:root{
  --night:#0a1730; --night2:#101f3f; --blue:#2f6bff; --blue-d:#1f4fd1;
  --ink:#0f172a; --grey:#2b3447; --muted:#5b667a; --line:#e3e8f2; --soft:#f4f7fc; --white:#fff;
  --logo-red:#e53935; --logo-yellow:#f4c20d; --logo-purple:#7b2d8e;
  --f-head:'Sora','Segoe UI',system-ui,sans-serif; --f-body:'DM Sans','Segoe UI',system-ui,sans-serif;
  --r:14px; --hh:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--hh)}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--white);line-height:1.65;overflow-x:hidden;-webkit-text-size-adjust:100%}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--f-head);line-height:1.15;margin:0 0 .6em;letter-spacing:-.01em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{width:min(1160px,100% - 40px);margin-inline:auto}
.ico{width:1.25em;height:1.25em;flex:none}

/* Header */
.header{position:fixed;inset:0 0 auto 0;height:var(--hh);background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:50}
.header__in{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand img{width:64px;height:64px;object-fit:contain}
.nav{display:flex;align-items:center;gap:28px;font-weight:500}
.nav a:not(.btn){position:relative;padding:6px 0;color:var(--grey);transition:color .2s}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:not(.btn):hover{color:var(--blue)}
.nav a:not(.btn):hover::after{transform:scaleX(1)}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;padding:10px}
.burger span{display:block;height:2px;background:var(--night);margin:6px 0;transition:transform .25s,opacity .2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;border-radius:999px;border:2px solid transparent;font:700 1rem var(--f-body);cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(47,107,255,.35)}
.btn--primary:hover{background:var(--blue-d)}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--light{background:#fff;color:var(--night)}
.btn--outline{border-color:var(--blue);color:var(--blue);min-height:42px;padding:0 20px;font-size:.95rem}
.btn--outline:hover{background:var(--blue);color:#fff}
.nav__cta{min-height:42px;padding:0 20px}
.actions{display:flex;flex-wrap:wrap;gap:14px}
.actions--center{justify-content:center}

/* Hero */
.hero{background:radial-gradient(900px 500px at 85% 20%,rgba(47,107,255,.28),transparent 60%),var(--night);color:#fff;padding:calc(var(--hh) + 64px) 0 80px;overflow:hidden}
.hero__in{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.2rem,5.4vw,4rem);font-weight:700;margin-bottom:.5em}
.hero p{font-size:1.15rem;color:#c5d3ee;max-width:34em;margin-bottom:1.8em}
.hero .btn--primary{animation:pulse 3s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 8px 34px rgba(47,107,255,.65)}}
.float-a{animation:fl 7s ease-in-out infinite}.float-b{animation:fl 6s ease-in-out -2s infinite}.float-c{animation:fl 8s ease-in-out -4s infinite}
@keyframes fl{50%{transform:translateY(-10px)}}
.draw{stroke-dasharray:420;stroke-dashoffset:420;animation:dr 2.4s .4s ease forwards}
@keyframes dr{to{stroke-dashoffset:0}}

/* Sections */
.section{padding:96px 0}
.section--soft{background:var(--soft)}
.section--dark{background:var(--night);color:#fff}
.title{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:1.2em}
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,23,48,.12);border-color:var(--blue)}
.card__ico{display:grid;place-items:center;width:52px;height:52px;border-radius:12px;background:rgba(47,107,255,.1);color:var(--blue);margin-bottom:18px}
.card__ico .ico{width:26px;height:26px}
.card h3{font-size:1.2rem}.card p{color:var(--muted);margin:0}

.why{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.why li{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.04);font-weight:500}
.why .ico{color:var(--logo-yellow)}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.step{position:relative;padding-top:22px;border-top:3px solid var(--line)}
.step:nth-child(1){border-color:var(--blue)}.step:nth-child(2){border-color:var(--logo-purple)}.step:nth-child(3){border-color:var(--logo-yellow)}.step:nth-child(4){border-color:var(--logo-red)}
.step__n{font:700 2.2rem var(--f-head);color:var(--night)}
.step p{color:var(--muted)}

.project{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:transform .25s,box-shadow .25s}
.project:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,23,48,.14)}
.project__img{aspect-ratio:16/10;background:var(--night2);overflow:hidden}
.project__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.project:hover .project__img img{transform:scale(1.05)}
.project__ph{height:100%;display:grid;place-items:center;color:#8fb0ff;background:linear-gradient(135deg,var(--night),#17306a)}
.project__ph .ico{width:56px;height:56px}
.project__body{padding:24px}
.project__body p{color:var(--muted)}
.tag{display:inline-block;font-size:.8rem;font-weight:700;color:var(--blue);background:rgba(47,107,255,.1);padding:4px 12px;border-radius:999px;margin-bottom:12px}

.about__text{max-width:46em;font-size:1.1rem;color:var(--grey)}

.cta{background:linear-gradient(120deg,var(--night),#16349a);color:#fff;padding:90px 0;text-align:center}
.cta h2{font-size:clamp(1.9rem,4vw,3rem)}.cta p{font-size:1.15rem;color:#cfdcf7;margin-bottom:1.6em}

.contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.muted{color:var(--muted)}
.clist{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.clist li{display:flex;align-items:center;gap:12px;font-weight:500}
.clist .ico{color:var(--blue)}.clist a:hover{color:var(--blue)}
.form{display:grid;gap:18px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.form label{display:grid;gap:6px;font-weight:500;font-size:.95rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
input,select,textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #cbd4e4;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.alert{padding:14px 16px;border-radius:10px;font-weight:500}
.alert--ok{background:#e6f7ec;color:#14663a}.alert--err{background:#fdecec;color:#a42626}

.footer{background:var(--night);color:#c5d3ee;padding:56px 0 0}
.footer__in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.footer__brand img{width:96px;height:96px;object-fit:contain;background:#fff;border-radius:14px;margin-bottom:14px}
.footer__brand strong{color:#fff;font:700 1.15rem var(--f-head)}
.footer h3{color:#fff;font-size:1rem}
.footer nav a,.footer p a{display:block;padding:3px 0}
.footer a:hover{color:#fff}
.footer__copy{text-align:center;margin:40px 0 0;padding:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.9rem}

.wa-float{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3);z-index:60;transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float .ico{width:30px;height:30px}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:960px){
  .hero__in,.contact{grid-template-columns:1fr}
  .hero__art{max-width:520px;margin:0 auto}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer__in{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .burger{display:block}
  .nav{position:fixed;top:var(--hh);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:12px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav__cta{margin-top:16px}
}
@media (max-width:600px){
  .section{padding:68px 0}
  .grid--3,.steps,.row,.footer__in{grid-template-columns:1fr}
  .hero{padding-bottom:56px}
  .actions .btn{flex:1 1 100%}
  .form{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}.draw{stroke-dashoffset:0}
}