/* ── Reset & Base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #08111F;
  --bg-mid:      #0C1A2E;
  --bg-card:     #0F2040;
  --bg-card-alt: #112348;
  --border:      rgba(0,196,204,0.15);
  --border-teal: rgba(0,196,204,0.30);
  --teal:        #00C4CC;
  --teal-dim:    rgba(0,196,204,0.13);
  --teal-glow:   rgba(0,196,204,0.30);
  --text1:       rgba(255,255,255,0.92);
  --text2:       rgba(255,255,255,0.60);
  --text3:       rgba(255,255,255,0.38);
  --font-body:   'Inter', system-ui, sans-serif;
  --radius:      10px;
  --radius-lg:   16px;
  --max-w:       1120px;
  --section-py:  104px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text1);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Layout ───────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: var(--section-py) 0;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.nav.nav-scrolled {
  background: rgba(8,17,31,0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.logo { display: flex; align-items: center; }

.nav-logo-img {
  height: 38px;
  width: auto;
  display: block;
  /* logo-regular.png has no padding, renders cleanly */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  color: var(--text2);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text1); }

.btn-nav {
  padding: 10px 22px;
  background: var(--teal);
  color: #08111F;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-nav:hover { opacity: 0.88; transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text1);
  transition: all 0.3s;
  border-radius: 2px;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 40px 24px;
  background: rgba(8,17,31,0.97);
  border-top: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }
.nav-mobile-link {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  font-size: 15px;
  font-weight: 500;
}
.nav-mobile-link:hover { color: var(--text1); }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 30px;
  background: var(--teal);
  color: #08111F;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 32px rgba(0,196,204,0.35);
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(0,196,204,0.5);
}
.btn-large { font-size: 16px; padding: 15px 36px; border-radius: 12px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: 1.5px solid rgba(255,255,255,0.22);
  color: var(--text2);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-ghost:hover {
  color: var(--text1);
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.05);
}
.btn-ghost-light {
  color: rgba(255,255,255,0.6);
  border-color: rgba(255,255,255,0.2);
  font-size: 16px;
}
.btn-ghost-light:hover {
  color: var(--text1);
  border-color: rgba(255,255,255,0.4);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  text-align: center;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,196,204,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,196,204,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0,196,204,0.14) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1.5px solid var(--border-teal);
  padding: 7px 20px;
  border-radius: 100px;
  margin-bottom: 36px;
}

.hero-acronym {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero-acronym span {
  color: var(--teal);
  font-weight: 700;
}

.hero-headline {
  font-size: clamp(40px, 5vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text1);
  margin-bottom: 24px;
}

.hero-accent {
  color: var(--teal);
  display: block;
}

.hero-sub {
  font-size: 19px;
  color: var(--text2);
  font-weight: 400;
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* ── Intelligence Loop (Radial) ───────────────────────────────── */
.loop-visual {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loop-brand-icon {
  position: absolute;
  z-index: 3;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.loop-icon-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(0,196,204,0.5));
}

.loop-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--border-teal);
}
.loop-ring-1 {
  width: 220px;
  height: 220px;
  animation: spin 18s linear infinite;
  border-style: dashed;
  border-color: rgba(0,196,204,0.2);
}
.loop-ring-2 {
  width: 360px;
  height: 360px;
  animation: spin 30s linear infinite reverse;
  border-color: rgba(0,196,204,0.12);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.loop-nodes-radial {
  position: absolute;
  inset: 0;
}

.loop-node-r {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform-origin: 0 0;
  --r: 168px;
  transform: rotate(var(--angle)) translateY(calc(-1 * var(--r))) rotate(calc(-1 * var(--angle))) translate(-50%, -50%);
}

.loop-node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 14px rgba(0,196,204,0.7);
  flex-shrink: 0;
}
.loop-node-dot-dim {
  background: rgba(0,196,204,0.35);
  box-shadow: 0 0 8px rgba(0,196,204,0.3);
}

.loop-node-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.loop-caption {
  position: absolute;
  bottom: -48px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  color: var(--text3);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* ── For You Strip ────────────────────────────────────────────── */
.for-you {
  padding: 40px 0;
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 60px;
}
.for-you-text {
  text-align: center;
  font-size: 17px;
  color: var(--text2);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto;
}
.for-you-text strong { color: var(--text1); font-weight: 700; }

/* ── Section labels & headings ────────────────────────────────── */
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.section-label-light { color: var(--teal); }

.section-heading {
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text1);
  margin-bottom: 48px;
}
.section-heading-light { color: var(--text1); }

/* ── How it works ─────────────────────────────────────────────── */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.how-card:hover {
  border-color: var(--border-teal);
  transform: translateY(-3px);
}

.how-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 20px;
  opacity: 0.8;
}

.how-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text1);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.how-body {
  font-size: 16px;
  color: var(--text2);
  line-height: 1.65;
}

/* ── Dark sections ────────────────────────────────────────────── */
.section-dark {
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ── Signals ──────────────────────────────────────────────────── */
.signals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.signal-card:hover {
  border-color: var(--border-teal);
  transform: translateY(-3px);
}

.signal-card-featured {
  background: linear-gradient(160deg, rgba(0,196,204,0.09) 0%, var(--bg-card) 60%);
  border-color: var(--border-teal);
  box-shadow: 0 0 48px rgba(0,196,204,0.12);
}

.signal-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--teal-dim);
  border: 1px solid var(--border-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  margin-bottom: 24px;
}

.signal-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text1);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.signal-body {
  font-size: 16px;
  color: var(--text2);
  line-height: 1.65;
}

.signal-tag {
  display: inline-block;
  margin-top: 24px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid var(--border-teal);
  padding: 5px 14px;
  border-radius: 100px;
}

/* ── Voice section ────────────────────────────────────────────── */
.section-voice { background: var(--bg); }

.voice-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.voice-body {
  font-size: 18px;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 40px;
}

.voice-layers {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.voice-layer {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.voice-layer-num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--teal);
  min-width: 28px;
  padding-top: 3px;
}

.voice-layer-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text1);
  margin-bottom: 6px;
}

.voice-layer-desc {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.6;
}

.voice-card-demo {
  background: var(--bg-card);
  border: 1px solid var(--border-teal);
  border-radius: var(--radius-lg);
  padding: 28px;
  font-size: 14px;
  box-shadow: 0 0 48px rgba(0,196,204,0.1);
}

.vcd-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.vcd-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.vcd-dot.red    { background: #F87171; }
.vcd-dot.amber  { background: #FBBF24; }
.vcd-dot.green  { background: #34D399; }

.vcd-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-left: 6px;
}

.vcd-rule { margin-bottom: 18px; }

.vcd-rule-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}

.vcd-chip {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text2);
  margin: 0 6px 6px 0;
}

.vcd-chip-teal {
  background: var(--teal-dim);
  border-color: var(--border-teal);
  color: var(--teal);
}

.vcd-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #34D399;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  padding: 6px 14px;
  border-radius: 6px;
}
.vcd-status::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #34D399;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Benefits ─────────────────────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
}

.benefit-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 28px 24px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.benefit-item:hover { background: rgba(255,255,255,0.03); }

.benefit-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--teal-dim);
  border: 1px solid var(--border-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}

.benefit-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text1);
  margin-bottom: 8px;
  line-height: 1.3;
}

.benefit-desc {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.6;
}

/* ── Social ───────────────────────────────────────────────────── */
.social-sub {
  font-size: 17px;
  color: var(--text2);
  margin-bottom: 44px;
  max-width: 580px;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.social-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.social-card:hover {
  border-color: var(--border-teal);
  transform: translateY(-3px);
}

.social-platform {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text1);
  margin-bottom: 16px;
}

.social-card-body {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 20px;
}

.social-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #34D399;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  padding: 5px 12px;
  border-radius: 100px;
}
.social-live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #34D399;
  animation: pulse 2s infinite;
}

.social-roadmap {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text3);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 5px 12px;
  border-radius: 100px;
}

/* ── Compounding close ────────────────────────────────────────── */
.section-compound {
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.compound-inner {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.compound-quote {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text1);
  margin-bottom: 44px;
}

.compound-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cf-item {
  padding: 12px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text2);
}

.cf-item-highlight {
  border-color: var(--border-teal);
  color: var(--teal);
  background: var(--teal-dim);
}

.cf-arrow {
  font-size: 20px;
  color: var(--text3);
}

/* ── Final CTA ────────────────────────────────────────────────── */
.section-cta {
  background: var(--bg);
  text-align: center;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text1);
  margin-bottom: 20px;
}

.cta-sub {
  font-size: 17px;
  color: var(--text2);
  margin-bottom: 36px;
  line-height: 1.55;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Footer ───────────────────────────────────────────────────── */
.footer {
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo-img {
  height: 30px;
  width: auto;
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-link {
  font-size: 15px;
  color: var(--text2);
  font-weight: 500;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--text1); }

.footer-copy {
  font-size: 13px;
  color: var(--text3);
}

/* ── Fade-in animations ───────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .signals-grid { grid-template-columns: 1fr; max-width: 600px; }
  .social-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-inner { grid-template-columns: 1fr; gap: 48px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .loop-visual { width: 380px; height: 380px; }
  .loop-ring-1 { width: 220px; height: 220px; }
  .loop-ring-2 { width: 340px; height: 340px; }
  .loop-node-r { --r: 158px; }
}

@media (max-width: 768px) {
  :root { --section-py: 72px; }
  body { font-size: 16px; }
  .container { padding: 0 24px; }
  .nav-inner { padding: 16px 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { padding: 16px 24px 24px; }
  .how-grid { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .loop-visual { width: 300px; height: 300px; }
  .loop-ring-1 { width: 170px; height: 170px; }
  .loop-ring-2 { width: 270px; height: 270px; }
  .loop-node-r { --r: 124px; }
  .loop-icon-img { width: 72px; height: 72px; }
  .compound-flow { gap: 8px; }
  .cf-arrow { font-size: 14px; }
}