/* ========= Этап 0: Глобальные стилі ========= */
:root{
  --bg:#0d1117;
  --text:#eaf2ff;
  --muted:#a7b1c5;
  --brand:#4ad7d1;      /* мятно-бирюзовый */
  --brand-ink:#0b2f2e;  /* темный для контраста */
  --accent:#ffb86b;     /* абрикосовый акцент */
  --card:#121826;
  --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{
  background:
    radial-gradient(900px 500px at 90% -10%, rgba(74,215,209,.14), transparent 60%),
    radial-gradient(700px 400px at 10% 0%, rgba(255,184,107,.12), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3{
  font-family:Rubik, 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}
.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(13,17,23,.92), rgba(13,17,23,.6));
  backdrop-filter:saturate(120%) blur(10px);
  border-bottom:1px solid rgba(255,184,107,.15);
}
.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:1.08rem}
.logo__glyph{
  width:24px;height:24px;border-radius:9px;
  background:
    radial-gradient(circle at 70% 30%, var(--accent), transparent 55%),
    conic-gradient(from 210deg at 50% 50%, var(--brand) 0 40%, transparent 40% 100%),
    linear-gradient(135deg, #182033, #0e1526);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12), 0 4px 14px rgba(74,215,209,.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(255,184,107,.08);box-shadow:0 6px 20px rgba(255,184,107,.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), #36c9c3);
  color:var(--brand-ink);
  box-shadow:0 10px 25px rgba(74,215,209,.28);
}
.button--primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(74,215,209,.35)}
.button--ghost{background:transparent;border-color:rgba(255,255,255,.18);color:#fff}
.button--ghost:hover{background:rgba(255,255,255,.06)}

/* ========= Footer ========= */
.footer{margin-top:56px;background:linear-gradient(180deg, #121826, #0e1526);border-top:1px solid rgba(255,184,107,.15)}
.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(255,184,107,.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:#0d1117}
.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}

  .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 (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}

/* ===== Hero ===== */
.hero{position:relative;isolation:isolate;padding-top:72px}
.hero__bg{position:absolute;inset:0;z-index:-1;width:100%;height:100%;filter:contrast(110%) saturate(112%)}
.hero__container{display:grid;gap:20px;grid-template-columns:1fr;align-items:stretch}
.hero__content{position:relative;overflow:hidden;padding:22px;border-radius:var(--radius)}
.hero__content::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:radial-gradient(600px 300px at 0% 0%, rgba(255,184,107,.06), transparent 60%);
}
.hero__eyebrow{color:var(--muted);font-weight:600;letter-spacing:.2px;margin-bottom:.4rem}
.hero__title{font-size:2rem;margin:0 0 .4rem}
.hero__title-accent{
  display:block;
  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)}
.hero__link:hover{transform:translateY(-1px);color:#fff;background:rgba(255,184,107,.08);transition:.2s}
.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}

@media (min-width: 768px){
  .hero__container{grid-template-columns:1.15fr .85fr;gap:22px}
  .hero__title{font-size:2.6rem}
  .hero__content{padding:28px}
}

/* ===== Scenarios ===== */
.scenarios__header{margin-bottom:14px}
.scenarios__title{font-size:1.6rem}
.scenarios__subtitle{color:var(--muted)}

.scenarios__filters{
  display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 6px
}
.scenarios__filter{
  display:inline-flex;align-items:center;gap:.45rem;padding:.5rem .7rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.02);color:var(--muted);cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.scenarios__filter i{width:18px;height:18px}
.scenarios__filter:hover{transform:translateY(-1px);background:rgba(255,255,255,.06);color:#fff}
.scenarios__filter.is-active{background:linear-gradient(180deg,var(--brand),#36c9c3);color:var(--brand-ink);border-color:transparent;box-shadow:0 10px 24px rgba(74,215,209,.26)}

.scenarios__grid{
  display:grid;gap:14px;margin-top:12px;
  grid-template-columns:1fr;
}
.scenario-card{overflow:hidden;padding:0}
.scenario-card__img{width:100%;height:168px;object-fit:cover;border-bottom:1px solid rgba(255,255,255,.08)}
.scenario-card__body{padding:14px}
.scenario-card__title{display:flex;align-items:center;gap:.5rem;font-size:1.05rem;margin:0 0 .3rem}
.scenario-card__title i{width:20px;height:20px;color:var(--brand)}
.scenario-card__text{color:var(--text);opacity:.95}
.scenario-card__cta{margin-top:.6rem}

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

.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease, transform .45s ease}
.reveal--in{opacity:1;transform:none}

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

/* ===== Tools ===== */
.tools__header{margin-bottom:16px}
.tools__title{font-size:1.6rem}
.tools__subtitle{color:var(--muted)}

.tools__grid{
  display:grid;gap:14px;margin-top:14px;
  grid-template-columns:1fr;
}
.tool-card{padding:16px}
.tool-card__head{display:flex;align-items:center;gap:.6rem;margin-bottom:.3rem}
.tool-card__icon{width:26px;height:26px;color:var(--brand)}
.tool-card__title{font-size:1.05rem;margin:0}
.tool-card__text{color:var(--text);opacity:.95;margin-top:.2rem}
.tool-card__tags{list-style:none;margin:.6rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tool-card__tags li{
  border:1px dashed rgba(74,215,209,.45);border-radius:999px;
  padding:.28rem .56rem;font-size:.85rem;color:var(--brand)
}
.tool-card__cta{margin-top:.7rem}

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

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

/* ===== Guides ===== */
.guides__header{margin-bottom:16px}
.guides__title{font-size:1.6rem}
.guides__subtitle{color:var(--muted)}

.guides__grid{
  display:grid;gap:14px;margin-top:14px;
  grid-template-columns:1fr;
}
.guide{padding:16px}
.guide__head{display:flex;align-items:center;gap:.6rem}
.guide__icon{width:26px;height:26px;color:var(--brand)}
.guide__title{font-size:1.05rem;margin:0}
.guide__toggle{
  margin:.5rem 0 0;display:inline-flex;align-items:center;gap:.45rem;
  padding:.5rem .7rem;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.02);color:var(--muted);cursor:pointer;
  transition:background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
}
.guide__toggle:hover{transform:translateY(-1px);background:rgba(255,255,255,.06);color:#fff}
.guide__toggle[aria-expanded="true"]{background:linear-gradient(180deg,var(--brand),#36c9c3);color:var(--brand-ink);border-color:transparent;box-shadow:0 10px 24px rgba(74,215,209,.26)}
.guide__steps{margin:.6rem 0 0;padding-left:1.1rem;color:var(--text)}
.guide__steps li{margin:.3rem 0}
.guide__cta{margin-top:.7rem}

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

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

/* ===== Cases ===== */
.cases__header{margin-bottom:16px}
.cases__title{font-size:1.6rem}
.cases__subtitle{color:var(--muted)}

.cases__grid{
  display:grid;gap:14px;margin-top:14px;
  grid-template-columns:1fr;
}
.case-card{padding:16px}
.case-card__head{display:grid;grid-template-columns:auto 1fr auto;gap:.6rem;align-items:center;margin-bottom:.4rem}
.case-card__icon{width:26px;height:26px;color:var(--brand)}
.case-card__title{margin:0;font-size:1.05rem}
.case-card__tag{
  padding:.26rem .56rem;border-radius:999px;font-size:.82rem;
  border:1px dashed rgba(74,215,209,.45);color:var(--brand)
}
.case-card__text{color:var(--text);opacity:.95}

.case-metrics{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:.7rem
}
.case-metric{
  border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:.6rem .7rem;
  background:rgba(255,255,255,.02);
}
.case-metric--before{border-color:rgba(255,184,107,.25)}
.case-metric--after{
  border-color:rgba(74,215,209,.35);
  box-shadow:0 8px 22px rgba(74,215,209,.14) inset;
}
.case-metric__label{display:inline-block;margin-bottom:.2rem;color:var(--muted);font-size:.9rem}
.case-metric__value{display:block;font-size:1.1rem}
.case-metric__note{display:block;color:var(--muted);font-size:.9rem}

.case-card__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:.8rem}

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

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

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

.testimonials__grid{
  display:grid;gap:14px;margin-top:14px;
  grid-template-columns:1fr;
}
.testimonial{padding:18px;display:flex;flex-direction:column;justify-content:space-between}
.testimonial__quote{position:relative;padding-left:26px;font-style:italic;color:var(--text)}
.testimonial__quote i{
  position:absolute;left:0;top:0;width:18px;height:18px;color:var(--brand);opacity:.6
}
.testimonial__author{margin-top:14px;display:flex;align-items:center;gap:.7rem}
.testimonial__avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--brand)}
.testimonial__author strong{color:#fff;font-weight:600}
.testimonial__author span{color:var(--muted);font-size:.9rem}

.testimonials__note{margin-top:16px;color:var(--muted);display:flex;align-items:center;gap:.5rem;font-size:.95rem;text-align:center;justify-content:center}
.testimonials__note i{width:18px;height:18px;color:var(--brand)}

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

/* ===== 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:inherit;
  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:110px;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(18,24,38,.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}
}