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

:root {
  --bg:          #000000;
  --s1:          #1c1c1e;
  --s2:          #2c2c2e;
  --s3:          #3a3a3c;
  --s4:          #48484a;
  --t1:          #f5f5f7;
  --t2:          #a1a1a6;
  --t3:          #6e6e73;
  --t4:          #3a3a3c;
  --border:      rgba(255,255,255,0.1);
  --border-soft: rgba(255,255,255,0.05);
  --blue:        #0071e3;
  --purple:      #bf5af2;
  --green:       #30d158;
  --sans:  'Geist', -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
  --mono:  'Geist Mono', ui-monospace, 'SF Mono', monospace;
  --spring: cubic-bezier(0.32, 0.72, 0, 1);
  --ease:   cubic-bezier(0.23, 1, 0.32, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
  font-size: 17px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ─── Skip link ─── */
.skip-link {
  position: absolute;
  top: -9999px;
  left: 16px;
  z-index: 9999;
  background: var(--t1);
  color: var(--bg);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
}
.skip-link:focus { top: 16px; }

/* ─── Ambient glow ─── */
.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 15% 5%,  rgba(191,90,242,0.07)  0%, transparent 60%),
    radial-gradient(ellipse 70% 55% at 88% 90%, rgba(191,90,242,0.13)  0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 10%, rgba(191,90,242,0.06)  0%, transparent 65%),
    radial-gradient(ellipse 40% 30% at 40% 55%, rgba(140,60,220,0.045) 0%, transparent 60%);
}

/* ─── Grain overlay ─── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  opacity: 0.06;
  background-color: rgba(120, 40, 200, 0.04);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23f)'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  mix-blend-mode: screen;
}

/* ─── Floating Nav Pill ─── */
nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 6px 0 18px;
  background: rgba(20, 20, 22, 0.86);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 44px;
  white-space: nowrap;
  box-shadow:
    0 4px 32px rgba(0,0,0,0.5),
    inset 0 1px 0 rgba(255,255,255,0.04);
}

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--t1);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-sep {
  width: 1px;
  height: 16px;
  background: rgba(255,255,255,0.12);
  margin: 0 10px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--t2);
  text-decoration: none;
  padding: 5px 11px;
  border-radius: 44px;
  transition: color 200ms var(--ease), background 200ms var(--ease);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--t1);
  background: rgba(255,255,255,0.08);
}
.nav-links a:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
  border-radius: 44px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #000;
  background: var(--t1);
  text-decoration: none;
  padding: 6px 16px;
  border-radius: 44px;
  margin-left: 8px;
  flex-shrink: 0;
  transition: opacity 200ms var(--ease), transform 150ms var(--ease);
}
.nav-cta:hover { opacity: 0.86; }
.nav-cta.active { background: #e0e0e5; }
.nav-cta:focus-visible { outline: 2px solid var(--purple); outline-offset: 2px; }

/* ─── Hamburger ─── */
.nav-mobile-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: none;
  cursor: pointer;
  color: var(--t1);
  margin-left: 8px;
  flex-shrink: 0;
  transition: background 200ms var(--ease);
}
.nav-mobile-btn:hover { background: rgba(255,255,255,0.14); }

/* ─── Mobile overlay ─── */
.nav-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0,0,0,0.94);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms var(--spring), visibility 0ms 320ms;
}
.nav-mobile-menu.open {
  opacity: 1;
  visibility: visible;
  transition: opacity 320ms var(--spring), visibility 0ms 0ms;
}

.nav-mobile-menu a {
  font-size: clamp(38px, 10vw, 60px);
  font-weight: 300;
  letter-spacing: -0.04em;
  color: var(--t2);
  text-decoration: none;
  padding: 14px 0;
  width: 100%;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  opacity: 0;
  transform: translateY(20px);
  transition: color 200ms var(--ease),
              opacity 400ms var(--spring),
              transform 400ms var(--spring);
}
.nav-mobile-menu a:last-child { border-bottom: none; }
.nav-mobile-menu a:hover,
.nav-mobile-menu a.active { color: var(--t1); }

.nav-mobile-menu.open a:nth-child(1) { opacity:1; transform:none; transition-delay: 50ms; }
.nav-mobile-menu.open a:nth-child(2) { opacity:1; transform:none; transition-delay: 100ms; }
.nav-mobile-menu.open a:nth-child(3) { opacity:1; transform:none; transition-delay: 150ms; }
.nav-mobile-menu.open a:nth-child(4) { opacity:1; transform:none; transition-delay: 200ms; }

/* ─── Layout ─── */
main { position: relative; z-index: 1; flex: 1; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 100px 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.page-hero {
  padding: 152px 32px 72px;
  max-width: 1000px;
  margin: 0 auto;
}

/* ─── Typography ─── */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--t3);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid rgba(191,90,242,0.14);
  border-radius: 44px;
  padding: 5px 14px;
  margin-bottom: 28px;
}

.section-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t4);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: '';
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, rgba(191,90,242,0.55), transparent);
  display: block;
}

.page-title {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--t1);
  text-wrap: balance;
}
.page-title .dim { color: var(--t3); }

.page-sub {
  margin-top: 20px;
  max-width: 440px;
  color: var(--t2);
  font-size: 19px;
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--t1);
  color: #000;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 11px 22px;
  border-radius: 44px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 200ms var(--ease), transform 150ms var(--ease);
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; }

.btn-icon {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 300ms var(--spring);
}
.btn-primary:hover .btn-icon { transform: translateX(3px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  color: var(--t1);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 11px 22px;
  border-radius: 44px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer;
  transition: background 200ms var(--ease), border-color 200ms var(--ease), transform 150ms var(--ease);
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.18); }
.btn-secondary:active { transform: scale(0.97); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(191,90,242,0.72);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
  text-shadow: 0 0 12px rgba(191,90,242,0.55), 0 0 28px rgba(191,90,242,0.22);
  transition: color 200ms var(--ease), text-shadow 200ms var(--ease), transform 150ms var(--ease);
}
.btn-ghost:hover {
  color: rgba(191,90,242,0.96);
  text-shadow: 0 0 10px rgba(191,90,242,0.8), 0 0 30px rgba(191,90,242,0.45), 0 0 60px rgba(191,90,242,0.18);
  transform: translateX(1px);
}

/* ─── Tags ─── */
.tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 3px 10px;
  border-radius: 44px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--t3);
  border: 1px solid rgba(255,255,255,0.07);
}

/* ─── Double-bezel card (glass) ─── */
.card-shell {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.5px;
  position: relative;
  overflow: hidden;
  transition: border-color 400ms var(--spring), box-shadow 400ms var(--spring);
}
.card-shell:hover {
  border-color: rgba(191,90,242,0.28);
  box-shadow: 0 0 0 1px rgba(191,90,242,0.06),
              0 12px 48px rgba(0,0,0,0.5);
}

/* Spotlight follow-cursor glow */
.card-shell::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    380px circle at var(--mx, -500px) var(--my, -500px),
    rgba(191,90,242,0.09),
    transparent 40%
  );
  pointer-events: none;
  z-index: 2;
}

.card-core {
  background: rgba(22, 22, 24, 0.72);
  border-radius: calc(24px - 1.5px);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.07);
}

/* ─── Footer ─── */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-left {
  font-size: 12px;
  color: var(--t3);
  letter-spacing: -0.005em;
}

.footer-right { display: flex; gap: 20px; }

.footer-right a {
  font-size: 12px;
  color: var(--t3);
  text-decoration: none;
  letter-spacing: -0.005em;
  transition: color 160ms var(--ease);
}
.footer-right a:hover { color: var(--t2); }

/* ─── Page-load entrance animations ─── */
@keyframes navIn {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to   { opacity: 1; transform: translateX(-50%); }
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(16px); filter: blur(4px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0);   }
}

nav {
  animation: navIn 500ms var(--spring) 0ms both;
}

.page-hero .eyebrow-pill {
  animation: heroIn 650ms var(--spring) 60ms both;
}

.page-hero .page-title {
  animation: heroIn 700ms var(--spring) 120ms both;
}

.page-hero .page-sub {
  animation: heroIn 650ms var(--spring) 200ms both;
}

/* ─── Scroll animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(4px);
  transition: opacity 760ms var(--spring),
              transform 760ms var(--spring),
              filter 760ms var(--spring);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(14px);
  filter: blur(3px);
  transition: opacity 600ms var(--spring),
              transform 600ms var(--spring),
              filter 600ms var(--spring);
}
.stagger.visible > * { opacity:1; transform:translateY(0); filter:blur(0); }
.stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger.visible > *:nth-child(5) { transition-delay: 320ms; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  nav { top: 12px; padding: 0 6px 0 14px; }
  .nav-links { display: none; }
  .nav-sep { display: none; }
  .nav-cta { display: none; }
  .nav-mobile-btn { display: flex; }

  section { padding: 80px 20px; }
  .page-hero { padding: 120px 20px 60px; }
  .page-sub { font-size: 17px; }
  footer { padding: 22px 20px; flex-direction: column; gap: 10px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .stagger > * { opacity:1; transform:none; filter:none; transition:none; }
  nav, .page-hero .eyebrow-pill, .page-hero .page-title, .page-hero .page-sub { animation: none; }
  .nav-mobile-menu { transition: opacity 120ms ease, visibility 0ms 120ms; }
  .nav-mobile-menu.open { transition: opacity 120ms ease, visibility 0ms 0ms; }
  .nav-mobile-menu a { transition: color 120ms ease; opacity:1; transform:none; }
}