:root{
  --bg: #070A12;
  --bg2:#050817;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);

  --a: #7C3AED;     /* violet */
  --b: #06B6D4;     /* cyan */
  --c: #22C55E;     /* green */
  --shadow: 0 18px 55px rgba(0,0,0,.55);

  --radius: 18px;
  --radius2: 26px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(124,58,237,.22), transparent 60%),
              radial-gradient(1100px 700px at 90% 30%, rgba(6,182,212,.18), transparent 60%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

a{ color: inherit; text-decoration: none; }
.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

/* 3D canvas */
#bg3d{
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  display:block;
}
.bg-glow{
  position: fixed;
  inset: -20%;
  background:
    radial-gradient(600px 420px at 15% 12%, rgba(124,58,237,.22), transparent 65%),
    radial-gradient(700px 520px at 85% 25%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(620px 520px at 55% 90%, rgba(34,197,94,.10), transparent 62%);
  filter: blur(30px);
  z-index: -2;
  pointer-events:none;
}

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(6,8,15,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.logo{
  display:flex;
  align-items:center;
  gap: 10px;
}
.logo__mark{
  width: 36px; height: 36px;
  display:grid; place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(6,182,212,.85));
  box-shadow: 0 10px 30px rgba(124,58,237,.18);
  font-weight: 800;
  letter-spacing: .5px;
}
.logo__text{
  font-weight: 700;
  opacity: .95;
}
.logo--small .logo__mark{ width: 32px; height: 32px; border-radius: 11px; }

.nav{
  display:flex;
  gap: 18px;
  align-items:center;
}
.nav__link{
  font-size: 14px;
  color: rgba(255,255,255,.78);
  padding: 8px 10px;
  border-radius: 10px;
  transition: .2s ease;
}
.nav__link:hover{
  color: rgba(255,255,255,.95);
  background: rgba(255,255,255,.06);
}

.header__actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

.burger{
  display:none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer;
}
.burger span{
  display:block;
  width: 18px; height: 2px;
  background: rgba(255,255,255,.86);
  margin: 4px auto;
  border-radius: 2px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  cursor:pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  font-weight: 600;
  font-size: 14px;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.18); }
.btn:active{ transform: translateY(0px); }

.btn--primary{
  border: none;
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(6,182,212,.9));
  box-shadow: 0 18px 50px rgba(6,182,212,.14);
}
.btn--primary:hover{ background: linear-gradient(135deg, rgba(124,58,237,1), rgba(6,182,212,1)); }
.btn--ghost{
  background: rgba(255,255,255,.04);
}
.btn--glass{
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.10);
}

/* Hero */
.hero{
  position: relative;
  padding: 64px 0 18px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 26px;
  align-items: stretch;
}
.pill{
  display:inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.82);
  font-size: 13px;
}
.hero__title{
  margin: 14px 0 12px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.hero__subtitle{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 54ch;
}
.hero__cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 18px;
}
.stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.stat{
  padding: 14px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.stat__value{
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.stat__label{
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.70);
}

.hero__card{
  display:flex;
}
.card{
  width:100%;
  border-radius: var(--radius2);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  overflow:hidden;
  position: relative;
}
.card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(520px 280px at 20% 10%, rgba(124,58,237,.25), transparent 60%),
              radial-gradient(520px 280px at 90% 40%, rgba(6,182,212,.22), transparent 62%);
  filter: blur(18px);
  opacity:.85;
  z-index:0;
}
.card > *{ position: relative; z-index:1; }

.card__top{
  display:flex;
  align-items:center;
  gap: 12px;
  padding: 18px 18px 12px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.card__chip{
  width: 12px; height: 12px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--a), var(--b));
  box-shadow: 0 8px 20px rgba(124,58,237,.25);
}
.card__title{
  font-weight: 700;
  color: rgba(255,255,255,.86);
}
.card__body{ padding: 18px; }

.meter{ margin-bottom: 14px; }
.meter__label{
  font-size: 12px;
  color: rgba(255,255,255,.70);
  margin-bottom: 8px;
}
.meter__bar{
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  overflow:hidden;
}
.meter__bar span{
  display:block;
  height:100%;
  width: 60%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(124,58,237,1), rgba(6,182,212,1));
}
.meter__bar--ok span{
  background: linear-gradient(90deg, rgba(34,197,94,1), rgba(6,182,212,1));
}

.mini-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.mini{
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.mini__k{
  font-size: 12px;
  color: rgba(255,255,255,.68);
}
.mini__v{
  margin-top: 6px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.card__note{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.72);
  font-size: 13px;
  line-height: 1.55;
}

.hero__fade{
  position:absolute;
  left:0; right:0; bottom:-1px;
  height: 90px;
  background: linear-gradient(180deg, transparent, rgba(7,10,18,.98));
  pointer-events:none;
}

/* Sections */
.section{
  padding: 64px 0;
}
.section--alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__head{
  margin-bottom: 18px;
}
.section__title{
  margin: 0 0 10px;
  font-size: 28px;
  letter-spacing: -0.02em;
}
.section__desc{
  margin: 0;
  color: var(--muted);
  max-width: 68ch;
  line-height: 1.6;
}

/* Services */
.cards{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.svc{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  transition: transform .15s ease, border-color .2s ease;
}
.svc:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.18);
}
.svc__title{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.svc__text{
  margin: 0 0 12px;
  color: rgba(255,255,255,.72);
  line-height: 1.55;
  font-size: 13px;
}
.svc__list{
  padding-left: 16px;
  margin: 0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  line-height: 1.6;
}

/* Process */
.steps{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.step{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.step__n{
  font-weight: 900;
  letter-spacing: .08em;
  color: rgba(255,255,255,.62);
  font-size: 12px;
}
.step__t{
  margin-top: 10px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.step__d{
  margin-top: 8px;
  color: rgba(255,255,255,.72);
  line-height: 1.55;
  font-size: 13px;
}

/* Work */
.work{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.work__item{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.work__badge{
  display:inline-flex;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,58,237,.16);
  border: 1px solid rgba(124,58,237,.25);
  color: rgba(255,255,255,.86);
}
.work__title{
  margin: 12px 0 8px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.work__text{
  margin: 0 0 14px;
  color: rgba(255,255,255,.72);
  line-height: 1.55;
  font-size: 13px;
}
.work__meta{
  display:flex;
  gap: 8px;
  color: rgba(255,255,255,.62);
  font-size: 12px;
}

/* Stack */
.badges{
  margin-top: 18px;
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge{
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.82);
  font-weight: 600;
  font-size: 13px;
}
.quote{
  margin-top: 18px;
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.quote__text{
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,.84);
}
.quote__by{
  margin-top: 10px;
  color: rgba(255,255,255,.62);
  font-size: 12px;
}

/* FAQ */
.faq{
  margin-top: 18px;
  display:grid;
  gap: 10px;
}
.faq__item{
  width:100%;
  text-align:left;
  padding: 16px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--text);
  cursor:pointer;
  transition: border-color .2s ease, background .2s ease;
  position: relative;
}
.faq__item:hover{ background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.16); }
.faq__q{
  display:block;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-right: 30px;
}
.faq__a{
  display:block;
  margin-top: 10px;
  color: rgba(255,255,255,.72);
  line-height: 1.6;
  font-size: 13px;
  max-height: 0;
  overflow:hidden;
  transition: max-height .25s ease;
}
.faq__icon{
  position:absolute;
  top: 18px;
  right: 16px;
  width: 18px;
  height: 18px;
  opacity: .9;
}
.faq__icon::before,
.faq__icon::after{
  content:"";
  position:absolute;
  inset: 0;
  margin:auto;
  width: 14px;
  height: 2px;
  background: rgba(255,255,255,.78);
  border-radius: 3px;
  transform-origin:center;
}
.faq__icon::after{
  transform: rotate(90deg);
}
.faq__item[aria-expanded="true"] .faq__a{
  max-height: 140px;
}
.faq__item[aria-expanded="true"] .faq__icon::after{
  transform: rotate(0deg);
  opacity: 0;
}

/* CTA */
.section--cta{
  padding: 74px 0 34px;
}
.cta{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.cta__content{
  padding: 22px 20px;
}
.cta__title{
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.02em;
}
.cta__desc{
  margin: 0 0 18px;
  color: rgba(255,255,255,.72);
  line-height: 1.6;
}
.cta__aside{
  padding: 22px 20px;
  border-left: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.12);
}

.form{ margin-top: 8px; }
.form__row{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.field{ display:block; }
.field__label{
  display:block;
  font-size: 12px;
  color: rgba(255,255,255,.72);
  margin: 0 0 8px;
}
.field__input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.92);
  outline:none;
}
.field__input:focus{
  border-color: rgba(6,182,212,.45);
  box-shadow: 0 0 0 4px rgba(6,182,212,.12);
}
.field__input--area{
  resize: vertical;
  min-height: 110px;
}

.form__actions{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.form__hint{
  color: rgba(255,255,255,.60);
  font-size: 12px;
  line-height: 1.4;
  max-width: 46ch;
}

.toast{
  margin-top: 12px;
  min-height: 22px;
  font-size: 13px;
  color: rgba(255,255,255,.82);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}
.toast.toast--show{
  opacity: 1;
  transform: translateY(0px);
}
.toast.toast--error{
  color: rgba(255,255,255,.92);
}
.toast.toast--error::before{
  content:"";
  display:inline-block;
  width: 8px; height: 8px;
  border-radius: 99px;
  background: #ef4444;
  margin-right: 8px;
}
.toast.toast--ok::before{
  content:"";
  display:inline-block;
  width: 8px; height: 8px;
  border-radius: 99px;
  background: #22c55e;
  margin-right: 8px;
}

.asideCard{
  padding: 16px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
}
.asideCard__title{
  font-weight: 800;
  margin-bottom: 10px;
}
.asideCard__list{
  padding-left: 16px;
  margin: 0;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  line-height: 1.7;
}
.asideCard__contact{
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.10);
}
.asideCard__k{
  font-size: 12px;
  color: rgba(255,255,255,.62);
}
.asideCard__v{
  margin-top: 6px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.footer{
  margin-top: 18px;
  padding: 18px 0 0;
}
.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__copy{
  margin-top: 10px;
  color: rgba(255,255,255,.62);
  font-size: 12px;
  line-height: 1.4;
}
.footer__links{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}
.footer__links a{
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.78);
  font-size: 13px;
}
.footer__links a:hover{
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.14);
  color: rgba(255,255,255,.90);
}

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work{ grid-template-columns: 1fr; }
  .cta{ grid-template-columns: 1fr; }
  .cta__aside{ border-left: none; border-top: 1px solid rgba(255,255,255,.10); }
}

@media (max-width: 720px){
  .nav{
    position: fixed;
    top: 64px;
    right: 20px;
    left: 20px;
    display:none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(6,8,15,.72);
    border: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(14px);
  }
  .nav.nav--open{ display:flex; }
  .nav__link{ padding: 12px 12px; }
  .burger{ display:block; }
  .btn--ghost{ display:none; }
  .stats{ grid-template-columns: 1fr; }
  .form__row{ grid-template-columns: 1fr; }
}