/* ============ Sudar VPN — design system ============ */
:root{
  --bg:#0a0b0d;
  --bg-2:#0e1013;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --text:#f2f3f5;
  --text-2:#9ba1a8;
  --text-3:#6b7178;
  --accent:#2e5bff;
  --accent-2:#3b6bff;
  --accent-glow:rgba(46,91,255,.35);
  --ok:#34d17b;
  --danger:#ff5d5d;
  --r:18px;
  --r-sm:12px;
  --header-h:64px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:400 16px/1.6 Inter,-apple-system,'Segoe UI',Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{ /* ambient glow */
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(1000px 600px at 70% -10%,rgba(46,91,255,.10),transparent 60%),
    radial-gradient(800px 500px at 10% 110%,rgba(255,255,255,.03),transparent 60%);
}
h1,h2,h3{font-family:Unbounded,Inter,sans-serif;font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,6vw,56px);font-weight:700}
h2{font-size:clamp(24px,4vw,38px)}
h3{font-size:clamp(17px,2.5vw,21px)}
p{margin:0 0 1em;color:var(--text-2)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(46,91,255,.4)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:50;height:var(--header-h);
  background:rgba(10,11,13,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-in{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:10px;font-family:Unbounded,sans-serif;font-weight:600;font-size:15px;letter-spacing:.04em}
.brand img{height:30px;width:auto}
.nav{display:none;gap:28px;font-size:14px;color:var(--text-2)}
.nav a{transition:color .25s}
.nav a:hover,.nav a[aria-current]{color:var(--text)}
@media(min-width:900px){.nav{display:flex}}
.header-cta{display:none;gap:10px;align-items:center}
@media(min-width:900px){.header-cta{display:flex}}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px;background:none;border:0;cursor:pointer}
.burger span{height:1.5px;background:var(--text);transition:transform .3s var(--ease),opacity .3s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(min-width:900px){.burger{display:none}}
.mobile-menu{
  position:fixed;top:var(--header-h);left:0;right:0;z-index:49;padding:12px 20px 24px;
  background:rgba(10,11,13,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);display:none;flex-direction:column;gap:4px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 4px;font-size:16px;border-bottom:1px solid var(--line);color:var(--text-2)}
.mobile-menu a:last-child{border-bottom:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:14px;border:1px solid transparent;
  font:600 15px/1 Inter,sans-serif;color:var(--text);cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s;
  -webkit-tap-highlight-color:transparent;user-select:none;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(180deg,var(--accent-2),var(--accent));
  box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 8px 24px -8px var(--accent-glow);
}
.btn-primary:hover{box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 10px 32px -6px var(--accent-glow);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--line-2)}
.btn-lg{height:56px;padding:0 32px;font-size:16px;border-radius:16px}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- glass card ---------- */
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.card-pad{padding:24px}
@media(min-width:768px){.card-pad{padding:32px}}

/* ---------- inputs ---------- */
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:500;color:var(--text-2)}
.input{
  height:52px;padding:0 16px;border-radius:14px;width:100%;
  background:rgba(0,0,0,.25);border:1px solid var(--line);color:var(--text);
  font:500 16px Inter,sans-serif;outline:none;transition:border-color .25s,box-shadow .25s;
}
.input::placeholder{color:var(--text-3)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(46,91,255,.18)}
.input-key{font-family:'SF Mono',ui-monospace,Menlo,monospace;letter-spacing:.08em;text-align:center;font-size:17px}

/* ---------- misc ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--text-2);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.hairline{height:1px;background:var(--line);border:0;margin:0}
.section{position:relative;z-index:1;padding:72px 0}
@media(min-width:768px){.section{padding:110px 0}}
.section-head{max-width:640px;margin-bottom:40px}
@media(min-width:768px){.section-head{margin-bottom:56px}}
.eyebrow{font:600 12px/1 Inter,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* footer */
.footer{border-top:1px solid var(--line);padding:48px 0 32px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer h4{font:600 13px Inter,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin:0 0 14px}
.footer a{display:block;padding:5px 0;font-size:14px;color:var(--text-2);transition:color .25s}
.footer a:hover{color:var(--text)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* noise overlay for depth */
.noise{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- landing ---------- */
.hero{position:relative;padding:calc(var(--header-h) + 48px) 0 40px;z-index:1;overflow:hidden}
@media(min-width:900px){.hero{padding:calc(var(--header-h) + 84px) 0 90px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:8px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:40px}}
.hero-copy{max-width:560px;position:relative;z-index:2}
.hero-copy .badge{margin-bottom:22px}
.hero-sub{font-size:clamp(16px,2vw,19px);max-width:460px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-globe{position:relative;display:flex;justify-content:center;margin:0 -20px}
.hero-globe canvas{display:block;max-width:100%}
.hero-globe::after{content:'';position:absolute;inset:auto 0 -1px;height:120px;
  background:linear-gradient(180deg,transparent,var(--bg));pointer-events:none}
@media(max-width:899px){
  .hero-globe{order:1;margin:8px auto -40px;max-width:340px;opacity:.95}
  .hero{padding-bottom:0}
}
.hero-note{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;font-size:13px;color:var(--text-3)}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note svg{width:14px;height:14px;stroke:var(--text-3)}

.platforms{display:flex;flex-wrap:wrap;gap:10px}
.platform{
  display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);font:500 14px Inter,sans-serif;
  color:var(--text-2);transition:border-color .25s,color .25s,transform .25s var(--ease);
}
.platform:hover{border-color:var(--line-2);color:var(--text);transform:translateY(-2px)}
.platform svg{width:18px;height:18px;fill:currentColor}

.feat-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:768px){.feat-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
.feat{padding:28px}
.feat-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(46,91,255,.12);border:1px solid rgba(46,91,255,.25);margin-bottom:18px}
.feat-icon svg{width:20px;height:20px;stroke:#7d9bff}
.feat h3{margin-bottom:10px}
.feat ul{margin:0;padding:0;list-style:none;color:var(--text-2);font-size:14.5px;display:flex;flex-direction:column;gap:8px}
.feat li{display:flex;gap:10px;align-items:flex-start}
.feat li::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--accent-2);margin-top:9px;flex-shrink:0}

.steps{display:grid;grid-template-columns:1fr;gap:14px;counter-reset:step}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:18px}}
.step{padding:28px;counter-increment:step}
.step-num{font-family:Unbounded,sans-serif;font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.1em;margin-bottom:16px}
.step-num::before{content:'0' counter(step);font-size:28px;color:var(--text);display:block;margin-bottom:4px}

.included{display:grid;grid-template-columns:1fr;gap:2px}
@media(min-width:700px){.included{grid-template-columns:1fr 1fr}}
.included-item{display:flex;align-items:center;gap:14px;padding:17px 6px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.included-item svg{width:18px;height:18px;stroke:var(--ok);flex-shrink:0}

.cta-band{position:relative;overflow:hidden;text-align:center;padding:56px 24px}
@media(min-width:768px){.cta-band{padding:80px 48px}}
.cta-band::before{content:'';position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 120%,rgba(46,91,255,.22),transparent 70%);pointer-events:none}
.cta-band h2{margin-bottom:12px}
.price-hero{font-family:Unbounded,sans-serif;font-size:clamp(40px,8vw,72px);font-weight:700;line-height:1;margin:18px 0 6px;font-variant-numeric:tabular-nums}
.price-hero small{font-size:.35em;font-weight:600;color:var(--text-2)}

/* ---------- flow pages ---------- */
.flow-main{min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:calc(var(--header-h) + 32px) 20px 48px;position:relative;z-index:1}
.flow-card{width:100%;max-width:440px}
.flow-wide{max-width:920px}
.flow-title{text-align:center;margin-bottom:8px}
.flow-sub{text-align:center;font-size:15px;margin-bottom:28px}
.stack{display:flex;flex-direction:column;gap:12px}

/* plans */
.plans{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:20px}
@media(min-width:768px){.plans{grid-template-columns:repeat(2,1fr);gap:14px}}
.plan{
  position:relative;display:flex;align-items:center;gap:16px;padding:20px 22px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .25s,background .25s,box-shadow .25s;-webkit-tap-highlight-color:transparent;
}
.plan:hover{border-color:var(--line-2)}
.plan input{position:absolute;opacity:0;pointer-events:none}
.plan .radio{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line-2);flex-shrink:0;position:relative;transition:border-color .2s}
.plan .radio::after{content:'';position:absolute;inset:4px;border-radius:50%;background:var(--accent-2);transform:scale(0);transition:transform .2s var(--ease)}
.plan.selected{border-color:var(--accent);background:rgba(46,91,255,.07);box-shadow:0 0 0 1px var(--accent),0 8px 32px -12px var(--accent-glow)}
.plan.selected .radio{border-color:var(--accent-2)}
.plan.selected .radio::after{transform:scale(1)}
.plan-body{flex:1;min-width:0}
.plan-name{display:block;font:600 16px Inter,sans-serif;color:var(--text)}
.plan-meta{display:block;font-size:13px;color:var(--text-3);margin-top:2px}
.plan-price{font-family:Unbounded,sans-serif;font-weight:600;font-size:19px;white-space:nowrap;font-variant-numeric:tabular-nums}
.plan-price small{font-size:12px;color:var(--text-3);display:block;text-align:right;font-family:Inter;font-weight:500}
.plan-tag{position:absolute;top:-9px;right:16px;padding:3px 10px;border-radius:999px;font:600 11px Inter,sans-serif;
  background:linear-gradient(180deg,var(--accent-2),var(--accent));letter-spacing:.03em}
.plan-trial{grid-column:1/-1}

/* promo */
.promo-toggle{background:none;border:0;color:var(--text-2);font:500 14px Inter,sans-serif;cursor:pointer;
  padding:8px;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.promo-toggle:hover{color:var(--text)}
.promo-row{display:none;gap:10px;margin-top:10px}
.promo-row.open{display:flex}
.promo-row .input{flex:1}
.promo-ok{color:var(--ok);font-size:13.5px;margin-top:8px;display:none}
.promo-err{color:var(--danger);font-size:13.5px;margin-top:8px;display:none}

/* checkout */
.pay-methods{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.pay-method{
  display:flex;align-items:center;gap:16px;padding:18px 20px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  transition:border-color .25s,background .25s;-webkit-tap-highlight-color:transparent;
}
.pay-method:hover{border-color:var(--line-2)}
.pay-method.selected{border-color:var(--accent);background:rgba(46,91,255,.07);box-shadow:0 0 0 1px var(--accent)}
.pay-icon{width:42px;height:42px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pay-icon svg{width:21px;height:21px;stroke:var(--text-2)}
.pay-name{font:600 15px Inter,sans-serif}
.pay-desc{font-size:13px;color:var(--text-3);margin-top:1px}
.summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;border-radius:var(--r);background:rgba(0,0,0,.25);border:1px solid var(--line);margin-bottom:20px;
}
.summary-label{font-size:13px;color:var(--text-3)}
.summary-plan{font:600 15px Inter,sans-serif;margin-top:2px}
.summary-price{font-family:Unbounded,sans-serif;font-weight:600;font-size:20px;font-variant-numeric:tabular-nums;white-space:nowrap}
.legal-note{font-size:12.5px;color:var(--text-3);text-align:center;line-height:1.55;margin-top:16px}
.legal-note a{color:var(--text-2);text-decoration:underline;text-underline-offset:2px}

/* payment loader */
.loader-overlay{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  background:rgba(10,11,13,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding:20px}
.loader-overlay.show{display:flex}
.loader-box{text-align:center;max-width:340px}
.spinner{width:52px;height:52px;margin:0 auto 24px;border-radius:50%;
  border:2px solid var(--line-2);border-top-color:var(--accent-2);animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-box h3{font-family:Inter;font-weight:600;font-size:17px}
.loader-box p{font-size:14px}

/* success / key */
.key-wrap{margin:26px 0 22px}
.key-value{
  font-family:'SF Mono',ui-monospace,Menlo,monospace;font-size:clamp(17px,4.5vw,22px);letter-spacing:.1em;
  text-align:center;padding:20px 16px;border-radius:var(--r);background:rgba(0,0,0,.3);
  border:1px solid rgba(46,91,255,.4);box-shadow:0 0 40px -12px var(--accent-glow);user-select:all;word-break:break-all;
}
.success-check{width:76px;height:76px;margin:0 auto 22px;border-radius:50%;
  background:rgba(52,209,123,.1);border:1px solid rgba(52,209,123,.35);
  display:flex;align-items:center;justify-content:center;animation:pop .5s var(--ease) both}
.success-check svg{width:36px;height:36px;fill:none;stroke:var(--ok);stroke-dasharray:32;stroke-dashoffset:32;animation:dash .55s .25s var(--ease) forwards}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes dash{to{stroke-dashoffset:0}}

/* cabinet */
.cab-grid{display:grid;grid-template-columns:1fr;gap:14px;width:100%;max-width:720px}
@media(min-width:768px){.cab-grid{grid-template-columns:1fr 1fr}}
.cab-stat{padding:22px}
.cab-stat .label{font-size:13px;color:var(--text-3);margin-bottom:6px}
.cab-stat .value{font:600 20px Inter,sans-serif}
.cab-key{grid-column:1/-1}
.status-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;font:600 13px Inter,sans-serif}
.status-active{background:rgba(52,209,123,.12);color:var(--ok);border:1px solid rgba(52,209,123,.3)}
.status-off{background:rgba(255,93,93,.1);color:var(--danger);border:1px solid rgba(255,93,93,.3)}

/* legal */
.legal-page{max-width:760px;margin:0 auto;padding:calc(var(--header-h) + 48px) 20px 80px;position:relative;z-index:1}
.legal-page h1{font-size:clamp(26px,4vw,36px);margin-bottom:8px}
.legal-page .updated{font-size:13px;color:var(--text-3);margin-bottom:36px}
.legal-page h2{font-size:20px;margin-top:36px}
.legal-page p,.legal-page li{color:var(--text-2);font-size:15px}

.rub{font-family:Inter,sans-serif;font-weight:600}
/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,80px);z-index:110;
  padding:13px 22px;border-radius:14px;background:rgba(20,22,26,.95);border:1px solid var(--line-2);
  font:500 14px Inter,sans-serif;transition:transform .35s var(--ease);pointer-events:none}
.toast.show{transform:translate(-50%,0)}