:root{--bg:#111315;--orange:#ff6b00;--muted:#a7aaad;--white:#f7f7f4}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--white);font-family:Manrope,Arial,sans-serif}.hero{min-height:100vh;padding:28px clamp(24px,6vw,96px);position:relative;overflow:hidden;background:radial-gradient(circle at 85% 25%,#432109 0,transparent 30%),linear-gradient(115deg,#101214 45%,#21170e)}nav{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:2}.logo{display:block;width:124px;filter:drop-shadow(0 8px 16px #0008)}.logo img{width:100%;display:block}.nav-link{color:#d4d4d2;text-decoration:none;font-size:14px}.hero-copy{max-width:720px;position:relative;z-index:2;padding-top:clamp(100px,17vh,180px)}.eyebrow{color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin:0 0 22px}.hero h1,h2{font-family:Unbounded,sans-serif;letter-spacing:-.07em;line-height:1.02;margin:0}.hero h1{font-size:clamp(43px,6.3vw,91px)}.lead{font-size:18px;line-height:1.65;max-width:570px;color:#dcddda;margin:32px 0}.button{display:inline-flex;gap:22px;align-items:center;background:var(--orange);padding:17px 22px;border-radius:2px;color:#111;text-decoration:none;font-weight:800;transition:transform .25s ease,background .25s ease}.button:hover{transform:translateY(-4px);background:#ff801d}.button b{font-size:21px}.note{color:var(--muted);font-size:13px;margin-top:17px}.hero-parts{position:absolute;right:-4vw;bottom:-8vw;width:59vw;z-index:1;opacity:.88}.hero-parts img{width:100%;display:block;mix-blend-mode:screen;mask-image:linear-gradient(to left,#000 68%,transparent);animation:float 7s ease-in-out infinite}.statement,.how,.tariffs,.cta{padding:clamp(80px,12vw,170px) clamp(24px,9vw,150px)}.statement{background:#f2f1ed;color:#151515;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(35px,7vw,110px)}.statement h2,.how h2,.tariffs h2,.cta h2{font-size:clamp(32px,4vw,63px)}em{font-style:normal;color:var(--orange)}.statement-copy>p:last-child{font-size:18px;line-height:1.7;max-width:610px;margin:35px 0 0}.statement-image{width:100%;max-height:520px;object-fit:cover;box-shadow:18px 18px 0 var(--orange)}.how{background:#17191a}.section-head{display:flex;justify-content:space-between;gap:40px;margin-bottom:65px}.how ol{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #4a4a48}.how li{padding:28px 28px 0 0}.how li+li{border-left:1px solid #4a4a48;padding-left:28px}.how b{color:var(--orange);font-size:13px}.how h3{font-size:21px;margin:60px 0 12px}.how li p{color:var(--muted);line-height:1.7;font-size:15px}.tariffs{background:#101112}.free-selection{max-width:640px;border-left:4px solid var(--orange);padding:8px 0 8px 24px;margin-bottom:clamp(75px,10vw,130px)}.free-selection span{display:block;color:var(--muted);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.free-selection strong{display:block;margin:8px 0;font:700 clamp(32px,4vw,50px) Unbounded,sans-serif;letter-spacing:-.07em;color:var(--orange)}.free-selection p{margin:0;color:#d4d4d2;line-height:1.6}.tariffs h2{max-width:700px;margin-bottom:50px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,360px));gap:16px}.cards article{border:1px solid #3d3e3c;padding:30px;display:flex;flex-direction:column;gap:12px;transition:transform .25s}.cards article:hover{transform:translateY(-7px)}.cards article p{margin:0;color:var(--orange);font-size:12px;font-weight:800;letter-spacing:.13em}.cards strong{font:700 52px Unbounded,sans-serif;letter-spacing:-.08em}.cards span{color:var(--muted)}.cards a{color:var(--white);font-weight:800;margin-top:24px;text-decoration:none}.accent{background:var(--orange);color:#141414;border-color:var(--orange)!important}.accent p{color:#141414!important}.accent span{color:#3e260e!important}.accent a{color:#141414!important}.cta{text-align:center;background:linear-gradient(120deg,#241409,#111315);position:relative;overflow:hidden}.cta h2{margin-bottom:36px}@keyframes float{50%{transform:translateY(-12px)}}@media(max-width:720px){.hero{min-height:760px}.hero-parts{width:112vw;right:-42vw;bottom:-4vw;opacity:.56}.statement{grid-template-columns:1fr}.statement-image{max-height:360px;box-shadow:10px 10px 0 var(--orange)}.section-head{display:block}.how ol,.cards{grid-template-columns:1fr}.how li+li{border-left:0;border-top:1px solid #4a4a48;padding-left:0;margin-top:28px}.statement-copy>p:last-child{font-size:16px}.hero h1{font-size:48px}}

/* Блоки пользы, категорий и живой технической инфографики */
.brake-animation{height:360px;position:relative;max-width:400px;margin:auto;width:100%;display:grid;place-items:center}.brake-disc{width:276px;height:276px;border-radius:50%;background:repeating-conic-gradient(#a7aaa8 0 5deg,#515553 5deg 9deg,#c8cbc8 9deg 13deg);border:18px solid #727675;box-shadow:0 0 0 12px #303332,0 0 45px #ff6b003b;animation:brake-spin 2.5s linear infinite}.brake-disc:after{content:"";display:block;width:55%;height:55%;margin:22.5%;border-radius:50%;background:#151716;border:12px dotted #959895}.brake-hub{position:absolute;width:74px;height:74px;border-radius:50%;background:#252827;border:10px solid #c2c5c1;box-shadow:0 0 0 6px #303331}.brake-pad{position:absolute;right:0;top:112px;width:110px;height:105px;background:#b96a20;border:8px solid #202220;border-left-width:13px;border-radius:8px 0 0 8px;transform:translateX(75px);animation:pad-press 6s ease-in-out infinite}.brake-pad i{position:absolute;left:-8px;top:15px;width:8px;height:60px;background:#ff6b00;animation:friction-wear 6s ease-in-out infinite}.spark{opacity:0;position:absolute;right:100px;top:145px;width:70px;height:5px;background:linear-gradient(90deg,#fff9b8,#ffb000,transparent);transform-origin:left center;animation:spark 6s linear infinite}.spark-two{transform:rotate(25deg);top:162px}.spark-three{transform:rotate(-23deg);top:129px}.spark-four{transform:rotate(48deg);top:181px;width:50px}@keyframes brake-spin{to{transform:rotate(360deg)}}@keyframes pad-press{0%,28%{transform:translateX(75px)}42%,100%{transform:translateX(3px)}}@keyframes friction-wear{0%,28%{height:60px;opacity:1}42%,100%{height:7px;opacity:.45;background:#d7d9d3}}@keyframes spark{0%,40%{opacity:0;transform:translateX(0) scaleX(.3)}44%,90%{opacity:1;transform:translateX(-42px) scaleX(1)}100%{opacity:0;transform:translateX(-55px) scaleX(.1)}}
@media(max-width:720px){.brake-animation{height:300px;transform:scale(.83)}}
.value,.result,.categories,.motion-demo{padding:clamp(80px,12vw,170px) clamp(24px,9vw,150px)}
.value{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(35px,7vw,110px);align-items:center;background:#161819}.value h2,.result h2,.categories h2,.motion-demo h2{font:700 clamp(32px,4vw,63px) Unbounded,sans-serif;letter-spacing:-.07em;line-height:1.02;margin:0}.lead-copy,.categories>div>p:last-of-type,.motion-demo>div>p:last-of-type{line-height:1.75;color:#c5c6c4;font-size:17px;margin:32px 0}.value-image{width:100%;min-height:340px;object-fit:cover;box-shadow:-18px 18px 0 var(--orange);animation:float 7s ease-in-out infinite}.benefits{list-style:none;padding:0;margin:36px 0 0;border-top:1px solid #3d3f3d}.benefits li{display:flex;gap:18px;padding:17px 0;border-bottom:1px solid #3d3f3d;line-height:1.5}.benefits b{color:var(--orange);font-size:12px;padding-top:3px}.result{background:#f2f1ed;color:#151515}.result .eyebrow{margin-bottom:22px}.result h2{max-width:780px;margin-bottom:55px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.result-grid article{background:#fff;padding:28px;min-height:240px;border-top:4px solid var(--orange);transition:transform .3s ease,box-shadow .3s ease}.result-grid article:hover{transform:translateY(-8px);box-shadow:10px 12px 0 #161819}.result-grid span{font:800 12px Manrope,sans-serif;color:var(--orange);letter-spacing:.13em}.result-grid h3{font:700 21px Manrope,sans-serif;line-height:1.25;margin:52px 0 12px}.result-grid p{margin:0;line-height:1.6;color:#5c5d5b}.categories{display:grid;grid-template-columns:1fr .92fr;align-items:center;gap:clamp(35px,7vw,110px);background:#0f1011}.categories img{width:100%;min-height:430px;object-fit:cover;box-shadow:18px 18px 0 var(--orange)}.category-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:35px}.category-tags span{border:1px solid #4b4c4a;padding:11px 13px;font-size:13px;color:#eee;transition:background .25s,transform .25s}.category-tags span:hover{background:var(--orange);color:#161616;border-color:var(--orange);transform:translateY(-3px)}.motion-demo{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:linear-gradient(115deg,#28170b,#121314)}.suspension{height:360px;position:relative;max-width:350px;margin:auto;width:100%;display:flex;align-items:center;flex-direction:column}.suspension-top,.suspension-base{width:82%;height:18px;background:#dadbd7;box-shadow:0 0 22px #fff4}.suspension-top{margin-top:24px}.suspension-base{margin-top:auto;margin-bottom:42px}.spring{width:112px;height:185px;border-left:12px solid transparent;border-right:12px solid transparent;background:repeating-linear-gradient(135deg,transparent 0 10px,#ff6b00 11px 17px,transparent 18px 28px),repeating-linear-gradient(45deg,transparent 0 10px,#ff6b00 11px 17px,transparent 18px 28px);filter:drop-shadow(0 0 12px #ff6b0080);animation:spring 1.8s ease-in-out infinite}.shock{position:absolute;left:calc(50% - 7px);top:36px;width:14px;height:260px;background:#bfc1bd;z-index:-1}.suspension i{position:absolute;bottom:4px;color:#aaa;font-size:10px;font-style:normal;letter-spacing:.16em}@keyframes spring{50%{transform:scaleY(.63)}}.cta>p:not(.eyebrow){color:#c8c9c6;line-height:1.6;margin:-18px 0 30px}footer{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:28px clamp(24px,6vw,96px);background:#090a0a;color:#999;font-size:12px}footer img{width:72px}footer p{margin:0}@media(max-width:720px){.value,.categories,.motion-demo{grid-template-columns:1fr}.value-image{box-shadow:-10px 10px 0 var(--orange);min-height:250px}.result-grid{grid-template-columns:1fr}.categories img{min-height:280px;box-shadow:10px 10px 0 var(--orange)}.motion-demo{gap:15px}.suspension{height:300px}.value,.result,.categories,.motion-demo{padding:80px 24px}footer{align-items:flex-start;flex-direction:column}.result-grid article{min-height:unset}}
/* Выразительный, но читаемый ритм во всех заголовках лендинга. */
h1,
h2,
h3 {
  letter-spacing: 0.035em !important;
}

/* Крупный заголовок требует более заметного воздуха между символами. */
.hero h1 {
  letter-spacing: 0.085em !important;
}

h2 {
  letter-spacing: 0.06em !important;
}

h3 {
  letter-spacing: 0.045em !important;
}

@media (max-width: 720px) {
  .hero h1 {
    font-size: 48px;
    letter-spacing: 0.025em !important;
  }

  .hero-part-name {
    display: block;
    font-size: clamp(26px, 8vw, 32px);
    letter-spacing: 0.02em;
  }

  h2 {
    letter-spacing: 0.025em !important;
  }

  h3 {
    letter-spacing: 0.02em !important;
  }
}

/* Блок о каталожном номере: полный кадр и компактная высота. */
.value {
  padding-top: clamp(64px, 7vw, 100px);
  padding-bottom: clamp(64px, 7vw, 100px);
}

.value-image {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 720px) {
  .value {
    padding: 64px 24px;
  }

  .value-image {
    min-height: 0;
  }
}

/* Блок категорий: без растяжения и обрезания изображения. */
.categories {
  padding-top: clamp(64px, 7vw, 100px);
  padding-bottom: clamp(64px, 7vw, 100px);
}

.categories img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  object-fit: contain;
  object-position: center;
}

@media (max-width: 720px) {
  .categories {
    padding: 64px 24px;
  }

  .categories img {
    min-height: 0;
  }
}

/* Первый экран: компактная навигация и фон в естественной пропорции. */
.hero nav {
  align-items: flex-start;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid #ffffff1f;
  background: #0b0c0de6;
  box-shadow: 0 12px 28px #0005;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  color: #f2f2ef;
  font-size: 12px;
  font-weight: 800;
  transition: color .2s ease, background .2s ease;
}

.nav-link span {
  color: var(--orange);
  font-size: 10px;
  letter-spacing: .08em;
}

.nav-link:hover {
  background: #ffffff10;
  color: var(--orange);
}

.hero-copy {
  padding-top: clamp(58px, 7vw, 100px);
}

.hero-parts {
  top: 118px;
  right: -4vw;
  bottom: auto;
  width: min(65vw, 900px);
}

.hero-parts img {
  height: auto;
  max-height: none;
  object-fit: contain;
}

@media (max-width: 720px) {
  .hero {
    min-height: 780px;
  }

  .hero nav {
    align-items: center;
  }

  .logo {
    width: 92px;
  }

  .nav-menu {
    gap: 0;
    padding: 3px;
  }

  .nav-link {
    gap: 5px;
    padding: 8px 7px;
    font-size: 10px;
  }

  .nav-link span {
    font-size: 8px;
  }

  .hero-copy {
    padding-top: 62px;
  }

  .hero-parts {
    top: auto;
    right: -78vw;
    bottom: -2vw;
    width: 150vw;
    opacity: .48;
  }
}

/* Тарифы: компактная композиция без пустых вертикальных пауз. */
.tariffs {
  padding-top: clamp(64px, 7vw, 100px);
  padding-bottom: clamp(64px, 7vw, 100px);
}

.free-selection {
  margin-bottom: clamp(48px, 5vw, 72px);
}

.tariffs h2 {
  margin-bottom: 34px;
}

.cards {
  gap: 14px;
}

.cards article {
  min-height: 0;
  padding: 24px;
  gap: 9px;
}

.cards strong {
  font-size: clamp(40px, 3.4vw, 48px);
}

.cards a {
  margin-top: 16px;
}

@media (max-width: 720px) {
  .tariffs {
    padding: 64px 24px;
  }

  .free-selection {
    margin-bottom: 46px;
  }

  .tariffs h2 {
    margin-bottom: 28px;
  }

  .cards article {
    padding: 22px;
  }
}

/* Умеренный интервал: заголовки остаются собранными и легко читаются. */
html { scroll-behavior: smooth; }

.hero h1 { letter-spacing: .055em !important; }
h2 { letter-spacing: .04em !important; }
h3 { letter-spacing: .028em !important; }

@media (max-width: 720px) {
  .hero h1 { letter-spacing: .018em !important; }
  h2 { letter-spacing: .018em !important; }
  h3 { letter-spacing: .012em !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}