/* ====================================================
   AxonStellar — Cosmos Homepage
   High-end cosmic interface design
   ==================================================== */

:root {
  --bg-deep: #04010f;
  --bg-deeper: #02000a;
  --ink: #e6e9ff;
  --ink-dim: #a3a7c9;
  --ink-mute: #6b6f8f;
  --violet: #c084ff;
  --violet-deep: #7a3dff;
  --cyan: #4cc6ff;
  --cyan-deep: #0a78ff;
  --gold: #ffd380;
  --mint: #7df0c0;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --glass: rgba(255,255,255,0.04);
  --glass-strong: rgba(255,255,255,0.08);
  --shadow-glow: 0 0 60px rgba(192,132,255,0.25);
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --maxw: 1280px;
  --pad: clamp(20px, 4vw, 64px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg-deep);
  color: var(--ink);
  line-height: 1.6;
  font-weight: 300;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============== COSMIC BACKGROUND ============== */
.cosmos-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.nebula-layer {
  position: absolute;
  inset: -10%;
  background-image: url("/assets/canvas_screenshot.png");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) brightness(0.55) contrast(1.1);
  opacity: 0.85;
  transform: scale(1.05);
  animation: nebula-drift 60s ease-in-out infinite alternate;
}
@keyframes nebula-drift {
  0% { transform: scale(1.05) translate(0,0); }
  100% { transform: scale(1.12) translate(-2%, -1%); }
}
#starfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: screen;
}
.vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, transparent 0%, rgba(4,1,15,0.4) 60%, rgba(4,1,15,0.95) 100%),
    linear-gradient(180deg, rgba(4,1,15,0.3) 0%, rgba(4,1,15,0.7) 100%);
  pointer-events: none;
}

/* ============== NAVIGATION ============== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px var(--pad);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: linear-gradient(180deg, rgba(4,1,15,0.65) 0%, rgba(4,1,15,0.25) 100%);
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s ease, background 0.3s ease;
}
.nav.scrolled { padding: 14px var(--pad); background: rgba(4,1,15,0.85); }
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: 16px;
}
.brand-mark {
  display: inline-flex;
  filter: drop-shadow(0 0 10px rgba(192,132,255,0.6));
  animation: orb-pulse 4s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%,100% { filter: drop-shadow(0 0 10px rgba(192,132,255,0.6)); transform: scale(1); }
  50% { filter: drop-shadow(0 0 18px rgba(76,198,255,0.7)); transform: scale(1.05); }
}
.brand-text {
  background: linear-gradient(120deg, #fff 0%, #c084ff 50%, #4cc6ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-weight: 400;
  transition: color 0.2s, text-shadow 0.2s;
}
.nav-links a:hover { color: var(--ink); text-shadow: 0 0 12px rgba(192,132,255,0.5); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.2,0.8,0.2,1);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, #c084ff 0%, #4cc6ff 100%);
  color: #0a0118;
  font-weight: 600;
  box-shadow: 0 8px 28px rgba(192,132,255,0.32), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(192,132,255,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { background: var(--glass); border-color: var(--line-strong); }
.btn-outline {
  background: var(--glass);
  color: var(--ink);
  border-color: var(--line-strong);
  backdrop-filter: blur(10px);
}
.btn-outline:hover { background: var(--glass-strong); border-color: rgba(192,132,255,0.4); }
.btn-lg { padding: 16px 28px; font-size: 14px; }

/* ============== HERO ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px var(--pad) 80px;
}
.hero-inner {
  max-width: 980px;
  width: 100%;
  text-align: center;
  z-index: 2;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--glass);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.pulse-dot {
  width: 6px; height: 6px;
  background: #7df0c0;
  border-radius: 50%;
  box-shadow: 0 0 12px #7df0c0;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}
.hero-title .line { display: block; }
.hero-title .italic {
  font-style: italic;
  background: linear-gradient(110deg, #c084ff 0%, #4cc6ff 60%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 300;
}
.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-dim);
  max-width: 680px;
  margin: 0 auto 44px;
  line-height: 1.55;
  font-weight: 300;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 88px;
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  max-width: 760px;
  margin: 0 auto;
  backdrop-filter: blur(10px);
}
.metric {
  padding: 28px 20px;
  background: rgba(4,1,15,0.5);
  text-align: center;
}
.m-value {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff 0%, #c084ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.m-value .unit {
  font-family: var(--sans);
  font-size: 0.5em;
  font-weight: 400;
  color: var(--ink-dim);
  -webkit-text-fill-color: var(--ink-dim);
}
.m-label {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--ink-mute) 0%, transparent 100%);
  animation: scroll-pulse 2.5s infinite;
}
@keyframes scroll-pulse {
  0%,100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============== SECTIONS ============== */
.section {
  position: relative;
  padding: 120px var(--pad);
  max-width: var(--maxw);
  margin: 0 auto;
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 72px;
}
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-lead {
  font-size: 18px;
  color: var(--ink-dim);
  font-weight: 300;
}

/* ============== PLATFORM FEATURE GRID ============== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.feature-card {
  padding: 40px 32px;
  background: rgba(4,1,15,0.55);
  transition: background 0.3s;
  position: relative;
}
.feature-card:hover { background: rgba(20,8,40,0.7); }
.feature-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  font-size: 14.5px;
  color: var(--ink-dim);
  line-height: 1.6;
}
.f-glyph {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--g1), var(--g2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--g1) 30%, transparent);
}
.f-glyph svg { width: 24px; height: 24px; }

/* ============== CONSTELLATIONS / SHOWCASE ============== */
.showcase {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.showcase-text h3 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.015em;
}
.showcase-text p {
  color: var(--ink-dim);
  font-size: 17px;
  margin-bottom: 28px;
  line-height: 1.65;
}
.showcase-text em {
  color: var(--violet);
  font-style: italic;
  font-family: var(--serif);
}
.check-list {
  list-style: none;
  margin-bottom: 36px;
}
.check-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.check-list li:last-child { border-bottom: none; }
.c-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #c084ff, #4cc6ff);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(192,132,255,0.4);
}
.c-check::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 6px; height: 3px;
  border-left: 1.5px solid #0a0118;
  border-bottom: 1.5px solid #0a0118;
  transform: translate(-50%, -65%) rotate(-45deg);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--violet);
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: gap 0.2s, border-color 0.2s;
}
.link-arrow:hover { gap: 14px; border-color: var(--violet); }

/* Orbital visual */
.showcase-visual {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orbits {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
}
.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  animation: orbit-spin var(--dur, 30s) linear infinite;
}
.orbit::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 0%, rgba(192,132,255,0.18) 0%, transparent 30%);
}
.o-1 { inset: 0%; --dur: 28s; }
.o-2 { inset: 14%; --dur: 22s; animation-direction: reverse; }
.o-3 { inset: 28%; --dur: 18s; }
.o-4 { inset: 42%; --dur: 14s; animation-direction: reverse; }
@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}
.node {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff, var(--violet));
  box-shadow: 0 0 16px var(--violet), 0 0 32px rgba(192,132,255,0.5);
}
.n-2 { background: radial-gradient(circle, #fff, var(--cyan)); box-shadow: 0 0 16px var(--cyan), 0 0 32px rgba(76,198,255,0.5); }
.n-3 { background: radial-gradient(circle, #fff, var(--mint)); box-shadow: 0 0 16px var(--mint), 0 0 32px rgba(125,240,192,0.5); }
.n-4 { background: radial-gradient(circle, #fff, var(--gold)); box-shadow: 0 0 16px var(--gold), 0 0 32px rgba(255,211,128,0.5); }
.core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 22%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--violet) 30%, var(--violet-deep) 60%, transparent 100%);
  box-shadow: 0 0 60px rgba(192,132,255,0.6), 0 0 120px rgba(76,198,255,0.3);
  animation: core-pulse 4s ease-in-out infinite;
}
@keyframes core-pulse {
  0%,100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.1); }
}

/* ============== RESEARCH / QUOTE ============== */
.quote-block {
  max-width: 880px;
  margin: 0 auto 80px;
  text-align: center;
  padding: 56px 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.quote-block::before, .quote-block::after {
  content: "C";
  font-family: var(--serif);
  font-size: 120px;
  position: absolute;
  color: var(--violet);
  opacity: 0.2;
  line-height: 1;
}
.quote-block::before { top: 20px; left: 20px; }
.quote-block::after { content: "D"; bottom: -40px; right: 20px; }
.quote-block blockquote {
  font-family: var(--serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.quote-block blockquote em { color: var(--violet); }
.quote-block cite {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cite-name {
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.cite-role {
  font-size: 13px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  text-align: center;
}
.stat .s-val {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 400;
  background: linear-gradient(120deg, #fff 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat .s-lab {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============== CTA ============== */
.section-cta { padding: 80px var(--pad) 120px; }
.cta-card {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px clamp(28px, 6vw, 72px);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(192,132,255,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(76,198,255,0.12) 0%, transparent 50%),
    rgba(10,4,30,0.6);
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  text-align: center;
  backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}
.cta-text h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  background: linear-gradient(120deg, #fff 0%, #c084ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-text p {
  color: var(--ink-dim);
  font-size: 17px;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.cta-form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.cta-form input:focus {
  border-color: var(--violet);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 4px rgba(192,132,255,0.12);
}
.cta-form input::placeholder { color: var(--ink-mute); }
.cta-msg {
  margin-top: 20px;
  font-size: 13px;
  color: var(--mint);
  min-height: 18px;
  font-family: var(--mono);
}

/* ============== FOOTER ============== */
.footer {
  border-top: 1px solid var(--line);
  padding: 80px var(--pad) 32px;
  background: linear-gradient(180deg, transparent 0%, rgba(2,0,8,0.6) 100%);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-name {
  font-weight: 500;
  letter-spacing: 0.04em;
  background: linear-gradient(120deg, #fff 0%, #c084ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.footer-tag {
  font-size: 12.5px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.f-col { display: flex; flex-direction: column; gap: 12px; }
.f-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 8px;
}
.f-col a {
  font-size: 14px;
  color: var(--ink-dim);
  transition: color 0.2s;
}
.f-col a:hover { color: var(--ink); }
.footer-bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-status .status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 10px var(--mint);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-actions .btn-ghost { display: none; }
  .showcase { grid-template-columns: 1fr; gap: 50px; }
  .showcase-visual { max-width: 380px; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metrics .metric { border-bottom: 1px solid var(--line); }
  .hero-metrics .metric:last-child { border-bottom: none; }
}
@media (max-width: 520px) {
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 110px; padding-bottom: 60px; }
  .section { padding: 80px var(--pad); }
}

/* ============== SCROLL APPEAR ============== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s cubic-bezier(0.2,0.8,0.2,1), transform 0.9s cubic-bezier(0.2,0.8,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}