:root{--ink:#0F1218;--cyan:#00E5FF;--cyan-50:#E8FCFF;--white:#fff;--gray-500:#5B6573;--gray-100:#F2F4F7}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:17px/1.6 "Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,system-ui,sans-serif;color:var(--ink);background:var(--white)}
.container{max-width:1140px;margin:0 auto;padding:80px 24px}
h1,h2,h3{font-family:"Unbounded",sans-serif;line-height:1.15}

.top{position:sticky;top:0;z-index:50;background:rgba(15,18,24,.92);backdrop-filter:blur(8px);border-bottom:1px solid #232935}
.top-in{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;max-width:1140px;margin:0 auto}
.logo{color:var(--white);font-weight:800;text-decoration:none;font-size:17px}
.nav a{color:#9aa3b2;text-decoration:none;margin-left:24px;font-weight:600;font-size:15px}
.nav a:hover{color:var(--cyan)}

.hero{background:radial-gradient(1200px 600px at 80% -10%,#12334a 0%,transparent 60%),var(--ink);color:var(--white)}
.hero .container{padding-top:110px;padding-bottom:110px}
.hero-badge{display:inline-block;background:#16202e;border:1px solid #263446;color:#9bd6e2;border-radius:999px;padding:6px 14px;font-size:13px;margin-bottom:24px}
.hero h1{font-size:52px;font-weight:700;margin-bottom:22px;letter-spacing:-.5px}
.hero p{font-size:20px;color:#9aa3b2;max-width:640px;margin-bottom:34px}
.btn{display:inline-block;background:var(--cyan);color:var(--ink);padding:15px 30px;border-radius:8px;font-weight:800;text-decoration:none;border:none;cursor:pointer;font-family:"Manrope",sans-serif;font-size:16px}
.btn:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--white);border:1px solid #2b3444;margin-left:10px}
.btn-big{min-width:170px}
.btn-wide{width:100%;margin-top:20px;font-size:17px}
.hero .btn-ghost{color:#c9d3df}

.section h2{font-size:34px;font-weight:700;margin-bottom:16px}
.section .lead{color:var(--gray-500);max-width:680px;margin-bottom:36px;font-size:18px}
.section.dark{background:var(--ink);color:var(--white)}
.section.dark h2{color:var(--white)}
.section.dark .lead{color:#9aa3b2}
.section.gray{background:var(--gray-100)}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}
.card{background:var(--white);border-radius:16px;padding:30px;border:1px solid #e6eaf0}
.section.dark .card{background:#141a26;border-color:#222b3c;color:#dbe3ee}
.section.dark .card h3{color:var(--white)}
.card-ico{font-size:34px;margin-bottom:14px}
.card h3{font-size:19px;margin-bottom:10px;font-weight:700}
.card p{color:var(--gray-500);font-size:15.5px}
.section.dark .card p{color:#9aa3b2}
.note{color:var(--gray-500);font-size:14px;margin-top:8px}

/* таймер */
.timer-wrap{display:grid;grid-template-columns:380px 1fr;gap:30px;align-items:start}
.ring{width:300px;height:300px;margin:0 auto;border-radius:50%;background:conic-gradient(var(--cyan) 0%,#223043 0);display:flex;align-items:center;justify-content:center;transition:background .2s}
.ring-inner{width:264px;height:264px;border-radius:50%;background:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.timer-time{font-family:"Unbounded",sans-serif;font-size:56px;font-weight:700;color:var(--white);font-variant-numeric:tabular-nums}
.timer-name{color:#9aa3b2;margin-top:8px;font-size:15px;font-weight:600}
.timer-btns{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.timer-progress{margin-top:22px;text-align:center}
.timer-progress span{color:#9aa3b2;font-size:14px;font-weight:700}
.bar{height:6px;background:#223043;border-radius:99px;margin-top:8px;overflow:hidden}
.bar-fill{height:100%;width:0%;background:var(--cyan);border-radius:99px;transition:width .3s}

.ex-list{display:flex;flex-direction:column;gap:10px}
.ex{display:flex;align-items:center;gap:14px;background:#141a26;border:1px solid #222b3c;border-radius:12px;padding:14px 18px;cursor:pointer;color:#c6cfdc;transition:.15s}
.ex:hover{border-color:#33405c}
.ex.active{border-color:var(--cyan);background:#15212e}
.ex.on{border-color:#3dd68c;background:#142a20}
.ex .ex-ico{font-size:22px;flex:0 0 auto}
.ex .ex-body{flex:1}
.ex .ex-name{font-weight:700;font-size:15.5px;color:var(--white)}
.ex .ex-time{font-size:13px;color:#7d8796;margin-top:2px}
.ex .ex-state{flex:0 0 auto;font-size:14px;font-weight:700;color:#7d8796}
.ex.on .ex-state{color:#3dd68c}

/* кеңестер */
.tips{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tip{background:var(--gray-100);border-left:4px solid var(--cyan);border-radius:10px;padding:18px 22px;font-size:16px;color:#28303d}

.warn{background:#fff6e6;border:1px solid #f0d9a8;border-radius:12px;padding:18px 22px;margin-top:8px;font-size:15px;color:#5a4a1e}

.footer{background:var(--ink);color:#9aa3b2;text-align:center}
.footer p{font-weight:700;color:var(--white)}
.footer .foot-small{color:#7d8796;font-weight:400;margin-top:4px;font-size:14px}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  .grid3{grid-template-columns:1fr}
  .timer-wrap{grid-template-columns:1fr}
  .tips{grid-template-columns:1fr}
}
@media (max-width:640px){
  .hero h1{font-size:34px}
  .section h2{font-size:26px}
  .container{padding:48px 20px}
  .top-in{flex-direction:column;gap:10px}
  .nav a{margin:0 10px;font-size:14px}
  .ring{width:240px;height:240px}
  .ring-inner{width:210px;height:210px}
  .timer-time{font-size:44px}
  .hero .container{padding-top:70px;padding-bottom:70px}
}