/* ============================================================
   VERTEX SUMMIT — Design Tokens
   ============================================================ */
:root{
  --bg-void:      #07070b;
  --bg-panel:     #0e0e15;
  --bg-panel-2:   #121220;
  --line:         rgba(255,255,255,0.08);
  --line-soft:    rgba(255,255,255,0.05);
  --text-primary: #f2f2f6;
  --text-muted:   #90909e;
  --text-dim:     #5f5f6c;

  --blue:         #2e7cf6;
  --blue-soft:    #5b9bff;
  --violet:       #9b3df0;
  --violet-soft:  #c17bff;
  --gradient:     linear-gradient(115deg, var(--blue) 0%, var(--violet) 100%);
  --gradient-soft:linear-gradient(115deg, rgba(46,124,246,.14), rgba(155,61,240,.14));

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --container: 1120px;
  --radius: 14px;
  --ease: cubic-bezier(.16,.8,.3,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body{
  margin:0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
img{ max-width: 100%; display:block; }
button{ font-family: inherit; cursor:pointer; }
code{
  font-family: var(--font-mono);
  background: var(--bg-panel-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .85em;
  color: var(--blue-soft);
}

/* Film grain texture for depth */
.grain{
  position: fixed; inset:0; pointer-events:none; z-index: 2;
  opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.scroll-progress{
  position: fixed; top:0; left:0; height:2px; width:0%;
  background: var(--gradient); z-index: 100; transition: width .1s linear;
}

/* ============================================================
   TYPE
   ============================================================ */
.eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-soft);
  margin: 0 0 1.1rem;
}
.section-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 0 0 2rem;
  max-width: 820px;
}
.section-title.small{ font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: .6rem; }
.grad-text{
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 0 1.5rem;
}
.lead-quote{
  font-family: var(--font-display);
  font-size: 1.3rem;
  max-width: 640px;
  margin: 0 0 2.5rem;
  color: var(--text-primary);
}
blockquote{
  font-family: var(--font-display);
  font-size: 1.2rem;
  border-left: 2px solid;
  border-image: var(--gradient) 1;
  padding-left: 1.2rem;
  margin: 1.5rem 0 0;
  color: var(--text-primary);
}

/* ============================================================
   LAYOUT HELPERS
   ============================================================ */
.section{ padding: 7rem 1.5rem; position: relative; }
.section.alt{ background: var(--bg-panel); }
.section-inner{ max-width: var(--container); margin: 0 auto; }

.peak-divider{ max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.peak-divider svg{ width:100%; height:24px; overflow: visible; }
.peak-divider path{
  fill:none; stroke: url(#peakGrad); stroke-width: 1.4;
  stroke: var(--blue);
}
.peak-divider svg{ }
.peak-divider path{
  stroke: var(--violet-soft);
  opacity:.55;
}

/* reveal-on-scroll */
.reveal{
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 50;
  padding: 1.1rem 1.5rem;
  transition: background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled{
  background: rgba(7,7,11,.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
  padding: .75rem 1.5rem;
}
.nav-inner{
  max-width: var(--container); margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between;
}
.nav-logo img{ height: 52px; width:auto; }
.nav-links{ display:flex; align-items:center; gap: 2.1rem; }
.nav-links a{
  font-size: .9rem; color: var(--text-muted);
  transition: color .2s ease;
}
.nav-links a:hover{ color: var(--text-primary); }
.nav-cta{
  color: var(--text-primary) !important;
  border: 1px solid var(--line);
  padding: .55rem 1.1rem;
  border-radius: 100px;
  position: relative;
}
.nav-cta:hover{ border-color: var(--blue-soft); }
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding: 8px;
}
.nav-toggle span{ width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  min-height: 100svh;
  display:flex; align-items:center; justify-content:center;
  padding: 8rem 1.5rem 4rem;
  overflow: hidden;
}
.hero-ridge{
  position:absolute; inset:0; width:100%; height:100%;
  opacity: .55;
}
.hero-inner{ position: relative; z-index: 1; max-width: 780px; text-align:center; margin: 0 auto; }
.site-watermark{
  position: fixed;
  top: 50%; left: 50%;
  width: min(640px, 70vw); height: auto;
  opacity: .05;
  pointer-events: none; user-select: none;
  z-index: -1;
  animation: driftWatermark 50s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes driftWatermark{
  0%   { transform: translate(-50%, -50%) translate(-6vw, -10vh) rotate(-4deg) scale(1); }
  25%  { transform: translate(-50%, -50%) translate(5vw, 4vh)  rotate(2deg)  scale(1.04); }
  50%  { transform: translate(-50%, -50%) translate(-3vw, 14vh) rotate(-2deg) scale(0.98); }
  75%  { transform: translate(-50%, -50%) translate(6vw, -6vh) rotate(3deg)  scale(1.02); }
  100% { transform: translate(-50%, -50%) translate(-5vw, 8vh) rotate(-3deg) scale(1); }
}
@media (max-width: 680px){
  .site-watermark{ width: min(420px, 85vw); opacity: .045; }
}
.hero .eyebrow{ display:inline-block; justify-content:center; }
.hero-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 1.5rem;
}
.hero-sub{
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 560px;
  margin: 0 auto 2.4rem;
}
.hero-cta{ display:flex; gap: 1rem; justify-content:center; flex-wrap: wrap; margin-bottom: 3.5rem; }
.hero-stats{
  display:flex; justify-content:center; flex-wrap: wrap; gap: 2.4rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.hero-stats div{ display:flex; flex-direction:column; align-items:center; gap:.3rem; }
.hero-stats strong{ font-family: var(--font-display); font-size: 1.5rem; }
.hero-stats span{ font-size: .78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; }

.scroll-cue{
  position:absolute; bottom: 2rem; left:50%; transform: translateX(-50%);
  width: 22px; height: 36px; border: 1px solid var(--line); border-radius: 20px;
  display:flex; justify-content:center; padding-top: 7px;
}
.scroll-cue span{
  width:3px; height:7px; border-radius: 2px; background: var(--blue-soft);
  animation: cue 1.8s infinite;
}
@keyframes cue{
  0%{ transform: translateY(0); opacity:1; }
  70%{ transform: translateY(10px); opacity:0; }
  100%{ opacity:0; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: .85rem 1.7rem;
  border-radius: 100px;
  font-size: .92rem; font-weight: 500;
  transition: transform .25s var(--ease), box-shadow .25s ease, opacity .25s ease;
  border: 1px solid transparent;
}
.btn-primary{
  background: var(--gradient); color: #fff;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(107,70,246,.55); }
.btn-ghost{
  border-color: var(--line); color: var(--text-primary);
}
.btn-ghost:hover{ border-color: var(--blue-soft); transform: translateY(-2px); }

/* ============================================================
   ABOUT
   ============================================================ */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.split-col h3{
  font-family: var(--font-display); font-size: 1.4rem; margin: 0 0 .6rem;
}
.split-col p{ color: var(--text-muted); margin:0; }

.mv-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 2.5rem 0; }
.mv-card{
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
}
.mv-label{
  font-family: var(--font-mono); font-size: .7rem; letter-spacing:.14em;
  text-transform: uppercase; color: var(--violet-soft); display:block; margin-bottom:.7rem;
}
.mv-card p{ margin:0; color: var(--text-muted); font-size: .95rem; }

.values-row{ display:flex; flex-wrap: wrap; gap: .8rem; }
.value-chip{
  display:flex; align-items:center; gap: .5rem;
  border: 1px solid var(--line); border-radius: 100px;
  padding: .5rem 1.1rem .5rem .7rem;
  font-size: .88rem; color: var(--text-muted);
}
.value-chip span{
  font-family: var(--font-mono); font-size: .7rem;
  color: var(--blue-soft);
}

/* ============================================================
   FOUNDER
   ============================================================ */
.founder-grid{
  display:grid; grid-template-columns: 120px 1fr; gap: 2.5rem; align-items:start;
}
.founder-mark{
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--bg-panel-2); border: 1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  overflow: hidden;
}
.founder-mark img{
  width:100%; height:100%; object-fit: cover; object-position: center top;
}
.founder-role{ color: var(--violet-soft); font-family: var(--font-mono); font-size: .82rem; margin: 0 0 1.2rem; letter-spacing:.04em; }

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow:hidden;
}
.service-card{
  background: var(--bg-void); padding: 2rem 1.6rem;
  transition: background .3s ease;
}
.service-card:hover{ background: var(--bg-panel); }
.service-card h3{
  font-family: var(--font-display); font-size: 1.05rem; margin: 0 0 .7rem;
}
.service-card p{ color: var(--text-muted); font-size: .88rem; margin:0; }

.icon-badge{
  width: 42px; height: 42px; border-radius: 10px;
  display:flex; align-items:center; justify-content:center;
  background: var(--gradient-soft);
  border: 1px solid var(--line);
  margin-bottom: 1.1rem;
  color: var(--blue-soft);
}
.icon-badge svg{ width: 22px; height: 22px; }
.icon-badge.small{
  width: 34px; height: 34px; border-radius: 9px; margin-bottom: .8rem;
}
.icon-badge.small svg{ width: 18px; height: 18px; }

/* ============================================================
   PROCESS
   ============================================================ */
.process-line{
  display:grid; grid-template-columns: repeat(7,1fr); gap: 1.2rem;
  position: relative; padding-top: 1.5rem;
}
.process-line::before{
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background: var(--line);
}
.process-step{ position: relative; padding-top: 1.2rem; }
.process-step::before{
  content:''; position:absolute; top:-5px; left:0;
  width:9px; height:9px; border-radius:50%; background: var(--gradient);
}
.step-num{
  font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim);
  display:block; margin-bottom: .5rem;
}
.process-step h4{ font-size: .95rem; margin: 0 0 .5rem; font-family: var(--font-display); }
.process-step p{ font-size: .82rem; color: var(--text-muted); margin:0; }

/* ============================================================
   INDUSTRIES
   ============================================================ */
.industries-grid{ display:flex; flex-wrap: wrap; gap: .9rem; }
.industry-tag{
  border: 1px solid var(--line); border-radius: 100px;
  padding: .7rem 1.4rem; font-size: .92rem; color: var(--text-muted);
  transition: border-color .25s ease, color .25s ease;
}
.industry-tag:hover{ border-color: var(--violet-soft); color: var(--text-primary); }

/* ============================================================
   CASE STUDIES / GOVERNMENT
   ============================================================ */
.case-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; }
.case-card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 2rem; background: var(--bg-void);
}
.case-tag{
  font-family: var(--font-mono); font-size: .68rem; letter-spacing:.12em;
  text-transform: uppercase; color: var(--blue-soft); display:block; margin-bottom: .8rem;
}
.case-card h3{ font-family: var(--font-display); font-size: 1.25rem; margin: 0 0 .8rem; }
.case-card p{ color: var(--text-muted); font-size: .92rem; margin: 0 0 1rem; }
.case-card ul li{
  font-size: .85rem; color: var(--text-muted); padding-left: 1.1rem; position: relative; margin-bottom: .4rem;
}
.case-card ul li::before{
  content:''; position:absolute; left:0; top:.5em; width:5px; height:5px; border-radius:50%;
  background: var(--gradient);
}

/* ============================================================
   PORTFOLIO / CLIENTS
   ============================================================ */
.clients-row{ display:flex; flex-wrap:wrap; gap: 1.6rem 2.4rem; }
.clients-row span{
  font-family: var(--font-display); font-size: 1.05rem; color: var(--text-dim);
  transition: color .25s ease;
}
.clients-row span:hover{ color: var(--text-primary); }

.portfolio-grid{
  margin-top: 2rem;
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
.portfolio-item{
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  position: relative; border: 1px solid var(--line);
  background: var(--bg-panel);
}
.portfolio-item a{ display:block; width:100%; height:100%; position:relative; }
.portfolio-item img{ width:100%; height:100%; object-fit: cover; }
.portfolio-item .ph-caption{
  position:absolute; inset:auto 0 0 0; padding: .9rem 1.1rem;
  background: linear-gradient(0deg, rgba(0,0,0,.65), transparent);
  font-size: .82rem;
}
.portfolio-placeholder{
  display:flex; flex-direction: column; align-items:center; justify-content:center; gap:.6rem;
  height: 100%; border: 1px dashed var(--line); border-radius: var(--radius);
  color: var(--text-dim); font-size: .82rem; text-align:center; padding: 1rem;
}
.portfolio-placeholder .plus{
  font-family: var(--font-display); font-size: 1.6rem;
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ============================================================
   STATS / ACHIEVEMENTS
   ============================================================ */
.stats-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.stat-card{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; background: var(--bg-void);
}
.stat-card strong{
  display:block; font-family: var(--font-display); font-size: 1.9rem; margin-bottom: .4rem;
  background: var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.stat-card span{ font-size: .85rem; color: var(--text-muted); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns: 1.3fr 1fr; gap: 2.5rem; margin-top: 2.5rem; }
.contact-form{ display:flex; flex-direction:column; gap: 1.2rem; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.contact-form label{ display:flex; flex-direction:column; gap: .5rem; font-size: .85rem; color: var(--text-muted); }
.contact-form input, .contact-form textarea{
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: 10px;
  padding: .8rem 1rem; color: var(--text-primary); font-family: inherit; font-size: .95rem;
  transition: border-color .2s ease;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{
  outline: none; border-color: var(--blue-soft);
}
.contact-form button{ align-self: flex-start; border:none; }
.form-status{ font-size: .85rem; color: var(--blue-soft); min-height: 1.2em; margin:0; }

.contact-info{ display:flex; flex-direction:column; gap: 1rem; }
.contact-link{
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; display:flex; flex-direction:column; gap:.3rem;
  transition: border-color .25s ease, transform .25s ease;
}
a.contact-link:hover{ border-color: var(--blue-soft); transform: translateX(4px); }
.contact-label{ font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing:.1em; color: var(--text-dim); }
.contact-value{ font-size: 1rem; }

.social-row{ display:flex; gap: .8rem; margin-top: .4rem; }
.social-icon{
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  color: var(--text-muted);
  transition: border-color .25s ease, color .25s ease, transform .25s ease;
}
.social-icon svg{ width: 19px; height: 19px; }
.social-icon:hover{ border-color: var(--blue-soft); color: var(--text-primary); transform: translateY(-3px); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  text-align:center; padding: 4rem 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
}
.footer-logo{ height: 34px; margin: 0 auto 1.2rem; }
.footer p{ color: var(--text-muted); font-family: var(--font-display); font-size: 1rem; margin: 0 0 1rem; }
.footer-copy{ font-family: var(--font-mono); font-size: .75rem; color: var(--text-dim) !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px){
  .split, .mv-grid, .case-grid, .contact-grid{ grid-template-columns: 1fr; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .process-line{ grid-template-columns: repeat(2,1fr); }
  .stats-grid, .portfolio-grid{ grid-template-columns: repeat(2,1fr); }
  .founder-grid{ grid-template-columns: 1fr; }
  .founder-mark{ margin-bottom: 1rem; }
}

@media (max-width: 680px){
  .nav-links{
    position: fixed; top: 68px; left:0; right:0; bottom:0;
    background: rgba(7,7,11,.98); backdrop-filter: blur(12px);
    flex-direction: column; justify-content:center; align-items:center; gap: 2rem;
    transform: translateX(100%); transition: transform .35s var(--ease);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.2rem; }
  .nav-toggle{ display:flex; }
  .services-grid{ grid-template-columns: 1fr; }
  .process-line{ grid-template-columns: 1fr; gap: 2rem; }
  .stats-grid, .portfolio-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .section{ padding: 4.5rem 1.2rem; }
}