:root {
  --bg: #040912;
  --bg-deep: #010511;
  --panel: rgba(10, 19, 37, 0.68);
  --panel-strong: rgba(14, 25, 47, 0.9);
  --line: rgba(121, 153, 205, 0.22);
  --line-bright: rgba(39, 221, 255, 0.52);
  --text: #edf6ff;
  --muted: #97a7bd;
  --muted-2: #65778f;
  --cyan: #20e7ff;
  --blue: #2d86ff;
  --violet: #8a58ff;
  --magenta: #e454ff;
  --green: #47ff7b;
  --warning: #ffcc66;
  --shadow-cyan: 0 0 28px rgba(32, 231, 255, .35);
  --shadow-violet: 0 0 34px rgba(138, 88, 255, .42);
  --radius: 18px;
  --max: 1210px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  min-height: 100%;
  margin: 0;
  font-family: "Space Grotesk", "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(27, 133, 255, 0.18), transparent 32rem),
    radial-gradient(circle at 86% 22%, rgba(139, 60, 255, 0.18), transparent 29rem),
    radial-gradient(circle at 50% 92%, rgba(32, 231, 255, 0.09), transparent 36rem),
    linear-gradient(180deg, #050b18 0%, #020711 52%, #030815 100%);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

#neural-canvas,
#fallback-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

#fallback-canvas { display: none; opacity: .72; }

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 50% 40%, black, transparent 74%);
}

.app-shell {
  position: relative;
  z-index: 3;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(137, 164, 214, 0.14);
  background: rgba(3, 8, 18, .78);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 50px rgba(0, 0, 0, .22);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 88px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  min-width: max-content;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(39, 174, 255, .28));
}

.footer .brand-logo { height: 68px; }

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.6vw, 38px);
  margin-left: auto;
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .72rem;
  font-weight: 800;
  color: #b4bfd0;
}

.nav-link {
  position: relative;
  padding: 34px 0 31px;
  transition: color .24s ease;
  cursor: pointer;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .24s ease;
  box-shadow: var(--shadow-cyan);
}

.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--cyan); }

.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.top-actions { display: flex; align-items: center; gap: 14px; }

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(9, 18, 36, .6);
  color: var(--text);
  cursor: pointer;
}

.hamburger span,
.hamburger::before,
.hamburger::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 5px auto;
  transition: transform .2s ease, opacity .2s ease;
}

.topbar.menu-open .hamburger::before { transform: translateY(7px) rotate(45deg); }
.topbar.menu-open .hamburger span { opacity: 0; }
.topbar.menu-open .hamburger::after { transform: translateY(-7px) rotate(-45deg); }

.btn {
  border: 1px solid rgba(120, 164, 255, .33);
  border-radius: 14px;
  color: var(--text);
  background: rgba(10, 20, 40, .58);
  padding: 15px 22px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 900;
  line-height: 1;
  max-width: 100%;
  min-width: 0;
  text-align: center;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .03);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 225, 255, .72);
  box-shadow: var(--shadow-cyan);
  background: rgba(19, 31, 58, .82);
}

.btn-primary {
  border-color: rgba(47, 225, 255, .48);
  background: linear-gradient(135deg, #1dddfb 0%, #2b7eff 48%, #bd45ff 100%);
  box-shadow: 0 16px 45px rgba(46, 131, 255, .27), inset 0 0 18px rgba(255, 255, 255, .14);
}

.btn-ghost { background: rgba(10, 20, 40, .54); }

.btn-icon {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.14rem;
  width: 1.1em;
  height: 1.1em;
  line-height: 1;
  transform: none;
}

.btn-icon-arrow {
  position: relative;
  width: 18px;
  height: 18px;
  font-size: 0;
}

.btn-icon-arrow::before,
.btn-icon-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  display: block;
  color: currentColor;
}

.btn-icon-arrow::before {
  width: 6px;
  height: 6px;
  right: 2px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.btn-icon-arrow::after {
  left: 2px;
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translateY(-50%);
}

main { flex: 1; }

.route-section {
  display: none;
  animation: routeIn .42s ease both;
}

.route-section.active { display: block; }

@keyframes routeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.hero {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
  align-items: center;
  gap: 48px;
  padding: 72px 0 52px;
  position: relative;
  overflow: hidden;
}

.hero-copy-block {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  left: 52%;
  right: -12vw;
  bottom: 0;
  height: 260px;
  background:
    repeating-linear-gradient(90deg, rgba(55, 219, 255, .15) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, transparent, rgba(24, 107, 255, .2));
  transform: perspective(700px) rotateX(66deg);
  transform-origin: bottom;
  filter: blur(.1px);
  opacity: .42;
  pointer-events: none;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  color: #c5d8ef;
  text-transform: uppercase;
  letter-spacing: .23em;
  font-size: .78rem;
  font-weight: 900;
  margin: 0 0 28px;
}

.eyebrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 99px;
  background: var(--cyan);
  box-shadow: 0 0 22px var(--cyan);
}

.eyebrow.green::before { background: var(--green); box-shadow: 0 0 18px var(--green); }
.eyebrow.violet::before { background: var(--violet); box-shadow: 0 0 18px var(--violet); }

h1, h2, h3, p { margin-top: 0; }

.hero-title {
  font-size: clamp(3.35rem, 7.8vw, 7.15rem);
  line-height: .93;
  margin: 0 0 28px;
  letter-spacing: .095em;
  text-transform: uppercase;
  font-weight: 900;
  max-width: 100%;
  text-shadow: 0 0 34px rgba(255, 255, 255, .08);
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), #51a9ff 34%, #855cff 67%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.hero-pillar-rotator {
  display: block;
  min-height: 1.95em;
  margin-top: .04em;
  font-size: .54em;
  line-height: .98;
  letter-spacing: .07em;
}

.hero-pillar-word {
  display: inline-block;
  max-width: 12ch;
  text-wrap: balance;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  transition: opacity .28s ease, transform .28s ease, filter .28s ease;
}

.hero-pillar-word.is-changing {
  opacity: 0;
  transform: translateY(.22em);
  filter: blur(8px);
}

.hero-copy {
  max-width: 600px;
  color: #b9c8dc;
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  line-height: 1.62;
  overflow-wrap: break-word;
  margin-bottom: 34px;
}

.mobile-title-break { display: none; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  max-width: 100%;
  margin-bottom: 50px;
}

.status-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: #9caabd;
  text-transform: uppercase;
  letter-spacing: .17em;
  font-size: .74rem;
  font-weight: 900;
}

.status-row .divider {
  width: 1px;
  height: 18px;
  background: rgba(214, 230, 255, .35);
}

.status-label {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .17em;
}

.status-online {
  color: var(--green);
  text-shadow: 0 0 20px rgba(71, 255, 123, .34);
}

.hero-visual {
  position: relative;
  min-height: 580px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.pyramid-shell {
  width: min(100%, 430px);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
  opacity: .52;
  filter: drop-shadow(0 0 45px rgba(48, 200, 255, .18));
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.pyramid-shell.is-dragging { cursor: grabbing; }

.orbit-ring {
  position: absolute;
  z-index: 1;
  width: 82%;
  aspect-ratio: 1;
  border: 1px solid rgba(32, 231, 255, .22);
  border-radius: 50%;
  box-shadow: inset 0 0 34px rgba(138, 88, 255, .1), 0 0 38px rgba(32, 231, 255, .12);
  animation: spin 18s linear infinite;
  pointer-events: none;
}

.hero-3d-stage {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: visible;
}

.hero-3d-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.orbit-ring::before,
.orbit-ring::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 19px var(--cyan);
  left: 11%;
  top: 17%;
}

.orbit-ring::after {
  background: var(--magenta);
  box-shadow: 0 0 19px var(--magenta);
  left: auto;
  right: 8%;
  top: 66%;
}

.hero-logo-mark {
  position: relative;
  z-index: 2;
  width: clamp(190px, 25vw, 320px);
  max-width: 72%;
  height: auto;
  animation: heroMarkFloat 4.8s ease-in-out infinite;
  transition: opacity .35s ease, transform .35s ease, visibility .35s ease;
  filter:
    drop-shadow(0 0 24px rgba(32, 231, 255, .28))
    drop-shadow(0 0 36px rgba(184, 92, 255, .18));
}

.pyramid-shell.is-3d-ready .hero-logo-mark {
  opacity: 0;
  visibility: hidden;
  transform: scale(.92);
}

@keyframes heroMarkFloat { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-10px) scale(1.025); } }
@keyframes spin { to { transform: rotate(360deg); } }

.section-block {
  padding: 70px 0 84px;
  border-top: 1px solid rgba(133, 164, 219, .15);
  position: relative;
}

.section-block.no-border { border-top: 0; }

.section-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .19em;
  font-size: .78rem;
  font-weight: 900;
  margin-bottom: 15px;
}

.kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 1.05;
  margin: 0 0 14px;
  letter-spacing: .02em;
}

.section-copy {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.04rem;
  max-width: 720px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.pillar-card,
.glass-card {
  position: relative;
  border: 1px solid rgba(128, 160, 217, .2);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(12, 25, 48, .78), rgba(5, 13, 27, .68));
  box-shadow: 0 20px 55px rgba(0, 0, 0, .18), inset 0 0 0 1px rgba(255, 255, 255, .025);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.pillar-card::before,
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent, rgba(32, 231, 255, .08), transparent 58%),
    radial-gradient(circle at 15% 0%, rgba(32, 231, 255, .13), transparent 32%);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}

.pillar-card:hover,
.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(32, 231, 255, .5);
  box-shadow: 0 25px 70px rgba(0, 0, 0, .22), var(--shadow-cyan);
}

.pillar-card:hover::before,
.glass-card:hover::before { opacity: 1; }

.pillar-card {
  min-height: 180px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.pillar-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.pillar-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 1.65rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 16px rgba(32, 231, 255, .42));
}

.pillar-card:nth-child(3n) .pillar-icon,
.pillar-card:nth-child(3n) .pillar-number { color: var(--violet); filter: drop-shadow(0 0 16px rgba(138, 88, 255, .48)); }
.pillar-card:nth-child(4n) .pillar-icon,
.pillar-card:nth-child(4n) .pillar-number { color: #31fffa; }
.pillar-number { color: #b9c9de; font-size: .8rem; font-weight: 900; opacity: .76; }

.pillar-card h3 {
  margin: 18px 0 8px;
  font-size: 1.05rem;
  letter-spacing: .03em;
}

.pillar-card p {
  margin: 0;
  color: #aab8cc;
  line-height: 1.52;
  font-size: .92rem;
}

.page-hero {
  padding: 78px 0 30px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(390px, 1.05fr);
  gap: 28px;
  align-items: stretch;
}

.architecture-map {
  min-height: 520px;
  padding: 28px;
  display: grid;
  place-items: center;
}

.loop-map {
  width: min(100%, 500px);
  aspect-ratio: 1;
  position: relative;
  border-radius: 50%;
  border: 1px solid rgba(32, 231, 255, .2);
  background:
    radial-gradient(circle at center, rgba(32, 231, 255, .1), transparent 36%),
    conic-gradient(from 20deg, rgba(32, 231, 255, .18), rgba(138, 88, 255, .12), rgba(32, 231, 255, .18));
  box-shadow: inset 0 0 80px rgba(32, 231, 255, .07), 0 0 54px rgba(32, 231, 255, .11);
}

.loop-map::before,
.loop-map::after {
  content: "";
  position: absolute;
  inset: 13%;
  border: 1px dashed rgba(161, 185, 229, .22);
  border-radius: 50%;
  animation: spin 26s linear infinite;
}

.loop-map::after {
  inset: 27%;
  animation-duration: 18s;
  animation-direction: reverse;
  border-color: rgba(138, 88, 255, .3);
}

.loop-node {
  position: absolute;
  width: 126px;
  min-height: 92px;
  padding: 15px 12px;
  display: grid;
  align-content: center;
  gap: 6px;
  text-align: center;
  border: 1px solid rgba(32, 231, 255, .27);
  border-radius: 18px;
  background: rgba(6, 15, 31, .82);
  box-shadow: 0 14px 35px rgba(0,0,0,.28), inset 0 0 28px rgba(32,231,255,.04);
  backdrop-filter: blur(12px);
  transform: translate(-50%, -50%);
}

.loop-node b {
  display: block;
  text-transform: uppercase;
  color: #e4f5ff;
  letter-spacing: .11em;
  font-size: .7rem;
}

.loop-node span {
  color: #8ea0b8;
  font-size: .74rem;
  line-height: 1.35;
}

.loop-node.n1 { top: 8%; left: 50%; }
.loop-node.n2 { top: 33%; left: 91%; }
.loop-node.n3 { top: 78%; left: 78%; }
.loop-node.n4 { top: 78%; left: 22%; }
.loop-node.n5 { top: 33%; left: 9%; }

.loop-center {
  position: absolute;
  inset: 34%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: transparent;
  background:
    radial-gradient(circle, rgba(32, 231, 255, .2), transparent 64%),
    linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  font-weight: 950;
  font-size: 4rem;
  letter-spacing: -.12em;
  filter: drop-shadow(0 0 22px rgba(32, 231, 255, .38));
}

.architecture-panel { padding: 28px; }

.stack { display: grid; gap: 14px; }

.stack-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px;
  border-radius: 16px;
  background: rgba(6, 15, 31, .58);
  border: 1px solid rgba(128, 160, 217, .16);
}

.stack-index {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  background: rgba(32, 231, 255, .09);
  border: 1px solid rgba(32, 231, 255, .2);
  font-size: .75rem;
  font-weight: 900;
}

.stack-item h3 { margin: 0 0 6px; font-size: 1rem; }
.stack-item p { margin: 0; color: var(--muted); line-height: 1.55; font-size: .92rem; }

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, .82fr);
  gap: 22px;
  align-items: start;
}

.mission-card { padding: 32px; }
.mission-card p { color: #b2c0d5; line-height: 1.78; font-size: 1.04rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 24px;
}

.stat {
  padding: 18px;
  border: 1px solid rgba(128, 160, 217, .17);
  border-radius: 16px;
  background: rgba(6, 15, 31, .56);
}

.stat strong {
  display: block;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  color: var(--text);
  margin-bottom: 5px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat span { color: var(--muted); font-size: .82rem; line-height: 1.35; }

.principle-list { display: grid; gap: 12px; }
.principle { padding: 20px; }
.principle h3 { margin-bottom: 8px; }
.principle p { color: var(--muted); line-height: 1.55; margin: 0; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 22px;
  align-items: stretch;
}

.contact-card { padding: 28px; }

.form-grid { display: grid; gap: 14px; }

.field { display: grid; gap: 8px; }
.field label { color: #c9d7ea; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 900; }

.field input,
.field textarea {
  width: 100%;
  color: var(--text);
  border: 1px solid rgba(128, 160, 217, .24);
  border-radius: 14px;
  background: rgba(2, 8, 19, .7);
  padding: 15px 16px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.field textarea { min-height: 132px; resize: vertical; }

.field input:focus,
.field textarea:focus {
  border-color: rgba(32, 231, 255, .64);
  box-shadow: 0 0 0 4px rgba(32, 231, 255, .08);
}

.terminal {
  padding: 0;
  overflow: hidden;
}

.terminal-bar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(128, 160, 217, .16);
  background: rgba(9, 18, 36, .88);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted-2);
}
.terminal-dot:nth-child(1) { background: #ff5f72; }
.terminal-dot:nth-child(2) { background: #ffcc66; }
.terminal-dot:nth-child(3) { background: #47ff7b; }

.terminal-body {
  padding: 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #a7dff0;
  min-height: 395px;
  display: grid;
  align-content: start;
  gap: 12px;
}

.terminal-line { color: rgba(196, 226, 255, .85); line-height: 1.55; }
.terminal-line span { color: var(--green); }
.terminal-line em { color: var(--violet); font-style: normal; }

.footer {
  border-top: 1px solid rgba(133, 164, 219, .15);
  background: rgba(1, 6, 14, .52);
  padding: 48px 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(96px, .38fr) minmax(340px, 1.42fr) minmax(320px, 1.08fr);
  column-gap: clamp(32px, 5vw, 72px);
  row-gap: 36px;
  align-items: start;
}

.footer .brand { margin-bottom: 18px; }
.footer-brand-block {
  justify-self: end;
  max-width: 370px;
  padding-left: clamp(8px, 2vw, 28px);
}
.footer-newsletter-block { max-width: 520px; }
.footer-copy { color: var(--muted); line-height: 1.55; max-width: 350px; }
.footer h3 { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; margin-bottom: 17px; color: #dbe8fb; }
.footer-links { display: grid; gap: 11px; color: #a7b4c7; font-size: .94rem; }

.newsletter {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin: 16px 0 18px;
}

.newsletter input {
  min-width: 0;
  border: 1px solid rgba(128, 160, 217, .2);
  border-radius: 12px;
  background: rgba(3, 10, 22, .72);
  color: var(--text);
  padding: 14px 15px;
  outline: none;
}

.newsletter button {
  width: 48px;
  border: 0;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  cursor: pointer;
  box-shadow: var(--shadow-violet);
}

.socials { display: flex; gap: 16px; color: #9aabc0; font-weight: 900; }
.copyright { color: #77869a; font-size: .85rem; margin-top: 24px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  background: rgba(0, 4, 12, .7);
  backdrop-filter: blur(14px);
  padding: 24px;
}

.modal-backdrop.open { display: grid; }

.modal {
  width: min(650px, 100%);
  border: 1px solid rgba(32, 231, 255, .28);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(12, 25, 48, .96), rgba(4, 11, 24, .98));
  box-shadow: 0 35px 120px rgba(0,0,0,.6), var(--shadow-cyan);
  overflow: hidden;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(128, 160, 217, .16);
}

.modal-head h3 { margin: 0; }
.modal-close {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(128, 160, 217, .26);
  border-radius: 12px;
  background: rgba(6, 15, 31, .8);
  color: var(--text);
  cursor: pointer;
  font-size: 1.2rem;
}

.modal-body { padding: 24px; color: #b4c3d8; line-height: 1.75; }
.modal-body ul { margin: 16px 0 0; padding-left: 20px; }
.modal-body li { margin-bottom: 9px; }

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; padding-top: 52px; }
  .hero-visual { min-height: 520px; }
  .pillars-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid {
    grid-template-columns: minmax(92px, .42fr) minmax(270px, 1.25fr) minmax(250px, 1fr);
    column-gap: 34px;
  }
  .footer-brand-block,
  .footer-newsletter-block {
    max-width: none;
  }
}

@media (max-width: 920px) {
  .topbar-inner { min-height: 76px; }
  .brand-logo { height: 54px; }
  .nav {
    position: fixed;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid rgba(128, 160, 217, .22);
    border-radius: 20px;
    background: rgba(4, 10, 22, .96);
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .55);
  }
  .topbar.menu-open .nav { display: flex; }
  .nav-link { padding: 13px 4px; }
  .nav-link::after { bottom: 6px; }
  .hamburger { display: block; }
  .top-actions .btn { display: none; }
  .hero-title { letter-spacing: .05em; }
}

@media (max-width: 680px) {
  .topbar-inner, .wrap { padding-left: 18px; padding-right: 18px; }
  .brand-logo { height: 48px; }
  .hero { min-height: auto; gap: 28px; padding: 38px 0 62px; }
  .hero-copy-block,
  .hero-title,
  .hero-copy,
  .cta-row,
  .status-row { width: 100%; max-width: 100%; }
  .hero-title { font-size: 3.3rem; line-height: .98; letter-spacing: .016em; }
  .hero-pillar-rotator { min-height: 1.82em; font-size: .58em; letter-spacing: .035em; }
  .cta-row { flex-direction: column; align-items: stretch; gap: 12px; margin-bottom: 34px; }
  .btn { width: 100%; justify-content: center; padding: 14px 16px; letter-spacing: .08em; line-height: 1.12; }
  .hero-visual { min-height: 430px; }
  .pyramid-shell { width: 100%; }
  .section-block { padding: 52px 0 60px; }
  .pillars-grid, .stat-grid, .footer-grid { grid-template-columns: 1fr; }
  .architecture-map { min-height: 430px; padding: 16px; }
  .loop-node { width: 105px; min-height: 78px; font-size: .75rem; }
  .loop-node span { display: none; }
  .loop-center { font-size: 3rem; }
  .footer .brand { align-items: flex-start; }
  .footer-brand-block { justify-self: stretch; padding-left: 0; }
  .newsletter { grid-template-columns: 1fr; }
  .newsletter button { width: 100%; height: 46px; }
}

@media (max-width: 420px) {
  .hero-title { font-size: 2.5rem; letter-spacing: .004em; }
  .hero-pillar-rotator { font-size: .62em; letter-spacing: .022em; }
  .mobile-title-break { display: inline; }
  .hero-copy { font-size: .98rem; }
  .btn { font-size: .72rem; padding-left: 12px; padding-right: 12px; }
}

@media (max-width: 360px) {
  .topbar-inner, .wrap { padding-left: 14px; padding-right: 14px; }
  .hero-title { font-size: 2.16rem; letter-spacing: 0; }
  .hero-pillar-rotator { font-size: .66em; letter-spacing: .012em; }
  .btn { letter-spacing: .055em; }
}