/* ============================================================
   signalOPS — Marketing UI Kit — component styles
   Depends on ../../colors_and_type.css for variables
   ============================================================ */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--t-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Cosmic theme adds full-page gradient */
[data-theme="cosmic"] body {
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(157, 123, 255, 0.20), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 30%, rgba(61, 245, 165, 0.10), transparent 60%),
    radial-gradient(ellipse 80% 80% at 50% 100%, rgba(91, 141, 239, 0.10), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ========== Reusable ========== */
.so-mono-label {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: var(--tr-mono);
  text-transform: uppercase;
  color: var(--ink-muted);
}
.signal { color: var(--signal); }
.muted  { color: var(--ink-muted); }

.so-pulse-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--signal);
  box-shadow: 0 0 0 0 var(--signal-glow);
  animation: so-pulse-anim 2s ease-out infinite;
}
@keyframes so-pulse-anim {
  0%   { box-shadow: 0 0 0 0 var(--signal-glow); opacity: 1; }
  100% { box-shadow: 0 0 0 7px transparent; opacity: 0.7; }
}

/* Dash animation along flow connectors */
@keyframes so-dash-anim {
  to { stroke-dashoffset: -20; }
}
.so-dash { animation: so-dash-anim 1.5s linear infinite; }

/* ========== Buttons / CTAs ========== */
.so-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans);
  font-size: var(--t-sm);
  font-weight: 500;
  padding: 9px 14px;
  border-radius: var(--r-3);
  border: 1px solid transparent;
  transition: all var(--dur-base) var(--ease-out);
  letter-spacing: -0.005em;
  cursor: pointer;
}
.so-cta--lg { padding: 13px 20px; font-size: var(--t-base); border-radius: var(--r-4); }
.so-cta .arrow { font-family: var(--font-mono); opacity: 0.8; transition: transform var(--dur-base); }
.so-cta:hover .arrow { transform: translateX(3px); }

.so-cta--primary { background: var(--signal); color: #051a10; border-color: var(--signal); }
.so-cta--primary:hover { box-shadow: 0 0 0 1px var(--signal), 0 0 32px var(--signal-glow); }
[data-theme="light"] .so-cta--primary { color: #fff; }

.so-cta--outline { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.so-cta--outline:hover { border-color: var(--signal); color: var(--signal); }

.so-cta--ghost { background: transparent; color: var(--ink); border-color: transparent; padding-left: 0; padding-right: 0; }
.so-cta--ghost:hover { color: var(--signal); }

.so-input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--t-base);
  padding: 12px 14px;
  border-radius: var(--r-4);
  outline: none;
  transition: all var(--dur-base) var(--ease-out);
  min-width: 280px;
}
.so-input::placeholder { color: var(--ink-dim); }
.so-input:focus { border-color: var(--signal); box-shadow: 0 0 0 3px rgba(61,245,165,0.15); }

/* ========== Badges ========== */
.so-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: var(--r-2);
  border: 1px solid;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.so-badge--live { color: var(--signal); background: var(--signal-soft); border-color: var(--signal-line); }
.so-badge--live .pulse { width: 5px; height: 5px; border-radius: 999px; background: var(--signal); animation: so-pulse-anim 2s infinite; }

/* ========== Nav ========== */
.so-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: border-color var(--dur-base), background var(--dur-base);
}
.so-nav--scrolled { border-bottom-color: var(--border); }
.so-nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 14px 32px;
  gap: 32px;
}
.so-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.so-brand svg { display: block; }
.so-brand-stack { display: flex; flex-direction: column; gap: 1px; line-height: 1; }
.so-brand-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--signal);
  margin-top: 2px;
}
.so-brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-top: 1px;
}
.so-wm { font-family: var(--font-display); font-size: 18px; font-weight: 500; letter-spacing: -0.02em; }
.so-wm b { font-weight: 700; }

.so-nav-items { display: flex; gap: 6px; align-items: center; }
.so-nav-item {
  position: relative;
  padding: 8px 12px;
  border-radius: var(--r-3);
  font-size: var(--t-sm);
  color: var(--ink);
  cursor: pointer;
  display: flex; align-items: center; gap: 4px;
  transition: all var(--dur-fast);
}
.so-nav-item:hover { background: var(--surface); }
.so-nav-item.open  { background: var(--surface); }
.so-nav-item .caret { font-size: 9px; opacity: 0.5; transition: transform var(--dur-base); }
.so-nav-item.open .caret { transform: rotate(180deg); color: var(--signal); }

.so-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 260px;
  background: var(--bg-overlay);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 8px;
  box-shadow: var(--shadow-3);
  display: flex; flex-direction: column;
  z-index: 110;
}
.dd-item {
  padding: 8px 12px;
  border-radius: var(--r-3);
  display: flex; flex-direction: column; gap: 2px;
  transition: background var(--dur-fast);
}
.dd-item:hover { background: var(--surface-hi); }
.dd-title { font-size: var(--t-sm); font-weight: 500; color: var(--ink); }
.dd-desc  { font-size: var(--t-xs); color: var(--ink-muted); }

.so-nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

.so-theme-switch {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 3px;
  gap: 2px;
}
.so-theme-switch button {
  background: transparent; border: 0;
  padding: 4px 9px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  transition: all var(--dur-fast);
}
.so-theme-switch button.on { background: var(--surface-hi); color: var(--signal); }

/* ========== Hero ========== */
.so-hero {
  position: relative;
  min-height: 720px;
  padding: 80px 32px 120px;
  overflow: hidden;
}
.so-hero-bg {
  position: absolute; inset: 0;
  z-index: 0; pointer-events: none;
}
.so-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 60%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 60%, black, transparent 75%);
}
.so-hero-tiles { position: absolute; inset: 0; }
.tile {
  position: absolute;
  left: var(--x); top: var(--y);
  background: color-mix(in oklab, var(--surface) 65%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 10px 12px;
  font-size: 11px;
  color: var(--ink-muted);
  box-shadow: var(--shadow-2);
  width: 200px;
  animation: tileFloat 6s ease-in-out infinite;
  animation-delay: var(--d, 0s);
}
@keyframes tileFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
.tile-h { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10px; color: var(--ink-muted); margin-bottom: 8px; }
.tile-h .dot { width: 5px; height: 5px; border-radius: 999px; background: var(--signal); }
.tile-label { font-family: var(--font-mono); font-size: 9px; color: var(--ink-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.tile-rows { display: flex; flex-direction: column; gap: 4px; }
.tile-rows .row { display: flex; align-items: center; gap: 6px; font-size: 10px; color: var(--ink); }
.pill { font-family: var(--font-mono); font-size: 8px; padding: 1px 5px; border-radius: 3px; letter-spacing: 0.06em; text-transform: uppercase; }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.info { background: var(--info-soft); color: var(--info); }
.pill.ok   { background: var(--signal-soft); color: var(--signal); }

.tile-metric { font-family: var(--font-mono); font-size: 24px; color: var(--signal); font-variant-numeric: tabular-nums; margin-bottom: 6px; }
.tile-bars { display: flex; align-items: flex-end; gap: 2px; height: 30px; }
.tile-bars span { flex: 1; background: linear-gradient(180deg, var(--signal), color-mix(in oklab, var(--signal) 20%, transparent)); animation: tileBar 2s ease-in-out infinite alternate; transform-origin: bottom; }
@keyframes tileBar {
  from { transform: scaleY(0.4); }
  to   { transform: scaleY(1); }
}

.tile-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 2px; }
.tile-grid .cell { aspect-ratio: 1; background: var(--signal); border-radius: 1px; animation: cellFlick 3s ease-in-out infinite; }
@keyframes cellFlick {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

.tile-stream { font-family: var(--font-mono); font-size: 10px; line-height: 1.6; color: var(--ink-muted); }
.tile-stream .ok { color: var(--signal); }
.cur { animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.so-hero-vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%, transparent, var(--bg) 90%);
}

.so-hero-content {
  position: relative; z-index: 1;
  max-width: 920px; margin: 0 auto;
  text-align: center;
  padding-top: 80px;
}
.so-hero-meta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10px;
  padding: 6px 12px; border-radius: var(--r-pill);
  background: var(--signal-soft); color: var(--signal);
  border: 1px solid var(--signal-line);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.so-hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 100px);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin: 0 0 24px;
}
.so-hero-title .muted { color: var(--ink-muted); }
.so-hero-sub {
  font-size: 18px; line-height: 1.55; color: var(--ink-muted);
  max-width: 580px; margin: 0 auto 36px;
}
.so-hero-ctas { display: flex; gap: 10px; justify-content: center; margin-bottom: 60px; flex-wrap: wrap; }
.so-hero-stats {
  display: flex; gap: 48px; justify-content: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  max-width: 600px; margin: 0 auto;
}
.so-hero-stats > div { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.so-hero-stats .num { font-family: var(--font-display); font-size: 32px; font-weight: 500; letter-spacing: -0.02em; color: var(--ink); }
.so-hero-stats .lab { font-family: var(--font-mono); font-size: 10px; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; }

/* ========== Section base ========== */
.so-section {
  position: relative;
  padding: 100px 32px;
  max-width: 1280px;
  margin: 0 auto;
}
.so-section-head { max-width: 720px; margin-bottom: 56px; }
.so-section-head .so-mono-label { display: block; margin-bottom: 16px; }
.so-section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 16px;
}
.so-section-title .signal { color: var(--signal); }
.so-section-title .muted  { color: var(--ink-muted); }
.so-section-lede {
  font-size: 17px; line-height: 1.55; color: var(--ink-muted);
  max-width: 560px;
}

/* ========== Transform section ========== */
.so-tx-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.so-tx-vis {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-5);
  padding: 16px;
  min-height: 290px;
}
.so-tx-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.so-tx-stage-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 20px;
  text-align: left;
  display: flex; flex-direction: column; gap: 8px;
  cursor: pointer;
  color: var(--ink);
  transition: all var(--dur-base) var(--ease-out);
  position: relative;
}
.so-tx-stage-card:hover { border-color: var(--border-strong); }
.so-tx-stage-card.active { border-color: var(--signal); box-shadow: 0 0 0 1px var(--signal-line), 0 0 24px var(--signal-glow); }
.so-tx-stage-card .title { font-family: var(--font-display); font-size: 18px; font-weight: 500; margin-top: 4px; }
.so-tx-stage-card .desc  { font-size: 13px; color: var(--ink-muted); line-height: 1.5; }
.so-tx-stage-card .metric { display: flex; align-items: baseline; gap: 8px; padding-top: 10px; border-top: 1px solid var(--border-subtle); margin-top: 4px; }
.so-tx-stage-card .metric .v { font-family: var(--font-mono); font-size: 20px; color: var(--signal); font-variant-numeric: tabular-nums; }
.so-tx-stage-card .metric .l { font-family: var(--font-mono); font-size: 10px; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; }

/* ========== Services ========== */
.so-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.so-service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-5);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 12px;
  overflow: hidden;
  transition: all var(--dur-base) var(--ease-out);
  cursor: default;
}
.so-service-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--signal-soft), transparent 70%);
  opacity: 0; transition: opacity var(--dur-slow);
  pointer-events: none;
}
.so-service-card.hover { border-color: var(--signal-line); transform: translateY(-4px); }
.so-service-card.hover::after { opacity: 1; }
.so-service-corner {
  position: absolute; top: 16px; right: 16px;
  font-family: var(--font-mono); font-size: 10px; color: var(--ink-dim); letter-spacing: 0.06em;
}
.so-service-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--signal-soft);
  border: 1px solid var(--signal-line);
  border-radius: var(--r-4);
  color: var(--signal);
  margin-bottom: 8px;
}
.so-service-icon i, .so-service-icon svg { width: 22px; height: 22px; stroke-width: 1.5; }
.so-service-meta { display: block; }
.so-service-title { font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.02em; margin: 0; }
.so-service-desc { font-size: 14px; color: var(--ink-muted); line-height: 1.5; margin: 0; }
.so-service-points { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 6px; }
.so-service-points li { font-size: 13px; display: flex; align-items: baseline; gap: 8px; color: var(--ink); }
.so-service-points .bullet { color: var(--signal); font-family: var(--font-mono); font-size: 12px; }
.so-service-link {
  margin-top: auto; padding-top: 14px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--signal);
  display: flex; align-items: center; gap: 6px;
  border-top: 1px solid var(--border-subtle);
}

/* ========== Intelligence ========== */
.so-intel-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto;
  gap: 16px;
}
.so-intel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-5);
  padding: 20px;
  display: flex; flex-direction: column; gap: 12px;
}
.so-intel-card--wide { grid-row: span 1; grid-column: 1 / 2; padding: 20px 22px; }
.so-intel-card .head { display: flex; justify-content: space-between; align-items: center; }
.so-intel-card .big { font-family: var(--font-display); font-size: 44px; font-weight: 500; letter-spacing: -0.02em; color: var(--signal); font-variant-numeric: tabular-nums; line-height: 1; }
.so-intel-card .sub { font-size: 12px; color: var(--ink-muted); }
.so-intel-card .rows { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.so-intel-card .rows .r { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--ink); }
.so-intel-card .rows .r .signal { color: var(--signal); }

.so-intel-card .feed { display: flex; flex-direction: column; gap: 8px; font-family: var(--font-mono); font-size: 11px; }
.so-intel-card .entry { display: grid; grid-template-columns: 64px 80px 1fr; gap: 12px; align-items: baseline; padding: 6px 8px; border-radius: var(--r-2); border: 1px solid var(--border-subtle); background: var(--surface-lo); }
.so-intel-card .entry .t   { color: var(--ink-dim); }
.so-intel-card .entry .lvl { font-size: 9px; letter-spacing: 0.08em; padding: 2px 6px; border-radius: 3px; text-align: center; }
.so-intel-card .entry .lvl.warn   { color: var(--warn);   background: var(--warn-soft); }
.so-intel-card .entry .lvl.info   { color: var(--info);   background: var(--info-soft); }
.so-intel-card .entry .lvl.danger { color: var(--danger); background: var(--danger-soft); }
.so-intel-card .entry .lvl.ok     { color: var(--signal); background: var(--signal-soft); }
.so-intel-card .entry .msg { color: var(--ink); }
.so-intel-card .entry .msg code { font-family: var(--font-mono); color: var(--signal); font-size: 11px; }

/* ========== Integration ========== */
.so-integ-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.so-integ-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px;
  transition: all var(--dur-fast);
}
.so-integ-tile:hover { border-color: var(--signal-line); color: var(--signal); }
.so-integ-tile .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal-glow);
}
.so-integ-tile--bridge { background: var(--signal-soft); border-color: var(--signal-line); color: var(--signal); }
.so-integ-tile--bridge i { width: 14px; height: 14px; stroke-width: 1.5; }

/* ========== About ========== */
.so-about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; }
.so-about-body { font-size: 17px; line-height: 1.6; color: var(--ink); margin: 16px 0; }
.so-about-stats { display: flex; gap: 32px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.so-about-stats .num { font-family: var(--font-display); font-size: 36px; font-weight: 500; color: var(--signal); letter-spacing: -0.02em; }
.so-about-stats .lab { font-family: var(--font-mono); font-size: 10px; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; max-width: 120px; line-height: 1.4; }

.so-about-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-5);
  padding: 24px;
  display: flex; flex-direction: column; gap: 16px;
  height: 100%;
}
.so-about-tile .head { display: flex; justify-content: space-between; align-items: center; }
.so-about-tile .body p { font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.35; margin: 0 0 14px; color: var(--ink); }
.so-about-tile .body p.signal { color: var(--signal); }
.so-about-tile .foot { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--border-subtle); color: var(--ink-muted); }

/* ========== Contact ========== */
.so-contact-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.so-contact-methods { display: flex; flex-direction: column; gap: 12px; }
.so-contact-tile {
  display: flex; gap: 16px; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-5); padding: 18px 20px;
  transition: all var(--dur-fast); cursor: pointer;
  color: var(--ink);
}
.so-contact-tile--placeholder { cursor: default; }
.so-contact-tile:hover { border-color: var(--signal-line); background: var(--surface-hi); transform: translateX(2px); }
.so-contact-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--signal-soft); border: 1px solid var(--signal-line);
  border-radius: var(--r-4); color: var(--signal);
  flex-shrink: 0;
}
.so-contact-icon i { width: 18px; height: 18px; stroke-width: 1.5; }
.so-contact-val { font-family: var(--font-display); font-size: 18px; font-weight: 500; margin-top: 2px; }
.so-contact-sub { font-size: 12px; color: var(--ink-muted); margin-top: 2px; }

.so-contact-form {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-5); padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.so-contact-form-h { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
.so-contact-form-h h3 { font-family: var(--font-display); font-size: 24px; font-weight: 500; margin: 0; letter-spacing: -0.02em; }
.so-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.so-textarea { resize: vertical; min-width: 0; font-family: var(--font-sans); line-height: 1.5; }
.so-input { min-width: 0; }
.so-form-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.so-form-success {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px 18px;
  background: var(--signal-soft); border: 1px solid var(--signal-line);
  border-radius: var(--r-4); color: var(--ink);
  font-size: 14px;
}
.so-form-success strong { color: var(--signal); }
.so-form-error {
  padding: 10px 14px; background: var(--danger-soft);
  border: 1px solid rgba(255,92,115,0.4); border-radius: var(--r-3);
  color: var(--danger); font-size: 13px; font-family: var(--font-mono);
}
.so-form-error code { color: var(--ink); }

.so-privacy-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--signal-line);
  border-radius: var(--r-4);
  background: var(--signal-soft);
}
.so-privacy-box--inline {
  width: 100%;
  margin-top: 2px;
}
.so-privacy-box--tight {
  margin-top: 0;
}
.so-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink);
}
.so-consent-row input {
  margin-top: 3px;
  accent-color: var(--signal);
}
.so-privacy-note {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.45;
}

@media (max-width: 980px) {
  .so-contact-grid { grid-template-columns: 1fr; }
  .so-form-row { grid-template-columns: 1fr; }
}

/* ========== Newsletter ========== */
.so-news { padding: 100px 32px; }
.so-news-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-6);
  padding: 72px 60px;
  overflow: hidden;
  text-align: center;
}
.so-news-bg { position: absolute; inset: 0; opacity: 0.5; pointer-events: none; }
.so-news-content { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.so-news-title { font-family: var(--font-display); font-size: 44px; font-weight: 500; letter-spacing: -0.03em; margin: 0; }
.so-news-desc { font-size: 16px; color: var(--ink-muted); line-height: 1.55; margin: 0; }
.so-news-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  align-items: stretch;
  max-width: 560px;
  width: 100%;
}
.so-news-form .so-input,
.so-news-form .so-privacy-box,
.so-news-form .so-cta {
  width: 100%;
}
.so-news-success { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--signal-soft); border: 1px solid var(--signal-line); border-radius: var(--r-4); color: var(--signal); font-size: 14px; }
.so-news-success code { font-family: var(--font-mono); color: var(--ink); }
.so-news-alt { display: flex; align-items: center; gap: 14px; color: var(--ink-muted); font-size: 13px; margin-top: 4px; }

/* ========== Footer ========== */
.so-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-sunken);
  padding: 56px 32px 24px;
}
.so-footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 32px;
}
.so-footer-brand { display: flex; flex-direction: column; gap: 12px; max-width: 280px; }
.so-footer-brand .so-wm { font-size: 22px; }
.so-footer-tag { font-size: 13px; color: var(--ink-muted); margin: 8px 0 0; }
.so-footer-meta { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.so-footer-meta .so-pulse-dot { background: var(--signal); }
.so-footer-col { display: flex; flex-direction: column; gap: 8px; }
.so-footer-col a { font-size: 13px; color: var(--ink-muted); transition: color var(--dur-fast); }
.so-footer-col a:hover { color: var(--signal); cursor: pointer; }
.so-footer-base {
  max-width: 1280px; margin: 48px auto 0;
  padding-top: 20px; border-top: 1px solid var(--border-subtle);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--ink-muted);
}

/* ============================================================
   Persistent live-system backdrop (parallax)
   ============================================================ */
.so-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.so-backdrop-layer {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4000px;            /* tall canvas; parallax drags it slower than scroll */
  will-change: transform;
}
.so-backdrop-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
}
.so-backdrop-flow {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 1920px;
  height: 3600px;
  opacity: 0.55;
}
[data-theme="light"] .so-backdrop-flow { opacity: 0.5; }
[data-theme="cosmic"] .so-backdrop-flow { opacity: 0.7; }

/* Chains animate in via subtle opacity pulse — feels like the system is alive */
.so-backdrop-flow .chain {
  animation: chainPulse 8s ease-in-out infinite;
}
@keyframes chainPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.75; }
}

.so-dash-bg {
  animation: bgDashFlow 3s linear infinite;
}
@keyframes bgDashFlow {
  to { stroke-dashoffset: -40; }
}

/* Vignette + readability mask. Stays fixed (does NOT parallax). */
.so-backdrop-vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 60% at 50% 30%, transparent 0%, var(--bg) 85%),
    linear-gradient(180deg, var(--bg) 0%, transparent 8%, transparent 92%, var(--bg) 100%);
}

/* Event chips ----------------------------------------------- */
.so-backdrop-events { position: absolute; inset: 0; }
.so-evt {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--r-pill);
  background: color-mix(in oklab, var(--surface) 80%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
  box-shadow: var(--shadow-2);
  animation: evtDrift 12s ease-in-out infinite;
  opacity: 0.85;
}
.so-evt--ticket   { animation-duration: 14s; }
.so-evt--login    { animation-duration: 11s; animation-delay: -2s; }
.so-evt--incident { animation-duration: 9s;  animation-delay: -4s; border-color: rgba(255,92,115,0.3); }
.so-evt--deploy   { animation-duration: 13s; animation-delay: -1s; }
.so-evt--release  { animation-duration: 13s; animation-delay: -1s; }
.so-evt--trend    { animation-duration: 16s; animation-delay: -3s; }

@keyframes evtDrift {
  0%, 100% { transform: translateY(0)   translateX(0);    opacity: 0.85; }
  25%      { transform: translateY(-8px) translateX(2px); opacity: 1;    }
  50%      { transform: translateY(-12px) translateX(-2px); opacity: 0.9; }
  75%      { transform: translateY(-4px) translateX(3px); opacity: 0.95; }
}

.so-evt-pill {
  width: 6px; height: 6px;
  border-radius: 999px;
  flex-shrink: 0;
}
.so-evt-pill--ok     { background: var(--signal); box-shadow: 0 0 6px var(--signal-glow); }
.so-evt-pill--warn   { background: var(--warn); }
.so-evt-pill--info   { background: var(--info); }
.so-evt-pill--danger { background: var(--danger); animation: dangerPulse 1.4s ease-out infinite; }
.so-evt-pill .dot {
  display: block;
  width: 100%; height: 100%;
  border-radius: 999px;
  background: currentColor;
  animation: evtDot 2s ease-out infinite;
}
@keyframes evtDot {
  0%   { box-shadow: 0 0 0 0 var(--signal-glow); }
  100% { box-shadow: 0 0 0 4px transparent; }
}
@keyframes dangerPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,92,115,0.6); }
  100% { box-shadow: 0 0 0 5px transparent; }
}

.so-evt-trend--up   { color: var(--signal); }
.so-evt-trend--down { color: var(--signal); }

/* Make sure every actual page section sits ABOVE the backdrop */
.so-nav, .so-hero, .so-section, .so-footer { position: relative; z-index: 1; }

/* Hide backdrop on tiny screens — gets noisy */
@media (max-width: 720px) {
  .so-backdrop { display: none; }
}

/* responsive */
@media (max-width: 980px) {
  .so-services-grid { grid-template-columns: 1fr; }
  .so-tx-stages    { grid-template-columns: 1fr; }
  .so-intel-grid   { grid-template-columns: 1fr; }
  .so-about-grid   { grid-template-columns: 1fr; gap: 32px; }
  .so-integ-grid   { grid-template-columns: repeat(3, 1fr); }
  .so-footer-grid  { grid-template-columns: 1fr 1fr; }
  .so-nav-items    { display: none; }
  .tile            { display: none; }
}

/* ============================================================
   END backdrop
   ============================================================ */