/* =========================================================================
   Fed Supernova Simulation Solutions — Design System
   Desktop-first B2B lead-gen. Defense-tech aesthetic.
   ========================================================================= */

:root {
  /* Palette */
  --bg:            #0a0f1c;   /* deep navy */
  --bg-2:          #0f172a;   /* slate 900 */
  --panel:         #111a2e;   /* card surface */
  --panel-2:       #16213a;
  --line:          #22314f;   /* borders */
  --ink:           #eef3fb;   /* primary text */
  --ink-soft:      #a9b8d4;   /* secondary text */
  --ink-dim:       #6d7fa3;   /* tertiary text */
  --accent:        #29d3c9;   /* electric teal */
  --accent-2:      #4f9dff;   /* signal blue */
  --amber:         #ffb020;   /* alert amber */
  --green:         #34d17f;   /* non-dilutive badge */
  --danger:        #ff6b6b;

  --radius:        14px;
  --radius-sm:     9px;
  --maxw:          1240px;
  --shadow:        0 18px 50px -18px rgba(0,0,0,.65);
  --shadow-sm:     0 8px 24px -12px rgba(0,0,0,.55);

  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Radial ambience */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(41,211,201,.10), transparent 60%),
    radial-gradient(900px 520px at 8% 4%, rgba(79,157,255,.10), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.1rem, 3.4vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.3vw, 2.35rem); font-weight: 780; }
h3 { font-size: 1.28rem; font-weight: 700; }
p  { margin: 0 0 1rem; color: var(--ink-soft); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
.eyebrow {
  display: inline-block;
  font: 700 .78rem/1 var(--mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding: .45em .8em;
  border: 1px solid rgba(41,211,201,.32);
  border-radius: 999px;
  background: rgba(41,211,201,.06);
}
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 62ch; }
.muted { color: var(--ink-dim); }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 700; font-size: 1rem;
  padding: .85em 1.5em;
  border-radius: 11px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .14s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a;
  box-shadow: 0 10px 30px -10px rgba(41,211,201,.6);
}
.btn-primary:hover { color: #04121a; box-shadow: 0 16px 40px -12px rgba(41,211,201,.75); }
.btn-ghost {
  background: rgba(255,255,255,.03);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--ink); }
.btn-lg { padding: 1.05em 1.9em; font-size: 1.08rem; }
.btn-sm { padding: .6em 1.05em; font-size: .9rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,15,28,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; gap: 20px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand:hover { color: var(--ink); }
.brand .logo { width: 38px; height: 38px; flex: none; }
.brand .name { display: flex; flex-direction: column; line-height: 1.05; }
.brand .name b { color: var(--ink); font-size: 1.02rem; letter-spacing: -.01em; }
.brand .name span { font: 600 .66rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--ink-soft); font-weight: 600; font-size: .96rem;
  padding: .5em .85em; border-radius: 8px;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); background: rgba(255,255,255,.05); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

.hamburger {
  display: none; width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(255,255,255,.03); cursor: pointer;
  color: var(--ink); align-items: center; justify-content: center;
}
.hamburger svg { width: 22px; height: 22px; }

/* Mobile drawer */
.drawer-backdrop {
  position: fixed; inset: 0; background: rgba(3,7,15,.6);
  opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 60;
}
.drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(360px, 86vw);
  background: var(--bg-2); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform .28s ease; z-index: 61;
  padding: 26px 22px; display: flex; flex-direction: column; gap: 6px;
  overflow-y: auto;
}
body.drawer-open .drawer { transform: translateX(0); }
body.drawer-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
.drawer .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.drawer a {
  color: var(--ink); font-weight: 600; font-size: 1.05rem;
  padding: .8em .6em; border-radius: 9px; border-bottom: 1px solid var(--line);
}
.drawer a:hover { background: rgba(255,255,255,.05); }
.drawer .drawer-cta { margin-top: 18px; display: grid; gap: 10px; }
.drawer .close-x { background: none; border: none; color: var(--ink-soft); cursor: pointer; }

/* ---------- Sections ---------- */
section { padding: 84px 0; position: relative; z-index: 1; }
section.tight { padding: 56px 0; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--accent); }
.hero .lede { margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 22px; color: var(--ink-dim); font-size: .9rem; }
.hero-trust b { color: var(--ink); }
.hero-visual { position: relative; }
.hero-visual .frame {
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: var(--panel); box-shadow: var(--shadow);
}
.hero-visual .frame .cap {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  border-bottom: 1px solid var(--line); font: 600 .74rem/1 var(--mono);
  color: var(--ink-dim); letter-spacing: .1em; text-transform: uppercase;
}
.hero-visual .frame .cap i { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 22px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; position: relative; transition: transform .16s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(41,211,201,.45); box-shadow: var(--shadow-sm); }
.card h3 { margin-bottom: .35em; }
.card p { margin-bottom: 0; font-size: .96rem; }
.card .ico { width: 52px; height: 52px; margin-bottom: 16px; }

/* Feature list */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-soft); }
.checks li svg { flex: none; width: 22px; height: 22px; margin-top: 2px; color: var(--accent); }
.checks li b { color: var(--ink); }

/* Application tiles (with SVG visuals) */
.app-tile { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.app-tile .art { aspect-ratio: 16 / 10; background: #0b1426; border-bottom: 1px solid var(--line); position: relative; }
.app-tile .art svg { width: 100%; height: 100%; }
.app-tile .body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.app-tile .num { font: 700 .74rem/1 var(--mono); color: var(--accent); letter-spacing: .12em; margin-bottom: 8px; }
.app-tile .tools { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.app-tile .funders { margin-top: 12px; font-size: .82rem; color: var(--ink-dim); }
.app-tile .funders b { color: var(--ink-soft); font-weight: 600; }

/* Tags / badges */
.tag {
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 .74rem/1 var(--mono); letter-spacing: .04em;
  padding: .42em .66em; border-radius: 6px;
  background: rgba(79,157,255,.12); color: #9cc4ff; border: 1px solid rgba(79,157,255,.22);
}
.tag.teal { background: rgba(41,211,201,.12); color: #78e8e0; border-color: rgba(41,211,201,.25); }
.tag.green { background: rgba(52,209,127,.12); color: #7fe3ac; border-color: rgba(52,209,127,.28); }
.tag.amber { background: rgba(255,176,32,.12); color: #ffcf7a; border-color: rgba(255,176,32,.28); }

/* ---------- Funding Finder ---------- */
.finder { display: grid; grid-template-columns: 288px 1fr; gap: 30px; align-items: start; }
.filters {
  position: sticky; top: 92px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 20px 8px;
}
.filters .fhead { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.filters .fhead h4 { margin: 0; font-size: 1.05rem; }
.filters .clear { background: none; border: none; color: var(--accent); cursor: pointer; font-size: .84rem; font-weight: 600; }
.facet { border-top: 1px solid var(--line); padding: 14px 0; }
.facet:first-of-type { border-top: none; }
.facet > .flabel {
  display: flex; align-items: center; justify-content: space-between;
  font: 700 .76rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 12px; cursor: pointer; user-select: none;
}
.facet .opts { display: grid; gap: 9px; }
.opt { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--ink-soft); cursor: pointer; }
.opt input { accent-color: var(--accent); width: 16px; height: 16px; flex: none; }
.opt:hover { color: var(--ink); }

.finder-main .results-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; flex-wrap: wrap; gap: 12px; }
.finder-main .results-bar .count { color: var(--ink-soft); font-size: .95rem; }
.finder-main .results-bar .count b { color: var(--ink); }
.search-box { position: relative; flex: 1; min-width: 220px; max-width: 380px; }
.search-box input {
  width: 100%; padding: .7em .9em .7em 2.4em; border-radius: 10px;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink); font-size: .95rem;
}
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-box svg { position: absolute; left: .8em; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--ink-dim); }

.mobile-filter-toggle { display: none; }

.fund-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.fund-card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; cursor: pointer;
  transition: transform .16s ease, border-color .2s ease, box-shadow .2s ease;
}
.fund-card:hover { transform: translateY(-3px); border-color: rgba(41,211,201,.45); box-shadow: var(--shadow-sm); }
.fund-card .fc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.fund-card .fc-funder { font: 700 .74rem/1 var(--mono); color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.fund-card h3 { font-size: 1.16rem; margin: 2px 0 8px; }
.fund-card .fc-desc { font-size: .92rem; color: var(--ink-soft); margin-bottom: 14px; flex: 1; }
.fund-card .fc-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.fund-card .fc-award { display: flex; align-items: baseline; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 12px; }
.fund-card .fc-award .lbl { font-size: .74rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .08em; }
.fund-card .fc-award .val { font-weight: 800; color: var(--ink); font-size: 1.05rem; }
.fund-card .fc-more { color: var(--accent); font-size: .84rem; font-weight: 600; margin-top: 10px; }

.no-results { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--ink-dim); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(3,7,15,.72); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 80;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px;
  max-width: 620px; width: 100%; max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow);
  transform: translateY(14px); transition: transform .2s;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-head { padding: 24px 26px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg-2); }
.modal-head .close-x { position: absolute; top: 18px; right: 18px; background: none; border: 1px solid var(--line); border-radius: 8px; width: 34px; height: 34px; color: var(--ink-soft); cursor: pointer; }
.modal-head .m-funder { font: 700 .74rem/1 var(--mono); color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.modal-head h3 { margin: 6px 0 0; font-size: 1.4rem; padding-right: 40px; }
.modal-body { padding: 24px 26px; }
.modal-body .kv { display: grid; grid-template-columns: 130px 1fr; gap: 8px 16px; margin-bottom: 20px; }
.modal-body .kv dt { color: var(--ink-dim); font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.modal-body .kv dd { margin: 0; color: var(--ink); font-weight: 600; font-size: .95rem; }
.modal-body .verify { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; margin-bottom: 20px; }
.modal-foot { border-top: 1px solid var(--line); padding: 20px 26px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.big-cta { display: flex; flex-direction: column; gap: 16px; margin-bottom: 26px; }
.cta-row {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  transition: border-color .2s ease, transform .14s ease;
}
.cta-row:hover { border-color: var(--accent); transform: translateY(-2px); }
.cta-row .ic { width: 48px; height: 48px; flex: none; border-radius: 11px; display: grid; place-items: center; background: rgba(41,211,201,.1); color: var(--accent); }
.cta-row .ic svg { width: 24px; height: 24px; }
.cta-row .t b { display: block; color: var(--ink); font-size: 1.05rem; }
.cta-row .t span { color: var(--ink-soft); font-size: .9rem; }

form .field { margin-bottom: 16px; }
form label { display: block; font-size: .86rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
form label .req { color: var(--accent); }
form input, form select, form textarea {
  width: 100%; padding: .78em .9em; border-radius: 10px;
  background: #0b1220; border: 1px solid var(--line); color: var(--ink); font-size: .96rem; font-family: inherit;
}
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--accent); }
form textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: .82rem; color: var(--ink-dim); margin-top: 6px; }
.form-msg { display: none; padding: 14px 16px; border-radius: 10px; margin-bottom: 16px; font-weight: 600; }
.form-msg.ok { display: block; background: rgba(52,209,127,.12); border: 1px solid rgba(52,209,127,.35); color: #9be9bf; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(41,211,201,.14), rgba(79,157,255,.12));
  border: 1px solid var(--line); border-radius: 20px; padding: 52px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band h2 { margin-bottom: .4em; }
.cta-band .btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Stats strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats .stat { padding: 24px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.stats .stat b { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -.02em; }
.stats .stat span { font-size: .86rem; color: var(--ink-dim); }

/* ---------- Physics strip ---------- */
.physics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.phys { display: flex; gap: 14px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.phys svg { width: 40px; height: 40px; flex: none; }
.phys b { display: block; color: var(--ink); font-size: 1rem; }
.phys span { font-size: .82rem; color: var(--ink-dim); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 30px; margin-top: 40px; position: relative; z-index: 1; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 34px; margin-bottom: 40px; }
.footer-grid h5 { font: 700 .76rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-dim); margin: 0 0 16px; }
.footer-grid a { display: block; color: var(--ink-soft); font-size: .92rem; padding: 5px 0; }
.footer-grid a:hover { color: var(--accent); }
.footer-brand p { font-size: .9rem; max-width: 34ch; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: .82rem; color: var(--ink-dim); }
.disclaimer { font-size: .78rem; color: var(--ink-dim); line-height: 1.6; margin-top: 18px; max-width: 90ch; }

/* ---------- Utility ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.divider { height: 1px; background: var(--line); border: none; margin: 0; }

/* ---------- Responsive (mobile still works; desktop-first) ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .finder { grid-template-columns: 1fr; }
  .filters { position: static; }
  .mobile-filter-toggle { display: inline-flex; }
  .filters.mobile-collapsed { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-links, .nav-cta .btn { display: none; }
  .hamburger { display: inline-flex; }
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-3 { grid-template-columns: 1fr; }
  .physics { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .fund-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  section { padding: 60px 0; }
  .wrap { padding: 0 18px; }
  .grid.cols-2, .grid.cols-4 { grid-template-columns: 1fr; }
  .cta-band { padding: 34px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  .modal-body .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .modal-body .kv dd { margin-bottom: 10px; }
}