/* ============================================================
   IPSharks IP Analytics — Design System
   Palette: deep navy + brass gold, ivory paper ground
   Type: Fraunces (display) / Inter (body) / IBM Plex Mono (data)
   Signature: classification-code "stamps" used as structural
   labels throughout, echoing real CPC/IPC patent codes.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,450;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --navy-deep:#0B1F3A;
  --navy:#122C4C;
  --navy-mid:#1E4368;
  --gold:#C9A24B;
  --gold-light:#E4C878;
  --ivory:#F6F4EE;
  --paper:#FBFAF6;
  --ink:#1B2430;
  --slate:#5B6472;
  --line:#DAD4C4;
  --line-dark:#2B4463;

  --serif:'Fraunces', Georgia, serif;
  --sans:'Inter', -apple-system, sans-serif;
  --mono:'IBM Plex Mono', monospace;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{list-style:none;}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- Utility: classification stamp ---------- */
.stamp{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:0.06em;
  color:var(--navy-mid);
  border:1px solid var(--line);
  padding:3px 9px;
  border-radius:2px;
  background:var(--ivory);
  text-transform:uppercase;
}
.stamp::before{
  content:'';
  width:5px; height:5px;
  background:var(--gold);
  border-radius:1px;
  flex-shrink:0;
}

/* ---------- Header / Nav ---------- */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(11,31,58,0.97);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line-dark);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 32px;
  max-width:1180px;
  margin:0 auto;
}
.brand{
  display:flex;
  flex-direction:column;
  color:var(--ivory);
}
.brand-name{
  font-family:var(--serif);
  font-weight:600;
  font-size:19px;
  letter-spacing:0.01em;
}
.brand-sub{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.14em;
  color:var(--gold-light);
  text-transform:uppercase;
  margin-top:2px;
}
.nav-links{
  display:flex;
  gap:34px;
  align-items:center;
}
.nav-links a{
  font-size:14.5px;
  font-weight:500;
  color:#D8DFEA;
  position:relative;
  padding:4px 0;
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{color:var(--gold-light);}
.nav-links a.active::after{
  content:'';
  position:absolute; left:0; right:0; bottom:-3px;
  height:2px; background:var(--gold);
}
.nav-cta{
  border:1px solid var(--gold);
  color:var(--gold-light) !important;
  padding:8px 18px;
  border-radius:2px;
  font-family:var(--mono);
  font-size:12.5px !important;
  letter-spacing:0.05em;
  text-transform:uppercase;
}
.nav-cta:hover{background:var(--gold); color:var(--navy-deep) !important;}
.nav-toggle{display:none;}

@media (max-width:860px){
  .nav-links{
    position:fixed; top:70px; left:0; right:0;
    flex-direction:column;
    background:var(--navy-deep);
    padding:24px 32px;
    gap:20px;
    border-bottom:1px solid var(--line-dark);
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:all .2s ease;
  }
  .nav-links.open{transform:translateY(0); opacity:1; pointer-events:auto;}
  .nav-toggle{
    display:block;
    background:none; border:1px solid var(--line-dark);
    color:var(--ivory); font-size:20px;
    width:38px; height:38px; border-radius:2px;
  }
}

/* ---------- Hero ---------- */
.hero{
  background:
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color:var(--ivory);
  position:relative;
  overflow:hidden;
  padding:96px 0 90px;
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(228,200,120,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228,200,120,0.055) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 70% 60% at 60% 30%, black, transparent);
}
.scan-line{
  position:absolute; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--gold-light), transparent);
  opacity:0.55;
  animation:scan 7s ease-in-out infinite;
}
@keyframes scan{
  0%{top:8%; opacity:0;}
  8%{opacity:.6;}
  50%{top:85%; opacity:.5;}
  92%{opacity:.6;}
  100%{top:8%; opacity:0;}
}
.hero-inner{position:relative; z-index:2; max-width:720px;}
.hero .stamp{border-color:rgba(228,200,120,0.35); background:rgba(255,255,255,0.03); color:var(--gold-light); margin-bottom:22px;}
.hero h1{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(36px, 5vw, 56px);
  line-height:1.08;
  letter-spacing:-0.01em;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold-light);
}
.hero p.lede{
  font-size:17.5px;
  color:#C5CDDB;
  max-width:560px;
  margin-bottom:34px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 26px;
  font-size:14.5px; font-weight:600;
  border-radius:2px;
  transition:all .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--gold); color:var(--navy-deep);}
.btn-primary:hover{background:var(--gold-light);}
.btn-ghost{border-color:rgba(255,255,255,0.28); color:var(--ivory);}
.btn-ghost:hover{border-color:var(--gold-light); color:var(--gold-light);}
.btn-dark{border:1px solid var(--navy); color:var(--navy);}
.btn-dark:hover{background:var(--navy); color:var(--ivory);}

/* ---------- Metric strip ---------- */
.metrics{
  border-top:1px solid var(--line-dark);
  background:var(--navy-deep);
}
.metrics .wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:26px 32px;
}
.metric{
  padding:0 24px;
  border-left:1px solid var(--line-dark);
  color:var(--ivory);
}
.metric:first-child{border-left:none; padding-left:0;}
.metric .num{
  font-family:var(--serif);
  font-size:28px; font-weight:600; color:var(--gold-light);
}
.metric .lbl{
  font-family:var(--mono);
  font-size:11px; letter-spacing:0.05em;
  color:#9FAAC0; text-transform:uppercase; margin-top:4px;
}
@media (max-width:760px){
  .metrics .wrap{grid-template-columns:1fr 1fr; gap:20px 0;}
  .metric{border-left:none; border-top:1px solid var(--line-dark); padding:16px 0 0;}
  .metric:first-child, .metric:nth-child(2){border-top:none;}
}

/* ---------- Sections ---------- */
section{padding:88px 0;}
.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head .stamp{margin-bottom:16px;}
.section-head h2{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(28px,3.4vw,38px);
  color:var(--navy-deep);
  line-height:1.15;
}
.section-head p{
  color:var(--slate);
  font-size:16px;
  margin-top:14px;
}
.on-navy .section-head h2{color:var(--ivory);}
.on-navy .section-head p{color:#B9C2D4;}

/* ---------- Service cards ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.service-card{
  background:var(--paper);
  padding:36px 34px;
  transition:background .2s ease;
}
.service-card:hover{background:var(--ivory);}
.service-card .stamp{margin-bottom:18px;}
.service-card h3{
  font-family:var(--serif);
  font-size:22px; font-weight:600;
  color:var(--navy-deep);
  margin-bottom:10px;
}
.service-card p{color:var(--slate); font-size:14.8px; margin-bottom:16px;}
.service-card .learn{
  font-family:var(--mono); font-size:12.5px;
  color:var(--navy-mid); letter-spacing:0.03em;
  border-bottom:1px solid var(--gold);
  padding-bottom:2px;
}
@media (max-width:760px){.services-grid{grid-template-columns:1fr;}}

/* ---------- Process rail ---------- */
.rail{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.rail-step{
  padding:28px 26px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.rail-step .code{
  font-family:var(--mono); font-size:12px; color:var(--gold);
  letter-spacing:0.05em;
}
.rail-step h4{
  font-family:var(--serif); font-size:17px; font-weight:600;
  margin:10px 0 8px; color:var(--navy-deep);
}
.rail-step p{font-size:13.6px; color:var(--slate);}
@media (max-width:860px){.rail{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.rail{grid-template-columns:1fr;}}

/* ---------- Domain tags ---------- */
.domains{
  display:flex; flex-wrap:wrap; gap:10px;
}

/* ---------- Testimonial / quote strip ---------- */
.quote-strip{
  background:var(--ivory);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
}
.quote-strip blockquote{
  font-family:var(--serif);
  font-size:clamp(20px,2.6vw,27px);
  font-weight:450;
  line-height:1.45;
  color:var(--navy-deep);
  max-width:820px;
}
.quote-strip cite{
  display:block; margin-top:22px;
  font-family:var(--mono); font-style:normal;
  font-size:12.5px; color:var(--slate); letter-spacing:0.03em;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--navy-deep);
  color:var(--ivory);
  padding:70px 0;
  text-align:left;
}
.cta-band .wrap{
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-band h2{
  font-family:var(--serif); font-weight:600;
  font-size:clamp(24px,3vw,32px);
  max-width:520px;
}

/* ---------- Footer ---------- */
footer{
  background:var(--navy-deep);
  border-top:1px solid var(--line-dark);
  color:#96A2B8;
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-grid h5{
  font-family:var(--mono); font-size:11.5px; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--gold-light); margin-bottom:16px;
}
.footer-grid ul li{margin-bottom:10px; font-size:14px;}
.footer-grid ul li a:hover{color:var(--ivory);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:12.5px;
  font-family:var(--mono);
}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;}}

/* ---------- Page header (interior pages) ---------- */
.page-head{
  background:var(--navy-deep);
  color:var(--ivory);
  padding:64px 0 54px;
  position:relative;
  overflow:hidden;
}
.page-head h1{
  font-family:var(--serif); font-weight:600;
  font-size:clamp(32px,4.2vw,46px);
}
.page-head p{color:#C5CDDB; margin-top:14px; max-width:560px; font-size:16px;}

/* ---------- Two column layout ---------- */
.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:start;
}
@media (max-width:860px){.two-col{grid-template-columns:1fr; gap:40px;}}

/* ---------- Team / value cards ---------- */
.value-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.value-card{
  border:1px solid var(--line);
  padding:30px 26px;
  background:var(--paper);
}
.value-card .code{font-family:var(--mono); font-size:11.5px; color:var(--gold); letter-spacing:0.05em;}
.value-card h4{font-family:var(--serif); font-size:19px; margin:12px 0 8px; color:var(--navy-deep);}
.value-card p{font-size:14px; color:var(--slate);}
@media (max-width:860px){.value-grid{grid-template-columns:1fr;}}

/* ---------- Timeline (about) ---------- */
.timeline{border-left:2px solid var(--line); padding-left:30px; display:flex; flex-direction:column; gap:34px;}
.timeline-item .yr{font-family:var(--mono); font-size:12.5px; color:var(--gold); letter-spacing:0.05em;}
.timeline-item h4{font-family:var(--serif); font-size:18px; margin:6px 0 6px; color:var(--navy-deep);}
.timeline-item p{font-size:14.2px; color:var(--slate);}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:60px;
}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-info .item{margin-bottom:28px;}
.contact-info .item .lbl{font-family:var(--mono); font-size:11.5px; color:var(--gold); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:6px;}
.contact-info .item .val{font-size:15.5px; color:var(--navy-deep);}

form.iform{display:flex; flex-direction:column; gap:20px;}
.field{display:flex; flex-direction:column; gap:8px;}
.field label{font-family:var(--mono); font-size:11.5px; letter-spacing:0.05em; text-transform:uppercase; color:var(--slate);}
.field input, .field select, .field textarea{
  border:1px solid var(--line);
  background:var(--paper);
  padding:12px 14px;
  font-family:var(--sans);
  font-size:14.5px;
  color:var(--ink);
  border-radius:2px;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--gold);
  outline-offset:1px;
  border-color:var(--gold);
}
.field textarea{resize:vertical; min-height:120px;}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
@media (max-width:560px){.row2{grid-template-columns:1fr;}}

.confirm{
  display:none;
  border:1px solid var(--gold);
  background:var(--ivory);
  padding:16px 18px;
  font-size:14px;
  color:var(--navy-deep);
  margin-top:16px;
}
.confirm.show{display:block;}

/* ---------- Misc ---------- */
.divider{height:1px; background:var(--line); margin:0;}
.center{text-align:center;}