/* ---------- Header ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    transition: transform var(--t-med) var(--ease-out), background-color var(--t-med), border-color var(--t-med);
    border-bottom: 1px solid transparent;
}

    .site-header.is-scrolled {
        background: rgba(11, 10, 10, 0.72);
        -webkit-backdrop-filter: saturate(160%) blur(16px);
        backdrop-filter: saturate(160%) blur(16px);
        border-bottom-color: var(--c-line);
    }

    .site-header.is-hidden {
        transform: translateY(-100%);
    }

.site-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--s-5);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    margin-right: auto;
}

.brand__logo {
    width: 44px;
    height: 44px;
    transition: transform var(--t-med) var(--ease-out);
}

.brand:hover .brand__logo {
    transform: rotate(-8deg) scale(1.06);
}

.brand__name {
    font-family: var(--f-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

    .brand__name span {
        color: var(--c-accent);
    }

.main-nav__list {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 5px;
    border: 1px solid var(--c-line);
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, 0.025);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.main-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: 0.55rem 1rem;
    border-radius: var(--r-pill);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--c-text-muted);
    transition: color var(--t-fast), background-color var(--t-fast);
}

    .main-nav__link i {
        font-size: 0.8em;
        opacity: 0.7;
    }

    .main-nav__link:hover {
        color: var(--c-text);
        background: rgba(255, 255, 255, 0.05);
    }

    .main-nav__link.is-active {
        color: var(--c-on-accent);
        background: var(--c-accent);
    }

        .main-nav__link.is-active i {
            opacity: 1;
        }

.site-header__cta {
    margin-left: var(--s-2);
}

.menu-toggle {
    display: none;
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--c-line-strong);
    background: rgba(255, 255, 255, 0.04);
    z-index: 120;
}

    .menu-toggle span {
        position: absolute;
        left: 13px;
        right: 13px;
        height: 2px;
        border-radius: 2px;
        background: var(--c-text);
        transition: transform var(--t-med) var(--ease-out), top var(--t-med) var(--ease-out);
    }

        .menu-toggle span:first-child { top: 18px; }
        .menu-toggle span:last-child { top: 26px; }

    .menu-toggle[aria-expanded="true"] span:first-child {
        top: 22px;
        transform: rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:last-child {
        top: 22px;
        transform: rotate(-45deg);
    }

/* ---------- Mobile menu ---------- */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: calc(var(--header-h) + var(--s-6)) var(--gutter) var(--s-7);
    background:
        radial-gradient(120% 60% at 100% 0%, rgba(255, 127, 0, 0.18), transparent 60%),
        var(--c-bg);
    clip-path: circle(0% at calc(100% - 44px) 38px);
    transition: clip-path 700ms var(--ease-out);
}

    .mobile-menu[hidden] {
        display: flex;
        visibility: hidden;
    }

    .mobile-menu.is-open {
        visibility: visible;
        clip-path: circle(150% at calc(100% - 44px) 38px);
    }

    .mobile-menu ul {
        list-style: none;
        padding: 0;
        display: grid;
        gap: var(--s-2);
    }

    .mobile-menu li {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
        transition-delay: calc(120ms + var(--i) * 60ms);
    }

    .mobile-menu.is-open li {
        opacity: 1;
        transform: none;
    }

    .mobile-menu li a {
        display: block;
        font-family: var(--f-display);
        font-size: clamp(2.25rem, 10vw, 3.5rem);
        font-weight: 700;
        letter-spacing: -0.03em;
        line-height: 1.15;
        color: var(--c-text);
    }

        .mobile-menu li a.is-active {
            color: var(--c-accent);
        }

.mobile-menu__social {
    display: flex;
    gap: var(--s-3);
}

    .mobile-menu__social a {
        display: grid;
        place-items: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        border: 1px solid var(--c-line-strong);
        color: var(--c-text);
    }

@media (max-width: 991.98px) {
    .main-nav {
        display: none;
    }

    .site-header__cta {
        margin-left: auto;
    }

    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    .site-header__cta + .menu-toggle {
        margin-left: 0;
    }
}

@media (max-width: 575.98px) {
    .site-header .site-header__cta {
        display: none;
    }

    .site-header .menu-toggle {
        margin-left: auto;
    }
}

/* ---------- Page hero (breadcrumb pages) ---------- */
.page-hero {
    position: relative;
    padding-block: clamp(3rem, 2rem + 5vw, 6.5rem) clamp(2.5rem, 2rem + 3vw, 4.5rem);
    overflow: hidden;
    isolation: isolate;
    border-bottom: 1px solid var(--c-line);
}

    .page-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -2;
        background-image:
            linear-gradient(var(--c-line) 1px, transparent 1px),
            linear-gradient(90deg, var(--c-line) 1px, transparent 1px);
        background-size: 64px 64px;
        -webkit-mask-image: radial-gradient(ellipse 70% 90% at 70% 0%, #000 20%, transparent 75%);
        mask-image: radial-gradient(ellipse 70% 90% at 70% 0%, #000 20%, transparent 75%);
    }

.page-hero__glow {
    position: absolute;
    z-index: -1;
    top: -40%;
    right: -10%;
    width: min(720px, 90vw);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 127, 0, 0.22), transparent 65%);
    filter: blur(20px);
    animation: float-glow 14s var(--ease-in-out) infinite alternate;
}

@keyframes float-glow {
    to { transform: translate(-12%, 18%) scale(1.1); }
}

.page-hero__title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    letter-spacing: -0.04em;
    max-width: 16ch;
    margin-top: var(--s-5);
}

.page-hero__lead {
    max-width: 62ch;
    margin-top: var(--s-5);
    font-size: var(--fs-lg);
    color: var(--c-text-muted);
}

    .page-hero__lead p {
        margin: 0;
    }

    .page-hero__lead strong {
        color: var(--c-text);
    }

.crumbs ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s-2);
    list-style: none;
    padding: 0;
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--c-text-faint);
}

.crumbs li {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
}

    .crumbs li + li::before {
        content: "/";
        color: var(--c-accent);
    }

.crumbs a {
    color: var(--c-text-muted);
    transition: color var(--t-fast);
}

    .crumbs a:hover {
        color: var(--c-accent);
    }

.crumbs [aria-current] {
    color: var(--c-text);
}

/* ---------- Footer ---------- */
.site-footer {
    position: relative;
    margin-top: var(--s-section);
    border-top: 1px solid var(--c-line);
    background: linear-gradient(180deg, var(--c-bg-2), var(--c-bg));
    overflow: hidden;
}

.footer-cta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-block: var(--s-8) var(--s-7);
    border-bottom: 1px solid var(--c-line);
}

.footer-cta__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    margin-top: var(--s-3);
    font-family: var(--f-display);
    font-size: var(--fs-3xl);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(90deg, var(--c-text) 0 50%, var(--c-accent) 50% 100%);
    background-size: 200% 100%;
    background-position: 0 0;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: background-position 700ms var(--ease-out);
}

    .footer-cta__link i {
        font-size: 0.55em;
        color: var(--c-accent);
        transition: transform var(--t-med) var(--ease-out);
    }

    .footer-cta__link:hover {
        background-position: -100% 0;
    }

        .footer-cta__link:hover i {
            transform: translateX(10px) rotate(-45deg);
        }

.footer-grid {
    display: grid;
    gap: var(--s-6);
    grid-template-columns: 1fr;
    padding-block: var(--s-7);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.6fr 1fr 1fr;
    }
}

.footer-col--about p {
    margin-top: var(--s-4);
    max-width: 46ch;
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
}

.footer-col__title {
    font-family: var(--f-mono);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-text-faint);
    margin-bottom: var(--s-4);
}

.footer-links,
.footer-social {
    display: grid;
    gap: var(--s-2);
}

    .footer-links a {
        position: relative;
        color: var(--c-text-muted);
        transition: color var(--t-fast), padding var(--t-med) var(--ease-out);
    }

        .footer-links a::before {
            content: "→";
            position: absolute;
            left: -1.2em;
            opacity: 0;
            color: var(--c-accent);
            transition: opacity var(--t-fast), left var(--t-med) var(--ease-out);
        }

        .footer-links a:hover {
            color: var(--c-text);
            padding-left: 1.2em;
        }

            .footer-links a:hover::before {
                opacity: 1;
                left: 0;
            }

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);
    color: var(--c-text-muted);
    transition: color var(--t-fast);
}

    .social-link > i:first-child {
        display: grid;
        place-items: center;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        border: 1px solid var(--c-line-strong);
        transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
    }

.social-link__arrow {
    font-size: 0.7em;
    opacity: 0;
    transform: translate(-4px, 4px) rotate(-45deg);
    transition: opacity var(--t-fast), transform var(--t-med) var(--ease-out);
}

.social-link:hover {
    color: var(--c-text);
}

    .social-link:hover > i:first-child {
        background: var(--c-accent);
        border-color: var(--c-accent);
        color: var(--c-on-accent);
    }

    .social-link:hover .social-link__arrow {
        opacity: 1;
        transform: none;
    }

.footer-wordmark {
    font-family: var(--f-display);
    font-weight: 800;
    font-size: clamp(5rem, 24vw, 22rem);
    line-height: 0.8;
    letter-spacing: -0.06em;
    text-align: center;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.08);
    user-select: none;
    margin-bottom: -0.12em;
    background: linear-gradient(180deg, rgba(255, 127, 0, 0.18), transparent 70%);
    -webkit-background-clip: text;
    background-clip: text;
}

.footer-bottom {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-4);
    padding-block: var(--s-5);
    border-top: 1px solid var(--c-line);
    font-size: var(--fs-xs);
    color: var(--c-text-faint);
}

.to-top {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--c-line-strong);
    background: transparent;
    color: var(--c-text);
    transition: background-color var(--t-fast), color var(--t-fast), transform var(--t-med) var(--ease-out);
}

    .to-top:hover {
        background: var(--c-accent);
        color: var(--c-on-accent);
        transform: translateY(-3px);
    }

body.menu-open {
    overflow: hidden;
}