:root{
  --ink:#0B0F19;
  --body:#4B5468;
  --blue:#155EEF;
  --blue-dark:#0B3FBF;
  --indigo:#3B2FC9;
  --navy:#0B1233;
  --teal:#00A896;
  --purple:#7A5AF8;
  --line:#E4E7EE;
  --bg:#FFFFFF;
  --bg-alt:#F5F6FA;
  --radius:16px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow-md:0 16px 32px -18px rgba(16,24,40,.28);
  font-size:16px;
}

*,*::before,*::after{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(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Manrope","Inter",system-ui,sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
p{margin:0 0 1em;color:var(--body)}
a{color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
img{max-width:100%;display:block}
button{font-family:inherit}
.icon{width:24px;height:24px;display:block}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:16px;top:16px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;color:var(--ink)}
.logo__mark{
  width:36px;height:36px;border-radius:10px;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.logo__text{font-size:16px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;font-weight:600;font-size:15px;color:var(--body);transition:color .2s}
.nav a:hover{color:var(--ink)}
.nav__cta{
  padding:10px 20px;border-radius:999px;background:var(--blue);color:#fff!important;
}
.nav__cta:hover{background:var(--blue-dark)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.btn--white{background:#fff;color:var(--blue)}
.btn--white:hover{background:#EAF0FF}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-light:hover{border-color:#fff}
.btn--block{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:104px 0 88px;
  background:linear-gradient(115deg,var(--indigo) 0%,var(--blue) 60%,#2E86FF 100%);
  color:#fff;
}
.hero__accent{
  position:absolute;top:0;right:0;width:60%;height:100%;
  background:rgba(255,255,255,.07);
  clip-path:polygon(35% 0,100% 0,100% 100%,5% 100%);
}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  font-weight:700;font-size:14px;letter-spacing:.03em;color:rgba(255,255,255,.85);margin-bottom:18px;
}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,48px);font-weight:800;letter-spacing:-.02em;max-width:640px}
.hero__subtitle{color:rgba(255,255,255,.88);font-size:17px;max-width:560px;margin-top:18px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero__tags{margin-top:32px;font-size:14px;font-weight:600;color:rgba(255,255,255,.7);max-width:560px}

.code-card{
  background:var(--navy);border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -24px rgba(4,10,30,.55);
  max-width:440px;margin-left:auto;
}
.code-card__bar{display:flex;gap:6px;padding:12px 16px;background:rgba(255,255,255,.06)}
.code-card__bar span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}
.code-card__body{margin:0;padding:26px;font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:13.5px;line-height:1.75;color:#C7D0E6;overflow-x:auto}
.tok-com{color:#7C8AAE}
.tok-kw{color:#FF7EB6}
.tok-cls{color:#5CC8FF}
.tok-type{color:#4ADE80}

/* ---------- Stats ---------- */
.stats{
  display:flex;flex-wrap:wrap;justify-content:center;
  padding:56px 24px;border-bottom:1px solid var(--line);
}
.stat{flex:1 1 200px;text-align:center;padding:0 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat__num{font-family:"Manrope",sans-serif;font-size:36px;font-weight:800;color:var(--ink)}
.stat__plus{font-size:22px;font-weight:800;color:var(--ink)}
.stat__label{display:block;margin-top:6px;font-size:13.5px;color:var(--body);font-weight:600}

/* ---------- Section helpers ---------- */
.section-eyebrow{
  font-weight:700;font-size:14px;color:var(--blue);letter-spacing:.03em;margin-bottom:14px;
}
.section-eyebrow--teal{color:var(--teal)}
.section-eyebrow--purple{color:var(--purple)}
.section-eyebrow--blue{color:var(--blue)}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.section-subtitle{font-size:17px;max-width:640px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- About ---------- */
.about{padding:100px 0}
.about__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.about h2{font-size:clamp(26px,3.4vw,36px)}
.about__list{display:grid;gap:12px;margin-top:20px}
.about__list li{
  position:relative;padding-left:26px;font-weight:600;color:var(--ink);font-size:15px;
}
.about__list li::before{
  content:"";position:absolute;left:0;top:6px;width:8px;height:8px;border-radius:2px;background:var(--blue);
}
.about__visual{position:relative;height:360px}
.about__visual::before{
  content:"";position:absolute;inset:56px;border:2px dashed var(--line);border-radius:50%;
}
.ring-core{
  position:absolute;inset:0;margin:auto;width:148px;height:148px;border-radius:50%;
  background:#fff;border:2px solid var(--blue);color:var(--blue);display:flex;align-items:center;justify-content:center;
  text-align:center;font-weight:800;font-size:17px;z-index:1;
}
.ring-card{
  position:absolute;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 16px 10px 10px;font-weight:700;font-size:13.5px;color:var(--ink);
  box-shadow:var(--shadow-sm);z-index:1;
}
.ring-card .icon{width:20px;height:20px;color:var(--blue);flex-shrink:0}
.ring-card--1{top:0;left:6%}
.ring-card--2{top:14%;right:0}
.ring-card--3{bottom:10%;left:0}
.ring-card--4{bottom:0;right:8%}

/* ---------- Services ---------- */
.services{padding:100px 0;background:var(--bg-alt)}
.grid{display:grid;gap:20px;margin-top:56px}
.grid--services{grid-template-columns:repeat(3,1fr)}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:box-shadow .2s ease,border-color .2s ease;
}
.service-card:hover{box-shadow:var(--shadow-md);border-color:transparent}
.service-card__icon{
  width:44px;height:44px;border-radius:12px;background:var(--bg-alt);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.service-card__icon .icon{width:22px;height:22px}
.service-card h3{font-size:18px;margin-bottom:8px}
.service-card p{font-size:14.5px;margin:0}

/* ---------- Showcase ---------- */
.showcase{padding:96px 0}
.showcase--alt{background:var(--bg-alt)}
.showcase__inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.showcase__inner--reverse .showcase__text{order:2}
.showcase__inner--reverse .showcase__visual{order:1}
.showcase__text h2{font-size:clamp(24px,3vw,34px)}
.link-arrow{display:inline-block;margin-top:8px;font-weight:700;color:var(--blue);text-decoration:none}
.link-arrow:hover{text-decoration:underline}

.mock-window{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.mock-window--phone{max-width:280px;margin:0 auto;border-radius:28px}
.mock-window__bar{display:flex;gap:6px;padding:12px 16px;background:var(--bg-alt)}
.mock-window__bar span{width:10px;height:10px;border-radius:50%;background:var(--line)}
.mock-window__body{padding:28px}
.mock-line{height:12px;border-radius:6px;background:var(--line);margin-bottom:12px}
.mock-line--title{width:50%;height:18px;background:#CFE0FF}
.mock-card{height:56px;border-radius:10px;background:var(--bg-alt);margin-bottom:12px;border:1px solid var(--line)}
.mock-pin{color:var(--blue);margin-bottom:14px}
.mock-pin .icon{width:28px;height:28px}
.mock-btn{
  margin-top:8px;text-align:center;padding:12px;border-radius:999px;background:var(--blue);
  color:#fff;font-weight:700;font-size:14px;
}

/* ---------- Process / timeline ---------- */
.process{padding:100px 0}
.timeline{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.timeline li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .2s ease;
}
.timeline li:hover{box-shadow:var(--shadow-md)}
.timeline__num{
  width:34px;height:34px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.timeline h3{font-size:16px;margin-bottom:4px}
.timeline p{font-size:14px;margin:0}

/* ---------- Cases ---------- */
.cases{padding:100px 0;background:var(--bg-alt)}
.grid--cases{grid-template-columns:repeat(3,1fr)}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:box-shadow .2s ease;
}
.case-card:hover{box-shadow:var(--shadow-md)}
.case-card__badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--blue);
  background:#EAF0FF;padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.case-card h3{font-size:19px}
.case-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.case-card__tags li{
  font-size:12px;font-weight:700;color:var(--ink);background:var(--bg-alt);
  border:1px solid var(--line);padding:6px 10px;border-radius:999px;
}

/* ---------- Contact ---------- */
.contact{padding:100px 0 110px}
.contact__inner{
  position:relative;overflow:hidden;isolation:isolate;
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
  background:var(--navy);border-radius:var(--radius-lg);padding:64px;color:#fff;
}
.contact__accent{
  position:absolute;bottom:-30%;right:-8%;width:65%;height:130%;z-index:-1;
  background:linear-gradient(135deg,var(--blue),var(--indigo));
  clip-path:polygon(40% 0,100% 0,100% 100%,0 100%);opacity:.9;
}
.contact h2{color:#fff;font-size:clamp(26px,3.4vw,36px)}
.contact__text p{color:rgba(255,255,255,.8);font-size:17px}
.contact__form{display:flex;flex-direction:column;gap:16px}
.form-row{display:flex;flex-direction:column;gap:6px}
.form-row label{font-size:13px;font-weight:700;color:#fff}
.form-row input,.form-row textarea{
  padding:14px 16px;border-radius:12px;border:1px solid transparent;font-size:14px;font-family:inherit;
  background:rgba(255,255,255,.95);color:var(--ink);resize:vertical;
}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:#fff}
.form-status{min-height:20px;font-size:14px;font-weight:700;color:#fff;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-alt);color:var(--body);padding:64px 0 24px}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer__col{display:flex;flex-direction:column;gap:10px}
.footer__col h4{color:var(--ink);font-size:14px;margin-bottom:4px}
.footer__col a{color:var(--body);text-decoration:none;font-size:14px}
.footer__col a:hover{color:var(--ink)}
.footer__col--brand p{color:var(--body);font-size:14px;margin-top:10px}
.footer__bottom{border-top:1px solid var(--line);margin-top:48px;padding-top:24px}
.footer__bottom small{color:#8991A6;font-size:13px}

/* ---------- To top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--blue);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;
  transform:translateY(10px);transition:all .25s ease;z-index:80;
}
.to-top:hover{background:var(--blue-dark)}
.to-top .icon{width:20px;height:20px}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid--services{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .grid--cases{grid-template-columns:1fr}
  .about__inner,.showcase__inner,.hero__inner{grid-template-columns:1fr;gap:40px}
  .showcase__inner--reverse .showcase__text{order:1}
  .showcase__inner--reverse .showcase__visual{order:2}
  .contact__inner{grid-template-columns:1fr;padding:40px}
  .footer__inner{grid-template-columns:1fr 1fr}
  .code-card{margin:0 auto}
}
@media (max-width:720px){
  .nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:16px 24px;gap:6px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:all .2s ease;
  }
  .nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .nav__cta{text-align:center;margin-top:8px}
  .burger{display:flex}
  .grid--services{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
  .stats{flex-direction:column}
  .stat{border-left:none;border-top:1px solid var(--line);padding:20px 0}
  .stat:first-child{border-top:none}
}