filter:drop-shadow(0 0 7px rgba(30,103,228,.5))}
[data-theme='light'] .theme-toggle .ic-sun{display:none}
[data-theme='light'] .theme-toggle .ic-moon{display:block}
@media (max-width:640px){.theme-toggle{bottom:16px;right:16px;width:46px;height:46px}}
/* ── هویت رنگی هر بخش: چند رنگ سازمانی در کل سایت ── */
.section{--sec:#1E67E4;--sec-2:#8043EB;--sec-rgb:30,103,228}
#demos{--sec:#17B9A4;--sec-2:#2FD9C8;--sec-rgb:23,185,164}
#about{--sec:#1E67E4;--sec-2:#8043EB;--sec-rgb:30,103,228}
#features{--sec:#E5398C;--sec-2:#8043EB;--sec-rgb:229,57,140}
#learning{--sec:#DCAF17;--sec-2:#EC7924;--sec-rgb:220,175,23}
#usecases{--sec:#EC7924;--sec-2:#E5398C;--sec-rgb:236,121,36}
#pricing{--sec:#8043EB;--sec-2:#1E67E4;--sec-rgb:128,67,235}
#blog{--sec:#17B9A4;--sec-2:#1E67E4;--sec-rgb:23,185,164}
#reviews{--sec:#DCAF17;--sec-2:#E5398C;--sec-rgb:220,175,23}
#faq{--sec:#1E67E4;--sec-2:#17B9A4;--sec-rgb:30,103,228}
#demo{--sec:#E5398C;--sec-2:#8043EB;--sec-rgb:229,57,140}
#contact{--sec:#17B9A4;--sec-2:#23BA5B;--sec-rgb:23,185,164}
.section{background:radial-gradient(ellipse 50% 42% at 90% 0%,rgba(var(--sec-rgb),.10),transparent),radial-gradient(ellipse 40% 36% at 4% 100%,rgba(var(--sec-rgb),.07),transparent)}
.section-alt{background:radial-gradient(ellipse 55% 48% at 88% 0%,rgba(var(--sec-rgb),.18),transparent),radial-gradient(ellipse 45% 40% at 5% 100%,rgba(var(--sec-rgb),.12),transparent),var(--bg-2);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.kicker{color:var(--sec);background:rgba(var(--sec-rgb),.18);border-color:rgba(var(--sec-rgb),.55);box-shadow:0 0 20px rgba(var(--sec-rgb),.30)}
.section-head h2 em{background:linear-gradient(90deg,var(--sec),var(--sec-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
/* هاور نئونی رنگی — کارت‌ها و آیتم‌های تعاملی هر بخش با رنگ خودشان می‌درخشند */
.cap-card:hover,.ind-card:hover,.price-card:hover,.blog-card:hover,.contact-card:hover,.learn-card:hover,.ap-item:hover,.faq-item:hover,.out-card:hover{
  border-color:rgba(var(--sec-rgb),.55);
  box-shadow:0 12px 36px rgba(var(--sec-rgb),.16),0 0 0 1px rgba(var(--sec-rgb),.30),0 0 28px rgba(var(--sec-rgb),.12);
}
/* ── Back to Top ── */
.back-top{
  position:fixed;bottom:84px;right:22px;z-index:299;
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--cyan));color:#fff;
  border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 24px rgba(30,103,228,.40),0 0 22px rgba(23,185,164,.30);
  opacity:0;visibility:hidden;transform:translateY(16px) scale(.9);
  transition:opacity .3s,transform .3s,visibility .3s,box-shadow .3s;
  cursor:pointer;
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(30,103,228,.55),0 0 34px rgba(23,185,164,.45)}
@media (max-width:640px){.back-top{bottom:76px;right:16px;width:42px;height:42px}}

/* ── چندرنگی عمیق: نوارهای گرادیانی، اعداد رنگی، درخشش دکمه ── */
.site-header::after{content:'';position:absolute;right:0;left:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--pink),var(--violet),var(--cyan),var(--accent));opacity:.9}
.site-footer{position:relative}
.site-footer::before{content:'';position:absolute;top:0;right:0;left:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink),var(--gold));opacity:.85}
.hero .trust-item:nth-child(1) strong{color:var(--cyan);text-shadow:0 0 18px rgba(23,185,164,.5)}
.hero .trust-item:nth-child(3) strong{color:var(--gold);text-shadow:0 0 18px rgba(220,175,23,.5)}
.hero .trust-item:nth-child(5) strong{color:var(--pink-2);text-shadow:0 0 18px rgba(255,110,176,.5)}
#demos .demo-tab.active{background:linear-gradient(135deg,#17B9A4,#2FD9C8);color:#04211D;border-color:transparent;box-shadow:0 4px 20px rgba(23,185,164,.40)}
.form-card{border:1px solid transparent;
  background:linear-gradient(var(--surface),var(--surface)) padding-box,
    linear-gradient(135deg,rgba(229,57,140,.6),rgba(30,103,228,.55)) border-box}
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:'';position:absolute;top:0;bottom:0;width:40%;left:-60%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .55s ease}
.btn-primary:hover::after{left:130%}
[data-theme='light'] .hero h1 em{
  background:linear-gradient(90deg,#B8860B,#D63A86,#6B32D6,#0B7D70,#B8860B);
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 12px rgba(214,58,134,.3))}