/* Палитра бренда PrimeDay (логотип «Грань»): ink-фон, бирюзовый — техника и действия, фиолетовый — магия.
   Подход как у игровых сайтов: арт во весь экран, одна яркая объёмная кнопка, крупные цифры, карточки с обложками. */
:root{--bg:#0B0F1E;--bg2:#0F1529;--card:#141B33;--card2:#1A2342;--line:#ffffff14;--line2:#ffffff26;--text:#F3F1EC;--muted:#A3ABC4;--accent:#36D7C2;--accent-dark:#1A9C8B;--accent2:#A994FF;--r:16px}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent2);color:var(--bg)}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.muted,.section-intro{color:var(--muted)}
.small{font-size:.875rem}
code{background:#070A16;border:1px solid var(--line);padding:2px 7px;border-radius:6px;color:#9FF2E6;font-size:.86em;overflow-wrap:anywhere}
.skip-link{position:fixed;left:12px;top:-80px;padding:10px 16px;background:var(--accent2);color:var(--bg);z-index:30;border-radius:8px}
.skip-link:focus{top:10px}

/* Шапка. */
.site-header{position:sticky;top:0;z-index:20;background:#0B0F1ED9;backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo-img{display:block;height:38px;width:auto}
.footer-logo{display:block;height:34px;width:auto;margin-bottom:12px}
.logo small{font-size:11px;font-weight:700;color:var(--accent);background:#36D7C21A;border-radius:6px;padding:2px 7px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:#D5DAEA;padding:8px 13px;border-radius:10px;font-size:15px;font-weight:600;white-space:nowrap}
.nav a:hover{background:#ffffff0F;text-decoration:none}
.nav a.active{color:var(--text);background:#ffffff14}
.nav-start{display:none}
.head-link{color:var(--text);font-weight:600;font-size:15px;white-space:nowrap}
.head-link:hover{color:var(--accent);text-decoration:none}
.burger{display:none;background:#ffffff0F;border:1px solid var(--line2);color:var(--text);border-radius:10px;font-size:20px;padding:4px 11px;cursor:pointer;flex-shrink:0}

/* Объёмная игровая кнопка: нижняя грань темнее, при нажатии «проваливается». */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--accent);color:#04201C;font-size:15px;font-weight:800;line-height:1.3;letter-spacing:.3px;padding:13px 24px;border:0;border-radius:12px;box-shadow:0 4px 0 var(--accent-dark),0 10px 28px #36D7C240;cursor:pointer;transition:transform .12s,box-shadow .12s,background .12s;white-space:nowrap}
.btn:hover{background:#5CE5D3;text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 0 var(--accent-dark),0 14px 34px #36D7C255}
.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--accent-dark),0 4px 12px #36D7C230}
.btn-lg{font-size:17px;padding:17px 32px;border-radius:14px}
.btn-sm{padding:10px 18px;font-size:14px;box-shadow:0 3px 0 var(--accent-dark)}
.btn-sm:hover{box-shadow:0 5px 0 var(--accent-dark)}
.btn-ghost{background:#ffffff14;color:var(--text);box-shadow:0 4px 0 #00000066;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#ffffff24;box-shadow:0 6px 0 #00000066}
.btn-ghost:active{box-shadow:0 1px 0 #00000066}
.actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:32px}

/* Первый экран: арт во весь экран, текст на затемнении слева. */
.hero{position:relative;min-height:min(86vh,820px);display:flex;align-items:center;overflow:hidden;padding:90px 0 130px;isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 40%;z-index:-2}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#0B0F1EF2 0%,#0B0F1EC0 38%,#0B0F1E33 70%,#0B0F1E1A 100%),linear-gradient(0deg,var(--bg) 0%,#0B0F1E00 30%)}
.hero-inner{width:100%}
.kicker{display:inline-flex;align-items:center;gap:10px;margin:0;padding:7px 14px;border-radius:999px;background:#0B0F1E99;border:1px solid var(--line2);font-size:14px;font-weight:600;color:#DDE2F0;backdrop-filter:blur(6px)}
.hero h1{font-size:clamp(46px,7vw,92px);line-height:1;letter-spacing:-2.5px;font-weight:900;margin:24px 0 22px;text-shadow:0 4px 30px #0008}
.hero h1>span{background:linear-gradient(90deg,var(--accent2),#D6CBFF 60%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:20px;line-height:1.6;max-width:520px;margin:0;color:#D5DAEA;text-shadow:0 2px 12px #000a}
.hero-credit{position:absolute;right:24px;bottom:96px;margin:0;font-size:12px;color:#ffffffA6;background:#0B0F1E80;padding:4px 10px;border-radius:6px}
.dot{display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;flex-shrink:0;box-shadow:0 0 0 4px #36D7C233;animation:pulse 2s ease-in-out infinite}
.dot.on{background:var(--accent2);box-shadow:0 0 0 4px #A994FF33}
.dot.off{background:#e09080;box-shadow:0 0 0 4px #e0908033}
@keyframes pulse{50%{box-shadow:0 0 0 7px #36D7C200}}

/* Цифры проекта — плашка, наезжающая на арт. */
.stats{position:relative;z-index:2;margin-top:-72px;display:grid;grid-template-columns:repeat(4,1fr);background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line2);border-radius:20px;box-shadow:0 24px 60px #0008;padding:0;width:calc(100% - 48px);max-width:1152px}
.stats>div{padding:24px 26px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.stats>div:first-child{border-left:0}
.stats b{font-size:34px;line-height:1.1;font-weight:900;letter-spacing:-1px;color:var(--accent);display:flex;align-items:center;gap:10px}
.stats>div:nth-child(2) b{color:var(--accent2)}
.stats>div:last-child b{font-size:22px;color:var(--text);min-height:37px}
.stats span{font-size:14px;color:var(--muted);line-height:1.4}

/* Разделы. */
.section{padding:88px 0}
.section-head{margin-bottom:36px}
.section-head.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.eyebrow{font-size:14px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
h2{font-size:clamp(30px,3.6vw,44px);font-weight:900;line-height:1.12;letter-spacing:-1px;margin:1.4em 0 .5em}
.section-head h2{margin:0}
h3{font-size:21px;line-height:1.3;font-weight:800}
.more{font-weight:700;white-space:nowrap}
.section>.wrap>h2:first-child{margin-top:0}

/* Направления: карточки с обложкой. Обложку позже можно заменить игровым скриншотом (background-image у .cover). */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.path{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:20px;overflow:hidden;color:var(--text);transition:transform .18s,border-color .18s,box-shadow .18s}
.path:hover{text-decoration:none;transform:translateY(-6px);border-color:var(--line2);box-shadow:0 24px 50px #0007}
.cover{position:relative;height:190px;display:grid;place-items:center;background-size:cover;background-position:center;overflow:hidden}
.cover::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff0D 1px,transparent 1px),linear-gradient(90deg,#ffffff0D 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:radial-gradient(circle at 50% 60%,#000,transparent 75%);mask-image:radial-gradient(circle at 50% 60%,#000,transparent 75%)}
.cover span{position:relative;font-size:84px;line-height:1;filter:drop-shadow(0 0 24px currentColor);transition:transform .25s}
.path:hover .cover span{transform:scale(1.12) rotate(-6deg)}
.tech .cover{background:radial-gradient(circle at 50% 70%,#36D7C255,transparent 60%),linear-gradient(160deg,#103B44,#0C1A2E);color:#7BF0E0}
.magic .cover{background:radial-gradient(circle at 50% 70%,#A994FF66,transparent 60%),linear-gradient(160deg,#2C1E5E,#140F2E);color:#CBBEFF}
.link .cover{background:radial-gradient(circle at 30% 70%,#36D7C244,transparent 55%),radial-gradient(circle at 70% 40%,#A994FF55,transparent 55%),linear-gradient(160deg,#1A2850,#0E1430);color:#E5E9FF}
.path-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.path-body .eyebrow{font-size:12px;margin-bottom:4px}
.magic .eyebrow{color:var(--accent2)}
.link .eyebrow{color:#C9D0FF}
.path h3{font-size:30px;font-weight:900;letter-spacing:-.5px;margin:0 0 10px}
.path p{margin:0;color:var(--muted);font-size:16px}
.chips{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:13px;font-weight:700;padding:5px 11px;border-radius:999px;background:#ffffff0F;border:1px solid var(--line);color:#D5DAEA}

/* Своё в сборке — широкая полоса с градиентом. */
.band{background:radial-gradient(ellipse 60% 80% at 0% 50%,#36D7C21C,transparent 70%),radial-gradient(ellipse 60% 80% at 100% 50%,#A994FF24,transparent 70%),var(--bg2);border-block:1px solid var(--line)}
.own{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.own-copy h2{margin-top:0}
.lead{font-size:19px;color:var(--muted);margin:0}
.own-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.own-list li{background:#ffffff08;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;display:flex;flex-direction:column;gap:6px}
.own-list b{font-size:18px;font-weight:800}
.own-list li:nth-child(odd) b{color:var(--accent)}
.own-list li:nth-child(even) b{color:var(--accent2)}
.own-list span{font-size:15px;color:var(--muted);line-height:1.5}

/* Карточки и сетки. */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:26px}
.section-head+.grid{margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card h3{margin:0 0 10px}
.card h2{font-size:24px;margin:0 0 14px}
.card p{margin:0;color:var(--muted);font-size:16px}
.card.link{display:block;color:var(--text);transition:transform .15s,border-color .15s}
.card.link:hover{transform:translateY(-4px);border-color:#36D7C266;text-decoration:none}
.card.link h3::after{content:" →";color:var(--accent)}
.diary{display:flex;flex-direction:column}
.card .diary-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 16px;font-size:14px}
.tag{font-size:12px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:#36D7C21F;color:var(--accent)}
.diary h3{font-size:22px}
.diary-list{display:grid;gap:18px}

/* Шаги. */
.steps{list-style:none;padding:0;margin:26px 0;counter-reset:step;display:grid;gap:14px}
.steps li{counter-increment:step;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px 22px 84px;position:relative;display:grid;gap:4px}
.steps li::before{content:counter(step);position:absolute;left:22px;top:20px;width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--accent);color:#04201C;font-size:20px;font-weight:900;box-shadow:0 3px 0 var(--accent-dark)}
.steps li strong{font-size:18px;font-weight:800}
.steps li span{color:var(--muted);font-size:16px}
.home-steps{grid-template-columns:repeat(3,1fr);gap:22px;margin:0}
.home-steps li{padding:84px 26px 28px}
.home-steps li::before{top:26px;left:26px;width:46px;height:46px;font-size:22px}
.home-steps li strong{font-size:22px;margin-bottom:4px}

/* Финальный призыв. */
.cta{padding:0 0 96px}
.cta-inner{position:relative;overflow:hidden;text-align:center;padding:64px 32px;border-radius:28px;background:radial-gradient(ellipse at 20% 0,#36D7C240,transparent 60%),radial-gradient(ellipse at 80% 100%,#A994FF4D,transparent 60%),var(--card2);border:1px solid var(--line2);width:calc(100% - 48px);max-width:1152px}
.cta h2{margin:0 0 12px}
.cta p{margin:0 auto;max-width:560px;color:#D5DAEA;font-size:18px}
.cta .actions{justify-content:center}

/* Внутренние страницы. */
.page-head{position:relative;padding:72px 0 44px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse 50% 100% at 85% 0,#A994FF2E,transparent 70%),radial-gradient(ellipse 40% 80% at 0 0,#36D7C21A,transparent 70%)}
.page-head h1{font-size:clamp(36px,5vw,60px);line-height:1.05;letter-spacing:-1.5px;font-weight:900;margin:0 0 16px}
.page-head .lead{max-width:700px}
.params{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.params th,.params td{text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);vertical-align:top}
.params tr:last-child th,.params tr:last-child td{border-bottom:0}
.params th{width:34%;font-weight:700;color:var(--muted)}
.mod-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:14px}
.mod-groups>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.mod-groups h3{margin:0;font-size:17px}
.mod-groups .chips{margin-top:12px}
.notice{border:1px solid #36D7C244;background:#36D7C20F;border-radius:var(--r);padding:18px 22px;margin-bottom:30px;color:#DCE1EE;font-size:16px;line-height:1.75}
.notice strong{font-weight:700}

/* Гайды и команды. */
.guide-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.guide-nav a{font-size:15px;font-weight:700;padding:8px 16px;border-radius:999px;border:1px solid var(--line2);background:var(--card);color:var(--text)}
.guide-nav a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.narrow article{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:25px}
.narrow article p,.narrow article li{line-height:1.85}
.narrow article li{margin-bottom:10px}
.narrow li::marker{color:var(--accent);font-weight:800}
.command-tools label{display:block;font-size:14px;font-weight:700;color:var(--muted);margin:22px 0 8px}
.command-tools input,.account-form input{width:100%;padding:13px 16px;background:#070A16;color:var(--text);border:1px solid var(--line2);border-radius:12px;display:block}
.command-tools input:focus,.account-form input:focus{border-color:var(--accent);outline:3px solid #36D7C240;outline-offset:0}
.command-filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.command-filters button{font-size:14px;font-weight:700;padding:8px 16px;border:1px solid var(--line2);border-radius:999px;background:var(--card);color:var(--muted);cursor:pointer}
.command-filters button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#04201C}
.command-row{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:14px 0;border-bottom:1px solid var(--line)}
.command-row>span{font-size:16px;color:var(--muted)}
.command-row button{display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap;border:1px solid var(--line2);background:#070A16;padding:10px 14px;border-radius:10px;color:var(--accent);cursor:pointer}
.command-row button:hover{border-color:var(--accent)}
.command-row code{font-size:14px;padding:0;border:0;background:none;color:#E0E4F0}
.copy-status{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:11px 18px;border-radius:12px;background:var(--card2);border:1px solid var(--accent);color:var(--text);font-size:15px;font-weight:600;box-shadow:0 10px 32px #0008;opacity:0;pointer-events:none;z-index:30;max-width:90%;text-align:center;transition:opacity .2s}
.copy-status.visible{opacity:1}

/* Форма регистрации (register.html, assets/register.js). */
.account-form{display:grid;gap:8px;max-width:460px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;margin-bottom:24px}
.account-form label{font-weight:700;font-size:15px;margin-top:10px}
.account-form label:first-child{margin-top:0}
.account-form p{margin:0}
.account-form .btn{margin-top:18px;width:100%}
.account-form .btn:disabled{opacity:.6;cursor:wait;transform:none}
.form-status{min-height:1.6em;font-size:15px}
.form-status.ok{color:var(--accent)}
.form-status.error{color:#FF9C8A}

/* Подвал. */
.site-footer{padding:56px 0 28px;border-top:1px solid var(--line);background:#080B17}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.foot p{font-size:14px;line-height:1.8;margin:0}
.foot h4{font-size:14px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin:0 0 14px;color:var(--text)}
.foot a{display:block;font-size:15px;color:var(--muted);padding:4px 0}
.foot a:hover{color:var(--accent)}
.copy{font-size:13px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}

@media(max-width:1080px){.nav a{padding:8px 10px;font-size:14px}.bar{gap:14px}.own{gap:36px}}
@media(max-width:960px){
 .stats{grid-template-columns:1fr 1fr}.stats>div:nth-child(3){border-left:0}.stats>div:nth-child(n+3){border-top:1px solid var(--line)}
 .paths{grid-template-columns:1fr;max-width:620px}.own{grid-template-columns:1fr}.home-steps{grid-template-columns:1fr}.home-steps li{padding:22px 24px 22px 84px}.home-steps li::before{top:20px;left:22px;width:42px;height:42px;font-size:20px}.home-steps li strong{font-size:18px;margin-bottom:0}
 .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
 .wrap{padding-inline:20px}
 .head-link{display:none}
 .bar{height:auto;min-height:64px;flex-wrap:wrap;gap:12px}.logo{margin-right:auto}.logo-img{height:32px}
 .nav{display:flex;position:static;flex-basis:100%;margin-left:0;padding:8px 0 15px;flex-wrap:wrap}.nav-start{display:block}
 .js .bar{height:64px;flex-wrap:nowrap}.js .burger{display:block}
 .js .nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px 20px 20px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 20px 40px #0008}
 .js .nav.open{display:flex}.js .nav a{padding:12px 14px;font-size:16px}
 .hero{min-height:0;padding:72px 0 120px}.hero::before{background:linear-gradient(180deg,#0B0F1E99 0%,#0B0F1ECC 55%,var(--bg) 100%)}
 .hero-credit{right:20px;bottom:88px}
 .stats{width:calc(100% - 40px)}.cta-inner{width:calc(100% - 40px)}
 .section{padding:64px 0}
}
@media(max-width:600px){
 body{font-size:16px}
 .hero h1{font-size:50px;letter-spacing:-1.5px}.hero .lead{font-size:18px}.btn-lg{font-size:16px;padding:15px 24px}.actions{gap:12px}
 .hero-credit{left:20px;right:auto;font-size:11px}
 .stats>div{padding:18px}.stats b{font-size:28px}.stats>div:last-child b{font-size:18px;min-height:31px}.stats span{font-size:13px}
 .section-head.row{flex-direction:column;align-items:flex-start;gap:12px}
 .own-list{grid-template-columns:1fr}
 .grid{grid-template-columns:1fr}.card{padding:22px}
 .steps li,.home-steps li{padding:20px 18px 20px 74px}.steps li::before,.home-steps li::before{left:18px;top:18px;width:40px;height:40px;font-size:19px}
 .params th,.params td{display:block;width:auto;padding:12px 18px}.params th{padding-bottom:0;border-bottom:0}
 .cta-inner{padding:44px 20px;border-radius:22px}
 .command-row{flex-direction:column;align-items:flex-start;gap:10px}.command-row button{width:100%;white-space:normal;text-align:left}
 .account-form{padding:22px}
 .foot{grid-template-columns:1fr}
}
@media(max-width:380px){.wrap{padding-inline:16px}.stats,.cta-inner{width:calc(100% - 32px)}.logo small{display:none}.btn-sm{font-size:13px;padding:9px 13px}.hero h1{font-size:42px}.stats>div{padding:16px 14px}.stats b{font-size:24px}}
@media(max-width:340px){.stats{grid-template-columns:1fr}.stats>div{border-left:0!important;border-top:1px solid var(--line)}.stats>div:first-child{border-top:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}