/* Shared EVCP header styling. */

.evcp-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:20}
.evcp-header-inner{min-height:76px;padding-top:10px;padding-bottom:10px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.evcp-logo{display:flex;align-items:center;width:180px;height:68px}
.evcp-logo-image{display:block;width:100%;height:100%;background-image:url('../img/evcp-logo-light.png');background-size:contain;background-repeat:no-repeat;background-position:left center}
[data-theme="dark"] .evcp-logo-image{background-image:url('../img/evcp-logo-dark.png')}
.evcp-nav{display:flex;align-items:center;gap:24px;font-size:16px;font-weight:700}
.evcp-header-actions{display:flex;align-items:center;gap:14px}
.evcp-header-social{display:flex;align-items:center;gap:10px}
.evcp-header-social a{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-muted);transition:color .2s ease,opacity .2s ease;opacity:.8}
.evcp-header-social a:hover{color:var(--color-primary);opacity:1}
.evcp-header-social svg{width:16px;height:16px;display:block}
.evcp-theme-toggle{width:52px;padding:0;position:relative}
.evcp-theme-icon{font-size:18px;line-height:1}
.evcp-theme-moon{display:none}
[data-theme="dark"] .evcp-theme-sun{display:none}
[data-theme="dark"] .evcp-theme-moon{display:block;color:var(--color-text)}



/* Responsive full-screen hamburger menu.
   Narrow screens keep the menu button beside the theme toggle.
   When opened, navigation takes over the screen with centred links and socials beneath. */
.evcp-mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
  position: relative;
  z-index: 101;
}

.evcp-mobile-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.evcp-mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.evcp-mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.evcp-mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 860px) {
  .evcp-header {
    z-index: 100;
  }

  .evcp-header-inner {
    min-height: 68px;
    gap: 14px;
  }

  .evcp-logo {
    width: 150px;
    height: 58px;
    flex-shrink: 0;
    position: relative;
    z-index: 101;
  }

  .evcp-header-actions {
    margin-left: auto;
    gap: 12px;
    flex-shrink: 0;
    position: relative;
    z-index: 101;
  }

  .evcp-theme-toggle {
    width: 46px;
    min-width: 46px;
    height: 40px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 101;
  }

  .evcp-theme-icon {
    width: 20px;
    height: 20px;
    line-height: 1;
  }

  .evcp-mobile-menu-toggle {
    display: inline-flex;
  }

  .evcp-nav,
  .evcp-header-social {
    display: none;
  }

  .evcp-header.evcp-mobile-menu-open::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 90;
    background: var(--color-bg);
  }

  .evcp-header.evcp-mobile-menu-open .evcp-nav,
  .evcp-header.evcp-mobile-menu-open .evcp-header-social {
    display: flex;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: min(420px, calc(100% - 48px));
  }

  .evcp-header.evcp-mobile-menu-open .evcp-nav {
    top: 50%;
    transform: translate(-50%, -58%);
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .evcp-header.evcp-mobile-menu-open .evcp-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    font-size: clamp(22px, 6vw, 34px);
    line-height: 1;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--color-text);
    text-align: center;
  }

  .evcp-header.evcp-mobile-menu-open .evcp-nav a:hover {
    color: var(--color-primary);
  }

  .evcp-header.evcp-mobile-menu-open .evcp-header-social {
    top: calc(50% + 152px);
    justify-content: center;
    gap: 26px;
  }

  .evcp-header-social a {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    opacity: .9;
  }

  .evcp-header-social a:hover {
    color: var(--color-primary);
    opacity: 1;
  }

  .evcp-header-social svg {
    width: 24px;
    height: 24px;
    display: block;
  }

  body.evcp-mobile-menu-locked{
  overflow:hidden;
  height:100vh;
  touch-action:none;
}
}

@media (max-width: 420px) {
  .evcp-logo {
    width: 128px;
    height: 50px;
  }

  .evcp-header-actions {
    gap: 8px;
  }

  .evcp-theme-toggle {
    width: 42px;
    min-width: 42px;
  }

  .evcp-mobile-menu-toggle {
    width: 42px;
  }

  .evcp-header.evcp-mobile-menu-open .evcp-nav {
    gap: 18px;
  }

  .evcp-header.evcp-mobile-menu-open .evcp-header-social {
    top: calc(50% + 138px);
    gap: 22px;
  }
}

/* Theme toggle visibility fix for mobile menu layout.
   The mobile sizing rules must not force both icons to display at once. */
.evcp-theme-toggle .evcp-theme-icon {
  align-items: center;
  justify-content: center;
}

.evcp-theme-toggle .evcp-theme-sun {
  display: inline-flex;
}

.evcp-theme-toggle .evcp-theme-moon {
  display: none;
}

[data-theme="dark"] .evcp-theme-toggle .evcp-theme-sun {
  display: none;
}

[data-theme="dark"] .evcp-theme-toggle .evcp-theme-moon {
  display: inline-flex;
}


@media (max-width: 1120px) and (min-width: 861px) {
  .evcp-header-inner { gap: 16px; }
  .evcp-logo { width: 150px; }
  .evcp-nav { gap: 14px; font-size: 14px; }
  .evcp-header-actions { gap: 10px; }
}