/* ══════════════════════════════════════════
   DCE DYNAMICS — MAIN STYLESHEET
   Steel Blue · Dark/Light
   ══════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --bg:           #090C10;
  --surface:      #111928;
  --steel:        #1A2C42;
  --steel2:       #243A54;
  --text-primary: #E8EDF5;
  --text-secondary:#7A9AB8;
  --text-dim:     #587898;
  --accent:       #3A94CC;
  --accent-dim:   #226899;
  --accent-fg:    #090C10;
  --data:         #E8C040;
  --data-dim:     #B89018;
  --error:        #C1272D;
  --warn:         #F0A020;
  --ok:           #22c55e;

  --nav-h:        64px;
  --page-max:     1200px;
  --page-pad:     clamp(24px, 5vw, 72px);

  --ease:         cubic-bezier(0.25, 0, 0.25, 1);
  --ease-out:     cubic-bezier(0, 0, 0.25, 1);

  --mesh-color:      rgba(58, 148, 204, 0.08);
  --nav-scrolled-bg: rgba(17, 25, 40, 0.92);
}

[data-theme="light"] {
  --bg:           #FFFFFF;
  --surface:      #F3F6FA;
  --steel:        #C8D8E8;
  --steel2:       #DDEAF4;
  --text-primary: #0A1828;
  --text-secondary:#4A6880;
  --text-dim:     #4F7090;
  --accent:       #1E6A9A;
  --accent-dim:   #145280;
  --accent-fg:    #FFFFFF;
  --data:         #705800;
  --data-dim:     #503C00;
  --mesh-color:      rgba(30, 106, 154, 0.08);
  --nav-scrolled-bg: rgba(243, 246, 250, 0.92);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:           #FFFFFF;
    --surface:      #F3F6FA;
    --steel:        #C8D8E8;
    --steel2:       #DDEAF4;
    --text-primary: #0A1828;
    --text-secondary:#4A6880;
    --text-dim:     #4F7090;
    --accent:       #1E6A9A;
    --accent-dim:   #145280;
    --accent-fg:    #FFFFFF;
    --data:         #78C00A;
    --data-dim:     #5A9208;
    --mesh-color:      rgba(30, 106, 154, 0.08);
    --nav-scrolled-bg: rgba(243, 246, 250, 0.92);
  }
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 14px; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; border: none; outline: none; cursor: pointer; }
img { display: block; max-width: 100%; }

/* ── MESH CANVAS ── */
#mesh-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── PAGE WRAPPER ── */
.page {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
}

/* ── CONTAINER ── */
.container {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--steel), transparent);
  margin: 72px 0;
}

/* ── SECTION LABELS ── */
.section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), transparent);
  max-width: 100px;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: 32px;
}
.section-title em { font-style: normal; color: var(--accent); }

/* ── GLOBAL NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: var(--surface);
  border-bottom: 2px solid var(--accent);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  background: var(--nav-scrolled-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0px;
  flex-shrink: 0;
}
.nav-logo svg {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  transition: opacity 0.15s;
}
.nav-logo svg path { fill: var(--text-primary); transition: fill 0.15s; }
.nav-logo:hover svg path { fill: var(--accent-dim); }
.nav-logo-lockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-left: -20px;
}
.nav-logo-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  transition: color 0.15s;
  line-height: 1;
}
.nav-wordmark-dynamics { font-weight: 600; }
.nav-logo:hover .nav-logo-text { color: var(--text-primary); }
.nav-dynamics { font-size: 0.68em; letter-spacing: 0.08em; vertical-align: 0.08em; }
.nav-tagline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-secondary);
  line-height: 1;
}
.nav-items {
  display: flex;
  gap: 18px;
  margin-left: auto;
}
.nav-item {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.nav-item:hover { color: var(--text-primary); }
.nav-item.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.nav-cta { margin-left: 18px; }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--steel2);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  flex-shrink: 0;
  margin-left: 8px;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
/* show the *action*, not the current state */
[data-theme="light"] .icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: block; }
:root:not([data-theme="light"]) .icon-moon { display: none; }
:root:not([data-theme="light"]) .icon-sun  { display: block; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  margin-left: auto;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.2s;
}

/* ── BUTTONS ── */
.btn-primary {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: opacity 0.2s, transform 0.2s var(--ease);
  display: inline-block;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-secondary {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 26px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--steel2);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  display: inline-block;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 26px;
  background: transparent;
  color: var(--data);
  border: 1px solid var(--data-dim);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-block;
}
.btn-ghost:hover { background: rgba(58,158,204,0.06); }

/* ── TAGS ── */
.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--steel2);
  color: var(--text-secondary);
  display: inline-block;
}
.tag.accent { border-color: var(--accent); color: var(--accent); }
.tag.data   { border-color: var(--data-dim); color: var(--data); }

/* ── DATA READOUT ── */
.data-readout {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  line-height: 1.9;
  color: var(--data);
  background: rgba(58,158,204,0.04);
  border: 1px solid rgba(58,158,204,0.18);
  padding: 16px 20px;
}
.data-readout .hi  { color: var(--accent); }
.data-readout .ok  { color: var(--ok); }
.data-readout .dim { color: var(--text-dim); }

/* ── CTA BAND ── */
.cta-band {
  background: var(--surface);
  border-top: 2px solid var(--accent);
  padding: 64px var(--page-pad);
}
.cta-band-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}
.cta-band-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: var(--text-primary);
}
.cta-band-headline em { font-style: normal; color: var(--accent); }
.cta-band-sub {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 10px;
}
.cta-band-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

/* ── FOOTER ── */
.footer {
  background: var(--steel);
  border-top: 2px solid var(--accent);
  padding: 56px var(--page-pad) 0;
}
.footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.footer-brand-motto {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px;
  font-weight: 600;
  font-style: italic;
  color: var(--accent);
  margin-top: 14px;
}
.footer-col-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 6px;
  margin-bottom: 14px;
}
.footer-link {
  display: block;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 12px;
  color: var(--text-dim);
  padding: 3px 0;
  transition: color 0.15s;
}
.footer-link:hover { color: var(--text-secondary); }
.footer-strip {
  border-top: 1px solid var(--steel2);
  padding: 14px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--page-max);
  margin: 0 auto;
}
.footer-strip span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── BRAND NEWSLETTER (footer left column) ── */
.brand-newsletter {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--steel);
}
.brand-newsletter-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.brand-newsletter-desc {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}
.footer-newsletter-form {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 240px;
  position: relative;
}
.footer-newsletter-input {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--steel2);
  color: var(--text-primary);
  padding: 6px 12px;
  flex: 1;
  min-width: 0;
}
.footer-newsletter-input:focus { outline: none; border-color: var(--accent); }
.footer-newsletter-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  padding: 6px 16px;
  cursor: pointer;
  white-space: nowrap;
}
.footer-newsletter-btn:hover { opacity: 0.85; }

/* ── FORM ERROR ── */
.form-error {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--error);
  letter-spacing: 0.1em;
  margin-top: 12px;
}

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--steel);
  margin-bottom: 72px;
}
.page-hero-overline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-hero-overline::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.page-hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 0.95;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.page-hero-title em { font-style: normal; color: var(--accent); }
.page-hero-body {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.65;
}

/* ── FORM INPUTS ── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.form-input,
.form-textarea,
.form-select {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  line-height: 1.6;
  background: var(--bg);
  border: 1px solid var(--steel2);
  color: var(--text-primary);
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus { border-color: var(--accent); }
.form-input.error,
.form-textarea.error { border-color: var(--error); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: none; cursor: pointer; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes typeOn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.anim {
  opacity: 0;
  animation: fadeUp 0.7s var(--ease-out) both;
}
.anim.visible { opacity: 1; }
.d1  { animation-delay: 0.05s; }
.d2  { animation-delay: 0.10s; }
.d3  { animation-delay: 0.15s; }
.d4  { animation-delay: 0.20s; }
.d5  { animation-delay: 0.25s; }
.d6  { animation-delay: 0.30s; }
.d7  { animation-delay: 0.35s; }
.d8  { animation-delay: 0.40s; }

/* ── RESPONSIVE ── */
@media (max-width: 1050px) {
  .nav-items, .nav-cta { display: none; }
  .nav-toggle { display: flex; margin-left: 0; }
  .nav-inner { gap: 8px; }
  .nav-logo { margin-right: auto; }
  .theme-toggle { margin-left: 0; }

  .nav-mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--surface);
    border-top: 1px solid var(--steel);
    border-bottom: 2px solid var(--accent);
    padding: 24px var(--page-pad);
    z-index: 99;
    flex-direction: column;
    gap: 0;
  }
  .nav-mobile-menu.open { display: flex; }
  .nav-mobile-item {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 12px 0;
    border-bottom: 1px solid var(--steel);
    transition: color 0.15s;
  }
  .nav-mobile-item:hover, .nav-mobile-item.active { color: var(--accent); }
  .nav-mobile-cta { margin-top: 16px; }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-band-inner { grid-template-columns: 1fr; }
  .cta-band-btns { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
}