/* Dialnium Infra Inc - main site */
:root{
  --ink:#081b47; --navy:#0b2a6b; --blue:#0a6cff; --orange:#f59a0b;
  --paper:#f3f6fb; --line:#d6dfee; --text:#1c2a44; --mute:#586579; --white:#fff;
  --r:6px; --wrap:1160px;
  --head:'Bricolage Grotesque','Segoe UI',system-ui,sans-serif;
  --body:'Public Sans','Segoe UI',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:16px;line-height:1.65;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--head);color:var(--ink);margin:0;line-height:1.15;letter-spacing:-.015em}
h1{font-size:clamp(34px,5.2vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700}
h3{font-size:19px;font-weight:700;letter-spacing:-.005em}
p{margin:0 0 1em;color:var(--mute)}
.lead{font-size:18px;max-width:58ch}
section{padding:80px 0}
.paper{background:var(--paper)}
.sec-head{max-width:640px;margin-bottom:40px}
.sec-head p{margin:12px 0 0}
.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:#000;padding:10px 14px;z-index:99}
.skip:focus{left:10px;top:10px}

/* top strip + header */
.strip{background:var(--ink);color:#c9d8f5;font-size:13px}
.strip .wrap{display:flex;justify-content:flex-end;gap:24px;padding-top:7px;padding-bottom:7px}
.strip a:hover{color:#fff}
.header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:40px;width:auto;max-width:150px;object-fit:contain}
.menu{display:flex;align-items:center;gap:4px}
.menu a.link{padding:8px 13px;font-weight:600;font-size:15px;color:var(--text);border-radius:var(--r)}
.menu a.link:hover{color:var(--blue)}
.menu a.link.active{color:var(--blue);box-shadow:inset 0 -2px 0 var(--orange);border-radius:0}
.menu .btn{margin-left:6px;padding:10px 16px;font-size:14px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:.2s}
.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons */
.btn{display:inline-block;font-family:var(--body);font-weight:700;font-size:15px;line-height:1;padding:15px 24px;border-radius:var(--r);border:2px solid transparent;cursor:pointer;text-align:center;transition:background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--blue)}
.btn-orange{background:var(--orange);color:#1b1200}
.btn-orange:hover{background:#ffb22e}
.btn-line{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-line:hover{background:var(--navy);color:#fff}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--orange);color:#1b1200}
.btn-ghost-w{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-w:hover{background:#fff;color:var(--navy)}
.cta{display:flex;flex-wrap:wrap;gap:12px}

/* hero with blueprint grid */
.hero{position:relative;padding:72px 0 80px;overflow:hidden;background:#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(10,108,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(10,108,255,.07) 1px,transparent 1px);background-size:36px 36px;-webkit-mask-image:linear-gradient(100deg,transparent 20%,#000 75%);mask-image:linear-gradient(100deg,transparent 20%,#000 75%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{max-width:15ch}
.hero .lead{margin:22px 0 30px}
.facts{display:flex;flex-wrap:wrap;margin:34px 0 0;padding:0;list-style:none}
.facts li{padding:0 18px;border-left:2px solid var(--orange);margin-bottom:8px}
.facts li:first-child{padding-left:14px}
.facts b{display:block;font-family:var(--head);font-size:18px;color:var(--ink)}
.facts span{font-size:13px;color:var(--mute)}

/* comparison sheet (hero visual) */
.sheet{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 24px 50px -20px rgba(8,27,71,.28);overflow:hidden}
.sheet-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;background:var(--ink);color:#fff}
.sheet-top b{font-family:var(--head);font-size:16px}
.sheet-top small{color:#9fb6e6;font-size:12px}
.sheet-scroll{overflow-x:auto}
.sheet table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:430px}
.sheet th{font-weight:600;text-align:left;font-size:12px;color:var(--mute);padding:12px 10px;background:var(--paper);border-bottom:1px solid var(--line)}
.sheet td{padding:12px 10px;border-bottom:1px solid var(--line);color:var(--text);white-space:nowrap}
.sheet td:first-child{font-weight:700;color:var(--ink)}
.sheet tr.best td{background:#fff7e8}
.sheet tr.best td:first-child{box-shadow:inset 4px 0 0 var(--orange)}
.sheet .tag{display:block;width:max-content;margin-top:4px;font-size:11px;font-weight:700;background:var(--orange);color:#1b1200;padding:2px 7px;border-radius:3px}
.sheet-foot{padding:12px 18px;font-size:12.5px;color:var(--mute)}

/* material rate board (list, not cards) */
.board{border-top:2px solid var(--ink)}
.board .row{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);align-items:baseline}
.board .row:hover{background:linear-gradient(90deg,#fff7e8,transparent)}
.board h3{font-size:20px}
.board p{margin:0}

/* sequence */
.steps{list-style:none;margin:0;padding:0;position:relative;max-width:820px}
.steps::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;background:var(--line)}
.steps li{position:relative;padding:0 0 30px 64px}
.steps li:last-child{padding-bottom:0}
.steps .n{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;display:flex;align-items:center;justify-content:center}
.steps li:last-child .n{background:var(--orange);color:#1b1200}
.steps h3{margin-bottom:4px}
.steps p{margin:0}
.steps .when{display:inline-block;font-size:13px;font-weight:600;color:var(--blue);margin-bottom:2px}

/* two-column text blocks with rules */
.cols{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.item{padding:22px 0;border-top:1px solid var(--line)}
.item h3{margin-bottom:6px}
.item p{margin:0}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}

/* portals band */
.portals{background:linear-gradient(90deg,var(--ink) 50%,var(--navy) 50%);color:#fff;padding:0}
.portals .wrap{display:grid;grid-template-columns:1fr 1fr;padding:0}
.portal{padding:56px 40px}
.portal+.portal{border-left:1px solid rgba(255,255,255,.14)}
.portal h2{color:#fff;font-size:30px}
.portal p{color:#b9c9ea;margin:12px 0 24px;max-width:44ch}

/* closing */
.closing{background:var(--orange);padding:56px 0}
.closing .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.closing h2{color:#1b1200;max-width:20ch}
.closing p{color:#3b2800;margin:8px 0 0}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th{text-align:left;background:var(--ink);color:#fff;padding:12px 14px;font-weight:600}
.tbl td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text)}
.tbl td:first-child{font-weight:700;color:var(--ink)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}

/* page header */
.phead{background:var(--paper);padding:64px 0 56px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(32px,4.4vw,48px);max-width:20ch}
.phead p{max-width:60ch;font-size:18px;margin:16px 0 0}
.crumbs{font-size:13px;color:var(--mute);margin-bottom:14px}
.crumbs a:hover{color:var(--blue)}

/* lists */
.check{list-style:none;margin:0;padding:0}
.check li{position:relative;padding:8px 0 8px 28px;color:var(--text)}
.check li::before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:3px solid var(--orange);border-bottom:3px solid var(--orange);transform:rotate(-45deg)}

/* form */
.form{display:grid;gap:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-weight:600;font-size:14px;color:var(--ink);margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;color:var(--text);padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--r);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,108,255,.15)}
textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px}
.note{padding:14px 16px;border-radius:var(--r);font-weight:600;margin-bottom:18px}
.note.ok{background:#e8f7ee;color:#116b35;border:1px solid #b7e4c7}
.note.err{background:#fdecec;color:#9b1c1c;border:1px solid #f3b9b9}
.contact-box{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:28px}
.contact-box h3{margin-bottom:14px}
.contact-box dl{margin:0}
.contact-box dt{font-size:13px;font-weight:600;color:var(--mute);margin-top:16px}
.contact-box dd{margin:2px 0 0;font-weight:600;color:var(--ink)}
.contact-box a:hover{color:var(--blue)}

/* policy */
.policy{display:grid;grid-template-columns:230px 1fr;gap:56px;align-items:start}
.toc{position:sticky;top:96px;display:grid;gap:2px;border-left:2px solid var(--line)}
.toc a{padding:8px 14px;font-size:15px;font-weight:600;color:var(--mute);margin-left:-2px;border-left:2px solid transparent}
.toc a:hover{color:var(--blue);border-left-color:var(--orange)}
.doc section{padding:0 0 40px;margin-bottom:40px;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.doc section:last-child{border:0}
.doc h2{font-size:28px;margin-bottom:14px}
.doc h3{margin:22px 0 6px;font-size:17px}
.doc ul{margin:0 0 1em;padding-left:20px;color:var(--mute)}
.doc li{margin-bottom:6px}

/* footer */
.footer{background:var(--ink);color:#b9c9ea;padding:64px 0 0}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer .flogo{display:inline-block;background:#fff;border-radius:8px;padding:10px 14px;margin-bottom:16px}
.footer .flogo img{height:34px;width:auto;max-width:130px}
.footer p{color:#9fb2d8;font-size:14.5px;max-width:34ch}
.footer h4{color:#fff;font-size:16px;margin-bottom:14px;font-family:var(--head)}
.footer a{display:block;font-size:14.5px;padding:4px 0;color:#b9c9ea}
.footer a:hover{color:var(--orange)}
.footer address{font-style:normal;font-size:14.5px;margin-bottom:8px}
.copy{margin-top:48px;padding:20px 22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13.5px;color:#8ea3cf}
.copy nav{display:flex;gap:20px}
.copy a{display:inline;padding:0;font-size:13.5px}

/* responsive */
@media (max-width:980px){
  section{padding:60px 0}
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero h1{max-width:none}
  .split{grid-template-columns:1fr;gap:28px}
  .policy{grid-template-columns:1fr;gap:28px}
  .toc{position:static;grid-template-columns:repeat(2,auto);border-left:0;gap:4px 12px}
  .toc a{border:1px solid var(--line);border-radius:var(--r);margin:0}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:flex}
  .menu{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 22px 20px;display:none;box-shadow:0 20px 30px -20px rgba(8,27,71,.3)}
  .menu-open .menu{display:flex}
  .menu a.link{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0}
  .menu a.link.active{box-shadow:none;color:var(--blue)}
  .menu .btn{margin:12px 0 0}
  .strip .wrap{justify-content:space-between;gap:12px;font-size:12px}
}
@media (max-width:760px){
  .cols{grid-template-columns:1fr}
  .board .row{grid-template-columns:1fr;gap:4px}
  .portals .wrap{grid-template-columns:1fr}
  .portal{padding:40px 22px}
  .portals{background:var(--ink)}
  .portal+.portal{border-left:0;border-top:1px solid rgba(255,255,255,.14);background:var(--navy)}
  .form .two{grid-template-columns:1fr}
  .closing .wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .brand img{height:34px;max-width:128px}
  .nav{height:62px}
  .hero{padding:44px 0 56px}
  .lead{font-size:16.5px}
  .facts li{padding:0 14px}
  .fgrid{grid-template-columns:1fr;gap:28px}
  .strip .wrap{flex-direction:column;gap:2px;align-items:flex-start}
  .cta .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* v2: corporate look */
.hero.dark,.phead.dark{background:radial-gradient(1200px 500px at 85% -10%,#15409a 0,transparent 60%),var(--ink);border:0}
.hero.dark::before{background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px)}
.hero.dark h1,.phead.dark h1{color:#fff}
.hero.dark .lead,.phead.dark p{color:#b9c9ea}
.phead.dark .crumbs,.phead.dark .crumbs a{color:#8ea3cf}
.hero.dark .btn-line{border-color:rgba(255,255,255,.55);color:#fff}
.hero.dark .btn-line:hover{background:#fff;color:var(--navy)}
.hero.dark .facts b{color:#fff}.hero.dark .facts span{color:#9fb2d8}
.hero.dark{padding:96px 0 104px}
.hero.dark h1{font-size:clamp(36px,5.6vw,64px)}
.band{padding:0;background:var(--navy);color:#fff}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.band .wrap>div{padding:30px 22px;border-left:1px solid rgba(255,255,255,.14)}
.band .wrap>div:first-child{border-left:0;padding-left:0}
.band b{display:block;font-family:var(--head);font-size:clamp(26px,3.2vw,38px);line-height:1.1;color:#fff}
.band span{font-size:14px;color:#b9c9ea}
.invest-teaser{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.invest-teaser .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.invest-teaser h2{max-width:22ch}.invest-teaser p{max-width:56ch;margin:10px 0 0}
.disc{font-size:12.5px;color:var(--mute);padding-top:18px;padding-bottom:18px;margin:0 auto}
@media (max-width:760px){.band .wrap{grid-template-columns:1fr 1fr}.band .wrap>div:nth-child(3){border-left:0;padding-left:0}.band .wrap>div{padding:22px 16px}.hero.dark{padding:56px 0 64px}}