:root {
    --nrgc-navy: #2c4633;
    --nrgc-blue: #2c4633;
    --nrgc-blue-dark: #1c3023;
    --nrgc-sky: #e8eadc;
    --nrgc-border: #d9d1bd;
    --nrgc-text: #30372d;
}

.nrgc-header,
.nrgc-header * { box-sizing: border-box; }

.nrgc-header {
    position: relative;
    z-index: 1000;
    width: 100%;
    color: var(--nrgc-text);
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--nrgc-border);
    border-radius: 14px;
    box-shadow: 0 8px 30px rgba(36, 69, 53, 0.11);
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.nrgc-header__inner {
    display: flex;
    align-items: center;
    min-height: 74px;
    max-width: 1500px;
    margin: 0 auto;
    padding: 8px 14px;
    gap: 14px;
}

.nrgc-brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 10px;
    color: var(--nrgc-navy);
    text-align: left;
    text-decoration: none;
}

.nrgc-brand:hover,
.nrgc-brand:focus-visible { color: var(--nrgc-blue); }

.nrgc-brand__mark {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, var(--nrgc-blue), var(--nrgc-navy));
    border-radius: 12px;
    box-shadow: 0 5px 12px rgba(36, 69, 53, 0.22);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.nrgc-brand__text,
.nrgc-brand__name,
.nrgc-brand__location { display: block; }

.nrgc-brand__name {
    font-size: clamp(15px, 1.15vw, 19px);
    font-weight: 750;
    line-height: 1.15;
    white-space: nowrap;
}

.nrgc-brand__location {
    margin-top: 3px;
    color: #5e6656;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.nrgc-nav {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
}

.nrgc-nav__link {
    position: relative;
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px 11px;
    color: var(--nrgc-text);
    background: transparent;
    border: 0;
    border-radius: 9px;
    font: inherit;
    font-size: 14px;
    font-weight: 650;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.nrgc-nav__link:hover,
.nrgc-nav__link:focus-visible,
.nrgc-nav__menu.is-open > .nrgc-nav__link {
    color: var(--nrgc-blue-dark);
    background: var(--nrgc-sky);
    outline: none;
}

.nrgc-nav__item--active > .nrgc-nav__link,
.nrgc-nav__link.nrgc-nav__item--active {
    color: #fff;
    background: var(--nrgc-blue);
}

.nrgc-nav__menu { position: relative; }

.nrgc-nav__chevron {
    width: 7px;
    height: 7px;
    margin: -3px 1px 0 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 160ms ease;
}

.nrgc-nav__menu.is-open .nrgc-nav__chevron {
    margin-top: 3px;
    transform: rotate(225deg);
}

.nrgc-nav__submenu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    display: grid;
    min-width: 235px;
    padding: 8px;
    visibility: hidden;
    opacity: 0;
    background: #fffdf6;
    border: 1px solid var(--nrgc-border);
    border-radius: 12px;
    box-shadow: 0 16px 38px rgba(36, 69, 53, 0.18);
    transform: translateY(-6px);
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
}

.nrgc-nav__submenu--right { right: 0; left: auto; }

.nrgc-nav__menu.is-open .nrgc-nav__submenu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.nrgc-nav__submenu a {
    padding: 11px 12px;
    color: var(--nrgc-text);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 550;
    line-height: 1.25;
    text-align: left;
    text-decoration: none;
}

.nrgc-nav__submenu a:hover,
.nrgc-nav__submenu a:focus-visible {
    color: var(--nrgc-blue-dark);
    background: var(--nrgc-sky);
    outline: none;
}

.nrgc-nav__login {
    margin-left: 5px;
    color: #fff;
    background: var(--nrgc-blue);
    box-shadow: 0 4px 10px rgba(36, 69, 53, 0.18);
}

.nrgc-nav__login:hover,
.nrgc-nav__login:focus-visible {
    color: #fff;
    background: var(--nrgc-blue-dark);
    transform: translateY(-1px);
}

.nrgc-user {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--nrgc-border);
    text-align: left;
}

.nrgc-user__avatar {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    color: var(--nrgc-blue-dark);
    background: var(--nrgc-sky);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 800;
}

.nrgc-user__text {
    max-width: 110px;
    overflow: hidden;
    color: var(--nrgc-navy);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.15;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nrgc-user__text small {
    display: block;
    margin-bottom: 2px;
    color: #5e6656;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.nrgc-nav-toggle {
    display: none;
    min-height: 44px;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding: 9px 12px;
    color: var(--nrgc-navy);
    background: var(--nrgc-sky);
    border: 1px solid #d9d1bd;
    border-radius: 9px;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.nrgc-nav-toggle__icon { display: grid; width: 18px; gap: 4px; }
.nrgc-nav-toggle__icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 160ms ease, opacity 160ms ease;
}

.nrgc-nav-toggle[aria-expanded="true"] .nrgc-nav-toggle__icon span:first-child { transform: translateY(6px) rotate(45deg); }
.nrgc-nav-toggle[aria-expanded="true"] .nrgc-nav-toggle__icon span:nth-child(2) { opacity: 0; }
.nrgc-nav-toggle[aria-expanded="true"] .nrgc-nav-toggle__icon span:last-child { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1100px) {
    .nrgc-header__inner { flex-wrap: wrap; min-height: 68px; padding: 9px 12px; }
    .nrgc-nav-toggle { display: inline-flex; }
    .nrgc-user { order: 2; }
    .nrgc-nav {
        display: none;
        order: 3;
        flex: 0 0 calc(100% + 24px);
        align-items: stretch;
        margin: 0 -12px -9px;
        padding: 8px 12px 12px;
        background: #f1ecdf;
        border-top: 1px solid var(--nrgc-border);
        border-radius: 0 0 14px 14px;
    }
    .nrgc-nav.is-open { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 8px; }
    .nrgc-nav__link { width: 100%; justify-content: space-between; padding: 12px; text-align: left; }
    .nrgc-nav__login { justify-content: center; margin: 0; text-align: center; }
    .nrgc-nav__submenu,
    .nrgc-nav__submenu--right {
        position: static;
        display: none;
        min-width: 0;
        margin: 3px 0 7px;
        visibility: visible;
        opacity: 1;
        border-radius: 9px;
        box-shadow: none;
        transform: none;
    }
    .nrgc-nav__menu.is-open .nrgc-nav__submenu { display: grid; }
}

@media (max-width: 680px) {
    .nrgc-header { border-right: 0; border-left: 0; border-radius: 0; }
    .nrgc-header__inner { gap: 8px; }
    .nrgc-brand__mark { width: 40px; height: 40px; border-radius: 10px; font-size: 13px; }
    .nrgc-brand__name { max-width: 190px; font-size: 14px; white-space: normal; }
    .nrgc-brand__location { font-size: 11px; }
    .nrgc-user { display: none; }
    .nrgc-nav.is-open { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
    .nrgc-brand__name { max-width: 145px; }
    .nrgc-nav-toggle { padding: 9px; }
    .nrgc-nav-toggle > span:last-child {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }
}

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