/* ============================================================
   Droplet website — light, aurora-accented, sales site
   Built on the Droplet design system (colors_and_type.css)
   ============================================================ */

/* ── Page reset ── */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--color-surface-primary);
  color: var(--color-label-primary);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  /* darker body-copy tokens so prose pops on white */
  --text-body: #3a3a3f;
  --text-body-soft: #50525a;
  --text-meta: #6b6e75;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ── Layout primitives ── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
section { padding: 112px 0; position: relative; overflow: hidden; }
.eyebrow {
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--droplet-600); font-weight: 600; margin: 0 0 16px;
}
.section-head { max-width: 760px; margin-bottom: 64px; }
.section-head.center { margin: 0 auto 64px; text-align: center; }
.section-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 56px; line-height: 1.12; letter-spacing: -0.02em;
  margin: 0 0 32px; color: var(--color-label-primary); text-wrap: pretty;
  padding-bottom: 0.16em;
}
.section-h em {
  font-style: italic;
  color: var(--droplet-600);
}
.section-lede {
  font-size: 19px; line-height: 1.55;
  color: var(--text-body);
  max-width: 640px; margin: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 9999px;
  font-size: 14px; font-weight: 500; font-family: inherit;
  border: 1px solid transparent; cursor: pointer;
  transition: all 200ms var(--ease-smooth);
  white-space: nowrap;
}
.btn-lg { padding: 14px 26px; font-size: 15px; min-height: 50px; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }

.btn-accent {
  background: var(--droplet-600); color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 6px 18px -8px rgba(99,102,241,0.55);
}
.btn-accent:hover {
  background: var(--droplet-700);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 10px 24px -8px rgba(99,102,241,0.65);
}
.btn-primary {
  background: var(--color-label-primary); color: var(--color-surface-primary);
}
.btn-primary:hover { background: #1c1c1e; }

.btn-ghost {
  background: transparent; color: var(--color-label-primary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-surface-secondary); }

.btn-quiet {
  background: var(--color-surface-primary);
  color: var(--color-label-primary);
  border-color: var(--color-separator);
}
.btn-quiet:hover {
  border-color: rgba(60,60,67,0.24);
  background: var(--color-surface-secondary);
}

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--color-separator);
}
.nav-in {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 36px;
  padding: 14px 32px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--color-label-primary);
}
.brand-svg {
  display: block;
  filter: drop-shadow(0 4px 12px rgba(99,102,241,0.18));
}

.nav-links {
  display: flex; gap: 28px; margin-left: 8px;
}
.nav-links .link {
  font-size: 14px; font-weight: 500;
  color: var(--color-label-secondary);
  transition: color 200ms var(--ease-smooth);
  white-space: nowrap;
}
.nav-links .link:hover { color: var(--color-label-primary); }
.nav-cta { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ── Aurora flourish ── */
.aurora {
  position: absolute; pointer-events: none;
  filter: blur(40px);
  opacity: 0.55;
  z-index: 0;
}
.aurora-hero {
  inset: -10% -10% 30% -10%;
  background:
    radial-gradient(42% 60% at 15% 18%, var(--aurora-1) 0%, transparent 62%),
    radial-gradient(48% 70% at 88% 6%,  var(--aurora-3) 0%, transparent 62%),
    radial-gradient(60% 90% at 60% 110%, var(--aurora-2) 0%, transparent 60%);
  animation: aurora-drift 18s ease-in-out infinite;
}
.aurora-sov {
  inset: -20% -5% -20% -5%;
  opacity: 0.4;
  background:
    radial-gradient(45% 55% at 80% 25%, var(--aurora-1) 0%, transparent 65%),
    radial-gradient(50% 70% at 20% 80%, var(--aurora-3) 0%, transparent 65%);
}
.aurora-cta {
  inset: 0;
  opacity: 0.7;
  background:
    radial-gradient(55% 80% at 50% 0%, var(--aurora-2) 0%, transparent 65%),
    radial-gradient(45% 70% at 15% 100%, var(--aurora-1) 0%, transparent 60%),
    radial-gradient(45% 70% at 85% 100%, var(--aurora-3) 0%, transparent 60%);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 80px 0 120px;
  background: linear-gradient(180deg, #fbfaff 0%, var(--color-surface-primary) 70%);
}
.hero-in {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 1.15fr;
  gap: 64px; align-items: center;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 10px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--color-separator);
  border-radius: 9999px;
  font-size: 13px; color: var(--color-label-secondary);
  font-weight: 500;
  backdrop-filter: blur(10px);
  margin-bottom: 28px;
}
.hero-pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-system-green);
  box-shadow: 0 0 0 4px rgba(52,199,89,0.18);
  animation: scan-pulse 2s ease-in-out infinite;
}
.hero-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 76px; line-height: 1.08; letter-spacing: -0.025em;
  margin: 0 0 32px; color: var(--color-label-primary);
  text-wrap: balance;
  padding-bottom: 0.08em;
}
.hero-h em { font-style: italic; color: var(--droplet-600); }
.hero-lede {
  font-size: 19px; line-height: 1.55;
  color: var(--text-body);
  margin: 0 0 32px; max-width: 540px;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-trustline {
  display: flex; flex-wrap: wrap; gap: 22px;
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid var(--color-separator);
}
.trust-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-body-soft);
  font-weight: 500;
}
.trust-item svg { color: var(--droplet-500); flex-shrink: 0; }

/* Hero visual — faux dashboard preview */
.hero-visual { position: relative; }
.device-card {
  position: relative;
  border-radius: 24px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(255,255,255,0.3) 100%);
  border: 1px solid var(--color-separator);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.8) inset,
    0 30px 80px -40px rgba(99,102,241,0.4),
    0 20px 48px -24px rgba(17,24,39,0.16);
  backdrop-filter: blur(20px);
}
.device-frame {
  background: var(--color-surface-primary);
  border-radius: 16px;
  border: 1px solid var(--color-separator);
  overflow: hidden;
}
.frame-top {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  background: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-separator);
}
.frame-dots { display: flex; gap: 6px; }
.frame-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(60,60,67,0.18);
}
.frame-url {
  flex: 1; text-align: center;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-label-tertiary);
}
.frame-on-prem {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-system-green); font-weight: 600;
  background: rgba(52,199,89,0.10);
  border: 1px solid rgba(52,199,89,0.22);
  padding: 3px 8px; border-radius: 9999px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.lan-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-system-green);
  box-shadow: 0 0 0 3px rgba(52,199,89,0.18);
  animation: scan-pulse 2s ease-in-out infinite;
}
.frame-body {
  display: grid; grid-template-columns: 160px 1fr;
  min-height: 360px;
}
.frame-sidebar {
  background: var(--color-surface-secondary);
  border-right: 1px solid var(--color-separator);
  padding: 14px 12px;
  font-size: 12px;
}
.fs-brand {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 13px;
  color: var(--droplet-600);
  padding: 4px 6px; margin-bottom: 14px;
}
.fs-section { display: flex; flex-direction: column; gap: 2px; margin-bottom: 18px; }
.fs-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: 6px;
  color: var(--color-label-secondary);
  font-weight: 500;
}
.fs-row.active {
  background: var(--color-surface-primary);
  color: var(--color-label-primary);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.fs-row.sm { font-size: 11.5px; padding: 5px 8px; color: var(--color-label-secondary); }
.fs-i { font-size: 9px; color: var(--color-label-tertiary); width: 12px; text-align: center; }
.fs-i.ind { color: var(--droplet-500); }
.fs-tools-section { border-top: 1px solid var(--color-separator); padding-top: 10px; }
.fs-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-label-tertiary); padding: 4px 8px 6px;
  font-weight: 600;
}

.frame-main {
  position: relative;
  padding: 22px 26px;
  background: var(--color-surface-primary);
  overflow: hidden;
}
.hero-aurora-soft {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 30% 0%, var(--aurora-1) 0%, transparent 60%),
    radial-gradient(60% 80% at 90% 30%, var(--aurora-3) 0%, transparent 60%);
  opacity: 0.35;
  filter: blur(30px);
  pointer-events: none;
}
.chat-greet { position: relative; margin-bottom: 18px; }
.chat-greet .time {
  display: block; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-label-tertiary); margin-bottom: 6px;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.greet-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 24px; line-height: 1.1; letter-spacing: -0.01em;
  color: var(--color-label-primary); margin: 0;
}
.greet-h em { font-style: italic; color: var(--droplet-600); }

.chat-suggestion-grid {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-bottom: 16px;
}
.ch-card {
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--color-separator);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--color-label-secondary);
  line-height: 1.35;
  backdrop-filter: blur(8px);
}
.chat-input {
  position: relative;
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--color-separator);
  border-radius: 9999px;
  padding: 8px 8px 8px 16px;
  box-shadow: 0 8px 24px -12px rgba(99,102,241,0.25);
}
.ci-ph {
  flex: 1; font-size: 12px;
  color: var(--color-label-tertiary);
}
.ci-send {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--droplet-600); color: #fff;
  font-size: 14px; font-weight: 700;
}

/* Floating annotation pills around the device card */
.float-pill {
  position: absolute; display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px 10px 12px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 14px;
  box-shadow: var(--shadow-tile);
  max-width: 220px;
  z-index: 2;
}
.pill-a { top: 8%; left: -28px; }
.pill-b { bottom: 6%; right: -32px; }
.fp-i {
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--color-surface-secondary);
  color: var(--color-label-secondary);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.fp-i.indigo { background: var(--color-accent-subtle); color: var(--droplet-600); }
.fp-l { font-size: 12.5px; font-weight: 600; color: var(--color-label-primary); }
.fp-s { font-size: 11px; color: var(--text-body-soft); margin-top: 2px; line-height: 1.35; }

/* ============================================================
   HERO — animated brain stage
   ============================================================ */
.hero {
  position: relative;
  min-height: 720px;
}
.aurora-track {
  /* Mouse-following secondary aurora */
  position: absolute; inset: -10% -10% 0 -10%;
  opacity: 0.45;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(36% 48% at var(--mx, 60%) var(--my, 30%), rgba(165,180,252,0.55) 0%, transparent 60%);
  transition: background-position 600ms var(--ease-smooth);
}

/* Headline rotator */
.rotator {
  position: relative;
  display: inline-block;
  vertical-align: top;
  font-style: italic;
  color: var(--droplet-600);
  min-width: 5ch;
}
.rotator-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px) skewY(2deg);
  transition: opacity 480ms var(--ease-smooth), transform 540ms var(--ease-smooth), filter 480ms var(--ease-smooth);
  filter: blur(6px);
  white-space: nowrap;
}
.rotator-word.active {
  opacity: 1; transform: none; filter: blur(0);
}
.rotator-word.incoming { position: absolute; left: 0; top: 0; }
.rotator-word.leaving {
  opacity: 0;
  transform: translateY(-18px) skewY(-2deg);
  filter: blur(6px);
}
/* Rotator measures width via the first child; remaining words overlap it */
.rotator > .rotator-word:first-child { position: relative; }
.rotator > .rotator-word + .rotator-word { position: absolute; left: 0; top: 0; }

/* ─── Brain stage layout ─── */
.brain-stage {
  position: relative;
  display: flex; flex-direction: column;
  align-items: center;
  gap: 18px;
  z-index: 1;
}
.bs-field {
  position: relative;
  width: 100%; max-width: 460px;
  aspect-ratio: 1 / 1;
}
.bs-rings {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.bs-ring-1 { animation: bs-rotate 60s linear infinite; transform-origin: 210px 210px; }
.bs-ring-2 { animation: bs-rotate 90s linear infinite reverse; transform-origin: 210px 210px; }
@keyframes bs-rotate { to { transform: rotate(360deg); } }

.bs-paths path {
  opacity: 0.35;
  transition: opacity 400ms var(--ease-smooth), stroke-dashoffset 800ms var(--ease-smooth);
}
.bs-paths path.lit {
  opacity: 1;
  stroke-dashoffset: 0 !important;
  filter: drop-shadow(0 0 6px rgba(165,180,252,0.6));
}

/* Photons */
.photon { opacity: 0; }
.photon.run-1 { animation: photon-1 1.4s linear forwards; }
.photon.run-2 { animation: photon-2 1.4s linear forwards; }
.photon.run-3 { animation: photon-3 1.4s linear forwards; }
@keyframes photon-1 {
  0%   { opacity: 0; offset-distance: 0%; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { opacity: 0; offset-distance: 100%; }
}

/* Centre core */
.bs-core {
  position: absolute; top: 50%; left: 50%;
  width: 130px; height: 150px;
  transform: translate(-50%, -50%);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}
.bs-core svg {
  position: relative; z-index: 2;
  filter: drop-shadow(0 12px 28px rgba(99,102,241,0.55));
  animation: core-float 6s ease-in-out infinite;
}
@keyframes core-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
.bs-core-glow {
  position: absolute; inset: -22px;
  border-radius: 50%;
  background: radial-gradient(50% 60% at 50% 50%, rgba(99,102,241,0.55) 0%, transparent 70%);
  filter: blur(14px);
  z-index: 1;
  animation: core-glow 4s ease-in-out infinite;
}
@keyframes core-glow {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 0.85; transform: scale(1.08); }
}
.bs-core-pulse {
  position: absolute; inset: -10px;
  border-radius: 50%;
  border: 1.5px solid rgba(165,180,252,0.5);
  opacity: 0;
  z-index: 1;
}
.bs-core.pulsing .bs-core-pulse {
  animation: core-pulse 900ms ease-out;
}
@keyframes core-pulse {
  0%   { opacity: 0.9; transform: scale(0.85); }
  100% { opacity: 0; transform: scale(2.3); }
}

/* Orbital nodes */
.bs-node {
  position: absolute;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px 8px 10px;
  background: rgba(22, 22, 28, 0.92);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 9999px;
  color: #fff;
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer;
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 22px -8px rgba(0,0,0,0.6);
  transition: all 260ms var(--ease-smooth);
  z-index: 3;
}
.bs-node .bn-i {
  width: 24px; height: 24px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06);
  color: var(--text-body-soft);
  transition: all 260ms var(--ease-smooth);
}
.bs-node:hover {
  border-color: rgba(165,180,252,0.5);
  background: rgba(36, 38, 60, 0.95);
  transform: translateY(-2px);
}
.bs-node.lit {
  border-color: var(--droplet-400);
  background: rgba(99,102,241,0.18);
  box-shadow: 0 12px 32px -8px rgba(99,102,241,0.55), 0 0 0 1px rgba(165,180,252,0.3);
  transform: translateY(-2px) scale(1.04);
}
.bs-node.lit .bn-i {
  background: rgba(165,180,252,0.28);
  color: #fff;
}
.bs-node.lit::after {
  content: ""; position: absolute; inset: -6px;
  border-radius: inherit;
  background: radial-gradient(60% 70% at 50% 50%, rgba(99,102,241,0.45) 0%, transparent 70%);
  z-index: -1;
  filter: blur(8px);
}

/* Node positions — map to SVG coords (0–420) */
.bn-files   { top: 8%;  left: 8%; }
.bn-email   { top: 8%;  right: 8%; }
.bn-cameras { top: 50%; left: 0; transform: translateY(-50%); }
.bn-iot     { top: 50%; right: 0; transform: translateY(-50%); }
.bn-network { bottom: 8%; left: 8%; }
.bn-people  { bottom: 8%; right: 8%; }
.bn-cameras.lit, .bn-iot.lit { transform: translateY(-50%) scale(1.04); }

/* ─── Live conversation ─── */
.bs-convo {
  width: 100%; max-width: 480px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
  z-index: 3;
}
.bs-prompt {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  background: rgba(22, 22, 28, 0.85);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 32px -16px rgba(99,102,241,0.5);
}
.bs-prompt-mark { display: inline-flex; flex-shrink: 0; }
.bs-prompt-text {
  flex: 1;
  font-size: 14.5px; line-height: 1.45;
  color: #fff;
  font-weight: 500;
  min-height: 1.3em;
}
.bs-caret {
  display: inline-block;
  width: 2px; height: 16px;
  background: #c7d2fe;
  border-radius: 1px;
  animation: caret 1s steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.bs-answer {
  position: relative;
  background: rgba(22, 22, 28, 0.92);
  border: 1px solid rgba(165,180,252,0.18);
  border-radius: 14px;
  padding: 16px 18px;
  opacity: 1;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 36px -16px rgba(99,102,241,0.4);
  min-height: 156px;
}
.bs-answer.in {
  animation: bs-answer-in 420ms var(--ease-smooth) forwards;
}
@keyframes bs-answer-in {
  0%   { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}
.bs-answer-inner {
  display: none;
  flex-direction: column;
  gap: 10px;
}
.bs-answer-inner.show { display: flex; }
.bs-a-head { display: flex; align-items: center; gap: 10px; }
.bs-a-icon {
  width: 26px; height: 26px; border-radius: 8px;
  background: rgba(165,180,252,0.20);
  color: var(--droplet-300);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.bs-a-icon-build { background: rgba(110,231,183,0.18); color: #6ee7b7; }
.bs-a-title {
  font-size: 14px; font-weight: 600; color: #fff;
}
.bs-a-rows { display: flex; flex-direction: column; gap: 4px; }
.bs-a-row {
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px; padding: 6px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12.5px;
  align-items: center;
}
.bs-a-row:first-child { border-top: none; }
.bs-a-name { color: #fff; }
.bs-a-meta {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-body-soft);
  text-align: right;
}
.bs-a-build .bs-a-name { color: #6ee7b7; font-weight: 600; }
.bs-build-bar {
  display: inline-block; width: 80px; height: 6px;
  background: rgba(110,231,183,0.16);
  border-radius: 3px;
  overflow: hidden;
}
.bs-build-bar i {
  display: block; height: 100%;
  width: 0;
  background: linear-gradient(90deg, #6ee7b7, #a5b4fc);
  animation: bs-build 1.6s ease-out forwards;
}
@keyframes bs-build {
  0%   { width: 0; }
  100% { width: 100%; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .bs-ring-1, .bs-ring-2,
  .bs-core svg,
  .bs-core-glow,
  .bs-core.pulsing .bs-core-pulse,
  .rotator-word { animation: none !important; transition: none !important; }
  .rotator-word { opacity: 1; transform: none; filter: none; }
}

/* Mobile fit */
@media (max-width: 900px) {
  .brain-stage { margin-top: 24px; }
  .bs-field { max-width: 360px; }
  .bs-node { font-size: 12px; padding: 6px 12px 6px 8px; }
  .bs-node .bn-l { display: inline; }
  .bs-core { width: 100px; height: 116px; }
  .bs-core svg { width: 64px; height: 74px; }
  .bs-convo { max-width: 100%; }
}
@media (max-width: 560px) {
  .bs-node .bn-l { display: none; }
  .bs-node { padding: 6px; }
  .bs-node .bn-i { width: 22px; height: 22px; }
}
.logos {
  padding: 64px 0;
  background: var(--color-surface-secondary);
  border-top: 1px solid var(--color-separator);
  border-bottom: 1px solid var(--color-separator);
}
.logos-label {
  text-align: center; font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--color-label-secondary); margin: 0 0 32px;
  font-weight: 600;
}
.logo-row {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 32px;
  align-items: center; justify-items: center;
}
.logo-cell {
  font-family: var(--font-display); font-size: 24px;
  color: var(--color-label-primary);
  letter-spacing: -0.01em;
  text-align: center; line-height: 1.1;
  opacity: 0.7;
  transition: opacity 200ms;
}
.logo-cell small {
  display: block;
  font-family: var(--font-ui); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 4px; font-weight: 600;
  color: var(--color-label-secondary);
}
.logo-cell:hover { opacity: 1; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { background: var(--color-surface-secondary); }
.loop {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch; gap: 0;
}
.loop-step {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-tile);
  display: flex; flex-direction: column;
}
.loop-num {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--droplet-600); font-weight: 600;
  margin-bottom: 16px;
}
.loop-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--color-accent-subtle);
  color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.loop-h {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--color-label-primary);
}
.loop-p {
  font-size: 15px; line-height: 1.55;
  color: var(--text-body);
  margin: 0 0 18px;
}
.loop-list {
  list-style: none; padding: 0; margin: auto 0 0;
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--color-separator);
}
.loop-list li {
  font-size: 13px;
  color: var(--text-body-soft);
  padding-left: 18px;
  position: relative;
}
.loop-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--droplet-500); font-weight: 700;
  font-size: 11px;
}
.loop-arrow {
  display: flex; align-items: center; justify-content: center;
  padding: 0 20px;
  color: var(--color-label-tertiary);
}

/* ============================================================
   LIVE DEMO
   ============================================================ */
.demo { background: var(--color-surface-primary); }
.demo-wrap {
  display: grid; grid-template-columns: 0.95fr 1.1fr; gap: 64px; align-items: center;
}
.demo-copy .section-h { font-size: 48px; }

.demo-steps {
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 36px;
}
.ds-btn {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 14px;
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  transition: all 200ms var(--ease-smooth);
}
.ds-btn:hover { border-color: rgba(60,60,67,0.22); background: var(--color-surface-secondary); }
.ds-btn.active {
  border-color: var(--droplet-500);
  background: rgba(99,102,241,0.04);
  box-shadow: 0 1px 0 rgba(99,102,241,0.05) inset, 0 8px 24px -12px rgba(99,102,241,0.25);
}
.ds-n {
  width: 26px; height: 26px; border-radius: 9999px;
  background: var(--color-surface-secondary);
  color: var(--color-label-secondary);
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.ds-btn.active .ds-n { background: var(--droplet-600); color: #fff; }
.ds-l { display: flex; flex-direction: column; gap: 4px; }
.ds-l strong {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--color-label-tertiary);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.ds-l em {
  font-style: normal;
  font-size: 15px;
  color: var(--color-label-primary);
  font-weight: 500;
}

/* Demo stage */
.demo-stage { position: relative; }
.demo-window {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 20px 60px -30px rgba(99,102,241,0.35),
    0 30px 80px -40px rgba(17,24,39,0.18);
}
.dw-top {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-separator);
}
.dw-tab {
  flex: 1; text-align: center; font-size: 12px; font-weight: 500;
  color: var(--color-label-secondary);
}
.dw-body { display: none; padding: 28px; min-height: 380px; flex-direction: column; gap: 16px; }
.dw-body.active { display: flex; opacity: 1; transform: none; }
.dw-body.entering { animation: fade-rise 350ms var(--ease-smooth) both; }

.msg { display: flex; flex-direction: column; gap: 4px; max-width: 95%; }
.msg-user { align-self: flex-end; }
.msg-ai { align-self: flex-start; }
.msg-meta {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--color-label-tertiary);
  font-weight: 500;
}
.msg-mark {
  display: inline-block; width: 8px; height: 9px;
  background: var(--droplet-500);
  clip-path: polygon(50% 0%, 100% 50%, 75% 90%, 25% 90%, 0% 50%);
}
.msg-b {
  font-size: 14.5px; line-height: 1.5;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--color-surface-secondary);
  color: var(--color-label-primary);
}
.msg-user .msg-b {
  background: var(--droplet-600);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-ai .msg-b {
  background: var(--color-surface-secondary);
  border-bottom-left-radius: 4px;
}
.msg-b code {
  font-family: var(--font-mono); font-size: 12.5px;
  background: rgba(60,60,67,0.08); padding: 1px 5px;
  border-radius: 4px;
}
.msg-chips {
  display: flex; gap: 6px; margin-top: 4px;
  flex-wrap: wrap;
}
.chip {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-label-secondary);
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-separator);
  padding: 3px 8px; border-radius: 9999px;
}

/* Proposed tool card */
.tool-card-proposed, .tool-card-built {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 14px;
  padding: 16px;
  margin-top: 4px;
  box-shadow: var(--shadow-sm);
}
.tool-card-proposed { border-color: rgba(99,102,241,0.35); background: linear-gradient(180deg, rgba(99,102,241,0.04) 0%, rgba(255,255,255,1) 60%); }
.tcp-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.tcp-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--color-accent-subtle); color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.tcp-name { font-size: 15px; font-weight: 600; }
.tcp-sub { font-size: 12px; color: var(--color-label-secondary); margin-top: 2px; }
.tcp-badge {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.12em;
  background: var(--color-accent-subtle); color: var(--droplet-600);
  padding: 4px 8px; border-radius: 6px;
  font-weight: 600;
}
.tcp-flow {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--color-label-secondary);
  padding: 10px 12px;
  background: var(--color-surface-secondary);
  border-radius: 10px;
  margin-bottom: 14px;
}
.tcp-flow .arr { color: var(--droplet-500); }
.tcp-actions { display: flex; align-items: center; gap: 8px; }
.tcp-safety {
  margin-left: auto;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-label-tertiary);
}
.tcp-safety b { color: var(--color-system-green); font-weight: 600; }

/* tool card meta grid (new) */
.tcp-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; margin: 12px 0;
  padding: 10px 12px;
  background: var(--color-surface-secondary);
  border-radius: 10px;
}
.tcp-m { display: flex; flex-direction: column; gap: 2px; }
.tcp-m-k {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-label-tertiary); font-weight: 600;
}
.tcp-m-v { font-size: 12.5px; color: var(--color-label-primary); font-weight: 500; }
.tcp-m-v b { color: var(--color-system-green); font-weight: 600; }

/* Inline-report card (demo frame 1) */
.report-card {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.rc-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.rc-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--color-accent-subtle); color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.rc-titles { flex: 1; }
.rc-title { font-size: 15px; font-weight: 600; color: var(--color-label-primary); }
.rc-sub { font-size: 12px; color: var(--color-label-secondary); margin-top: 2px; }
.rc-badge {
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.12em;
  background: var(--color-surface-secondary); color: var(--color-label-secondary);
  padding: 4px 8px; border-radius: 6px;
  font-weight: 600;
}
.rc-body {
  display: flex; flex-direction: column;
  background: var(--color-surface-secondary);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 12px;
}
.rc-row {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 12px; padding: 6px 0;
  border-top: 1px solid var(--color-separator);
  font-size: 12.5px;
}
.rc-row:first-child { border-top: none; }
.rc-k {
  color: var(--color-label-secondary);
  font-weight: 500;
}
.rc-v { color: var(--color-label-primary); line-height: 1.4; }
.rc-v strong { font-weight: 600; }
.rc-actions { display: flex; align-items: center; gap: 8px; }
.rc-safety {
  margin-left: auto;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-label-tertiary);
}

/* Built tool card */
.tcb-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.tcb-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--color-accent-subtle); color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.tcb-grow { flex: 1; }
.tcb-name { font-size: 15px; font-weight: 600; }
.tcb-sub { font-size: 12px; color: var(--color-label-secondary); margin-top: 2px; }
.tcb-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  background: var(--color-surface-secondary);
  border-radius: 10px;
  padding: 12px;
}
.tcb-k {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--color-label-tertiary); font-weight: 600;
}
.tcb-v {
  font-size: 14px; font-weight: 600;
  color: var(--color-label-primary);
  margin-top: 2px;
}
.tcb-h {
  font-size: 11px;
  color: var(--color-label-secondary);
  margin-top: 1px;
}

/* ============================================================
   TOOL TEMPLATES
   ============================================================ */
.tools { background: var(--color-surface-secondary); }
.tmpl-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}
.tf {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 9999px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  font-size: 13px; font-weight: 500;
  color: var(--color-label-secondary);
  cursor: pointer;
  transition: all 200ms var(--ease-smooth);
}
.tf:hover { border-color: rgba(60,60,67,0.22); }
.tf.active {
  background: var(--color-label-primary); color: var(--color-surface-primary);
  border-color: var(--color-label-primary);
}
.tf span {
  font-family: var(--font-mono); font-size: 11px;
  opacity: 0.55;
}

.tmpl-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.tmpl {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 16px;
  padding: 22px;
  display: flex; flex-direction: column;
  transition: all 200ms var(--ease-smooth);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
}
.tmpl:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--droplet-500) 30%, var(--color-separator));
  box-shadow: 0 12px 32px -16px rgba(99,102,241,0.25);
}
.tmpl-cat {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--droplet-600); font-weight: 600;
  margin-bottom: 12px;
}
.tmpl h4 {
  font-size: 18px; font-weight: 600; margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: var(--color-label-primary);
}
.tmpl p {
  font-size: 14px; line-height: 1.45;
  color: var(--text-body);
  margin: 0 0 18px;
  flex: 1;
}
.tmpl-foot {
  display: flex; justify-content: space-between;
  font-size: 12px;
  color: var(--color-label-tertiary);
  font-family: var(--font-mono);
  padding-top: 14px;
  border-top: 1px solid var(--color-separator);
}
.tmpl-mins { color: var(--color-system-green); font-weight: 500; }

.tmpl-empty {
  background: transparent;
  border: 1px dashed rgba(60,60,67,0.22);
  display: flex; flex-direction: column;
  align-items: flex-start;
}
.tmpl-empty:hover { border-color: var(--droplet-500); background: rgba(99,102,241,0.03); }
.tmpl-empty-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  color: var(--droplet-600);
  font-size: 20px; font-weight: 400;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.tmpl-hidden { display: none; }

/* ============================================================
   PRODUCT SURFACES
   ============================================================ */
.surfaces { background: var(--color-surface-primary); }
.surf-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.surf {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 18px;
  padding: 28px;
  grid-column: span 2;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-tile);
}
.surf-lg { grid-column: span 3; }
.surf-feature {
  background: linear-gradient(180deg, rgba(99,102,241,0.04) 0%, var(--color-surface-primary) 60%);
  border-color: rgba(99,102,241,0.18);
}
.surf-i {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--color-accent-subtle);
  color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.surf h4 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}
.surf p {
  font-size: 15px; line-height: 1.5;
  color: var(--text-body);
  margin: 0;
}
.surf-mini {
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--color-separator);
  display: flex; flex-direction: column; gap: 8px;
}
.mini-row {
  padding: 10px 14px; border-radius: 10px;
  font-size: 13.5px; line-height: 1.4;
}
.mini-q {
  background: var(--color-surface-secondary);
  color: var(--color-label-primary);
  font-style: italic;
}
.mini-a {
  background: rgba(99,102,241,0.07);
  color: var(--color-label-primary);
  border-left: 3px solid var(--droplet-500);
  border-radius: 4px 10px 10px 4px;
}
.mini-tool {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--color-surface-secondary);
  border-radius: 10px;
  font-size: 13.5px;
}
.mt-i {
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--color-accent-subtle); color: var(--droplet-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}
.mt-name { flex: 1; font-weight: 500; }
.mt-meta {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-label-tertiary);
}

/* ============================================================
   SOVEREIGNTY
   ============================================================ */
.sov {
  background: linear-gradient(180deg, var(--color-surface-secondary) 0%, var(--color-surface-primary) 100%);
}
.sov-in {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 0.95fr 1.05fr;
  gap: 80px; align-items: center;
}
.sov-list {
  list-style: none; padding: 0; margin: 28px 0 0;
  display: flex; flex-direction: column; gap: 14px;
}
.sov-list li {
  font-size: 15px; line-height: 1.5;
  color: var(--text-body);
  padding-left: 28px; position: relative;
}
.sov-list li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 16px; height: 16px; border-radius: 4px;
  background: var(--color-accent-subtle);
  border: 1px solid var(--droplet-300);
}
.sov-list li::after {
  content: "✓"; position: absolute; left: 3px; top: 3px;
  font-size: 11px; color: var(--droplet-600); font-weight: 700;
}
.sov-list strong { color: var(--color-label-primary); font-weight: 600; }

/* Sovereignty visual — LAN diagram */
.sov-visual {
  position: relative;
  display: flex; flex-direction: column; gap: 14px;
  align-items: center;
}
.lan-card {
  width: 100%;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 20px;
  padding: 22px 22px 0;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.8) inset,
    var(--shadow-tile);
  position: relative;
  overflow: hidden;
}
.lan-card-head {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: rgba(52,199,89,0.08);
  border: 1px solid rgba(52,199,89,0.22);
  border-radius: 9999px;
  font-size: 12px; font-weight: 600;
  color: #1f7a3a;
  margin-bottom: 8px;
}
.lan-card-head svg { color: #1f7a3a; }
.lc-pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-system-green);
  box-shadow: 0 0 0 3px rgba(52,199,89,0.18);
  animation: scan-pulse 2s ease-in-out infinite;
  margin-left: 4px;
}
.lan-grid {
  position: relative;
  aspect-ratio: 1 / 0.72;
  width: 100%;
}
.lan-lines {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
}
.lan-device {
  position: absolute;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 10px;
  font-size: 12.5px; font-weight: 500;
  color: var(--color-label-primary);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}
.lan-device svg { color: var(--color-label-secondary); flex-shrink: 0; }
.d-top-l { top: 6%;  left: 6%; }
.d-top-r { top: 6%;  right: 6%; }
.d-bot-l { bottom: 6%; left: 6%; }
.d-bot-r { bottom: 6%; right: 6%; }

.lan-center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
}
.lan-droplet {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px 14px 16px;
  background: var(--color-surface-primary);
  border: 1.5px solid var(--droplet-400);
  border-radius: 14px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.8) inset,
    0 16px 40px -16px rgba(99,102,241,0.5),
    0 0 0 6px rgba(99,102,241,0.08);
  position: relative;
}
.lan-droplet::after {
  content: ""; position: absolute; inset: -14px;
  border-radius: 22px;
  background: radial-gradient(50% 60% at 50% 50%, rgba(99,102,241,0.22) 0%, transparent 70%);
  z-index: -1;
}
.lan-d-name {
  font-weight: 600; font-size: 14px;
  color: var(--color-label-primary);
}
.lan-d-sub {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--color-label-secondary);
  margin-top: 2px;
  letter-spacing: 0.02em;
}
.lan-edge {
  margin: 4px -22px 0;
  padding: 14px 22px;
  border-top: 1px dashed rgba(60,60,67,0.18);
  text-align: center;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--color-label-tertiary);
  letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 600;
  background:
    repeating-linear-gradient(45deg, transparent 0, transparent 8px, rgba(99,102,241,0.03) 8px, rgba(99,102,241,0.03) 16px);
}

.sov-cloud {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  align-self: flex-end;
  margin-right: 12px;
}
.sov-cloud-icon {
  position: relative;
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,59,48,0.08);
  color: rgba(255,59,48,0.7);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.sov-cloud-x {
  position: absolute;
  right: -4px; bottom: -4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-system-red); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; line-height: 1;
  border: 2px solid var(--color-surface-primary);
}
.sov-cloud-l { font-size: 13px; font-weight: 600; color: var(--color-label-primary); }
.sov-cloud-s { font-size: 11.5px; color: var(--text-body-soft); margin-top: 2px; }

/* ============================================================
   WHAT IS DROPLET (deep dive)
   ============================================================ */
.what-is {
  background: linear-gradient(180deg, var(--color-surface-primary) 0%, #fbfaff 100%);
  position: relative;
}
.aurora-what {
  inset: -10% -5% -10% -5%;
  opacity: 0.38;
  background:
    radial-gradient(45% 50% at 75% 10%, var(--aurora-2) 0%, transparent 60%),
    radial-gradient(50% 60% at 10% 80%, var(--aurora-1) 0%, transparent 60%);
}
.what-in { position: relative; z-index: 1; }
.what-head { max-width: 880px; margin-bottom: 64px; }
.what-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 60px; line-height: 1.08; letter-spacing: -0.025em;
  margin: 0 0 24px;
  color: var(--color-label-primary);
  text-wrap: pretty;
  padding-bottom: 0.06em;
}
.what-h em { font-style: italic; color: var(--droplet-600); }
.what-lede {
  font-size: 19px; line-height: 1.6;
  color: var(--text-body);
  max-width: 760px; margin: 0;
}
.what-pillars {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.wp {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 18px;
  padding: 28px 26px;
  box-shadow: var(--shadow-tile);
  display: flex; flex-direction: column;
}
.wp-num {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--droplet-600); font-weight: 600;
  margin-bottom: 18px;
}
.wp h3 {
  font-size: 20px; font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--color-label-primary);
}
.wp p {
  font-size: 14.5px; line-height: 1.55;
  color: var(--text-body);
  margin: 0;
}

/* ============================================================
   WHAT IT REPLACES
   ============================================================ */
.replaces { background: var(--color-surface-secondary); }
.rep-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 0;
  align-items: stretch;
}
.rep-before, .rep-after {
  position: relative;
  padding: 36px 32px;
  border-radius: 20px;
  display: flex; flex-direction: column;
}
.rep-before {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
}
.rep-after {
  background: linear-gradient(180deg, #1e1b4b 0%, #181a3a 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(99,102,241,0.55);
}
.rep-aurora {
  position: absolute; inset: 0;
  background:
    radial-gradient(40% 60% at 20% 0%, rgba(165,180,252,0.40) 0%, transparent 60%),
    radial-gradient(50% 70% at 90% 100%, rgba(254,205,211,0.22) 0%, transparent 60%);
  pointer-events: none;
}

.rep-arrow {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 0 24px;
  color: var(--color-label-secondary);
  gap: 6px;
}
.ra-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 600;
  color: var(--droplet-600);
}
.rep-arrow svg { color: var(--droplet-500); }

.rep-card-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 18px;
  position: relative; z-index: 1;
}
.rep-tag {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-label-secondary); font-weight: 600;
  background: var(--color-surface-secondary);
  padding: 5px 10px; border-radius: 6px;
}
.rep-tag.light {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.10);
}
.rep-tag-sub {
  font-size: 12px;
  color: var(--color-label-tertiary);
}
.rep-tag-sub.light { color: rgba(255,255,255,0.55); }

.rep-total-block {
  padding: 20px 0 22px;
  border-top: 1px solid var(--color-separator);
  border-bottom: 1px solid var(--color-separator);
  margin-bottom: 22px;
  position: relative; z-index: 1;
}
.rep-total-block.light {
  border-color: rgba(255,255,255,0.10);
}
.rtb-from {
  display: block;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 6px; font-weight: 600;
}
.rtb-num {
  font-family: var(--font-display); font-weight: 400;
  font-size: 72px; line-height: 1; letter-spacing: -0.025em;
  color: var(--color-label-primary);
  display: inline-block;
}
.rep-after .rtb-num {
  color: #fff;
  background: linear-gradient(180deg, #ffffff 0%, #c7d2fe 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rtb-num.strike {
  color: var(--color-label-tertiary);
  position: relative;
  font-style: italic;
}
.rtb-num.strike::after {
  content: ""; position: absolute;
  left: -4px; right: -4px; top: 52%;
  height: 2.5px;
  background: var(--color-system-red);
  transform: rotate(-3deg); border-radius: 2px;
  opacity: 0.85;
}
.rtb-per {
  display: block;
  font-size: 14px;
  color: var(--color-label-secondary);
  margin-top: 6px;
}
.rep-after .rtb-per { color: rgba(255,255,255,0.7); }

.rep-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column;
  position: relative; z-index: 1;
}
.rep-list li {
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-separator);
  font-size: 14px;
}
.rep-list li:last-child { border-bottom: none; }
.rep-n { color: var(--color-label-primary); font-weight: 500; }
.rep-p {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--color-label-secondary);
}
.rep-risk {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; padding: 8px 12px;
  background: rgba(255,59,48,0.06);
  border: 1px solid rgba(255,59,48,0.18);
  border-radius: 8px;
  font-size: 12.5px; color: #c0392b; font-weight: 500;
  align-self: flex-start;
}

.rep-droplet {
  position: relative; z-index: 1;
  text-align: center; padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.10);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 28px;
}
.rep-d-mark {
  width: 52px; height: 52px; border-radius: 14px;
  background: rgba(255,255,255,0.10);
  color: var(--aurora-1);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.rep-d-name {
  font-family: var(--font-display); font-size: 26px;
  letter-spacing: -0.01em; line-height: 1.1;
  color: #fff;
}
.rep-d-sub {
  font-family: var(--font-mono); font-size: 11.5px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
  letter-spacing: 0.04em;
}

.rep-savings {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px;
  margin-top: auto;
}
.rs {
  text-align: center;
  padding: 14px 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
}
.rs-feature {
  background: rgba(165,180,252,0.14);
  border-color: rgba(165,180,252,0.3);
}
.rs-k {
  font-family: var(--font-display); font-size: 26px;
  color: var(--aurora-1); letter-spacing: -0.01em;
  line-height: 1.1;
}
.rs-feature .rs-k {
  color: #fff;
  background: linear-gradient(180deg, #ffffff 0%, #c7d2fe 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.rs-l {
  font-size: 11.5px;
  color: rgba(255,255,255,0.75);
  margin-top: 6px;
  line-height: 1.3;
}
.rep-foot {
  text-align: center;
  margin: 32px auto 0;
  max-width: 720px;
  font-size: 13px;
  color: var(--text-body-soft);
  line-height: 1.5;
}

/* ============================================================
   USE CASES
   ============================================================ */
.cases { background: var(--color-surface-primary); }
.cases-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.case-card {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 20px;
  padding: 32px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-tile);
  transition: all 250ms var(--ease-smooth);
}
.case-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--droplet-500) 25%, var(--color-separator));
}
.case-tag {
  display: inline-flex; align-self: flex-start;
  font-family: var(--font-mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--droplet-600); font-weight: 600;
  background: var(--color-accent-subtle);
  padding: 5px 10px; border-radius: 6px;
  margin-bottom: 18px;
}
.case-card h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 28px; line-height: 1.15; letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--color-label-primary);
}
.case-tools {
  list-style: none; padding: 0; margin: 0 0 18px;
  display: flex; gap: 6px; flex-wrap: wrap;
}
.case-tools li {
  font-size: 12.5px;
  color: var(--text-body);
  background: var(--color-surface-secondary);
  padding: 5px 10px;
  border-radius: 9999px;
}
.case-stat {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--color-separator);
  font-size: 13px; color: var(--text-body-soft);
}
.case-stat strong { color: var(--droplet-600); font-weight: 600; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing { background: var(--color-surface-secondary); }
.price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  align-items: stretch;
}
.price-card {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 20px;
  padding: 32px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-tile);
  position: relative;
}
.pc-featured {
  background: linear-gradient(180deg, rgba(99,102,241,0.06) 0%, var(--color-surface-primary) 50%);
  border-color: var(--droplet-300);
  box-shadow: var(--shadow-hero), var(--shadow-tile);
}
.pc-flag {
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  background: var(--droplet-600); color: #fff;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
}
.pc-head { margin-bottom: 22px; }
.pc-name {
  font-family: var(--font-display); font-weight: 400;
  font-size: 38px; letter-spacing: -0.01em; line-height: 1;
  margin: 0 0 6px;
}
.pc-for {
  font-size: 13px;
  color: var(--text-body-soft);
  margin: 0;
}
.pc-price {
  padding: 18px 0;
  border-top: 1px solid var(--color-separator);
  border-bottom: 1px solid var(--color-separator);
  margin-bottom: 22px;
}
.pc-from {
  display: block;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--color-label-tertiary);
  font-weight: 600;
  margin-bottom: 4px;
}
.pc-num {
  font-family: var(--font-display); font-size: 56px;
  letter-spacing: -0.02em; line-height: 1;
  color: var(--color-label-primary);
}
.pc-per {
  display: block;
  font-size: 13px;
  color: var(--color-label-secondary);
  margin-top: 4px;
}
.pc-list {
  list-style: none; padding: 0; margin: 0 0 24px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.pc-list li {
  font-size: 14px; color: var(--text-body);
  padding-left: 22px; position: relative;
  line-height: 1.4;
}
.pc-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--droplet-500); font-weight: 700;
  font-size: 13px;
}

.price-note {
  margin-top: 28px;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 16px;
  padding: 24px 28px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.pn-l {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--droplet-600); font-weight: 600;
  margin-bottom: 6px;
}
.pn-v {
  font-size: 13.5px;
  color: var(--text-body);
  line-height: 1.45;
}

/* ============================================================
   COMPLIANCE (demoted)
   ============================================================ */
.comp { background: var(--color-surface-primary); padding: 80px 0; }
.comp-row {
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: 56px; align-items: center;
  background: var(--color-surface-secondary);
  padding: 40px 48px;
  border-radius: 20px;
}
.comp-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 36px; letter-spacing: -0.01em; line-height: 1.1;
  margin: 0 0 14px;
}
.comp-p {
  font-size: 15px; line-height: 1.55;
  color: var(--text-body);
  margin: 0 0 16px;
}
.comp-link {
  font-size: 14px; font-weight: 600;
  color: var(--droplet-600);
}
.comp-badges {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.cb {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 10px;
  padding: 14px 16px;
}
.cb-t {
  display: block;
  font-weight: 600; font-size: 14px;
  color: var(--color-label-primary);
}
.cb-d {
  display: block; font-size: 11.5px;
  color: var(--text-body-soft);
  margin-top: 2px;
}

/* ============================================================
   HARDWARE SPECS (collapsed)
   ============================================================ */
.specs { background: var(--color-surface-primary); padding: 32px 0 96px; }
.specs-d {
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-separator);
  border-radius: 16px;
}
.specs-sum {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 28px;
  transition: background 200ms;
}
.specs-sum::-webkit-details-marker { display: none; }
.specs-sum:hover { background: rgba(99,102,241,0.04); }
.specs-sum .eyebrow { margin: 0 0 4px; }
.specs-title {
  font-family: var(--font-display); font-size: 28px;
  letter-spacing: -0.01em; line-height: 1.1;
  color: var(--color-label-primary);
}
.specs-cta {
  font-size: 13px; font-weight: 600;
  color: var(--droplet-600);
  display: inline-flex; align-items: center; gap: 8px;
}
.specs-cta .plus {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 9999px;
  background: var(--droplet-600); color: #fff;
  font-size: 14px; line-height: 1;
}
.specs-d[open] .specs-cta .plus::before { content: "−"; }
.specs-d[open] .specs-cta .plus { font-size: 0; }
.specs-d[open] .specs-cta .plus::before { font-size: 16px; }

.specs-body {
  padding: 8px 28px 28px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 36px;
  border-top: 1px solid var(--color-separator);
  padding-top: 24px;
  margin-top: 4px;
}
.spec-col h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-label-primary);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.spec-p {
  font-size: 13.5px; line-height: 1.5;
  color: var(--text-body);
  margin: 0;
}

.specs-footer {
  border-top: 1px solid var(--color-separator);
  padding: 24px 28px 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
}
.sf-label {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--droplet-600); font-weight: 600;
}
.sf-tiers {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.sft {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.sft-mid {
  border-color: var(--droplet-300);
  background: rgba(99,102,241,0.04);
}
.sft-name { font-size: 14px; font-weight: 600; color: var(--color-label-primary); }
.sft-for { font-size: 11.5px; color: var(--text-body-soft); }
.sf-link {
  font-size: 13px; font-weight: 600;
  color: var(--droplet-600);
  white-space: nowrap;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta {
  background: linear-gradient(180deg, #fbfaff 0%, var(--color-surface-secondary) 100%);
  padding: 120px 0;
}
.cta-wrap {
  position: relative; z-index: 1;
  text-align: center;
  max-width: 720px;
}
.cta-h {
  font-family: var(--font-display); font-weight: 400;
  font-size: 64px; line-height: 1.08; letter-spacing: -0.025em;
  margin: 0 0 22px;
  color: var(--color-label-primary);
  text-wrap: balance;
  padding-bottom: 0.06em;
}
.cta-h em { font-style: italic; color: var(--droplet-600); }
.cta-p {
  font-size: 18px; line-height: 1.55;
  color: var(--text-body);
  margin: 0 auto 36px;
  max-width: 560px;
}
.cta-form {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-separator);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow-hero), var(--shadow-tile);
}
.cf-row {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr auto; gap: 8px;
}
.cf-in {
  background: var(--color-surface-secondary);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px; font-family: inherit;
  color: var(--color-label-primary);
  transition: all 200ms var(--ease-smooth);
}
.cf-in::placeholder { color: var(--color-label-tertiary); }
.cf-in:focus {
  outline: none;
  background: var(--color-surface-primary);
  border-color: var(--droplet-400);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.cf-msg {
  display: none;
  text-align: center;
  font-size: 13px;
  color: var(--color-system-green);
  margin: 12px 0 0;
}
.cf-msg.show { display: block; }
.cf-msg code {
  font-family: var(--font-mono); font-size: 12px;
  background: rgba(52,199,89,0.10); padding: 2px 6px; border-radius: 4px;
  color: var(--color-system-green);
}
.cta-foot {
  margin-top: 20px;
  font-size: 12.5px;
  color: var(--color-label-tertiary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.ft {
  background: var(--color-surface-primary);
  border-top: 1px solid var(--color-separator);
  padding: 64px 0 0;
}
.ft-in {
  display: grid; grid-template-columns: 1fr 2fr; gap: 64px;
  padding-bottom: 48px;
}
.ft-brand { display: flex; align-items: center; gap: 12px; color: var(--droplet-600); }
.ft-brand .brand-mark { color: var(--droplet-600); }
.ft-name { font-size: 16px; font-weight: 600; color: var(--color-label-primary); }
.ft-tag { font-size: 12.5px; color: var(--color-label-secondary); margin-top: 2px; }
.ft-cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.ft-col { display: flex; flex-direction: column; gap: 10px; }
.ft-l {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-label-tertiary); font-weight: 600;
  margin-bottom: 4px;
}
.ft-col a {
  font-size: 14px; color: var(--color-label-secondary);
  transition: color 200ms;
}
.ft-col a:hover { color: var(--color-label-primary); }
.ft-bottom {
  border-top: 1px solid var(--color-separator);
  padding: 20px 0;
  font-size: 12.5px; color: var(--color-label-tertiary);
}
.ft-b-in { display: flex; align-items: center; gap: 14px; }
.ft-dots { color: var(--color-label-quaternary); }
.ft-bottom a { color: var(--color-label-secondary); }
.ft-bottom a:hover { color: var(--color-label-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .hero-h { font-size: 64px; }
  .section-h { font-size: 46px; }
  .cta-h { font-size: 52px; }
  .pc-num { font-size: 48px; }
  .what-h { font-size: 48px; }
  .what-pillars { grid-template-columns: 1fr 1fr; }
  .rtb-num { font-size: 60px; }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
}
@media (max-width: 900px) {
  .hero-in,
  .demo-wrap,
  .sov-in,
  .comp-row,
  .ft-in { grid-template-columns: 1fr; gap: 48px; }
  .hero-h { font-size: 48px; }
  .section-h { font-size: 36px; }
  .cta-h { font-size: 40px; }
  section { padding: 72px 0; }
  .loop { grid-template-columns: 1fr; }
  .loop-arrow { display: none; }
  .tmpl-grid,
  .cases-grid,
  .price-grid,
  .comp-badges,
  .what-pillars,
  .specs-body { grid-template-columns: 1fr; }
  .specs-footer { grid-template-columns: 1fr; }
  .sf-tiers { grid-template-columns: 1fr; }
  .rep-grid { grid-template-columns: 1fr; gap: 16px; }
  .rep-arrow { padding: 8px 0; flex-direction: row; }
  .rep-arrow svg { transform: rotate(90deg); }
  .what-h { font-size: 36px; }
  .surf-grid { grid-template-columns: 1fr; }
  .surf, .surf-lg { grid-column: span 1; }
  .pn-cell + .pn-cell { padding-top: 16px; border-top: 1px solid var(--color-separator); }
  .price-note { grid-template-columns: 1fr; gap: 16px; }
  .cf-row { grid-template-columns: 1fr; }
  .logo-row { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .pill-a, .pill-b { display: none; }
  .ft-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .hero-trustline { flex-direction: column; gap: 10px; }
  .nav-cta .btn-ghost { display: none; }
  .tcb-stats { grid-template-columns: 1fr 1fr; }
  .rep-savings { grid-template-columns: 1fr; gap: 12px; }
  .tcp-actions { flex-wrap: wrap; }
  .tcp-safety { margin-left: 0; flex-basis: 100%; }
}