/* SONELINK landing — self-contained, no external font hosts */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/space-grotesk-400.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/space-grotesk-500.woff2") format("woff2")}
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/space-grotesk-600.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-sans-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-sans-400i.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-sans-500.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/ibm-plex-mono-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/ibm-plex-mono-500.woff2") format("woff2")}

:root{
  --bg:#0b0c0e;
  --bg-2:#121317;
  --bg-3:#191b20;
  --line:#2a2c32;
  --line-2:#3a3d44;
  --text:#f4f1ea;
  --muted:#a3a49c;
  --faint:#7a7b74;
  --brass:#d4b483;
  --brass-2:#e8d5b0;
  --brass-dim:#8a734c;
  --danger:#c47a6a;
  --radius:14px;
  --max:1160px;
  --header:68px;
  --sans:"IBM Plex Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --display:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text)}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--brass);text-decoration:none}
a:hover{color:var(--brass-2)}
.wrap{width:min(var(--max), calc(100% - 48px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--brass);color:#111;padding:8px 12px}
.skip:focus{left:8px;top:8px;z-index:80}

/* Header */
header{
  position:sticky;top:0;z-index:40;
  height:var(--header);
  display:flex;align-items:center;
  background:rgba(11,12,14,.78);
  backdrop-filter:saturate(1.2) blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;width:min(var(--max), calc(100% - 48px));margin-inline:auto}
.logo{
  font-family:var(--display);font-weight:600;letter-spacing:.16em;
  font-size:14px;color:var(--text);text-decoration:none;
}
.logo:hover{color:var(--text)}
.logo span{color:var(--brass)}
nav{display:flex;gap:22px;margin-left:auto;align-items:center}
nav a{color:var(--muted);font-size:14px;font-weight:500}
nav a:hover{color:var(--text)}
.lang{
  display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-left:6px;
}
.lang button{
  appearance:none;border:0;background:transparent;color:var(--faint);
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  padding:6px 10px;cursor:pointer;
}
.lang button[aria-pressed="true"]{background:var(--bg-3);color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 18px;border-radius:999px;font-family:var(--display);
  font-weight:500;font-size:14px;letter-spacing:.02em;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .15s,color .15s,border-color .15s;
}
.btn-primary{background:var(--brass);color:#1a140c}
.btn-primary:hover{background:var(--brass-2);color:#1a140c}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brass);color:var(--text)}
.nav-cta{height:36px;padding:0 14px;font-size:13px}

/* Hero */
.hero{padding:84px 0 56px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brass);margin:0 0 18px;
}
h1{
  font-family:var(--display);font-weight:500;font-size:clamp(32px,5vw,56px);
  line-height:1.08;letter-spacing:-.03em;margin:0 0 22px;
}
.lede{font-size:18px;line-height:1.55;color:var(--muted);margin:0 0 32px;max-width:38em}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:20px;
  padding:0;
  min-height:0;
  overflow:hidden;
  display:flex;flex-direction:column;
}
.hero-visual picture,.hero-visual .hero-photo{width:100%;display:block}
.hero-visual .hero-photo{height:auto;object-fit:cover}
.hero-visual figcaption{
  margin:0;padding:14px 16px 16px;text-align:center;
  font-family:var(--mono);font-size:11px;color:var(--faint);
  letter-spacing:.08em;text-transform:uppercase;
}

/* KPIs */
.kpis{
  border-block:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.kpis div{padding:22px 8px;text-align:center;border-right:1px solid var(--line)}
.kpis div:last-child{border-right:0}
.kpis strong{
  display:block;font-family:var(--display);font-weight:500;font-size:18px;letter-spacing:-.02em;
}
.kpis span{display:block;margin-top:4px;color:var(--faint);font-size:13px}

/* Sections */
section{padding:88px 0}
.sec-head{margin:0 0 36px}
.sec-head h2{
  font-family:var(--display);font-weight:500;font-size:clamp(26px,3.2vw,36px);
  letter-spacing:-.03em;margin:0 0 10px;line-height:1.15;
}
.sec-head p{margin:0;color:var(--muted);max-width:42em}
.model{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--brass);text-transform:uppercase;margin:0 0 8px}

.diff{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px 26px;
}
.card h3{font-family:var(--display);font-weight:500;font-size:20px;letter-spacing:-.02em;margin:0 0 10px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .n{
  font-family:var(--mono);font-size:11px;color:var(--brass);letter-spacing:.12em;margin-bottom:12px;
}

.apps{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.app{padding:22px 22px 24px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius)}
.app:first-child{grid-column:1/-1}
.app h3{margin:0 0 8px;font-family:var(--display);font-weight:500;font-size:18px}
.app p{margin:0;color:var(--muted);font-size:15px}

/* Specs */
.specs{width:100%;border-collapse:collapse;font-size:14.5px}
.specs th,.specs td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.specs th{font-weight:500;color:var(--faint);width:34%;font-size:13px}
.specs td{font-family:var(--mono);font-size:13px;color:var(--text)}
.specs tr:hover td,.specs tr:hover th{background:var(--bg-2)}
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:auto}

/* ODM */
.odm{
  background:
    linear-gradient(180deg, transparent, rgba(212,180,131,.05) 40%, transparent),
    var(--bg);
}
.odm-box{
  border:1px solid var(--line);border-radius:20px;padding:56px 48px;
  background:var(--bg-2);
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.odm-box h2{margin:0 0 14px;font-size:clamp(28px,4vw,44px)}
.odm-box p{margin:0 0 28px;color:var(--muted);font-size:17px}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.steps li{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  color:var(--muted);font-size:15px;
}
.steps b{font-family:var(--mono);color:var(--brass);font-weight:500;font-size:12px;padding-top:3px}

/* Form */
form{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;max-width:760px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:13px;color:var(--muted);font-weight:500}
input,select,textarea{
  font:inherit;color:var(--text);background:var(--bg-2);
  border:1px solid var(--line);border-radius:10px;padding:11px 12px;
  width:100%;
}
input:focus,select:focus,textarea:focus{
  outline:2px solid var(--brass);outline-offset:1px;border-color:transparent;
}
textarea{min-height:120px;resize:vertical}
.form-note{grid-column:1/-1;color:var(--faint);font-size:13px;margin:0}
.form-ok{grid-column:1/-1;color:#b7d4c0;font-size:14px;display:none}
.form-ok.show{display:block}

footer{
  border-top:1px solid var(--line);padding:36px 0 48px;
  color:var(--faint);font-size:13px;
}
.foot{display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between;align-items:flex-start}
.foot .logo{margin-bottom:8px;display:inline-block}
.contacts{display:grid;gap:6px;line-height:1.45}
.contacts span{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint)}
.legal{max-width:36em;line-height:1.55}

@media (max-width:880px){
  .hero,.odm-box,.diff,.kpis{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr}
  .app:first-child{grid-column:auto}
  .kpis div{border-right:0;border-bottom:1px solid var(--line);text-align:left;padding:16px 0}
  nav .hide-sm,.nav-cta{display:none}
  form{grid-template-columns:1fr}
  .odm-box{padding:32px 22px}
  .hero{padding-top:48px;gap:32px}
  .hero-visual{min-height:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}