/* =========================================================
   OM SAI FIBERNET — Design tokens
   Palette drawn from the brand mark (navy + orange), with a
   single cyan "signal" accent used only in the network motif.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --navy-900:#070f24;
  --navy-800:#0b1a38;
  --navy-700:#122754;
  --orange-500:#f4600f;
  --orange-400:#ff8a3d;
  --cyan-400:#3ec6f2;
  --paper:#f6f7fb;
  --paper-dim:#eef0f6;
  --white:#ffffff;
  --ink:#0e1526;
  --muted:#5b6577;
  --line:#e2e5ee;

  --font-display:'Roboto', system-ui, sans-serif;
  --font-body:'Roboto', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;
  
  --radius:14px;
  --radius-sm:8px;
  --shadow-lg:0 24px 60px -20px rgba(7,15,36,.35);
  --shadow-sm:0 8px 20px -10px rgba(7,15,36,.25);
  --maxw:1160px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;line-height:1.08;letter-spacing:-0.01em;}
p{margin:0;color:var(--muted);line-height:1.65;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orange-500);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;background:var(--orange-500);
}

:focus-visible{
  outline:2px solid var(--cyan-400);
  outline-offset:3px;
  border-radius:4px;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.95rem;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--orange-500);color:#fff;box-shadow:0 12px 24px -10px rgba(244,96,15,.55);}
.btn-primary:hover{background:var(--orange-400);}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,.08);}
.btn-outline{background:transparent;color:var(--navy-800);border-color:var(--line);}
.btn-outline:hover{border-color:var(--navy-800);}
.btn-block{width:100%;}

/* =========== Header / Nav =========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,15,36,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand-word{font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:.01em;line-height:1.1;}
.brand-word span{display:block;font-family:var(--font-mono);font-size:.6rem;color:var(--cyan-400);letter-spacing:.16em;font-weight:400;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  color:rgba(255,255,255,.78);font-size:.92rem;font-weight:500;
  position:relative;padding:4px 0;transition:color .15s ease;
}
.nav-links a:hover,.nav-links a.active{color:#fff;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--orange-500);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:none;color:#fff;cursor:pointer;padding:6px;}

@media (max-width: 860px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:var(--navy-900);
    flex-direction:column;align-items:flex-start;gap:0;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-links.open{max-height:320px;}
  .nav-links a{padding:16px 28px;width:100%;border-top:1px solid rgba(255,255,255,.06);}
  .nav-toggle{display:block;}
  .nav-cta .btn-primary{display:none;}
}

/* =========== Hero w/ network canvas signature =========== */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 78% 15%, var(--navy-700) 0%, var(--navy-800) 45%, var(--navy-900) 100%);
  overflow:hidden;
  padding:88px 0 96px;
}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85;}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.hero h1{color:#fff;font-size:clamp(2.3rem,4.2vw,3.4rem);}
.hero h1 em{font-style:normal;color:var(--orange-400);}
.hero p.lead{color:rgba(255,255,255,.72);font-size:1.08rem;max-width:520px;margin-top:20px;}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-panel{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:26px;
  backdrop-filter:blur(6px);
}
.hero-panel .signal-row{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.hero-panel .signal-row:last-child{border-bottom:none;}
.hero-panel .signal-row .ic{
  width:36px;height:36px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:rgba(62,198,242,.12);color:var(--cyan-400);
}
.hero-panel .signal-row strong{display:block;color:#fff;font-size:.92rem;font-weight:600;}
.hero-panel .signal-row span{display:block;color:rgba(255,255,255,.55);font-size:.78rem;font-family:var(--font-mono);margin-top:2px;}

@media (max-width: 860px){
  .hero-grid{grid-template-columns:1fr;}
  .hero{padding:56px 0 64px;}
}

/* =========== Sections generic =========== */
section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.section-head p{margin-top:14px;font-size:1.02rem;}
.section-dark{background:var(--navy-900);color:#fff;}
.section-dark p{color:rgba(255,255,255,.62);}
.section-dark .section-head h2{color:#fff;}
.section-alt{background:var(--paper-dim);}

/* Trust strip */
.trust-strip{background:var(--white);border-bottom:1px solid var(--line);padding:22px 0;}
.trust-strip .wrap{display:flex;flex-wrap:wrap;gap:28px 40px;align-items:center;justify-content:space-between;}
.trust-strip .item{display:flex;align-items:center;gap:10px;color:var(--navy-800);font-weight:600;font-size:.88rem;}
.trust-strip .item svg{color:var(--orange-500);flex:none;}

/* Service cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr);} }
@media (max-width:620px){.grid-3,.grid-2{grid-template-columns:1fr;} }

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:transparent;}
.card .ic{
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--orange-500),var(--orange-400));
  display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;
}
.card h3{font-size:1.08rem;margin-bottom:9px;}
.card p{font-size:.92rem;}
.card .tag{
  font-family:var(--font-mono);font-size:.68rem;color:var(--muted);
  letter-spacing:.08em;text-transform:uppercase;margin-top:14px;display:block;
}

/* CTA band */
.cta-band{
  background:linear-gradient(120deg,var(--orange-500),#ff7a1f);
  border-radius:20px;padding:50px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  color:#fff;
}
.cta-band h3{font-size:1.6rem;color:#fff;max-width:520px;}
.cta-band p{color:rgba(255,255,255,.85);margin-top:8px;}
.cta-band .btn-primary{background:#fff;color:var(--orange-500);box-shadow:none;}
.cta-band .btn-primary:hover{background:var(--navy-900);color:#fff;}

/* Footer */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.6);padding:60px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-grid h4{color:#fff;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;font-family:var(--font-mono);font-weight:500;margin-bottom:16px;}
.footer-grid a,.footer-grid li{display:block;color:rgba(255,255,255,.6);font-size:.92rem;padding:6px 0;}
.footer-grid a:hover{color:var(--orange-400);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;flex-wrap:wrap;gap:10px;font-size:.82rem;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;} }

/* Page hero (inner pages) */
.page-hero{
  background:radial-gradient(120% 160% at 15% 0%, var(--navy-700), var(--navy-900) 70%);
  padding:68px 0 70px;color:#fff;
}
.page-hero h1{font-size:clamp(2rem,3.6vw,2.7rem);color:#fff;}
.page-hero p{color:rgba(255,255,255,.68);margin-top:14px;max-width:560px;}
.breadcrumb{font-family:var(--font-mono);font-size:.75rem;color:var(--cyan-400);letter-spacing:.08em;margin-bottom:16px;text-transform:uppercase;}

/* About page bits */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:860px){.split{grid-template-columns:1fr;} }
.value-row{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line);}
.value-row:last-child{border-bottom:1px solid var(--line);}
.value-row .num{font-family:var(--font-mono);color:var(--orange-500);font-weight:600;flex:none;width:34px;}
.value-row h4{font-size:1rem;margin-bottom:6px;}
.value-row p{font-size:.92rem;}

.area-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.area-list span{
  font-family:var(--font-mono);font-size:.76rem;padding:7px 13px;border-radius:999px;
  background:var(--paper-dim);border:1px solid var(--line);color:var(--navy-800);
}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;} }
.contact-card{
  background:var(--navy-900);color:#fff;border-radius:var(--radius);padding:32px;
}
.contact-card h3{color:#fff;font-size:1.2rem;margin-bottom:6px;}
.contact-card p{color:rgba(255,255,255,.6);font-size:.92rem;}
.contact-list{margin-top:26px;display:flex;flex-direction:column;gap:20px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;}
.contact-list .ic{
  width:38px;height:38px;border-radius:10px;background:rgba(62,198,242,.12);color:var(--cyan-400);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.contact-list strong{display:block;color:#fff;font-size:.92rem;}
.contact-list span,.contact-list a{color:rgba(255,255,255,.62);font-size:.88rem;}
.map-embed{margin-top:24px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.map-embed iframe{width:100%;height:190px;border:0;display:block;filter:grayscale(.2) invert(.92) contrast(.9);}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:560px){.form-row{grid-template-columns:1fr;} }
.field{margin-bottom:18px;}
.field label{display:block;font-size:.84rem;font-weight:600;color:var(--navy-800);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;font-family:var(--font-body);font-size:.95rem;color:var(--ink);
  background:var(--paper);transition:border-color .15s ease, box-shadow .15s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange-500);box-shadow:0 0 0 3px rgba(244,96,15,.12);
}
.field textarea{resize:vertical;min-height:120px;}
.form-status{
  margin-top:16px;font-size:.88rem;font-family:var(--font-mono);
  padding:12px 14px;border-radius:var(--radius-sm);display:none;
}
.form-status.ok{display:block;background:#e9f9ee;color:#127a3c;border:1px solid #bfeccd;}
.form-status.err{display:block;background:#fdecec;color:#b3261e;border:1px solid #f7c6c4;}
.form-status.pending{display:block;background:var(--paper-dim);color:var(--muted);}

/* Services detail page */
.services-detail .card{padding:34px 30px;}
.services-detail .ic{width:52px;height:52px;}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .btn:hover,.card:hover{transform:none;}
}