/* ========= Этап 0: Глобальные стили ========= */
:root{
  --bg:#0f1220;
  --text:#e7e9f4;
  --muted:#a8b0c4;
  --brand:#66e0c2;
  --brand-ink:#0a3b31;
  --accent:#c7a4ff;
  --card:#151832;
  --radius:18px;
  --container:1120px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.visually-hidden{position:absolute !important;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap;border:0;padding:0;margin:-1px}

/* Body / типографика */
body{
  background: radial-gradient(1200px 600px at 80% -10%, rgba(102,224,194,.15), transparent 60%),
              radial-gradient(800px 400px at 10% 0%, rgba(199,164,255,.12), transparent 60%),
              var(--bg);
  color:var(--text);
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3{
  font-family:Manrope, Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  margin:0 0 .6rem;
  line-height:1.2;
  letter-spacing:-.01em;
  color:#fff;
}
p{margin:0 0 1rem;color:var(--text)}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ========= Header ========= */
.header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg, rgba(15,18,32,.9), rgba(15,18,32,.6));
  backdrop-filter:saturate(120%) blur(10px);
  border-bottom:1px solid rgba(199,164,255,.12);
}
.header__container{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:64px;
}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.2px}
.logo__text{font-size:1.1rem}
.logo__mark{
  width:24px;height:24px;border-radius:8px;
  background:
    conic-gradient(from 210deg at 50% 50%, var(--brand) 0 40%, transparent 40% 100%),
    radial-gradient(circle at 70% 30%, var(--accent), transparent 50%),
    linear-gradient(135deg, #1b213f, #0e1328);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12), 0 4px 14px rgba(102,224,194,.35);
}

/* Nav */
.nav{display:none}
.header__nav[aria-expanded="true"], .nav--open{display:block}
.nav__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.nav__item--cta{margin-top:6px}
.nav__link{
  display:inline-flex;align-items:center;gap:.4rem;padding:.6rem .8rem;border-radius:12px;color:var(--muted);
  transition:transform .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav__link:hover{color:#fff;background:rgba(199,164,255,.08);box-shadow:0 6px 20px rgba(199,164,255,.08)}
.header__toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.02);color:#fff;cursor:pointer;
  transition:transform .2s ease, background .2s ease, border-color .2s ease;
}
.header__toggle:hover{background:rgba(255,255,255,.06);transform:translateY(-1px)}

/* Buttons */
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.7rem 1rem;border-radius:14px;border:1px solid transparent;font-weight:600;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.button--primary{
  background:linear-gradient(180deg, var(--brand), #49c8ab);
  color:var(--brand-ink);
  box-shadow:0 10px 25px rgba(102,224,194,.28);
}
.button--primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(102,224,194,.35)}
.button--ghost{
  background:transparent;border-color:rgba(255,255,255,.18);color:#fff;
}
.button--ghost:hover{background:rgba(255,255,255,.06)}

/* ========= Hero ========= */
.section{padding:56px 0}
.hero{position:relative;isolation:isolate;padding-top:72px}
.hero__bg{
  position:absolute;inset:0;z-index:-1;width:100%;height:100%;
  filter:contrast(105%) saturate(110%);
}
.hero__container{
  display:grid;gap:20px;align-items:stretch;
  grid-template-columns:1fr;
}
.hero__content{
  padding:22px;border-radius:var(--radius);
  position:relative;overflow:hidden;
}
.hero__content::after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:var(--radius);
  background:radial-gradient(600px 300px at 0% 0%, rgba(199,164,255,.06), transparent 60%);
}
.hero__eyebrow{
  color:var(--muted);font-weight:600;letter-spacing:.2px;margin-bottom:.4rem;
}
.hero__title{font-size:2rem;margin-bottom:.4rem}
.hero__title-gradient{
  background:linear-gradient(90deg, #fff, var(--accent), var(--brand));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__subtitle{color:var(--text);opacity:.95}

.hero__ctas{display:flex;flex-wrap:wrap;gap:10px;margin:.8rem 0 1rem}
.hero__cta i{width:18px;height:18px}
.hero__link{
  display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .2rem;border-radius:10px;color:var(--accent);
  transition:transform .2s ease, color .2s ease, background .2s ease;
}
.hero__link:hover{transform:translateY(-1px);color:#fff;background:rgba(199,164,255,.08)}

.hero__bullets{list-style:none;margin:.6rem 0 0;padding:0;display:grid;gap:.35rem}
.hero__bullet{display:flex;align-items:center;gap:.5rem;color:var(--muted)}
.hero__bullet i{width:18px;height:18px;color:var(--brand)}

.hero__note{
  margin-top:1rem;display:flex;align-items:center;gap:.5rem;
  font-size:.95rem;color:var(--muted)
}
.hero__note i{width:18px;height:18px;color:var(--brand)}

.hero__media{
  overflow:hidden;border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;justify-content:space-between
}
.hero__image{border-radius:12px;border:1px solid rgba(255,255,255,.08)}
.hero__caption{margin-top:.6rem;color:var(--muted);font-size:.95rem}

/* ========= Footer ========= */
.footer{margin-top:56px;background:linear-gradient(180deg, #121531, #0e1328);border-top:1px solid rgba(199,164,255,.12)}
.footer__container{
  display:grid;gap:28px;padding:40px 20px;
  grid-template-columns:1fr;
}
.footer__title{font-size:1rem;color:#fff;margin:0 0 .8rem}
.footer__links{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.footer__link{color:var(--muted);padding:.2rem 0;border-radius:10px}
.footer__link:hover{color:#fff;background:rgba(199,164,255,.08)}
.footer__brand .footer__tagline{color:var(--muted);margin-top:.6rem}
.footer__contacts{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.footer__contact{display:flex;align-items:flex-start;gap:.6rem;color:var(--text)}
.footer__contact i{width:18px;height:18px;color:var(--accent);opacity:.9}
.footer__address{font-style:normal;color:var(--text)}
.footer__note{margin-top:.8rem;color:var(--muted);font-size:.9rem}

.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:14px 0;background:#0f1220}
.footer__bottom-container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer__copy{color:var(--muted);font-size:.95rem}

/* ========= Media ========= */
@media (min-width: 768px){
  .nav{display:block}
  .header__toggle{display:none}
  .nav__list{flex-direction:row;gap:4px}
  .nav__item--cta{margin-top:0;margin-left:6px}
  .logo__text{font-size:1.05rem}
  .header__container{min-height:72px}

  .hero__container{
    grid-template-columns:1.15fr .85fr;
    gap:22px;
  }
  .hero__title{font-size:2.6rem}
  .hero__content{padding:28px}
  .footer__container{
    grid-template-columns:1.1fr .8fr .8fr 1fr;
    padding:56px 20px;
  }
}

/* ========= Utility (для будущих секций) ========= */
.section{padding:56px 0}
.card{
  background:var(--card);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);box-shadow:var(--shadow);
}

/* ========= Стили для страниц-политик (структура из ТЗ) ========= */
.pages{padding:48px 0}
.pages .container{max-width:820px}
.pages h1{font-size:2rem;margin-bottom:1rem}
.pages h2{font-size:1.25rem;margin-top:1.25rem;margin-bottom:.5rem}
.pages p{color:var(--text)}
.pages ul{padding-left:1.2rem}
.pages li{margin:.4rem 0}
.pages a{color:var(--brand)}
.pages a:hover{text-decoration:underline}

/* ===== Features ===== */
.features__header{margin-bottom:18px}
.features__title{font-size:1.6rem}
.features__subtitle{color:var(--muted)}
.features__grid{
  display:grid;gap:14px;margin-top:14px;
  grid-template-columns:1fr;
}
.feature-card{
  background:linear-gradient(180deg, rgba(199,164,255,.05), rgba(199,164,255,.00)) , var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(199,164,255,.28);
  box-shadow:0 14px 40px rgba(199,164,255,.12);
}
.feature-card__icon{width:28px;height:28px;color:var(--brand);margin-bottom:.6rem}
.feature-card__title{font-size:1.05rem;margin-bottom:.3rem}
.feature-card__text{color:var(--text);opacity:.95}
.feature-card__badge{
  display:inline-block;margin-top:.6rem;padding:.28rem .56rem;
  border:1px dashed rgba(102,224,194,.45);border-radius:999px;
  font-size:.85rem;color:var(--brand)
}
.features__ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.features__note{
  margin-top:10px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem
}
.features__note i{width:18px;height:18px;color:var(--brand)}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease, transform .5s ease}
.reveal--in{opacity:1;transform:none}

@media (min-width: 640px){
  .features__grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width: 992px){
  .features__grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .features__title{font-size:2rem}
}

/* ===== How It Works ===== */
.how__header{margin-bottom:16px}
.how__title{font-size:1.6rem}
.how__subtitle{color:var(--muted)}

.how__steps{
  list-style:none;margin:16px 0 0;padding:0;
  display:grid;gap:14px;grid-template-columns:1fr;
}
.how-step{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:flex-start;padding:16px}
.how-step__num{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(180deg,var(--accent),rgba(199,164,255,.65));
  color:#0f1020;font-weight:800;box-shadow:0 8px 22px rgba(199,164,255,.32)
}
.how-step__title{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;margin-bottom:.3rem}
.how-step__title i{width:20px;height:20px;color:var(--brand)}
.how-step__text{color:var(--text);opacity:.95}
.how-step__badge{
  display:inline-block;margin-top:.5rem;padding:.26rem .54rem;border:1px dashed rgba(102,224,194,.45);
  border-radius:999px;color:var(--brand);font-size:.85rem
}
.how-step__cta{margin-top:.6rem}

.how-tabs{margin-top:16px;padding:12px}
.how-tabs__nav{display:flex;gap:8px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:6px}
.how-tabs__btn{
  flex:1 1 auto;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.6rem;border-radius:10px;border:1px solid transparent;color:var(--muted);
  background:transparent;cursor:pointer;transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.how-tabs__btn i{width:18px;height:18px}
.how-tabs__btn:hover{transform:translateY(-1px);color:#fff;background:rgba(255,255,255,.06)}
.how-tabs__btn.is-active{color:var(--brand-ink);background:linear-gradient(180deg,var(--brand),#49c8ab);border-color:transparent;box-shadow:0 10px 24px rgba(102,224,194,.26)}

.how-tabs__panes{margin-top:12px}
.how-tabs__pane{display:none}
.how-tabs__pane.is-active{display:block}
.how-list{list-style:none;margin:0 0 .6rem;padding:0;display:grid;gap:.4rem}
.how-list__item{display:flex;align-items:center;gap:.5rem;color:var(--text)}
.how-list__item i{width:18px;height:18px;color:var(--brand)}
.how-tabs__cta{margin-top:.4rem}

.how__note{margin-top:12px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem}
.how__note i{width:18px;height:18px;color:var(--brand)}

@media (min-width: 768px){
  .how__title{font-size:2rem}
  .how__steps{grid-template-columns:repeat(3,1fr)}
  .how-step{grid-template-columns:1fr;gap:10px}
  .how-step__num{width:38px;height:38px}
}

/* ===== Benefits ===== */
.benefits__header{margin-bottom:16px;text-align:left}
.benefits__title{font-size:1.6rem}
.benefits__subtitle{color:var(--muted)}

.benefits__list{
  display:grid;gap:14px;margin-top:16px;
  grid-template-columns:1fr;
}
.benefit{
  background:linear-gradient(180deg,rgba(102,224,194,.05),rgba(102,224,194,0));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.benefit:hover{transform:translateY(-4px);border-color:rgba(102,224,194,.3);box-shadow:0 16px 40px rgba(102,224,194,.12)}
.benefit__icon{width:28px;height:28px;color:var(--brand);margin-bottom:.6rem}
.benefit__title{font-size:1.05rem;margin-bottom:.3rem}
.benefit__text{color:var(--text);opacity:.95}

.benefits__cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.benefits__note{margin-top:14px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem}
.benefits__note i{width:18px;height:18px;color:var(--brand)}

@media (min-width:640px){
  .benefits__list{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:992px){
  .benefits__list{grid-template-columns:repeat(3,1fr);gap:16px}
  .benefits__title{font-size:2rem}
}

/* ===== Testimonials ===== */
.testimonials__header{margin-bottom:16px}
.testimonials__title{font-size:1.6rem}
.testimonials__subtitle{color:var(--muted)}

.testimonials__viewport{
  position:relative;overflow:hidden;padding:14px
}
.testimonials__track{
  list-style:none;margin:0;padding:0;display:flex;gap:14px;
  will-change:transform;transition:transform .4s ease;
}
.testimonial-card{
  min-width:100%;flex:0 0 100%;
  background:linear-gradient(180deg, rgba(199,164,255,.05), rgba(199,164,255,0));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);
  padding:18px;display:grid;gap:10px;align-content:start
}
.testimonial-card__figure{display:flex;align-items:center;gap:.8rem}
.testimonial-card__avatar{
  width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.1);object-fit:cover
}
.testimonial-card__meta{display:flex;flex-direction:column}
.testimonial-card__name{font-weight:700}
.testimonial-card__role{color:var(--muted);font-size:.95rem}
.testimonial-card__quote{margin:.2rem 0 0;color:var(--text)}
.testimonial-card__cta{margin-top:.4rem}

.testimonials__controls{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px
}
.testimonials__btn{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.02);
  transition:transform .2s ease, background .2s ease
}
.testimonials__btn:hover{transform:translateY(-1px);background:rgba(255,255,255,.06)}
.testimonials__btn i{width:20px;height:20px}

.testimonials__dots{display:flex;align-items:center;gap:6px}
.testimonials__dot{
  width:8px;height:8px;border-radius:50%;border:none;cursor:pointer;background:rgba(255,255,255,.3);
  transition:transform .2s ease, background .2s ease
}
.testimonials__dot.is-active{background:var(--brand)}
.testimonials__note{margin-top:12px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem}
.testimonials__note i{width:18px;height:18px;color:var(--brand)}

@media (min-width: 768px){
  .testimonials__title{font-size:2rem}
  .testimonial-card{grid-template-columns:1fr auto;align-items:start}
}

/* ===== Contact ===== */
.contact__header{margin-bottom:18px}
.contact__title{font-size:1.6rem}
.contact__subtitle{color:var(--muted)}
.contact__form{
  padding:20px;display:flex;flex-direction:column;gap:12px;margin-top:14px;
}
.contact__fields{
  display:grid;gap:12px;grid-template-columns:1fr;
}
.contact__field{display:flex;flex-direction:column;gap:4px}
.contact__label{font-weight:600;font-size:.95rem;color:#fff}
.contact__input{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:.6rem .8rem;color:#fff;
  font-family:inherit;font-size:1rem;
  transition:border-color .2s ease, background .2s ease;
}
.contact__input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.08)}

.contact__captcha-box{display:flex;align-items:center;gap:10px}
.contact__input--captcha{max-width:100px;text-align:center}
.contact__check{
  display:flex;align-items:flex-start;gap:6px;font-size:.9rem;color:var(--muted);
}
.contact__check a{color:var(--brand)}
.contact__submit{align-self:flex-start;margin-top:.4rem}
.contact__success{margin-top:.6rem;color:var(--brand)}
.contact__note{margin-top:16px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem}
.contact__note i{width:18px;height:18px;color:var(--brand)}

@media (min-width: 640px){
  .contact__fields{grid-template-columns:repeat(3,1fr)}
  .contact__title{font-size:2rem}
}

/* ===== Cookie Pop-up ===== */
.cookie{
  position:fixed;inset:auto 0 16px 0;display:grid;place-items:center;z-index:60;
  padding:0 12px;
}
.cookie__inner{
  width:100%;max-width:920px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:12px 14px;border-radius:16px;background:rgba(21,24,50,.96);
  border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.cookie__text{display:flex;align-items:flex-start;gap:10px;color:var(--text)}
.cookie__text i{width:20px;height:20px;color:var(--brand);flex:0 0 auto;margin-top:.2rem}
.cookie__text a{color:var(--brand)}
.cookie__btn{flex:0 0 auto}

@media (min-width: 640px){
  .cookie__inner{padding:14px 16px}
}