/* ===== TrueSpace — premium hybrid landing ===== */

:root{
  --black:#07080a;
  --black-2:#0c0e13;
  --ink:#0e1116;        /* основной тёмный текст */
  --ink-soft:#3a3f47;
  --muted:#6b7280;
  --line:#e7e6e2;
  --paper:#ffffff;
  --paper-warm:#f7f6f3; /* тёплый светлый фон */
  --accent:#5b6cff;     /* индиго — технологичность + доверие */
  --accent-2:#8a7bff;
  --glow:#3a49d6;
  --white:#ffffff;
  --radius:18px;
  --radius-lg:26px;
  --maxw:1180px;
  --pad:clamp(22px,5vw,64px);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--accent);font-weight:600}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.narrow{max-width:820px}

/* ===== Кнопки ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:600;font-size:16px;line-height:1;letter-spacing:.01em;
  padding:14px 24px;border-radius:999px;
  background:var(--accent);color:#fff;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .25s ease,background .2s ease,color .2s ease;
  box-shadow:0 6px 22px rgba(91,108,255,.28);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(91,108,255,.4)}
.btn:active{transform:translateY(0)}
.btn--lg{padding:17px 32px;font-size:17px}
.btn--sm{padding:9px 18px;font-size:14px;box-shadow:none}
.btn--full{width:100%}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);box-shadow:none;backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.08);box-shadow:none}

/* ===== Логотип-знак (точная форма из PNG-маски, цвет = currentColor) ===== */
.logo-mark{
  width:1em;height:1em;display:inline-block;vertical-align:-.16em;
  background-color:currentColor;
  -webkit-mask:url(assets/img/logo-mask.png) center/contain no-repeat;
          mask:url(assets/img/logo-mask.png) center/contain no-repeat;
}

/* ===== Фиксированная верхушка ===== */
.topfixed{position:fixed;top:0;left:0;right:0;z-index:60}
section[id]{scroll-margin-top:104px}

/* Баннер о цене */
.topbar{
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;
  padding:8px 18px;font-size:14px;line-height:1.35;text-align:center;
}
.topbar__text{opacity:.96}
.topbar__text strong{font-weight:700}
.topbar__cta{font-weight:700;white-space:nowrap;border-bottom:1px solid rgba(255,255,255,.6)}

/* Шапка */
.nav{padding:12px 0;transition:background .3s ease,box-shadow .3s ease,padding .3s ease}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:20px;letter-spacing:-.02em;color:#fff;transition:color .3s ease}
.nav__logo .logo-mark{font-size:21px;color:#fff;transition:color .3s ease}
.nav__links{display:flex;gap:28px;margin-left:auto;margin-right:8px}
.nav__links a{font-size:15px;color:rgba(255,255,255,.82);transition:color .2s ease}
.nav__links a:hover{color:#fff}
.topfixed.scrolled .nav{background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(16px);box-shadow:0 1px 0 var(--line)}
.topfixed.scrolled .nav__logo{color:var(--ink)}
.topfixed.scrolled .nav__logo .logo-mark{color:var(--accent)}
.topfixed.scrolled .nav__links a{color:var(--ink-soft)}
.topfixed.scrolled .nav__links a:hover{color:var(--accent)}

/* ===== Hero (тёмный) ===== */
.hero{
  position:relative;background:var(--black);color:#fff;
  padding:clamp(150px,20vh,210px) 0 clamp(70px,10vh,110px);
  overflow:hidden;
}
.hero__glow{
  position:absolute;inset:-20% -10% auto -10%;height:80%;
  background:
    radial-gradient(closest-side at 70% 20%,rgba(91,108,255,.45),transparent 70%),
    radial-gradient(closest-side at 25% 40%,rgba(138,123,255,.28),transparent 70%);
  filter:blur(20px);pointer-events:none;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,70px);align-items:center}
.hero__badge{
  display:inline-block;font-size:13.5px;font-weight:600;letter-spacing:.01em;
  color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(138,123,255,.4);
  padding:7px 15px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero__title{
  font-size:clamp(40px,6.4vw,76px);line-height:1.03;letter-spacing:-.03em;font-weight:700;
  margin:18px 0 22px;
}
.hero__sub{font-size:clamp(17px,2.1vw,21px);line-height:1.5;color:rgba(255,255,255,.74);max-width:30ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0 18px}
.hero__note{font-size:14px;color:rgba(255,255,255,.5)}

.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--accent-2)}
.eyebrow--light{color:var(--accent-2)}
.eyebrow--dark{color:var(--accent)}

/* устройство-мокап */
.device{
  position:relative;width:min(330px,80%);margin:0 auto;
  border-radius:38px;padding:10px;background:linear-gradient(160deg,#23262e,#0e1014);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.75),0 0 0 1px rgba(255,255,255,.06) inset;
}
.device img{border-radius:30px;width:100%}
.device--sm{width:min(300px,78%)}
.hero__visual{perspective:1200px}
.hero__visual .device{transform:rotateY(-12deg) rotateX(4deg)}

/* Фото основателя */
.photo{margin:0;position:relative;width:min(440px,100%)}
.photo img{
  width:100%;border-radius:var(--radius-lg);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.08) inset;
}
.photo figcaption{
  margin-top:14px;text-align:center;font-size:14px;color:rgba(255,255,255,.55);
}

/* ===== Если совсем просто (светлая) ===== */
.plain{background:var(--paper);padding:clamp(64px,9vw,110px) 0;border-bottom:1px solid var(--line)}
.plain__inner{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,6vw,72px);align-items:center}
.plain__text h2{font-size:clamp(28px,3.8vw,44px);line-height:1.12;letter-spacing:-.025em;font-weight:700;color:var(--ink);margin-bottom:24px}
.plain__text p{font-size:clamp(17px,1.9vw,20px);line-height:1.62;color:var(--ink-soft);margin-bottom:18px}
.plain__text strong{color:var(--ink);font-weight:600}
.plain__media{display:flex;flex-direction:column;align-items:center;gap:16px}
.plain__cap{font-size:14px;color:var(--muted);text-align:center}

/* ===== Манифест / видео ===== */
.manifest{background:var(--black-2);color:#fff;padding:clamp(70px,10vw,120px) 0}
.section-head{max-width:720px}
.section-head--center{margin:0 auto;text-align:center}
.section-head h2{font-size:clamp(30px,4.5vw,52px);line-height:1.08;letter-spacing:-.025em;font-weight:700;margin:14px 0 16px}
.lead{font-size:clamp(17px,2vw,20px);color:rgba(255,255,255,.66);line-height:1.5}
.manifest .lead{margin:0 auto}

.video{
  position:relative;margin-top:48px;aspect-ratio:16/9;width:100%;
  border-radius:var(--radius-lg);overflow:hidden;background:#000;
  box-shadow:0 50px 120px -40px rgba(91,108,255,.5),0 0 0 1px rgba(255,255,255,.07);
}
.video video{width:100%;height:100%;object-fit:cover;display:block}
.video__poster{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  cursor:pointer;
  background:
    radial-gradient(closest-side at 50% 42%,rgba(91,108,255,.35),transparent 70%),
    linear-gradient(160deg,#11131a,#05060a);
  background-size:cover;background-position:center;
}
.video__poster--img{background-blend-mode:normal}
.video__play{
  width:88px;height:88px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.95);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 50px rgba(91,108,255,.55);
  transition:transform .2s ease,box-shadow .25s ease;
}
.video__poster:hover .video__play{transform:scale(1.08)}
.video__playicon{font-size:30px;margin-left:5px;line-height:1}
.video__label{font-size:15px;color:rgba(255,255,255,.82);letter-spacing:.02em;font-weight:500}
.video__quality{
  display:block;margin:18px auto 0;background:transparent;border:none;cursor:pointer;
  color:rgba(255,255,255,.5);font-size:14px;font-family:inherit;transition:color .2s ease;
}
.video__quality:hover{color:rgba(255,255,255,.85)}

/* ===== Идея (тёплый читаемый рассказ) ===== */
.idea{
  background:var(--paper-warm);
  padding:clamp(72px,11vw,130px) 0;
  /* мягкий переход от тёмного манифеста */
  border-top:1px solid var(--line);
}
.idea__h{
  font-size:clamp(26px,3.6vw,40px);line-height:1.15;letter-spacing:-.025em;font-weight:700;
  color:var(--ink);margin-bottom:28px;
}
.idea p{
  font-size:clamp(17px,1.9vw,20px);line-height:1.65;color:var(--ink-soft);
  margin-bottom:22px;
}
.idea__accent{
  color:var(--ink)!important;font-weight:550;
  border-left:3px solid var(--accent);padding-left:20px;margin-top:30px!important;
}

/* ===== Схема экосистемы (тёмная) ===== */
.scheme{position:relative;background:var(--black);color:#fff;padding:clamp(72px,10vw,120px) 0;overflow:hidden}
.scheme::before{content:"";position:absolute;inset:0;background:radial-gradient(closest-side at 50% 55%,rgba(91,108,255,.22),transparent 70%);pointer-events:none}
.scheme .lead{margin:0 auto}
.hub{
  position:relative;width:min(680px,100%);margin:clamp(40px,6vw,64px) auto 0;aspect-ratio:1.25/1;
}
.hub__lines{position:absolute;inset:0;width:100%;height:100%}
.hub__lines line{stroke:rgba(138,123,255,.4);stroke-width:.4;stroke-dasharray:1.5 1.5}
.hub__center{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;z-index:2;
  width:128px;height:128px;justify-content:center;border-radius:50%;
  background:radial-gradient(closest-side,rgba(91,108,255,.3),rgba(12,14,19,.9));
  border:1px solid rgba(138,123,255,.5);
  box-shadow:0 0 60px rgba(91,108,255,.55);
}
.hub__center .logo-mark{font-size:46px;color:#fff}
.hub__center span{font-size:14px;font-weight:700;letter-spacing:.02em}
.hub__node{
  position:absolute;transform:translate(-50%,-50%);z-index:2;
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  padding:11px 18px;border-radius:999px;font-size:15px;font-weight:600;color:#fff;
  backdrop-filter:blur(6px);transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.hub__node:hover{transform:translate(-50%,-50%) scale(1.06);background:rgba(91,108,255,.22);border-color:rgba(138,123,255,.6)}
.hub__ico{font-size:18px}
.hub .n1{left:50%;top:10%}
.hub .n2{left:87%;top:38%}
.hub .n3{left:72%;top:88%}
.hub .n4{left:28%;top:88%}
.hub .n5{left:13%;top:38%}

/* ===== Лента доп. скриншотов ===== */
.strip{display:flex;gap:clamp(20px,4vw,46px);justify-content:center;align-items:flex-start;margin-top:clamp(30px,5vw,56px);flex-wrap:wrap}
.strip__item{display:flex;flex-direction:column;align-items:center;gap:16px;max-width:300px}
.device--xs{width:min(230px,72vw)}
.proof__cap{font-size:15px;color:var(--ink-soft);text-align:center;line-height:1.5;max-width:30ch}
.pillar--alt .proof__cap,.pillar .proof__cap{color:var(--ink-soft)}
.strip__item--proof .proof__cap strong,.proof__cap{font-weight:500}

/* ===== Плавающая кнопка ===== */
.floatcta{
  position:fixed;z-index:55;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);
  background:var(--accent);color:#fff;font-weight:650;font-size:15px;
  padding:14px 22px;border-radius:999px;box-shadow:0 12px 34px rgba(91,108,255,.5);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.floatcta.show{opacity:1;transform:none;pointer-events:auto}
.floatcta:hover{transform:translateY(-2px)}

/* ===== Цена-замок / финал ===== */
.price__lock{
  background:rgba(255,255,255,.06);border:1px solid rgba(138,123,255,.35);
  border-radius:14px;padding:16px 20px;font-size:15px;line-height:1.5;
  color:rgba(255,255,255,.82);max-width:48ch;margin:0 auto 28px;
}
.price__lock strong{color:#fff}
.closing__line{font-size:clamp(18px,2.4vw,24px);color:#fff;font-weight:600;margin-bottom:10px}

/* ===== Пиллары ===== */
.pillars-intro{background:var(--paper-warm);padding:clamp(70px,9vw,110px) 0 clamp(20px,3vw,40px);text-align:center}
.pillars-intro .eyebrow--dark{color:var(--accent)}
.pillars-intro h2{font-size:clamp(30px,4.5vw,52px);line-height:1.08;letter-spacing:-.025em;font-weight:700;margin:14px 0 16px;color:var(--ink)}
.pillars-intro .lead{color:var(--muted);margin:0 auto}

.pillar{background:var(--paper-warm);padding:clamp(48px,7vw,90px) 0}
.pillar--alt{background:var(--paper)}
.pillar__inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.pillar__inner--rev .pillar__text{order:2}
.pillar__inner--rev .pillar__media{order:1}
.pillar__tag{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--accent)}
.pillar__text h3{font-size:clamp(26px,3.6vw,40px);line-height:1.12;letter-spacing:-.025em;font-weight:700;margin:12px 0 16px;color:var(--ink)}
.pillar__text p{font-size:clamp(16px,1.9vw,18.5px);color:var(--ink-soft);line-height:1.6;max-width:46ch}
.pillar__text strong{color:var(--ink);font-weight:650}
.pillar__media{display:flex;justify-content:center}
.pillar--alt .device--sm,.pillar .device--sm{background:linear-gradient(160deg,#23262e,#0e1014)}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  font-size:14px;font-weight:550;color:var(--ink-soft);
  background:rgba(91,108,255,.08);border:1px solid rgba(91,108,255,.16);
  padding:8px 14px;border-radius:999px;
}

/* ===== Трамплин ===== */
.tramplin{background:var(--ink);color:#fff;padding:clamp(70px,10vw,120px) 0}
.tramplin .eyebrow--dark{color:var(--accent-2)}
.tramplin h2{color:#fff}
.tramplin .lead{color:rgba(255,255,255,.62);margin:0 auto}
.grid7{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px}
.prin{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius);padding:24px 22px;
}
.prin__n{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;
}
.prin h4{font-size:17px;font-weight:650;margin-bottom:8px;letter-spacing:-.01em}
.prin p{font-size:14.5px;color:rgba(255,255,255,.6);line-height:1.5}
.grid7 .prin:nth-child(1),.grid7 .prin:nth-child(2),.grid7 .prin:nth-child(3){grid-row:1}

/* ===== Подписка ===== */
.pricing{background:var(--black);color:#fff;padding:clamp(80px,11vw,130px) 0}
.price-card{
  background:linear-gradient(165deg,rgba(91,108,255,.12),rgba(12,14,19,.4));
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);
  padding:clamp(34px,5vw,56px);text-align:center;
  box-shadow:0 50px 120px -50px rgba(91,108,255,.6);
}
.price-card h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.025em;font-weight:700;margin:12px 0 24px;line-height:1.1}
.price{display:flex;align-items:baseline;justify-content:center;gap:8px;margin-bottom:28px}
.price__num{font-size:clamp(44px,7vw,64px);font-weight:800;letter-spacing:-.03em}
.price__per{font-size:18px;color:rgba(255,255,255,.6)}
.price__list{list-style:none;display:inline-block;text-align:left;margin:0 auto 26px}
.price__list li{font-size:17px;color:rgba(255,255,255,.84);padding:9px 0 9px 30px;position:relative}
.price__list li::before{content:"";position:absolute;left:0;top:14px;width:16px;height:9px;border-left:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);transform:rotate(-45deg)}
.price__twist{font-size:16px;color:rgba(255,255,255,.66);line-height:1.55;max-width:48ch;margin:0 auto 30px}

/* ===== Финал ===== */
.closing{position:relative;background:var(--black);color:#fff;padding:clamp(90px,13vw,150px) 0;overflow:hidden;text-align:center}
.closing__glow{position:absolute;inset:auto -10% -40% -10%;height:90%;background:radial-gradient(closest-side at 50% 80%,rgba(91,108,255,.4),transparent 70%);filter:blur(10px)}
.closing__inner{position:relative}
.closing h2{font-size:clamp(28px,4.4vw,52px);line-height:1.14;letter-spacing:-.025em;font-weight:700;max-width:20ch;margin:0 auto 18px}
.closing__sign{font-size:19px;color:rgba(255,255,255,.6);margin-bottom:36px}

/* ===== Подвал ===== */
.footer{background:var(--black-2);color:rgba(255,255,255,.6);padding:34px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer__logo{font-weight:700;color:#fff;font-size:18px}
.footer__links{display:flex;gap:24px}
.footer__links a{font-size:15px;transition:color .2s}
.footer__links a:hover{color:#fff}
.footer__copy{font-size:14px}

/* ===== Анимация появления ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ===== Адаптив ===== */
@media (max-width:900px){
  .nav__links{display:none}
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__sub{margin-inline:auto}
  .hero__cta{justify-content:center}
  .hero__visual{margin-top:36px}
  .hero__visual .device{transform:none}
  .pillar__inner{grid-template-columns:1fr;gap:34px;text-align:center}
  .pillar__inner--rev .pillar__text{order:1}
  .pillar__inner--rev .pillar__media{order:2}
  .pillar__text p{margin-inline:auto}
  .chips{justify-content:center}
  .grid7{grid-template-columns:repeat(2,1fr)}
  .topbar__cta{display:none}
  .plain__inner{grid-template-columns:1fr;text-align:center;gap:34px}
  .plain__text p{margin-inline:auto;max-width:54ch}
  .plain__media{order:-1}
  /* Схема — в столбик */
  .hub{aspect-ratio:auto;display:flex;flex-direction:column;align-items:center;gap:14px;width:100%}
  .hub__lines{display:none}
  .hub__center{position:static;transform:none;margin-bottom:8px}
  .hub__node{position:static;transform:none;width:min(280px,80%);justify-content:center}
  .hub__node:hover{transform:scale(1.04)}
}
@media (max-width:560px){
  .grid7{grid-template-columns:1fr}
  .footer__inner{flex-direction:column;text-align:center}
  .btn--lg{width:100%}
  .hero__cta{flex-direction:column}
  .hero__cta .btn{width:100%}
}