/* SHIBER TAP — фирменный стиль, версия 2.
   Графит — фон, Сталь — карточки, Линия — рамки, Платина — текст и основные кнопки.
   Аметист — только сигнал: точки, рамка, номера шагов. */
:root{--bg:#111214;--panel:#17181B;--line:#2A2C31;--line-hover:#4a4c52;--white:#E6E7EA;--muted:#A3A5AC;--faded:#76787F;--accent:#9B7BFF;--accent-text:#B9A3FF;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:20px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--white);font-family:"Manrope","Segoe UI",-apple-system,BlinkMacSystemFont,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:300;letter-spacing:-.02em;margin:0}
h1 b,h2 b,h3 b{font-weight:600}
svg{flex-shrink:0}
.wrap{max-width:1080px;margin:0 auto;padding:22px 24px 40px;overflow:hidden}

.caps{display:block;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--faded)}
.signal{color:var(--accent-text)}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* шапка */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.logo{display:inline-flex;align-items:center;gap:10px}
.word{font-weight:600;font-size:13px;letter-spacing:.24em;text-transform:uppercase;white-space:nowrap}
.nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:500;color:var(--muted)}
.nav a:hover{color:var(--white)}
.nav .ghost{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:12px;font-weight:600;color:var(--white)}
.nav .ghost:hover{border-color:var(--line-hover)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--white);font:600 15px/1.2 inherit;font-family:inherit;cursor:pointer;transition:border-color .15s,background .15s}
.btn:hover{border-color:var(--line-hover)}
.btn.primary{background:var(--white);border-color:var(--white);color:var(--bg)}
.btn.primary:hover{background:#fff;border-color:#fff}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:1.5px solid var(--accent);outline-offset:3px}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* первый экран */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;padding:64px 0 56px}
.hero h1{font-size:clamp(46px,8vw,92px);line-height:1;margin:18px 0 22px;letter-spacing:-.035em}
.hero p{font-size:18px;line-height:1.6;color:var(--muted);margin:0 0 30px;max-width:520px}
.hero-art{position:relative;height:300px}
.plate{position:absolute;left:12%;top:34%;width:170px;height:170px;border-radius:22px;background:var(--panel);border:1px solid var(--line);display:grid;place-items:center}
.ring{width:104px;height:104px;border-radius:50%;border:1.5px solid var(--accent);box-shadow:0 0 0 14px #ffffff05}
.phone{position:absolute;left:38%;top:4%;width:140px;height:250px;border:1.5px solid var(--white);border-radius:26px;transform:rotate(-24deg);background:var(--bg)}
.phone span{display:block;width:36px;height:4px;border-radius:4px;background:var(--white);margin:16px auto 0;opacity:.8}
.waves{position:absolute;left:6%;top:6%;color:var(--white)}

.bar{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-top:1px solid var(--line);font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--faded)}

/* разделы */
.section{padding:64px 0 0}
.section h2{font-size:clamp(28px,4.4vw,46px);line-height:1.08;margin:12px 0 28px}
.lead{color:var(--muted);font-size:16px;line-height:1.6;max-width:680px;margin:-12px 0 26px}
.note{color:var(--faded);font-size:14px;margin:16px 0 0}

/* как работает: шаги в ряд, возможности списком, демо полосой */
.steps{list-style:none;margin:0 0 14px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:var(--panel);border:1px solid var(--line);border-radius:18px}
.steps li{display:grid;grid-template-columns:48px 1fr;align-content:start;column-gap:6px;padding:24px;border-left:1px solid var(--line)}
.steps li:first-child{border-left:0}
.num{grid-row:span 2;font-size:28px;font-weight:300;color:var(--accent);line-height:1}
.steps b{display:block;font-size:18px;font-weight:600;margin:3px 0 6px}
.steps li>span:last-child{color:var(--muted);font-size:14px;line-height:1.5}
.features{list-style:none;margin:26px 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px}
.features li{display:grid;grid-template-columns:14px 1fr;column-gap:8px;padding:14px 0;border-top:1px solid var(--line)}
.features .dot{margin-top:8px}
.features b{font-size:15px;font-weight:600}
.features li>span:last-child{grid-column:2;color:var(--muted);font-size:14px;line-height:1.45}
.demo{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:var(--panel);border:1.5px solid var(--accent);border-radius:18px;transition:background .15s}
.demo:hover{background:#1b1c20}
.demo b{display:block;font-size:22px;font-weight:600;margin:8px 0 4px}
.demo small{display:block;color:var(--muted);font-size:14px}

/* тарифы */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.plan{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}
.plan.featured{border-color:#3a3c42}
.plan-head{display:flex;justify-content:space-between;align-items:center}
.plan-head .caps{color:var(--white)}
.price{margin:16px 0 0;font-size:18px;color:var(--muted)}
.price span{font-size:15px;color:var(--faded)}
.price b{font-size:40px;font-weight:300;letter-spacing:-.03em;color:var(--white)}
.price small{display:block;font-size:14px;color:var(--white);margin-top:6px}
.plan p{margin:8px 0 14px;color:var(--muted);font-size:14px}
.plan ul{list-style:none;margin:0 0 18px;padding:0;flex:1}
.plan li{padding:8px 0;border-top:1px solid var(--line);font-size:14px}
.plan .btn{width:100%;min-height:44px}
/* калькулятор в тарифе */
.calc{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px;margin:0 0 16px}
.calc-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.stepper button{width:44px;height:44px;border:0;background:transparent;color:var(--white);font:400 22px/1 inherit;font-family:inherit;cursor:pointer}
.stepper button:hover{background:var(--panel)}
.stepper input{width:64px;height:44px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);background:transparent;color:var(--white);font:500 18px/1 inherit;font-family:inherit;text-align:center;-moz-appearance:textfield;appearance:textfield}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.stepper input:focus{outline:none;background:var(--panel)}
.calc-sum{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.calc-sum b{display:block;margin-top:6px;font-size:24px;font-weight:300;letter-spacing:-.02em;white-space:nowrap}
.plan .calc-gift{display:flex;align-items:center;gap:9px;margin:14px 0 0;color:var(--white);font-size:14px}
.calc-gift[hidden]{display:none}
.plans-hint{display:none;margin:-14px 0 14px;font-size:13px;color:var(--faded)}

/* где заказать */
.final{padding-bottom:56px}
.social-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.social{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:64px;padding:14px 18px;border:1px solid var(--line);border-radius:14px;transition:border-color .15s,background .15s}
.social:hover{border-color:var(--line-hover)}
.social b{display:block;font-size:16px;font-weight:600}
.social small{display:block;font-size:13px;color:var(--faded);margin-top:2px}
.social.first{background:var(--white);border-color:var(--white);color:var(--bg)}
.social.first small{color:#55575e}
.social.first:hover{background:#fff}
.contacts{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:12px 40px}
.contacts a,.contacts li>span:last-child{display:block;margin-top:4px;font-size:15px;font-weight:500;word-break:break-word}
.contacts a:hover{color:#fff}
.foot{margin-top:10px}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding:48px 0 36px}
  .hero-art{display:none}
  .steps{grid-template-columns:1fr;padding:0 22px}
  .steps li{grid-template-columns:44px 1fr;border-left:0;border-top:1px solid var(--line);padding:18px 0}
  .steps li:first-child{border-top:0}
  .features{grid-template-columns:1fr 1fr}
  .section{padding-top:52px}
  .nav a:not(.ghost){display:none}
}
@media(max-width:600px){
  .wrap{padding:18px 16px 28px}
  .hero{padding:36px 0 28px}
  .hero p{font-size:16px;margin-bottom:24px}
  .section{padding-top:44px}
  .section h2{margin-bottom:22px}
  .steps,.social-list,.features{grid-template-columns:1fr}
  /* тарифы на телефоне листаются вбок, чтобы не растягивать страницу */
  .plans{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:86%;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:0 16px 6px;scroll-padding:0 16px;scrollbar-width:none;overscroll-behavior-x:contain}
  .plans::-webkit-scrollbar{display:none}
  .plan{scroll-snap-align:start}
  .plans-hint{display:block}
  .calc-sum b{font-size:21px}
  .steps{padding:0 18px}
  .steps li{grid-template-columns:40px 1fr;border-left:0;border-top:1px solid var(--line);padding:16px 0}
  .steps li:first-child{border-top:0}
  .num{font-size:22px}
  .features{margin:20px 0}
  .features li{padding:11px 0}
  .demo{padding:18px}
  .demo b{font-size:19px}
  .bar{flex-direction:column;gap:6px}
  .actions .btn{width:100%}
  .word{font-size:12px;letter-spacing:.2em}
  .nav .ghost{padding:10px 14px}
}