/*
 * VaultProof public header.
 * Canonical markup: scripts/templates/site-header.html
 * Canonical behavior: /js/site-header.js
 *
 * Primary CTA interaction adapted from “Button Mastery 3” by Marcelo Dolza:
 * https://uiverse.io/marcelodolza/stupid-vampirebat-24
 *
 * MIT License — Copyright (c) 2026 marcelodolza (Marcelo Dolza)
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the “Software”), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to inclusion of this copyright and permission notice.
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

:root {
  --vp-header-height: 72px;
  --vp-header-content: 1180px;
  --vp-header-font-body: "Manrope", "Avenir Next", Avenir, system-ui, -apple-system, sans-serif;
  --vp-header-ink: #f4f8fc;
  --vp-header-copy: #c9d5e1;
  --vp-header-muted: #9aa6b5;
  --vp-header-bg: #030811;
  --vp-header-bg-strong: #070a10;
  --vp-header-panel: #0e1622;
  --vp-header-control: #171d26;
  --vp-header-control-hover: #111b28;
  --vp-header-accent: #57dce9;
  --vp-header-accent-strong: #81e8f0;
  --vp-header-wash: rgba(87, 220, 233, 0.08);
  --vp-header-wash-strong: rgba(87, 220, 233, 0.12);
  --vp-header-overlay: rgba(4, 8, 14, 0.78);
  --vp-header-shadow-strong: rgba(2, 5, 10, 0.48);
  --vp-header-shadow-menu: rgba(2, 5, 10, 0.52);
}

html {
  scroll-padding-top: calc(var(--vp-header-height) + 18px);
}

body.vp-header-page {
  padding-top: var(--vp-header-height) !important;
}

body.vp-menu-open {
  overflow: hidden !important;
}

body.vp-menu-open::after {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--vp-header-overlay);
  content: "";
}

.vp-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  min-height: var(--vp-header-height);
  border: 0;
  border-radius: 0;
  background: var(--vp-header-bg);
  box-shadow: none;
  transition: background-color 220ms ease, box-shadow 220ms ease;
}

.vp-header::after {
  display: none;
}

.vp-header.is-scrolled {
  background: var(--vp-header-bg-strong);
  box-shadow: 0 12px 34px var(--vp-header-shadow-strong);
}

.vp-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  width: min(var(--vp-header-content), calc(100% - 28px));
  min-height: var(--vp-header-height);
  margin: 0 auto;
  padding-inline: 14px;
  border: 0;
  gap: 28px;
}

.vp-brand {
  flex: 0 0 auto;
  color: var(--vp-header-ink) !important;
  font-family: "Montserrat", "Avenir Next", Avenir, system-ui, sans-serif;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease, opacity 180ms ease;
}

.vp-brand:hover,
.vp-brand:focus-visible {
  color: var(--vp-header-accent-strong) !important;
}

.vp-nav {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  gap: 20px;
}

.vp-nav__desktop,
.vp-nav__links,
.vp-header__utilities {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: 2px;
  list-style: none;
}

.vp-nav__desktop {
  display: none;
  flex: 0 1 auto;
  min-width: 0;
}

.vp-nav__links--mobile {
  display: flex;
}

html.has-vp-header-js .vp-nav__desktop {
  display: flex;
}

html.has-vp-header-js .vp-nav__links--mobile {
  display: none;
}

.vp-header__utilities {
  gap: 6px;
}

.vp-nav-menu {
  position: relative;
}

.vp-nav-menu__trigger,
.vp-nav__direct,
.vp-nav__links a,
.vp-header__signin {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--vp-header-copy) !important;
  cursor: pointer;
  font-family: var(--vp-header-font-body);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease;
}

.vp-nav-menu__trigger {
  gap: 5px;
}

.vp-nav-menu__trigger svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  transition: transform 180ms ease;
}

.vp-nav-menu__trigger::after,
.vp-nav__direct::after,
.vp-nav__links a::after {
  position: absolute;
  right: 10px;
  bottom: 5px;
  left: 10px;
  height: 1px;
  background: var(--vp-header-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease;
}

.vp-nav-menu__trigger:hover,
.vp-nav-menu__trigger[aria-expanded="true"],
.vp-nav__direct:hover,
.vp-nav__links a:hover,
.vp-header__signin:hover {
  background: var(--vp-header-wash);
  color: var(--vp-header-ink) !important;
}

.vp-nav-menu__trigger:hover::after,
.vp-nav-menu__trigger:focus-visible::after,
.vp-nav-menu__trigger[aria-expanded="true"]::after,
.vp-nav-menu__trigger.is-active::after,
.vp-nav__direct:hover::after,
.vp-nav__direct:focus-visible::after,
.vp-nav__direct[aria-current]::after,
.vp-nav__links a:hover::after,
.vp-nav__links a:focus-visible::after,
.vp-nav__links a.is-active::after,
.vp-nav__links a[aria-current]::after {
  transform: scaleX(1);
}

.vp-nav-menu__trigger.is-active,
.vp-nav__direct[aria-current],
.vp-nav__links a.is-active,
.vp-nav__links a[aria-current] {
  color: var(--vp-header-ink) !important;
}

.vp-nav-menu__trigger[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.vp-nav-menu__content {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 10;
  display: grid;
  width: 330px;
  max-height: min(66vh, 560px);
  padding: 7px;
  overflow-y: auto;
  border: 0;
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  background: var(--vp-header-panel);
  box-shadow: 0 24px 64px var(--vp-header-shadow-menu);
  pointer-events: none;
  gap: 2px;
  transform: translateY(-6px) scale(0.985);
  transform-origin: top left;
  transition: opacity 160ms ease, transform 190ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 190ms;
}

.vp-nav-menu[data-vp-align="end"] .vp-nav-menu__content {
  right: 0;
  left: auto;
  transform-origin: top right;
}

.vp-nav-menu.is-open .vp-nav-menu__content {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  transition-delay: 0s;
}

.vp-nav-menu__content a {
  display: grid;
  min-height: 52px;
  padding: 9px 11px;
  border: 0;
  border-radius: 6px;
  color: var(--vp-header-copy) !important;
  font-family: var(--vp-header-font-body);
  line-height: 1.25;
  text-decoration: none;
  transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.vp-nav-menu__content a span {
  color: var(--vp-header-ink);
  font-size: 0.84rem;
  font-weight: 750;
}

.vp-nav-menu__content a small {
  margin-top: 3px;
  color: var(--vp-header-muted);
  font-size: 0.7rem;
  font-weight: 550;
  line-height: 1.35;
}

.vp-nav-menu__content a:hover,
.vp-nav-menu__content a:focus-visible,
.vp-nav-menu__content a[aria-current] {
  background: var(--vp-header-wash);
  color: var(--vp-header-ink) !important;
  transform: translateX(2px);
}

.vp-nav-menu__content a[aria-current] {
  color: var(--vp-header-accent-strong) !important;
}

.vp-header__status {
  display: none;
  align-items: center;
  min-height: 32px;
  padding: 6px 9px;
  border: 0;
  border-radius: 6px;
  color: var(--vp-header-muted) !important;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 150ms ease, background-color 150ms ease, color 150ms ease;
}

.vp-header__status:hover,
.vp-header__status[aria-current="page"] {
  background: var(--vp-header-wash);
  color: var(--vp-header-ink) !important;
}

.vp-menu-toggle {
  display: none;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: var(--vp-header-control);
  color: var(--vp-header-ink);
  cursor: pointer;
  transition: border-color 150ms ease, background-color 150ms ease, transform 150ms ease;
}

.vp-menu-toggle:hover {
  background: var(--vp-header-control-hover);
}

.vp-menu-toggle:active {
  transform: translate3d(0, 1px, 0);
}

.vp-menu-icon {
  display: block;
  width: 16px;
  height: 16px;
  overflow: visible;
}

.vp-menu-icon .bar {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.5;
  transition: opacity 150ms ease, transform 280ms cubic-bezier(0.16, 1, 0.3, 1);
  transform-box: fill-box;
  transform-origin: center;
}

.vp-menu-toggle[aria-expanded="true"] .bar-top {
  transform: translateY(3px) rotate(45deg);
}

.vp-menu-toggle[aria-expanded="true"] .bar-mid {
  opacity: 0;
}

.vp-menu-toggle[aria-expanded="true"] .bar-bot {
  transform: translateY(-3px) rotate(-45deg);
}

.vp-header :where(a, button):focus-visible {
  outline: 3px solid var(--vp-header-accent-strong) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 0 2px #070a10 !important;
}

@media (min-width: 1041px) {
  html.has-vp-header-js .vp-nav {
    justify-content: flex-end;
  }

  html.has-vp-header-js .vp-nav__desktop {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 1;
    transform: translate(-50%, -50%);
  }

  html.has-vp-header-js .vp-header__utilities {
    margin-left: auto;
  }
}

@media (max-width: 1040px) {
  .vp-header__inner {
    width: min(100% - 32px, var(--vp-header-content));
  }

}

@media (max-width: 1040px) {
  :root {
    --vp-header-height: 68px;
  }

  .vp-header {
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--vp-header-height);
  }

  .vp-header__inner {
    width: min(100% - 24px, var(--vp-header-content));
    min-height: var(--vp-header-height);
    padding-inline: 0;
    border-inline: 0;
    flex-wrap: wrap;
    gap: 10px;
  }

  .vp-nav {
    order: 3;
    flex: 1 0 100%;
    padding-bottom: 10px;
  }

  html.has-vp-header-js .vp-header__inner {
    flex-wrap: nowrap;
  }

  html.has-vp-header-js .vp-menu-toggle {
    display: block;
  }

  html.has-vp-header-js .vp-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    align-items: stretch;
    justify-content: stretch;
    max-height: calc(100svh - var(--vp-header-height) - 20px);
    padding: 8px;
    overflow-y: auto;
    border: 0;
    border-radius: 0;
    opacity: 0;
    visibility: hidden;
    background: var(--vp-header-panel);
    box-shadow: 0 22px 58px var(--vp-header-shadow-menu);
    pointer-events: none;
    gap: 4px;
    transform: translateY(-8px);
    transition: opacity 150ms ease, transform 150ms ease, visibility 0s linear 150ms;
  }

  html.has-vp-header-js .vp-nav.is-open,
  html.has-vp-header-js body.vp-menu-open .vp-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .vp-nav__desktop,
  html.has-vp-header-js .vp-nav__desktop {
    display: none;
  }

  .vp-nav__links,
  html.has-vp-header-js .vp-nav__links--mobile,
  .vp-header__utilities {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
  }

  .vp-header__utilities {
    padding-top: 4px;
    border: 0;
  }

  .vp-header__status {
    display: inline-flex;
    grid-column: 1 / -1;
    justify-content: flex-start;
    min-height: 44px;
    margin: 0;
    padding-inline: 14px;
    border: 0;
    border-radius: 6px;
    background: var(--vp-header-control);
  }

  .vp-nav__links a,
  .vp-header__signin {
    width: 100%;
    min-height: 46px;
  }

  .vp-nav__links a,
  .vp-header__signin {
    justify-content: flex-start;
    padding-inline: 14px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    font-size: 0.92rem;
  }

  .vp-nav__links a.is-active,
  .vp-nav__links a[aria-current] {
    background: var(--vp-header-wash-strong);
    color: var(--vp-header-accent-strong) !important;
  }

  .vp-nav__links a::after {
    display: none;
  }

  .vp-header__signin {
    border-radius: 6px;
  }

}

@media (max-width: 390px) {
  .vp-nav__links,
  html.has-vp-header-js .vp-nav__links--mobile,
  .vp-header__utilities {
    grid-template-columns: 1fr;
  }
}

@media (hover: none) and (pointer: coarse) {
  .vp-header :where(a, button) {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .vp-header,
  .vp-header *,
  .vp-header *::before,
  .vp-header *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .vp-header :where(a, button, span) {
    transform: none !important;
  }

  .vp-menu-icon .bar {
    transition-duration: 0.01ms !important;
    transform: none !important;
  }
}

@media print {
  body.vp-header-page {
    padding-top: 0 !important;
  }

  .vp-header {
    display: none !important;
  }
}