:root{
  --navy-900:#0D2340;
  --navy-800:#102C4E;
  --blue-500:#2C6EC5;
  --blue-300:#7FA9E8;
  --paper:#F2F6FB;
  --ink:#0B1B30;
  --ink-soft:#465A73;
  --line:rgba(13,35,64,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px}
h1,h2,h3{font-family:'Poppins',system-ui,sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1;margin:0}
p{margin:0}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* nav */
.nav{position:sticky;top:0;z-index:30;background:rgba(242,246,251,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.nav .logo img{height:54px;width:auto}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;color:var(--ink-soft);font-weight:500;font-size:15px}
.nav ul a:hover{color:var(--blue-500)}
.btn{display:inline-block;font-family:'Poppins',sans-serif;font-weight:600;font-size:16px;padding:14px 28px;border-radius:40px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue-500);color:#fff}
.btn-primary:hover{background:#245DAA}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy-900);color:#fff}
.hero .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:110px}
.eyebrow{font-family:'Poppins',sans-serif;font-size:13px;letter-spacing:.28em;text-transform:uppercase;color:var(--blue-300);font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.8rem);max-width:20ch}
.hero h1 span{color:var(--blue-300)}
.hero .lead{font-size:clamp(1.08rem,1.8vw,1.3rem);color:#C9D7EA;max-width:38em;margin:24px 0 36px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:40px}
.hero .tags span{border:1px solid rgba(127,169,232,.4);border-radius:30px;padding:6px 14px;font-size:14px;color:#C9D7EA}
.wave{position:absolute;left:-8%;bottom:-4%;width:124%;height:60%;z-index:1;color:var(--blue-300);opacity:.2;pointer-events:none}
.wave path{fill:none;stroke:currentColor;stroke-width:2;animation:onda 21s ease-in-out infinite alternate}
.wave path:nth-child(2){animation-duration:33s;animation-delay:-7s;stroke-width:1.5}
.wave path:nth-child(3){animation-duration:44s;animation-delay:-15s;stroke-width:1}
@keyframes onda{from{transform:translateX(0)}to{transform:translateX(-80px)}}
@media (prefers-reduced-motion:reduce){.wave path{animation:none}html{scroll-behavior:auto}}

/* sections */
section{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.sec-head p{color:var(--ink-soft);margin-top:16px;font-size:1.08rem}
.dark{background:var(--navy-900);color:#fff}
.dark .sec-head p{color:#C9D7EA}
.blue{background:var(--blue-500);color:#fff}

/* problem */
.problems{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.problem{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.problem h3{font-size:1.15rem;margin-bottom:10px}
.problem p{color:var(--ink-soft);font-size:.98rem}

/* method */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(127,169,232,.25);border-radius:18px;padding:32px 28px}
.step .n{font-family:'Poppins',sans-serif;font-size:13px;letter-spacing:.2em;color:var(--blue-300);font-weight:600}
.step h3{font-size:1.35rem;margin:10px 0 12px}
.step p{color:#C9D7EA;font-size:.98rem}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px 28px;display:flex;flex-direction:column}
.service.feat{border:2px solid var(--blue-500)}
.service .lvl{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-500);font-weight:600}
.service h3{font-size:1.4rem;margin:8px 0 14px}
.service ul{margin:0 0 22px;padding:0;list-style:none}
.service li{padding:7px 0 7px 26px;position:relative;color:var(--ink-soft);font-size:.97rem;border-bottom:1px solid var(--line)}
.service li:last-child{border-bottom:0}
.service li::before{content:"";position:absolute;left:0;top:14px;width:12px;height:12px;border-radius:50%;background:var(--blue-300)}
.service .foot{margin-top:auto;font-weight:600;color:var(--navy-800);font-size:.95rem}

/* guarantee */
.guarantee .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.big{font-family:'Poppins',sans-serif;font-weight:700;font-size:clamp(3.4rem,8vw,6rem);line-height:1;letter-spacing:-.03em}
.guarantee h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:14px 0 18px}
.guarantee p{color:#E4ECF8}
.guarantee .note{font-size:.88rem;color:#D3E0F3;margin-top:18px}
.gbox{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);border-radius:18px;padding:28px}
.gbox li{margin:8px 0}

/* why */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.why div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.why h3{font-size:1.15rem;margin-bottom:8px}
.why p{color:var(--ink-soft);font-size:.98rem}

/* about */
.about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about p{color:var(--ink-soft);margin-bottom:14px}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.fact{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.fact b{display:block;font-family:'Poppins',sans-serif;font-size:1.9rem;color:var(--blue-500)}
.fact span{color:var(--ink-soft);font-size:.92rem}

/* form */
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact .sec-head{margin-bottom:0}
form.card{background:#fff;color:var(--ink);border-radius:20px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.25)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.fld label{font-size:14px;font-weight:600;color:var(--navy-800)}
.fld input,.fld select,.fld textarea{font:inherit;font-size:16px;padding:12px 14px;border:1px solid #C9D3E1;border-radius:10px;background:#fff;color:var(--ink)}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:2px solid var(--blue-300);border-color:var(--blue-500)}
.fld textarea{min-height:96px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-soft);margin:10px 0}
.check input{margin-top:4px;width:18px;height:18px;flex:0 0 auto}
.hp{position:absolute;left:-9999px}
form .btn{width:100%;margin-top:10px}
.contact-side li{margin:10px 0;color:#C9D7EA}

/* footer */
footer{background:#081A31;color:#9FB2CC;font-size:14px;padding:44px 0}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:#C9D7EA}
footer .flogo{display:inline-block;background:#fff;border-radius:12px;padding:8px 12px;margin-bottom:14px}
footer .flogo img{height:40px;width:auto}

/* legal page */
.legal{padding:64px 0 96px}
.legal .wrap{max-width:820px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:8px}
.legal h2{font-size:1.3rem;margin:36px 0 12px}
.legal p,.legal li{color:var(--ink-soft)}
.legal table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.95rem}
.legal th,.legal td{text-align:left;border-bottom:1px solid var(--line);padding:10px 8px;vertical-align:top}
.legal .upd{color:var(--ink-soft);font-size:.9rem}

/* thank you */
.thanks{min-height:70vh;display:flex;align-items:center}
.thanks h1{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:18px}
.thanks p{color:#C9D7EA;max-width:36em;margin-bottom:28px}

/* responsive */
@media (max-width:900px){
  .nav ul{display:none}
  .problems,.steps,.services,.why,.facts{grid-template-columns:1fr}
  .guarantee .wrap,.about .wrap,.contact .wrap{grid-template-columns:1fr}
  section{padding:72px 0}
  .hero .wrap{padding-top:64px;padding-bottom:80px}
}
@media (max-width:560px){
  .grid2{grid-template-columns:1fr}
  .nav .logo img{height:36px}
  form.card{padding:22px}
}