:root{
  --blue:#1f54e6;
  --blue-d:#1741b8;
  --blue-2:#2E6BD4;
  --ink:#0c1a33;
  --ink-soft:#4a5568;
  --bg:#ffffff;
  --bg-soft:#f4f6fb;
  --line:#e7eaf3;
  --radius:22px;
  --maxw:1080px;
  --shadow:0 18px 50px rgba(20,40,90,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
.serif{font-family:'Playfair Display',Georgia,serif}
.tag{display:inline-block;font-weight:600;letter-spacing:.18em;text-transform:uppercase;font-size:13px}
.star{display:inline-block;vertical-align:middle}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;
  padding:15px 26px;border-radius:999px;transition:.18s transform,.18s box-shadow,.18s background;cursor:pointer;border:0;
}
.btn:hover{transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--blue)}
.btn-light:hover{box-shadow:0 12px 30px rgba(0,0,0,.18)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{box-shadow:0 12px 30px rgba(31,84,230,.35)}
.btn-tg{background:#2aabee;color:#fff;padding:12px;border-radius:50%}
.btn-tg:hover{box-shadow:0 10px 24px rgba(42,171,238,.45)}
.btn-tg svg{display:block;fill:#fff}
.nav a.btn-tg{padding:11px;border-radius:50%}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn .arr{transition:.18s transform}
.btn:hover .arr{transform:translateX(4px)}

/* header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand b{color:var(--blue)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-weight:600;font-size:15px;color:var(--ink-soft)}
.nav a:hover{color:var(--ink)}
.nav .btn{padding:10px 18px;font-size:15px}
@media(max-width:760px){.nav a:not(.btn){display:none}}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;
  background:
   radial-gradient(circle 60vmax at 80% 14%, rgba(255,255,255,.62) 0%, rgba(255,255,255,.30) 28%, rgba(255,255,255,0) 60%),
   radial-gradient(circle 50vmax at 8% 74%, rgba(255,255,255,.42) 0%, rgba(255,255,255,0) 58%),
   radial-gradient(circle 42vmax at 72% 98%, rgba(255,255,255,.34) 0%, rgba(255,255,255,0) 60%),
   linear-gradient(135deg,#2a63ef 0%, #1f54e6 55%, #1741b8 100%);
}
.hero .wrap{padding:64px 24px 78px}
.hero .tag{color:#dbe6ff}
.hero h1{font-size:clamp(56px,10.5vw,110px);line-height:.94;font-weight:800;letter-spacing:-.045em;margin:18px 0 0}
.hero .lead{max-width:600px;font-size:clamp(18px,2.4vw,22px);color:#eaf0ff;margin-top:22px;font-weight:500}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero .accent{display:flex;align-items:center;gap:12px;margin-top:48px;font-size:clamp(20px,2.6vw,26px);font-weight:700;color:#fff}
.hero .accent .serif{font-style:italic}
.proof{display:flex;flex-direction:column;gap:9px;margin-top:28px}
.chip{color:#dbe6ff;font-weight:500;font-size:clamp(15px,1.9vw,17px);letter-spacing:.01em}
.chip .br{opacity:.55;font-weight:600;margin:0 4px}

/* section */
.section{padding:78px 0}
.section.soft{background:var(--bg-soft)}
.eyebrow{color:var(--blue);margin-bottom:14px}
.section h2{font-size:clamp(34px,5.6vw,54px);font-weight:800;letter-spacing:-.035em;line-height:1.03}
.section .sub{color:var(--ink-soft);font-size:18px;max-width:620px;margin-top:16px}

/* about list */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start;margin-top:18px}
@media(max-width:840px){.about-grid{grid-template-columns:1fr;gap:30px}}
.about p{color:var(--ink-soft);font-size:18px;margin-top:18px}
.list{margin-top:8px;border-top:1px solid var(--line)}
.list .row{display:flex;gap:18px;align-items:baseline;padding:22px 4px;border-bottom:1px solid var(--line)}
.list .num{font-weight:800;color:var(--blue);font-size:18px;white-space:nowrap}
.list .row b{font-size:20px;font-weight:700}
.list .row span{display:block;color:var(--ink-soft);font-size:15px;margin-top:4px;font-weight:500}

/* tools */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
@media(max-width:760px){.tools{grid-template-columns:1fr}}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:.2s transform,.2s box-shadow}
.tool:hover{transform:translateY(-4px);box-shadow:0 26px 60px rgba(20,40,90,.14)}
.tool .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:#eaf0ff;color:var(--blue);font-size:26px}
.tool h3{font-size:24px;font-weight:800;letter-spacing:-.01em}
.tool p{color:var(--ink-soft);font-size:16px;flex:1}
.tool .free{font-size:13px;font-weight:700;color:#2a7350;letter-spacing:.04em}

/* author */
.author{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
@media(max-width:760px){.author{grid-template-columns:1fr;gap:28px}}
.author .photo{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow)}
.author .photo img{width:100%;height:100%;object-fit:cover;display:block}
.author .photo::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 6px rgba(31,84,230,.12);border-radius:24px}
.author p{color:var(--ink-soft);font-size:18px;margin-top:16px}
.author .quote{margin-top:22px;font-size:22px;font-weight:700}
.author .quote .serif{font-style:italic;color:var(--blue)}

/* cta band */
.band{color:#fff;border-radius:0;
  background:
   radial-gradient(circle 48vmax at 80% 16%, rgba(255,255,255,.5) 0%, rgba(255,255,255,.22) 30%, rgba(255,255,255,0) 62%),
   radial-gradient(circle 42vmax at 14% 92%, rgba(255,255,255,.36) 0%, rgba(255,255,255,0) 60%),
   linear-gradient(135deg,#2a63ef,#1741b8);
}
.band .wrap{padding:74px 24px;text-align:center}
.band h2{font-size:clamp(34px,6vw,56px);font-weight:800;letter-spacing:-.035em}
.band p{color:#e7eeff;font-size:19px;margin:16px auto 30px;max-width:520px}
.band .accent{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:30px;font-weight:700;font-size:20px}

/* footer */
.foot{background:#0c1a33;color:#aeb9d4;padding:46px 0}
.foot .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot .fb{font-weight:800;color:#fff;font-size:18px}
.foot .fb b{color:#6fa8ff}
.foot .links{display:flex;gap:22px}
.foot a:hover{color:#fff}
.foot .disc{width:100%;border-top:1px solid rgba(255,255,255,.09);margin-top:22px;padding-top:18px;color:#8693b3;font-size:13px;line-height:1.6}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}