:root {
  --bg-dark: #03030a;
  --text-on-dark: #f0ede8;
  --muted: #9aa3c7;
  --cyan: #38f0ff;
  --magenta: #ff5cf0;
  --gold: #ffc36b;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body { position: relative; }

/* ---------- Loader ---------- */
#loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  transition: opacity 0.8s ease;
}
#loader.hidden { opacity: 0; pointer-events: none; }
.loader-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.3em;
  background: linear-gradient(100deg, var(--cyan), #b98cff, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
#loader-track {
  width: min(280px, 60vw);
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
}
#loader-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  transition: width 0.2s ease;
}
#loader-percent {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--muted);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 40;
  padding: 22px clamp(20px, 4vw, 46px);
  pointer-events: none;
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  pointer-events: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  color: var(--text-on-dark);
  text-decoration: none;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
}
.logo span { color: var(--cyan); }
.nav-cta {
  pointer-events: auto;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--text-on-dark);
  text-decoration: none;
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.nav-cta:hover {
  border-color: var(--cyan);
  background: rgba(56, 240, 255, 0.1);
}

/* ---------- Canvas ---------- */
.canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: var(--bg-dark);
}
#canvas { display: block; width: 100%; height: 100%; }

/* Cinematic vignette + readability scrims: darkens the left/right zones where
   copy sits and the top/bottom edges, while keeping the bright center (galaxy
   core / Earth) visible. Guarantees the overlaid text stays legible over the
   busy full-bleed footage without any card. */
.canvas-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right,
      rgba(3, 3, 10, 0.78) 0%,
      rgba(3, 3, 10, 0.30) 24%,
      rgba(3, 3, 10, 0) 42%,
      rgba(3, 3, 10, 0) 58%,
      rgba(3, 3, 10, 0.30) 76%,
      rgba(3, 3, 10, 0.78) 100%),
    linear-gradient(to bottom,
      rgba(3, 3, 10, 0.7) 0%,
      rgba(3, 3, 10, 0) 24%,
      rgba(3, 3, 10, 0) 74%,
      rgba(3, 3, 10, 0.92) 100%),
    radial-gradient(135% 105% at 50% 48%,
      rgba(3, 3, 10, 0) 46%,
      rgba(3, 3, 10, 0.55) 100%);
}

/* ---------- Hero overlay ---------- */
#hero-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: flex-end;
  padding: 0 clamp(20px, 5vw, 70px) clamp(70px, 12vh, 130px);
  pointer-events: none;
}
.hero-inner { max-width: 60vw; }
.hero-brand {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-size: clamp(0.65rem, 1.4vw, 0.82rem);
  color: var(--cyan);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeInSoft 0.9s ease forwards;
  animation-delay: 0.15s;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}
.hero-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 12vw, 12rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.85), 0 0 70px rgba(0, 0, 0, 0.6);
}
.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(60px);
  animation: wordUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-word:nth-child(1) { animation-delay: 0.30s; }
.hero-word:nth-child(2) { animation-delay: 0.43s; color: var(--cyan); }
.hero-word:nth-child(3) { animation-delay: 0.56s; }
.hero-word:nth-child(4) { animation-delay: 0.69s; }
.hero-word:nth-child(5) { animation-delay: 0.82s; color: var(--magenta); }
.hero-tagline {
  margin-top: 1.4rem;
  max-width: 30ch;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  font-weight: 300;
  color: var(--text-on-dark);
  opacity: 0;
  animation: fadeInSoft 1s ease forwards;
  animation-delay: 1.1s;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.85);
}
.scroll-indicator {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeInSoft 1s ease forwards;
  animation-delay: 1.35s;
}
.scroll-indicator .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: bob 1.6s ease-in-out infinite;
}

@keyframes wordUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInSoft { to { opacity: 1; } }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ---------- Dark overlay (stats) ---------- */
#dark-overlay {
  position: fixed;
  inset: 0;
  z-index: 5;
  background: #03030a;
  opacity: 0;
  pointer-events: none;
}

/* ---------- Scroll container + sections ---------- */
#scroll-container {
  position: relative;
  z-index: 10;
  height: 800vh;
}
.scroll-section {
  position: fixed;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  opacity: 0;
  will-change: opacity;
  z-index: 10;
}
.section-inner { max-width: 40vw; }

.align-left { left: 0; padding-left: 5vw; padding-right: 55vw; }
.align-right { left: 0; padding-left: 55vw; padding-right: 5vw; text-align: right; }
.align-right .section-inner { margin-left: auto; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--cyan);
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.8);
}
.section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.5vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.85), 0 0 60px rgba(0, 0, 0, 0.5);
}
.section-body {
  margin-top: 1.4rem;
  max-width: 42ch;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 300;
  line-height: 1.55;
  color: #cfd3e6;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.85);
}
.align-right .section-body { margin-left: auto; }

/* ---------- Stats ---------- */
.section-stats {
  display: flex;
  justify-content: center;
  text-align: center;
}
.stats-grid {
  display: flex;
  gap: clamp(2rem, 7vw, 6rem);
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 9vw, 7rem);
  line-height: 1;
  background: linear-gradient(100deg, var(--cyan), #b98cff, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-suffix {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  color: var(--gold);
  margin-top: -0.4rem;
}
.stat-label {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  max-width: 18ch;
}

/* ---------- CTA ---------- */
.cta-heading {
  background: linear-gradient(100deg, #ffffff, var(--cyan) 60%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 2rem;
  padding: 1rem 2.1rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 240, 255, 0.5);
  background: linear-gradient(100deg, rgba(56, 240, 255, 0.16), rgba(255, 92, 240, 0.16));
  color: var(--text-on-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 2vw, 1.15rem);
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.cta-button svg { width: 20px; height: 20px; }
.cta-button:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 92, 240, 0.8);
  box-shadow: 0 12px 48px rgba(56, 240, 255, 0.28), 0 0 60px rgba(255, 92, 240, 0.22);
}

/* ---------- Watermark ---------- */
.watermark {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: rgba(240, 237, 232, 0.72);
  pointer-events: none;
  user-select: none;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.7);
}
.wm-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--cyan), var(--magenta));
  box-shadow: 0 0 12px rgba(56, 240, 255, 0.8);
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  #scroll-container { height: 560vh; }
  .align-left, .align-right {
    padding-left: 7vw;
    padding-right: 7vw;
    text-align: left;
  }
  .align-right { text-align: left; }
  .section-inner { max-width: 86vw; }
  .align-right .section-inner { margin-left: 0; }
  .align-right .section-body { margin-left: 0; }
  .hero-inner { max-width: 90vw; }
  .stats-grid { gap: 2.4rem; }
  .nav-cta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-word, .hero-brand, .hero-tagline, .scroll-indicator { animation-duration: 0.01ms !important; opacity: 1 !important; transform: none !important; }
  .scroll-indicator .dot { animation: none; }
}