/* Universal floating navbar — shared across pages */

:root {
  --nav-text: #1c1c1c;
  --pill-dark: #28282a;
  --sign-in-text: #c8c8c8;
  --nav-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  --nav-active: #2f6bff;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
}

/* Keep the page scrollbar hidden on every OS/browser; scrolling still works. */
html,
body {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.site-navbar-root {
  font-size: 16px;
  line-height: 1.2;
}

.site-navbar-root a {
  color: inherit;
  text-decoration: none;
}

.site-navbar-root .nav-link {
  color: var(--nav-text);
}

.site-navbar-root .nav-link.is-active {
  color: var(--nav-active);
}

.site-navbar-root .sign-in,
.site-navbar-root .mobile-sign-in {
  color: var(--sign-in-text);
}

.site-navbar-root .mobile-link {
  color: var(--nav-text);
}

.site-navbar-root .mobile-link.is-active {
  color: var(--nav-active);
}

.site-navbar-root button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

body.menu-open {
  overflow: hidden;
}

body.page-exit {
  animation: sitePageExit 0.28s ease forwards;
  pointer-events: none;
}

@keyframes sitePageExit {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.page-exit {
    animation: none !important;
  }
}

.header {
  position: fixed;
  top: clamp(16px, 2.4vh, 28px);
  left: 0;
  right: 0;
  z-index: 115;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 24px);
  width: calc(100% - clamp(28px, 6vw, 64px));
  max-width: 920px;
  margin-inline: auto;
  pointer-events: none;
  animation: siteNavSlideDown 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.header > * {
  pointer-events: auto;
}

.logo-btn {
  flex-shrink: 0;
  width: clamp(40px, 4.4vw, 46px);
  height: clamp(40px, 4.4vw, 46px);
  border-radius: 50%;
  background: rgba(40, 40, 42, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--nav-shadow);
  display: grid;
  place-items: center;
  transition: transform 0.25s ease;
}

.logo-btn img {
  width: 72%;
  height: 72%;
  object-fit: contain;
  display: block;
}

.logo-btn:hover {
  transform: scale(1.04);
}

.nav-pill {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  max-width: 620px;
  height: clamp(44px, 5.2vw, 48px);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow:
    0 4px 18px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.nav-link {
  position: relative;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  color: var(--nav-text);
  opacity: 0.72;
  padding: 8px 6px 14px;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  opacity: 0.9;
}

.nav-link.is-active {
  opacity: 1;
  color: var(--nav-active);
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--nav-active);
  transform: translateX(-50%);
  box-shadow: -5px 0 0 var(--nav-active), 5px 0 0 var(--nav-active);
}

.sign-in {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: clamp(44px, 5.2vw, 48px);
  padding: 0 20px;
  border-radius: 999px;
  background: rgba(40, 40, 42, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--sign-in-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  box-shadow: var(--nav-shadow);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.sign-in:hover {
  background: #323234;
  color: #fff;
  transform: translateY(-1px);
}

.burger {
  display: none;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(40, 40, 42, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--nav-shadow);
  place-items: center;
  position: relative;
  z-index: 2;
}

.burger span {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease;
}

.burger span:nth-child(1) {
  top: 17px;
}

.burger span:nth-child(2) {
  top: 23px;
}

.burger span:nth-child(3) {
  top: 29px;
}

body.menu-open .burger span:nth-child(1) {
  top: 23px;
  transform: translateX(-50%) rotate(45deg);
}

body.menu-open .burger span:nth-child(2) {
  opacity: 0;
}

body.menu-open .burger span:nth-child(3) {
  top: 23px;
  transform: translateX(-50%) rotate(-45deg);
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: siteNavOverlayIn 0.28s ease both;
}

.mobile-menu {
  position: fixed;
  z-index: 120;
  top: clamp(72px, 10vh, 96px);
  left: 50%;
  transform: translateX(-50%);
  width: min(360px, calc(100% - 28px));
  background: #fff;
  border-radius: 28px;
  padding: 22px 18px 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  animation: siteNavMenuIn 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
  font-family: var(--font-sans);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-link {
  position: relative;
  display: block;
  text-align: center;
  padding: 14px 12px 18px;
  color: var(--nav-text);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  opacity: 0;
  animation: siteNavLinkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.mobile-link:nth-child(1) {
  animation-delay: 0.05s;
}
.mobile-link:nth-child(2) {
  animation-delay: 0.1s;
}
.mobile-link:nth-child(3) {
  animation-delay: 0.15s;
}
.mobile-link:nth-child(4) {
  animation-delay: 0.2s;
}
.mobile-link:nth-child(5) {
  animation-delay: 0.25s;
}
.mobile-link:nth-child(6) {
  animation-delay: 0.3s;
}

.mobile-link.is-active {
  opacity: 1;
  color: var(--nav-active);
}

.mobile-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--nav-active);
  transform: translateX(-50%);
  box-shadow: -5px 0 0 var(--nav-active), 5px 0 0 var(--nav-active);
}

.mobile-sign-in {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  border-radius: 999px;
  background: var(--pill-dark);
  color: var(--sign-in-text);
  font-weight: 500;
  font-size: 15px;
  opacity: 0;
  animation: siteNavLinkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

.site-navbar-root [hidden] {
  display: none !important;
}

@keyframes siteNavSlideDown {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes siteNavOverlayIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes siteNavMenuIn {
  from {
    opacity: 0;
    transform: translate(-50%, -12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes siteNavLinkIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .nav-pill {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .logo-btn,
  .sign-in,
  .burger {
    background: var(--pill-dark);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .nav-pill {
    background: rgba(255, 255, 255, 0.94);
  }

  .logo-btn,
  .sign-in,
  .burger {
    background: var(--pill-dark);
  }
}

@media (max-width: 720px) {
  .nav-pill,
  .desktop-sign-in {
    display: none;
  }

  .header {
    justify-content: space-between;
    max-width: none;
    width: calc(100% - 28px);
    padding-inline: 0;
  }

  .logo-btn {
    width: 48px;
    height: 48px;
  }

  .burger {
    display: grid;
  }
}