/* =========================================================
   Helicon Defense — austere charcoal, leaf-green accent
   Same family as NuvoNexus / MacroVation. NO GOLD.
   ========================================================= */

:root{
  --ink: #0E1112;
  --panel: #14181A;
  --panel-2: #1A1F22;
  --line: rgba(255,255,255,0.07);
  --line-2: rgba(255,255,255,0.13);
  --text: #E6E9EA;
  --text-2: #A2A8AB;
  --text-3: #6A6F71;
  --forest: #1D6839;
  --leaf: #3FA34D;
  --cream: #F4F1EA;

  --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", Calibri, sans-serif;
  --ff-display: "DM Sans", "Inter", system-ui, sans-serif;

  --container: 1180px;
  --gap-section: clamp(72px, 9vw, 128px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: var(--ff-body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}

.container{
  width:100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* HEADER */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14,17,18,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, background .2s;
}
.site-header.is-scrolled{
  border-bottom-color: var(--line);
  background: rgba(14,17,18,0.95);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap: 12px;
  color: var(--text);
}
.brand-mark{ width: 22px; height: 22px; color: var(--leaf); }
.brand-word{
  font-family: var(--ff-display);
  font-weight: 600;
  letter-spacing: 0.2em;
  font-size: 13px;
}
.site-nav{
  display:flex;
  gap: 32px;
}
.site-nav a{
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
  transition: color .15s;
}
.site-nav a:hover{ color: var(--text); }

/* HERO */
.hero{
  position: relative;
  padding: clamp(96px, 14vw, 180px) 0 clamp(80px, 10vw, 140px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(63,163,77,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(63,163,77,0.04) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 90%);
  pointer-events: none;
}
.hero-corner{
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--leaf);
  opacity: 0.5;
}
.hero-corner--tl{ top: 32px; left: clamp(20px, 4vw, 48px); border-right:none; border-bottom:none; }
.hero-corner--tr{ top: 32px; right: clamp(20px, 4vw, 48px); border-left:none; border-bottom:none; }
.hero-corner--bl{ bottom: 32px; left: clamp(20px, 4vw, 48px); border-right:none; border-top:none; }
.hero-corner--br{ bottom: 32px; right: clamp(20px, 4vw, 48px); border-left:none; border-top:none; }

.hero-inner{ position: relative; }
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
  margin-bottom: 32px;
}
.eyebrow-dot{
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--leaf);
  display: inline-block;
}
.hero-title{
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  max-width: 16ch;
}
.hero-line{ display: block; }
.hero-line--accent{ color: var(--leaf); }
.hero-lede{
  max-width: 56ch;
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--text-2);
  margin-bottom: 40px;
}
.hero-cta{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary{
  background: var(--leaf);
  color: var(--ink);
}
.btn-primary:hover{ background: #4FB35D; }
.btn-ghost{
  border-color: var(--line-2);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--leaf); color: var(--leaf); }

.hero-meta{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  max-width: 640px;
}
.hero-meta div{ display: flex; flex-direction: column; gap: 6px; }
.hero-meta dt{
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
}
.hero-meta dd{
  font-family: var(--ff-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

/* SECTION HEADERS */
.section-head{
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 60ch;
}
.kicker{
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
  margin-bottom: 18px;
}
.kicker--light{ color: rgba(244,241,234,0.75); }
.kicker-num{
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--leaf);
  color: var(--leaf);
  font-family: var(--ff-display);
}
.h2{
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 18px;
}
.h2--light{ color: var(--cream); }
.section-intro{
  color: var(--text-2);
  font-size: 16px;
  max-width: 56ch;
}

/* CAPABILITIES */
.capabilities{ padding: var(--gap-section) 0; }
.cap-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.cap-card{
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 36px 32px;
  position: relative;
  transition: border-color .2s;
}
.cap-card:hover{ border-color: var(--leaf); }
.cap-card__head{
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.cap-card__num{
  font-family: var(--ff-display);
  color: var(--leaf);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
}
.cap-card__title{
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 14px;
}
.cap-card__desc{
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ABOUT */
.about{
  padding: var(--gap-section) 0;
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.about-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-col p{
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 18px;
  max-width: 56ch;
}
.about-col strong{ color: var(--text); font-weight: 600; }
.about-col--meta{ padding-left: 32px; border-left: 1px solid var(--line); }
.about-meta{ display: flex; flex-direction: column; gap: 24px; }
.about-meta div{ display: flex; flex-direction: column; gap: 4px; }
.about-meta dt{
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
}
.about-meta dd{
  font-family: var(--ff-display);
  font-size: 15px;
  color: var(--text);
}

/* CONTACT */
.contact{
  padding: var(--gap-section) 0;
  background: var(--forest);
  color: var(--cream);
  border-top: 1px solid var(--line);
}
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-copy .kicker--light .kicker-num{
  border-color: rgba(244,241,234,0.4);
  color: var(--cream);
}
.contact-lede{
  color: rgba(244,241,234,0.85);
  font-size: 16px;
  line-height: 1.6;
  max-width: 50ch;
}
.contact-form{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background: rgba(14,17,18,0.25);
  border: 1px solid rgba(244,241,234,0.2);
  padding: 32px;
}
.field{ display: flex; flex-direction: column; gap: 6px; }
.field--full{ grid-column: 1 / -1; }
.field-label{
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.7);
  font-weight: 600;
}
.field input,
.field textarea{
  font: inherit;
  background: rgba(244,241,234,0.06);
  border: 1px solid rgba(244,241,234,0.2);
  color: var(--cream);
  padding: 10px 12px;
  outline: none;
  transition: border-color .15s, background .15s;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder{
  color: rgba(244,241,234,0.45);
}
.field input:focus,
.field textarea:focus{
  border-color: var(--leaf);
  background: rgba(244,241,234,0.1);
}
.btn-submit{
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 8px;
}
.contact-direct{
  grid-column: 1 / -1;
  font-size: 13px;
  color: rgba(244,241,234,0.7);
  line-height: 1.5;
}
.contact-direct a{ color: var(--cream); border-bottom: 1px solid rgba(244,241,234,0.4); }

/* FOOTER */
.site-footer{
  background: var(--ink);
  padding: 56px 0 32px;
  border-top: 1px solid var(--line);
}
.footer-inner{
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  margin-bottom: 40px;
  align-items: start;
}
.footer-brand{
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.footer-brand .brand-mark{ color: var(--leaf); }
.footer-cols{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col{ display: flex; flex-direction: column; gap: 8px; }
.footer-col a, .footer-col span{
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}
.footer-col a:hover{ color: var(--leaf); }
.footer-label{
  font-size: 10px !important;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-3) !important;
  font-weight: 600;
  margin-bottom: 4px;
}
.footer-addr{
  font-size: 12px !important;
  color: var(--text-3) !important;
}
.footer-legal{
  border-top: 1px solid var(--line);
  padding-top: 24px;
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-export{
  font-size: 11px;
  color: var(--text-3);
}

/* RESPONSIVE */
@media (max-width: 960px){
  .cap-grid{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .about-col--meta{ padding-left: 0; border-left: none; padding-top: 32px; border-top: 1px solid var(--line); }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .site-nav{ display: none; }
  .footer-cols{ grid-template-columns: 1fr; }
  .hero-meta{ grid-template-columns: 1fr 1fr; gap: 20px; }
  .contact-form{ grid-template-columns: 1fr; padding: 24px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}