/* ============================================================
   KDA Holdings — design tokens
   Palette pulled from the logo: navy outline + sky-blue fill,
   plus a single warm "signal" accent used only in the hero.
   ============================================================ */
:root{
  --navy-deep:   #0A3550;   /* darkest, hero/footer backgrounds */
  --navy:        #0C659F;   /* logo navy, links, headings accents */
  --sky:         #9BD7E7;   /* logo sky blue */
  --sky-soft:    #E7F5FA;   /* tinted background panels */
  --ink:         #0E1318;   /* near-black body text */
  --paper:       #F7FAFC;   /* page background */
  --white:       #FFFFFF;
  --signal:      #F2A93C;   /* warm accent, used sparingly for "live" moments */
  --line:        #DCE7ED;   /* hairline borders */

  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --maxw: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--navy); text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,h2,h3{
  font-family: var(--font-display);
  color: var(--navy-deep);
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.2rem, 4.2vw, 3.4rem); line-height:1.08; }
h2{ font-size: clamp(1.6rem, 2.6vw, 2.2rem); line-height:1.15; }
h3{ font-size: 1.15rem; }
p{ margin:0 0 1em; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(242,169,60,.6);
  animation: pulse-dot 2.2s infinite;
}
@keyframes pulse-dot{
  0%{ box-shadow: 0 0 0 0 rgba(242,169,60,.55); }
  70%{ box-shadow: 0 0 0 6px rgba(242,169,60,0); }
  100%{ box-shadow: 0 0 0 0 rgba(242,169,60,0); }
}

/* ---------- header ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(247,250,252,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; }
.brand img{ height: 28px; width:auto; }
.main-nav{ display:flex; align-items:center; gap: 28px; }
.main-nav a{
  font-size: .95rem; font-weight: 500; color: var(--ink);
}
.main-nav a:hover{ color: var(--navy); }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family: var(--font-body); font-weight: 600; font-size:.95rem;
  padding: 12px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background: var(--navy-deep); color: var(--white);
}
.btn-primary:hover{ background: var(--navy); transform: translateY(-1px); }
.btn-ghost{
  background: transparent; border-color: var(--navy-deep); color: var(--navy-deep);
}
.btn-ghost:hover{ background: var(--navy-deep); color: var(--white); }
.nav-cta{ margin-left: 4px; }

/* ---------- hero ---------- */
.hero{
  background: linear-gradient(180deg, var(--paper) 0%, var(--sky-soft) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items:center;
  padding-top: 72px;
  padding-bottom: 72px;
}
.hero-copy p.lead{
  font-size: 1.1rem;
  color:#3B4750;
  max-width: 46ch;
}
.hero-actions{ display:flex; gap:14px; margin-top: 28px; flex-wrap: wrap; }

/* signal visual */
.signal-stage{
  position: relative;
  aspect-ratio: 1/1;
  max-width: 380px;
  margin: 0 auto;
}
.signal-ring{
  position:absolute; top:50%; left:50%;
  width: 40%; height:40%;
  border:1.5px solid var(--navy);
  border-radius:50%;
  transform: translate(-50%,-50%) scale(0.4);
  opacity:0;
  animation: ring-out 3.6s ease-out infinite;
}
.signal-ring.r2{ animation-delay: 1.2s; }
.signal-ring.r3{ animation-delay: 2.4s; }
@keyframes ring-out{
  0%{ transform: translate(-50%,-50%) scale(.35); opacity:.65; }
  85%{ opacity:0; }
  100%{ transform: translate(-50%,-50%) scale(1.9); opacity:0; }
}
.signal-core{
  position:absolute; top:50%; left:50%;
  width: 96px; height:96px;
  transform: translate(-50%,-50%);
  background: var(--navy-deep);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px rgba(10,53,80,.25);
}
.signal-core span{
  font-family: var(--font-mono);
  color: var(--sky);
  font-size: .68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  text-align:center;
}
.lead-dot{
  position:absolute;
  width: 10px; height:10px;
  border-radius:50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(242,169,60,.18);
}
.lead-dot.d1{ top: 6%;  left: 18%; animation: travel 4s ease-in-out infinite; }
.lead-dot.d2{ top: 12%; left: 78%; animation: travel 4s ease-in-out infinite 1.1s; }
.lead-dot.d3{ top: 82%; left: 70%; animation: travel 4s ease-in-out infinite 2.2s; }
.lead-dot.d4{ top: 78%; left: 14%; animation: travel 4s ease-in-out infinite 3.1s; }
@keyframes travel{
  0%{ transform: scale(1); opacity:0; }
  15%{ opacity:1; }
  90%{ transform: translate(var(--tx,0),var(--ty,0)) scale(.4); opacity:0; }
  100%{ opacity:0; }
}
.lead-dot.d1{ --tx: 90px; --ty: 90px; }
.lead-dot.d2{ --tx: -70px; --ty: 95px; }
.lead-dot.d3{ --tx: -85px; --ty: -75px; }
.lead-dot.d4{ --tx: 80px; --ty: -70px; }

@media (prefers-reduced-motion: reduce){
  .signal-ring, .lead-dot, .eyebrow::before{ animation: none !important; }
}

/* ---------- stats strip ---------- */
.stats{
  background: var(--navy-deep);
}
.stats .wrap{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 28px 24px;
}
.stat{ text-align:center; color: var(--white); }
.stat .num{
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--sky);
  display:block;
}
.stat .label{
  font-size: .78rem;
  color: #BFD9E6;
  letter-spacing:.03em;
}

/* ---------- sections ---------- */
section{ padding: 88px 0; }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head p{ color:#3B4750; font-size: 1.05rem; }

.steps{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
}
.step .step-num{
  font-family: var(--font-mono);
  color: var(--sky);
  background: var(--navy-deep);
  width: 36px; height:36px;
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  font-size: .85rem;
  margin-bottom: 18px;
}
.step h3{ margin-bottom:.4em; }
.step p{ color:#4A5660; font-size: .96rem; margin:0; }

.industries{
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tag-grid{ display:flex; flex-wrap:wrap; gap: 10px; }
.tag{
  font-family: var(--font-mono);
  font-size: .82rem;
  border: 1px solid var(--line);
  background: var(--sky-soft);
  color: var(--navy-deep);
  padding: 9px 16px;
  border-radius: 100px;
}

.features{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature h3{ display:flex; align-items:center; gap:10px; }
.feature svg{ flex:none; }
.feature p{ color:#4A5660; font-size:.96rem; }

.cta-band{
  background: var(--navy-deep);
  color: var(--white);
  text-align:center;
}
.cta-band h2{ color: var(--white); }
.cta-band p{ color:#BFD9E6; max-width: 52ch; margin:0 auto 28px; }
.cta-band .btn-primary{ background: var(--sky); color: var(--navy-deep); }
.cta-band .btn-primary:hover{ background:#fff; }

/* ---------- footer ---------- */
.site-footer{
  background: var(--navy-deep);
  color: #9FB8C7;
  border-top: 1px solid rgba(255,255,255,.08);
}
.site-footer .wrap{
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 32px 24px;
  font-size: .88rem;
}
.site-footer .brand-text{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.site-footer .brand-text .k{ color: var(--sky); }
.site-footer .brand-text .h{ color: var(--white); }
.foot-links{ display:flex; gap: 22px; flex-wrap:wrap; }
.foot-links a{ color:#BFD9E6; }
.foot-links a:hover{ color: var(--white); }

/* ---------- simple/legal pages ---------- */
.page-hero{
  background: var(--sky-soft);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 40px;
}
.page-hero .eyebrow{ margin-bottom: 10px; }
.legal{
  padding: 56px 0 96px;
}
.legal .wrap{ max-width: 760px; }
.legal h2{ margin-top: 2.2em; font-size: 1.3rem; }
.legal h2:first-of-type{ margin-top: 0; }
.legal p, .legal li{ color:#33404A; }
.legal ul{ padding-left: 1.2em; }
.legal .updated{
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--navy);
  margin-bottom: 0;
}

/* ---------- contact page ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:start;
}
.contact-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px;
}
.field{ margin-bottom: 18px; }
.field label{
  display:block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--navy-deep);
}
.field input, .field textarea, .field select{
  width:100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: .96rem;
  background: var(--paper);
  color: var(--ink);
}
.field textarea{ min-height: 120px; resize: vertical; }
.form-note{ font-size:.82rem; color:#5A6770; margin-top: 10px; }
.contact-info .info-item{
  display:flex; gap: 14px; margin-bottom: 22px;
}
.contact-info .info-item .ico{
  flex:none; width:40px; height:40px;
  border-radius:10px;
  background: var(--sky-soft);
  display:flex; align-items:center; justify-content:center;
}
.contact-info h3{ margin-bottom:.2em; font-size: 1.02rem; }
.contact-info p{ color:#4A5660; margin:0; }
.contact-info a{ color: var(--navy); font-weight:600; }

/* ---------- mobile nav ---------- */
.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  padding: 8px;
}
.nav-toggle svg{ display:block; }

@media (max-width: 880px){
  .hero .wrap{ grid-template-columns: 1fr; padding-top: 48px; }
  .signal-stage{ max-width: 280px; }
  .steps, .features{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .stats .wrap{ grid-template-columns: repeat(2,1fr); }
  .main-nav{
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--white);
    flex-direction:column;
    align-items:flex-start;
    padding: 28px 24px 32px;
    gap: 22px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 32px rgba(10,53,80,.12);
    transform: translateX(100%);
    transition: transform .25s ease;
  }
  .main-nav.open{ transform: translateX(0); }
  .nav-toggle{ display:inline-flex; }
  .main-nav a, .main-nav .btn{ width:100%; }
}