:root {
    --defiel-color-paper: #ffffff;
    --defiel-color-black: #000000;
    --defiel-color-red: #9b1c1c;
    --defiel-font-display: "Bitter", Georgia, "Times New Roman", serif;
    --defiel-font-body: "PT Serif", Georgia, "Times New Roman", serif;
    --defiel-font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { margin: 0; }
body {
    margin: 0;
    background: var(--defiel-color-paper);
    font-family: var(--defiel-font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--defiel-font-display);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--defiel-color-black);
    text-wrap: balance;
}

h1 { font-size: clamp(1.75rem, 1.3rem + 2.2vw, 2.75rem); }
h2 { font-size: clamp(1.375rem, 1.1rem + 1.4vw, 2rem); }
h3 { font-size: clamp(1.125rem, 1rem + 0.8vw, 1.5rem); }
a { color: var(--defiel-color-red); }
a:visited { color: var(--defiel-color-red); }
a:hover, a:focus, a:active { color: #701212; }

.defiel-header {
    position: relative;
    z-index: 20;
    background: var(--defiel-color-black);
    border-bottom: 1px solid #333333;
}

.defiel-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    max-width: 1400px;
    min-height: 92px;
    margin: 0 auto;
    padding: 0 2rem;
}

.defiel-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    color: var(--defiel-color-paper);
    text-decoration: none;
}

.defiel-header__brand:hover,
.defiel-header__brand:focus { color: var(--defiel-color-paper); }

.defiel-header__logo {
    display: block;
    width: 160px;
    height: auto;
    max-height: 52px;
    object-fit: contain;
}

.defiel-header__signal {
    padding-left: 1rem;
    border-left: 1px solid var(--defiel-color-red);
    font-family: var(--defiel-font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.16em;
    color: #b9b3aa;
    white-space: nowrap;
}

.defiel-header__nav { display: block; flex: 1 1 auto; min-width: 0; }

.defiel-menu,
.defiel-menu ul {
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    gap: 0.15rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.defiel-menu > li { position: relative; margin: 0; }
.defiel-menu li.menu-item-has-children > a { padding-right: 1.35rem; }

.defiel-menu li.menu-item-has-children > a::before {
    position: absolute;
    top: 50%;
    right: 0.48rem;
    width: 0.36rem;
    height: 0.36rem;
    border-right: 2px solid #d94a4a;
    border-bottom: 2px solid #d94a4a;
    content: "";
    transform: translateY(-68%) rotate(45deg);
    transition: transform 180ms ease, border-color 160ms ease;
}

.defiel-menu li.menu-item-has-children:hover > a::before,
.defiel-menu li.menu-item-has-children:focus-within > a::before {
    border-color: #ffffff;
    transform: translateY(-32%) rotate(225deg);
}

.defiel-menu > li > a::after {
    position: absolute;
    right: 0.65rem;
    bottom: 0.35rem;
    left: 0.65rem;
    height: 1px;
    background: var(--defiel-color-red);
    content: "";
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.defiel-menu > li:hover > a::after,
.defiel-menu > li:focus-within > a::after,
.defiel-menu > .current-menu-item > a::after,
.defiel-menu > .current-menu-ancestor > a::after {
    transform: scaleX(1);
    transform-origin: left center;
}

.defiel-menu ul.sub-menu {
    display: block;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    z-index: 30;
    width: 245px;
    height: auto;
    max-height: 0;
    overflow: hidden;
    padding: 0.35rem 0;
    background: var(--defiel-color-black);
    border: 1px solid #333333;
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transform-origin: top center;
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1), max-height 180ms ease;
}

.defiel-menu > li:nth-last-child(-n + 2) > ul.sub-menu { right: 0; left: auto; }

.defiel-menu > li:hover > ul.sub-menu,
.defiel-menu > li:focus-within > ul.sub-menu {
    max-height: 70vh;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.defiel-menu ul.sub-menu li {
    position: relative;
    width: 100%;
    margin: 0;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 150ms ease, transform 180ms ease;
}

.defiel-menu > li:hover > ul.sub-menu li,
.defiel-menu > li:focus-within > ul.sub-menu li { opacity: 1; transform: translateY(0); }
.defiel-menu > li:hover > ul.sub-menu li:nth-child(2), .defiel-menu > li:focus-within > ul.sub-menu li:nth-child(2) { transition-delay: 25ms; }
.defiel-menu > li:hover > ul.sub-menu li:nth-child(3), .defiel-menu > li:focus-within > ul.sub-menu li:nth-child(3) { transition-delay: 50ms; }
.defiel-menu > li:hover > ul.sub-menu li:nth-child(4), .defiel-menu > li:focus-within > ul.sub-menu li:nth-child(4) { transition-delay: 75ms; }
.defiel-menu > li:hover > ul.sub-menu li:nth-child(n + 5), .defiel-menu > li:focus-within > ul.sub-menu li:nth-child(n + 5) { transition-delay: 100ms; }

.defiel-menu ul.sub-menu a {
    position: relative;
    padding: 0.65rem 0.85rem;
    white-space: normal;
    transition: color 160ms ease, background-color 160ms ease, padding-left 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.defiel-menu ul.sub-menu a::before {
    position: absolute;
    top: 50%;
    left: 0.3rem;
    width: 0;
    height: 1px;
    background: var(--defiel-color-red);
    content: "";
    transform: translateY(-50%);
    transition: width 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.defiel-menu ul.sub-menu a:hover,
.defiel-menu ul.sub-menu a:focus { padding-left: 1.15rem; background: rgba(155, 28, 28, 0.14); }
.defiel-menu ul.sub-menu a:hover::before,
.defiel-menu ul.sub-menu a:focus::before { width: 0.5rem; }

.defiel-menu a {
    display: block;
    position: relative;
    padding: 0.7rem 0.65rem;
    font-family: var(--defiel-font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.045em;
    text-transform: uppercase;
    color: #f8f5ef;
    text-decoration: none;
    white-space: nowrap;
    transition: color 160ms ease, transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
}

.defiel-menu a:hover,
.defiel-menu a:focus,
.defiel-menu .current-menu-item > a,
.defiel-menu .current-menu-ancestor > a { color: #ffffff; }

.defiel-menu > li:hover > a,
.defiel-menu > li:focus-within > a { transform: translateY(-2px); }

.defiel-menu .current-menu-item::before,
.defiel-menu .current-menu-ancestor::before {
    position: absolute;
    top: 0;
    left: 0.85rem;
    width: 1.2rem;
    height: 2px;
    background: var(--defiel-color-red);
    content: "";
}

.defiel-header__toggle {
    display: none;
    align-items: center;
    gap: 0.65rem;
    margin: 0;
    padding: 0.65rem 0;
    border: 0;
    background: transparent;
    font-family: var(--defiel-font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--defiel-color-paper);
    cursor: pointer;
}

.defiel-header__toggle-icon { display: grid; gap: 4px; width: 22px; }
.defiel-header__toggle-icon span {
    display: block;
    height: 2px;
    background: var(--defiel-color-red);
    transform-origin: center;
    transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), opacity 180ms ease, background-color 160ms ease;
}

.defiel-header__toggle:hover .defiel-header__toggle-icon span,
.defiel-header__toggle:focus-visible .defiel-header__toggle-icon span { background: #ffffff; }
.defiel-header__toggle:hover .defiel-header__toggle-icon span:first-child { transform: translateX(3px); }
.defiel-header__toggle:hover .defiel-header__toggle-icon span:last-child { transform: translateX(-3px); }
.defiel-header__toggle[aria-expanded="true"] .defiel-header__toggle-icon span:first-child { transform: translateY(3px) rotate(45deg); }
.defiel-header__toggle[aria-expanded="true"] .defiel-header__toggle-icon span:last-child { transform: translateY(-3px) rotate(-45deg); }

a:focus-visible,
button:focus-visible { outline: 2px solid var(--defiel-color-red); outline-offset: 2px; }

@media (max-width: 900px) {
    .defiel-header__inner { min-height: 76px; padding: 0 1.25rem; }
    .defiel-header__logo { width: 140px; }
    .defiel-header__signal { display: none; }
    .defiel-header__toggle { display: inline-flex; }
    .defiel-header__nav {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        padding: 0.5rem 1.25rem 1rem;
        background: var(--defiel-color-black);
        border-top: 1px solid #333333;
        box-shadow: 0 12px 20px rgba(0, 0, 0, 0.16);
    }
    .defiel-header__nav.is-open { display: block; }
    .defiel-menu, .defiel-menu ul { display: block; justify-content: initial; }
    .defiel-menu ul.sub-menu {
        position: static;
        right: auto;
        left: auto;
        width: auto;
        max-height: none;
        padding: 0 0 0 1rem;
        border: 0;
        box-shadow: none;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }
    .defiel-menu ul.sub-menu li { opacity: 1; transform: none; }
    .defiel-menu > li > a::after, .defiel-menu ul.sub-menu a::before { display: none; }
    .defiel-menu > li:hover > a, .defiel-menu > li:focus-within > a { transform: none; }
    .defiel-menu a { padding: 0.8rem 0; border-bottom: 1px solid #333333; white-space: normal; }
    .defiel-menu .current-menu-item::before,
    .defiel-menu .current-menu-ancestor::before { top: 0.8rem; left: -0.5rem; width: 2px; height: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .defiel-header__toggle-icon span,
    .defiel-menu a,
    .defiel-menu > li > a::after,
    .defiel-menu ul.sub-menu,
    .defiel-menu ul.sub-menu li,
    .defiel-menu ul.sub-menu a,
    .defiel-menu ul.sub-menu a::before { transition: none; }
}