/* Allaix common top/navigation. Single source for home and all subpages. */
:root {
  --nav-px: max(56px, calc((100vw - 1280px) / 2));
}

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100000;
  background: var(--magenta); color: var(--canvas);
  font-family: var(--f-body); font-size: 14px; font-weight: 700;
  text-decoration: none; padding: 10px 16px; border-radius: 9999px;
  transform: translateY(-140%); transition: transform .2s cubic-bezier(0,0,.2,1);
}
.skip-link:focus-visible { transform: translateY(0); outline: 2px solid var(--canvas); outline-offset: 3px; }

#cursor-blob {
  position: fixed; width: 80px; height: 80px;
  border-radius: 50%; pointer-events: none; z-index: 99999;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 40% 40%,
    oklch(62% 0.23 261 / 0.55),
    oklch(62% 0.28 358 / 0.42),
    transparent 70%);
  filter: blur(18px);
  transition: width .6s cubic-bezier(0.16,1,0.3,1),
              height .6s cubic-bezier(0.16,1,0.3,1),
              opacity .4s,
              filter .6s cubic-bezier(0.16,1,0.3,1);
  opacity: 0; will-change: transform;
  display: flex; align-items: center; justify-content: center;
}
body.cursor-ready #cursor-blob { opacity: 1; }
body.hovered #cursor-blob { width: 140px; height: 140px; filter: blur(28px); }
#cursor-blob .blob-label {
  font-family: var(--f-body);
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--canvas); opacity: 0; pointer-events: none;
  white-space: nowrap; transition: opacity .25s;
}
body.cursor-label #cursor-blob {
  width: 72px; height: 72px; filter: blur(0);
  background: var(--ink);
  transition: width .3s cubic-bezier(0.16,1,0.3,1),
              height .3s cubic-bezier(0.16,1,0.3,1),
              opacity .4s, filter .3s cubic-bezier(0.16,1,0.3,1),
              background .3s;
}
body.cursor-label #cursor-blob .blob-label { opacity: 1; }

#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 28px var(--nav-px);
  display: flex; align-items: center; justify-content: space-between;
  transition: background .4s, padding .3s, border-color .4s;
  border-bottom: 1px solid transparent;
  background: transparent;
  backdrop-filter: none;
}
#nav.solid {
  background: oklch(98% 0.005 278 / 0.95);
  backdrop-filter: blur(16px);
  padding: 16px var(--nav-px);
  border-bottom-color: var(--rule);
}

.nav-logo { text-decoration: none; display: flex; align-items: center; }
.nav-logo-img { height: 38px; width: auto; }
.nav-logo .logo-img-white { display: none; }
.nav-logo .logo-img-dark { display: block; }

.nav-links { display: flex; gap: 36px; list-style: none; align-items: center; }
.nav-links a {
  font-family: var(--f-body); font-size: 15px; font-weight: 500;
  text-decoration: none; color: var(--dim, oklch(42% 0.008 278));
  transition: color .2s, background .2s, opacity .2s;
  min-height: auto;
}
.nav-links a:hover { color: var(--ink); }
#nav.solid .nav-links a { color: var(--dim, oklch(42% 0.008 278)); }
#nav.solid .nav-links a:hover { color: var(--ink); }
.nav-links .nav-cta,
#nav.solid .nav-links .nav-cta {
  background: var(--ink); color: var(--canvas);
  padding: 10px 22px; border-radius: 9999px; font-weight: 600;
}
.nav-links .nav-cta:hover,
.nav-links .nav-cta:active,
.nav-links .nav-cta:focus-visible,
#nav.solid .nav-links .nav-cta:hover,
#nav.solid .nav-links .nav-cta:active,
#nav.solid .nav-links .nav-cta:focus-visible {
  background: oklch(22% 0.025 278);
  color: var(--canvas);
  opacity: 1;
}

#nav.nav-system-field,
#nav.nav-system-field.solid {
  padding: 18px var(--nav-px);
  background:
    linear-gradient(90deg, oklch(96% 0.025 128 / 0.425), transparent 42%),
    oklch(98% 0.005 278 / 0.95);
  border-bottom-color: oklch(9% 0.012 278 / 0.08);
  backdrop-filter: blur(16px);
}

#nav.nav-system-field .nav-links {
  gap: 10px;
  padding: 5px;
  border-radius: 9999px;
  background: oklch(9% 0.012 278 / 0.045);
}

#nav.nav-system-field .nav-links a {
  display: block;
  padding: 8px 14px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
}

#nav.nav-system-field .nav-links a:hover {
  background: oklch(9% 0.012 278 / 0.08);
  color: var(--ink);
}

#nav.nav-system-field .nav-links .nav-cta,
#nav.nav-system-field.solid .nav-links .nav-cta {
  background: var(--ink);
  color: var(--canvas);
}

#nav.nav-system-field .nav-links .nav-cta:hover,
#nav.nav-system-field.solid .nav-links .nav-cta:hover,
#nav.nav-system-field .nav-links .nav-cta:active,
#nav.nav-system-field.solid .nav-links .nav-cta:active,
#nav.nav-system-field .nav-links .nav-cta:focus-visible,
#nav.nav-system-field.solid .nav-links .nav-cta:focus-visible {
  background: oklch(22% 0.025 278);
  color: var(--canvas);
}

.nav-burger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; cursor: pointer; padding: 8px; margin: -8px;
  background: none; border: none; z-index: 1001;
}
.nav-burger span {
  display: block; width: 24px; height: 2px; background: var(--ink);
  transition: transform .35s cubic-bezier(0.16,1,0.3,1), opacity .25s;
  transform-origin: center;
}
#nav.menu-open .nav-burger span { background: var(--canvas); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: var(--navy);
  display: flex; flex-direction: column;
  padding: 120px 40px 56px;
  transform: translateX(100%);
  transition: transform .5s cubic-bezier(0.16,1,0.3,1);
  overflow-y: auto; visibility: hidden; pointer-events: none;
}
.mobile-menu.open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.mobile-menu ul li { overflow: hidden; }
.m-link {
  font-family: var(--f-display); font-size: clamp(40px, 12vw, 56px);
  font-weight: 700; letter-spacing: -2px;
  color: oklch(98% 0.005 278 / 0.85); text-decoration: none;
  display: block; padding: 10px 0;
  transform: translateY(100%);
  transition: transform .5s cubic-bezier(0.16,1,0.3,1), color .2s;
}
.mobile-menu.open .m-link { transform: translateY(0); }
.mobile-menu.open li:nth-child(1) .m-link { transition-delay: .05s; }
.mobile-menu.open li:nth-child(2) .m-link { transition-delay: .10s; }
.mobile-menu.open li:nth-child(3) .m-link { transition-delay: .15s; }
.mobile-menu.open li:nth-child(4) .m-link { transition-delay: .20s; }
.mobile-menu.open li:nth-child(5) .m-link { transition-delay: .25s; }
.m-link:hover { color: var(--canvas); }
.m-rule { height: 1px; background: oklch(98% 0.005 278 / 0.07); margin: 32px 0; }
.m-cta-wrap {
  transform: translateY(20px); opacity: 0;
  transition: transform .5s .3s cubic-bezier(0.16,1,0.3,1), opacity .4s .3s;
}
.mobile-menu.open .m-cta-wrap { transform: translateY(0); opacity: 1; }
.m-cta {
  display: inline-block; background: var(--magenta); color: var(--canvas);
  font-family: var(--f-body); font-size: 16px; font-weight: 600;
  text-decoration: none; padding: 16px 36px; border-radius: 9999px;
}
.m-email {
  display: block; margin-top: 20px;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 1px;
  color: oklch(98% 0.005 278 / 0.3); text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  #cursor-blob { display: none; }
  .mobile-menu { transition: none; }
  .m-link { transition: none; transform: none; }
  .m-cta-wrap { transition: none; transform: none; opacity: 1; }
}

@media (max-width: 960px) {
  #nav { padding: 20px 24px; }
  #nav.solid { padding: 14px 24px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  #nav.menu-open { background: var(--navy); border-bottom-color: transparent; }
}