:root{
  /* Minimal black & white palette */
  --primary: #0b0b0b;
  --primary-2:#1a1a1a;
  --accent:  #f5f5f5;
  --accent-2:#bfbfbf;
  --neutral: #f2f2f2;
  --text:    #f8f8f8;
  --muted:   rgba(248,248,248,.72);
  --card:    rgba(255,255,255,.06);
  --stroke:  rgba(255,255,255,.12);
  --shadow:  0 18px 60px rgba(0,0,0,.40);
  --radius:  18px;
  --radius2: 24px;
  --header-height: 0px;

  --container: 1120px;
  --pad: clamp(18px, 3.2vw, 34px);
  --pad2: clamp(14px, 2.4vw, 22px);

  --h1: clamp(36px, 5.6vw, 64px);
  --h2: clamp(22px, 3.2vw, 34px);
  --h3: clamp(16px, 2.2vw, 20px);
  --p:  clamp(14px, 1.65vw, 16px);

  --ease: cubic-bezier(.2,.8,.2,1);
}

*{ box-sizing:border-box; }
html{
  scroll-behavior:smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 600px at 15% 12%, rgba(255,255,255,.12), transparent 60%),
    radial-gradient(700px 520px at 85% 28%, rgba(255,255,255,.08), transparent 62%),
    radial-gradient(900px 800px at 50% 120%, rgba(255,255,255,.10), transparent 58%),
    linear-gradient(180deg, #050505 0%, var(--primary) 45%, #000000 100%);
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
.container{
  width: min(var(--container), calc(100% - (var(--pad) * 2)));
  margin: 0 auto;
}

/* Subtle grain */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.08;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,.6) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 40%, rgba(255,255,255,.6) 0 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, rgba(255,255,255,.6) 0 1px, transparent 1px);
  background-size: 280px 280px, 360px 360px, 420px 420px;
  mix-blend-mode: overlay;
}

/* Header */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(0,0,0,.78), rgba(0,0,0,.40));
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: transform .28s var(--ease);
  will-change: transform;
}
header.is-hidden{
  transform: translateY(-100%);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 14px 0;
  flex-wrap: wrap;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 0;
}
.logo{
  width: 38px; height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  display:block;
  object-fit: cover;
  object-position: center;
  background: rgba(255,255,255,.06);
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.brand strong{
  display:block;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: 14px;
  line-height:1.1;
  white-space: nowrap;
}
.brand span{
  display:block;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow:hidden;
  text-overflow: ellipsis;
}
nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}

@media (max-width: 720px){
  .nav{
    align-items:flex-start;
  }
  nav{
    width: 100%;
    justify-content:flex-start;
  }
  .nav a.link{
    padding: 6px 8px;
  }
  .btns{
    width: 100%;
    justify-content:flex-start;
    flex-wrap: nowrap;
    order: 3;
  }
  .btns .btn{
    width: auto;
    flex: 1 1 auto;
    justify-content:center;
  }
  .nav .socials{
    order: 2;
    margin-left: 4px;
  }
  .nav a.link{
    order: 1;
  }
}
.nav a.link{
  padding: 8px 10px;
  border-radius: 12px;
  color: rgba(234,243,244,.92);
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  font-size: 14px;
}
.nav a.link:hover{
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
  transform: translateY(-1px);
}

.btns{
  display:flex;
  gap: 10px;
  align-items:center;
}
.socials{
  display:flex;
  align-items:center;
  gap: 8px;
}
.social-link{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.16);
  display:grid;
  place-items:center;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.06);
  box-shadow: 0 10px 26px rgba(0,0,0,.18);
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.social-link svg{
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.social-link:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.3);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 650;
  font-size: 14px;
  letter-spacing: .01em;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  will-change: transform;
}
.btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0,0,0,.24);
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.22);
}
.btn:active{ transform: translateY(0); }
.btn.primary{
  border-color: rgba(255,255,255,.35);
  background:
    radial-gradient(90% 140% at 10% 20%, rgba(255,255,255,.28), rgba(255,255,255,.10) 55%, transparent 70%),
    linear-gradient(135deg, rgba(190,190,190,.26), rgba(255,255,255,.18));
}
.btn .dot{
  width: 10px; height: 10px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(255,255,255,.12);
}
.header-call .dot{
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{ transform: scale(1); box-shadow: 0 0 0 5px rgba(255,255,255,.12); }
  50%{ transform: scale(1.2); box-shadow: 0 0 0 6px rgba(255,255,255,.18); }
}

/* Hero */
.hero{
  padding: clamp(34px, 6vw, 74px) 0 clamp(22px, 5vw, 56px);
  position:relative;
}
.hero-grid{
  display:grid;
  gap: clamp(18px, 3.2vw, 34px);
  grid-template-columns: 1fr;
  align-items:center;
}
@media (min-width: 980px){
  .hero-grid{ grid-template-columns: 1.15fr .85fr; }
}

.kicker{
  display:inline-flex;
  gap: 10px;
  align-items:center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(234,243,244,.92);
  font-size: 13px;
  width: fit-content;
}
.kicker .pill{
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.92);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

h1{
  font-size: var(--h1);
  line-height: 1.05;
  margin: 14px 0 10px;
  letter-spacing: -0.02em;
}
.headline-accent{
  background: linear-gradient(90deg, #ffffff 0%, #e0e0e0 45%, #bfbfbf 100%);
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
  text-shadow: 0 8px 40px rgba(255,255,255,.08);
}

.lead{
  font-size: clamp(15px, 2.0vw, 18px);
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 58ch;
}

.hero-actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items:center;
  margin-top: 14px;
}
.hero-actions .socials{
  margin-left: 2px;
}
.meta{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items:center;
  margin-top: 18px;
  color: rgba(234,243,244,.74);
  font-size: 13px;
}
.meta .item{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

/* Promo card */
.promo{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(120% 110% at 20% 10%, rgba(255,255,255,.14), transparent 60%),
    radial-gradient(120% 110% at 80% 80%, rgba(200,200,200,.18), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.promo-inner{
  padding: clamp(18px, 3.4vw, 28px);
}
.promo h2{
  font-size: var(--h2);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.promo p{
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.6;
  font-size: var(--p);
}
.promo .mini-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 560px){
  .promo .mini-grid{ grid-template-columns: 1fr 1fr; }
}
.mini{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.25);
  padding: 12px 12px;
  display:flex;
  gap: 10px;
  align-items:flex-start;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.mini:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
}
.mini .icon{
  width: 34px; height: 34px;
  border-radius: 12px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  flex: 0 0 auto;
}
.mini strong{
  display:block;
  font-size: 14px;
  margin-bottom: 2px;
}
.mini span{
  display:block;
  font-size: 13px;
  color: rgba(234,243,244,.74);
  line-height: 1.35;
}

/* Sections */
section{
  padding: clamp(26px, 5vw, 54px) 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.section-head h2{
  font-size: var(--h2);
  margin: 0;
  letter-spacing: -0.01em;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: var(--p);
  max-width: 60ch;
}

.cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px){
  .cards{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1040px){
  .cards{ grid-template-columns: repeat(4, 1fr); }
}
.card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  padding: 16px;
  box-shadow: 0 16px 50px rgba(0,0,0,.18);
  transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
  position:relative;
  overflow:hidden;
  min-height: 158px;
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(700px 240px at 15% 20%, rgba(255,255,255,.12), transparent 60%),
    radial-gradient(700px 240px at 90% 90%, rgba(190,190,190,.12), transparent 55%);
  opacity:.6;
  pointer-events:none;
}
.card:hover{
  transform: translateY(-4px);
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.18);
}
.card .top{
  display:flex;
  align-items:center;
  gap: 12px;
  position:relative;
  z-index:1;
}
.badge{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 20px;
  flex: 0 0 auto;
}
.card h3{
  margin: 0;
  font-size: var(--h3);
  letter-spacing: -.01em;
}
.card p{
  position:relative;
  z-index:1;
  margin: 10px 0 0;
  color: rgba(234,243,244,.78);
  line-height: 1.6;
  font-size: var(--p);
}

/* Contact block */
.contact{
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(120% 100% at 20% 10%, rgba(255,255,255,.12), transparent 60%),
    radial-gradient(120% 100% at 80% 80%, rgba(190,190,190,.16), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.contact-inner{
  padding: clamp(18px, 3.4vw, 28px);
  display:grid;
  gap: 14px;
  grid-template-columns: 1fr;
  align-items:center;
}
@media (min-width: 980px){
  .contact-inner{ grid-template-columns: 1.15fr .85fr; }
}

.contact h2{ margin:0 0 10px; font-size: var(--h2); }
.contact p{ margin:0; color: var(--muted); line-height:1.6; font-size: var(--p); }

.contact-items{
  display:grid;
  gap: 10px;
  margin-top: 14px;
}
.ci{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.ci:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
}
.ci .ico{
  width: 40px; height: 40px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  flex: 0 0 auto;
}
.ci .ico svg{
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.ci strong{ display:block; font-size: 14px; margin-bottom: 2px; }
.ci a, .ci span{ color: rgba(234,243,244,.86); font-size: 14px; line-height:1.35; }
.ci small{ display:block; color: rgba(234,243,244,.62); margin-top: 2px; }

/* Footer */
footer{
  padding: 26px 0 34px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.45));
}
.foot{
  display:flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items:center;
  justify-content:space-between;
  color: rgba(234,243,244,.76);
  font-size: 13px;
}
.foot .credit-line{
  width: 100%;
  text-align: center;
  color: rgba(234,243,244,.55);
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 10px;
  margin-top: 6px;
}
.foot .credit-line a{
  color: inherit;
}
.foot .contacts{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items:center;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.foot .contacts .chip svg{
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Reveal on scroll */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  filter: blur(2px);
  transition: opacity .7s var(--ease), transform .7s var(--ease), filter .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in{
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Small helper */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}