/* GigSpeed Communications - partner-facing site
   Design read: B2B infrastructure partner site for network owners.
   Trust-first, engineered, premium. Single accent from the GigSpeed logo red. */

:root{
  --ink:#0B1219;
  --ink-2:#131E29;
  --ink-3:#1C2A38;
  --paper:#F5F7F9;
  --paper-2:#EAEEF2;
  --line:#D8DFE6;
  --line-dark:#263543;
  --body:#3D4C5A;
  --body-dark:#A9B8C6;
  --red:#B51F24;          /* sampled from the official logo PDF */
  --red-hi:#D8353B;
  --white:#FFFFFF;

  --wrap:1240px;
  --r:4px;                      /* one radius scale: sharp, engineered */
  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font:400 17px/1.68 "Archivo",-apple-system,"Segoe UI",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.1;letter-spacing:-.025em;font-weight:600}
h1{font-size:clamp(2rem,3.7vw,3.3rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.75rem)}
h3{font-size:clamp(1.1rem,1.7vw,1.35rem);letter-spacing:-.015em}
p{margin:0 0 1.1em;max-width:66ch}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--red);margin:0 0 18px;font-weight:500;
}
.dark .eyebrow{color:var(--red-hi)}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,25,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:padding .3s var(--ease),border-color .3s var(--ease);
}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:74px;transition:height .3s var(--ease)}
.hdr.small .wrap{height:60px}
.hdr.small{border-bottom-color:var(--line-dark)}
.brand{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.brand img{height:24px;width:auto;display:block;transition:opacity .2s}
.brand:hover img{opacity:.82}
.hdr.small .brand img{height:21px;transition:height .3s var(--ease),opacity .2s}
.ftr .brand img{height:30px}
.nav{display:flex;align-items:center;gap:34px}
.nav a{
  color:#C7D3DE;text-decoration:none;font-size:15px;font-weight:500;
  position:relative;padding:4px 0;transition:color .2s;white-space:nowrap;
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;
  background:var(--red-hi);transform:scaleX(0);transform-origin:left;
  transition:transform .32s var(--ease);
}
.nav a:hover{color:#fff}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:#fff}
.navtoggle{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  white-space:nowrap;text-decoration:none;cursor:pointer;border:1px solid transparent;
  font:600 15px/1 "Archivo",sans-serif;letter-spacing:.005em;
  padding:15px 26px;border-radius:var(--r);
  transition:background .22s,color .22s,border-color .22s,transform .12s;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-hi)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-ghost:active{transform:translateY(1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}
.btn-dark:active{transform:translateY(1px)}
.btn-arrow{transition:transform .32s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,var(--ink) 8%,rgba(11,18,25,.86) 46%,rgba(11,18,25,.5) 100%);
}
.hero .wrap{position:relative;padding-top:clamp(52px,6vw,76px);padding-bottom:clamp(56px,6.5vw,84px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,7.5fr) minmax(0,3.5fr);gap:52px;align-items:end}
.hero h1{color:#fff;max-width:19ch}
.hero .lede{color:#C2D0DC;font-size:clamp(1rem,1.2vw,1.1rem);max-width:54ch;margin:20px 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px}
.hero-side{border-left:1px solid var(--line-dark);padding-left:30px;padding-bottom:6px}
.hero-side p{color:#93A5B5;font-size:14.5px;margin:0;max-width:34ch}
.hero-side .k{
  display:block;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.19em;
  text-transform:uppercase;color:#6C8296;margin-bottom:11px;
}

/* ---------- sections ---------- */
section{padding:clamp(74px,8.5vw,118px) 0}
.sec-head{max-width:70ch;margin-bottom:52px}
.sec-head p{color:var(--body);font-size:1.05rem;margin-top:18px}
.dark{background:var(--ink);color:var(--body-dark)}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark p{color:var(--body-dark)}
.tint{background:var(--paper-2)}

/* ---------- audience cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:34px 30px 30px;position:relative;overflow:hidden;
  transition:transform .38s var(--ease),box-shadow .38s var(--ease),border-color .38s;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--red);
  transform:scaleX(0);transform-origin:left;transition:transform .42s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 44px -22px rgba(11,18,25,.4);border-color:#C3CDD7}
.card:hover::before{transform:scaleX(1)}
.card .n{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.19em;
  color:var(--red);display:block;margin-bottom:16px;
}
.card h3{margin-bottom:11px}
.card p{font-size:15.5px;margin:0;color:var(--body)}

/* ---------- capability list ---------- */
.caps{display:grid;grid-template-columns:repeat(2,1fr);gap:0 60px}
.cap{
  display:grid;grid-template-columns:44px 1fr;gap:20px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line-dark);
}
.cap .n{
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--red-hi);
  padding-top:4px;letter-spacing:.06em;
}
.cap h3{font-size:1.08rem;margin-bottom:7px}
.cap p{font-size:15px;margin:0;max-width:46ch}

/* ---------- split / experience ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;align-items:center}
.split-media{position:relative;border-radius:var(--r);overflow:hidden}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.stats{display:flex;gap:46px;margin:34px 0 30px;flex-wrap:wrap}
.stat .v{
  font-size:clamp(2.1rem,3.6vw,2.9rem);font-weight:700;color:#fff;
  letter-spacing:-.035em;line-height:1;font-variant-numeric:tabular-nums;
}
.stat .l{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:#7E93A6;margin-top:11px;display:block;max-width:20ch;line-height:1.5;
}
.qualifier{
  font-size:13.5px;color:#7E93A6;border-left:2px solid var(--line-dark);
  padding-left:18px;margin:0;max-width:62ch;line-height:1.6;
}

/* ---------- leadership ---------- */
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:0 60px}
.person{padding:30px 0;border-bottom:1px solid var(--line)}
.person h3{margin-bottom:4px}
.person .role{
  font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red);display:block;margin-bottom:13px;
}
.person p{font-size:15px;margin:0}

/* ---------- cta band ---------- */
.band{background:var(--ink-2);color:#fff;text-align:center}
.band h2{color:#fff;max-width:19ch;margin:0 auto}
.band p{color:var(--body-dark);margin:22px auto 32px;max-width:60ch}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{
  font-size:13px;font-weight:600;color:var(--ink);letter-spacing:.005em;
}
.field .opt{color:#7A8894;font-weight:400}
.field input,.field select,.field textarea{
  font:400 16px/1.5 "Archivo",sans-serif;color:var(--ink);
  background:var(--white);border:1px solid #BFCAD4;border-radius:var(--r);
  padding:13px 14px;width:100%;transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:130px}
.field input::placeholder,.field textarea::placeholder{color:#8C99A5}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(193,39,45,.16);
}
.form-note{font-size:13.5px;color:#5C6B79;margin:20px 0 0}
.contact-aside{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:32px 30px;
}
.contact-aside .row{padding:16px 0;border-bottom:1px solid var(--line)}
.contact-aside .row:last-child{border-bottom:0;padding-bottom:0}
.contact-aside .k{
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:#7A8894;display:block;margin-bottom:7px;
}
.contact-aside .v{font-size:16.5px;color:var(--ink);font-weight:600;text-decoration:none}
a.v:hover{color:var(--red)}

/* ---------- footer ---------- */
.ftr{background:var(--ink);color:#8397A8;padding:64px 0 34px;font-size:14.5px}
.ftr-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;padding-bottom:40px;
  border-bottom:1px solid var(--line-dark)}
.ftr h4{
  color:#fff;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.19em;
  text-transform:uppercase;font-weight:500;margin-bottom:18px;
}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:11px}
.ftr a{text-decoration:none;transition:color .2s}
.ftr a:hover{color:#fff}
.ftr-bot{display:flex;justify-content:space-between;gap:20px;padding-top:26px;
  font-size:13px;color:#5F7386;flex-wrap:wrap}
.ftr .brand{margin-bottom:18px;display:inline-flex}
.ftr .blurb{max-width:38ch;font-size:14.5px;margin:0}

/* ---------- motion ---------- */
/* Hero entrance is CSS-only on purpose: above-the-fold copy must never
   depend on JS running. Below-the-fold uses .reveal + IntersectionObserver. */
@keyframes riseIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.rise{opacity:0;animation:riseIn .82s var(--ease) forwards}
.rise[data-d="1"]{animation-delay:.10s}
.rise[data-d="2"]{animation-delay:.20s}
.rise[data-d="3"]{animation-delay:.30s}
.rise[data-d="4"]{animation-delay:.40s}

.reveal{opacity:0;transform:translateY(22px);
  transition:opacity .78s var(--ease),transform .78s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.09s}
.reveal[data-d="2"]{transition-delay:.18s}
.reveal[data-d="3"]{transition-delay:.27s}
.reveal[data-d="4"]{transition-delay:.36s}
.reveal[data-d="5"]{transition-delay:.45s}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .rise{opacity:1;animation:none}
  .card:hover{transform:none}
  .hero-media img{transform:none !important}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:38px;align-items:start}
  .hero-side{border-left:0;border-top:1px solid var(--line-dark);padding-left:0;padding-top:26px}
  .split{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr;gap:16px}
  .caps,.people{grid-template-columns:1fr;gap:0}
  .ftr-top{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .navtoggle{display:block}
  .nav{
    position:absolute;top:100%;left:0;right:0;background:var(--ink);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;
    border-bottom:1px solid var(--line-dark);display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line-dark)}
  .nav .btn{margin-top:14px;justify-content:center}
  .nav a.btn{border-bottom:1px solid transparent}
  .form-grid{grid-template-columns:1fr}
  .stats{gap:30px}
  .ftr-top{grid-template-columns:1fr;gap:30px}
  .hero-cta .btn{flex:1 1 100%}
}