:root {
    --blue: #27c;
    --coral: #c66;
    --cyan: #0bc;
    --green: #5b5;
    --indigo: #36b;
    --lime: #9d5;
    --mint: #4d8;
    --orange: #e94;
    --pink: #f070b8;
    --plum: #817;
    --raspberry: #a35;
    --rose: #c45;
    --sky: #09c;
    --teal: #2cb;
    --violet: #639;
    --yellow: #ed0;

    /* Sizing scale */
    --border-hair: 0.125rem;
    --border-thick: 0.25rem;
    --gap-lg: 2rem;
    --gap-md: 1.25rem;
    --gap-sm: 0.75rem;
    --gap-xs: 0.375rem;
    --maxw-page: 73.75rem;
    --shadow-hard: 0.5rem 0.5rem 0 0;
    --shadow-hard-sm: 0.25rem 0.25rem 0 0;
    --shadow-text: 0.25rem 0.25rem 0;
    --sidebar-w: 20rem;
    --space-section: 4.5rem;
    --tap: 3rem;

    /* Type scale */
    --fs-body: 1.0625rem;
    --fs-h1: clamp(2.5rem, 7vw, 4.75rem);
    --fs-h2: clamp(1.625rem, 4vw, 2.5rem);
    --fs-kicker: 0.8125rem;
    --fs-meta: 0.875rem;
    --fs-small: 0.8125rem;
    --lh-body: 1.6;
    --lh-tight: 1.05;

    /* Theme — LIGHT (default) */
    --c-accent: var(--pink);
    --c-accent-2: var(--blue);
    --c-accent-3: var(--yellow);
    --c-bg: #fffef7;
    --c-bg-alt: #ffffff;
    --c-border: #111111;
    --c-footer-link: var(--yellow);
    --c-ink: #111111;
    --c-ink-soft: #444444;
    --c-link: var(--sky);
    --c-on-accent-3: #14121a;
    --c-shadow: #111111;
}

/* Theme — DARK
   Default follows the OS via prefers-color-scheme. An explicit
   data-theme on <html> (set by the toggle + script) overrides the OS:
   [data-theme="dark"] forces dark, [data-theme="light"] forces light. */
:root[data-theme="dark"] {
    --c-accent: var(--pink);
    --c-accent-2: var(--teal);
    --c-accent-3: var(--yellow);
    --c-bg: #14121a;
    --c-bg-alt: #1e1b27;
    --c-border: #f5f3ff;
    --c-footer-link: var(--violet);
    --c-ink: #f5f3ff;
    --c-ink-soft: #b8b2cc;
    --c-link: var(--teal);
    --c-shadow: #000000;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --c-accent: var(--pink);
        --c-accent-2: var(--teal);
        --c-accent-3: var(--yellow);
        --c-bg: #14121a;
        --c-bg-alt: #1e1b27;
        --c-border: #f5f3ff;
        --c-footer-link: var(--violet);
        --c-ink: #f5f3ff;
        --c-ink-soft: #b8b2cc;
        --c-link: var(--teal);
        --c-shadow: #000000;
    }
}


*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--c-bg);
    color: var(--c-ink);
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: var(--fs-body);
    line-height: var(--lh-body);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--c-link);
    font-weight: 700;
    text-decoration-thickness: var(--border-hair);
    text-underline-offset: 0.1875rem;
}

a:hover {
    background-color: var(--c-accent-3);
    color: var(--c-on-accent-3);
}

h1,
h2,
h3 {
    line-height: var(--lh-tight);
    text-transform: uppercase;
}

h1 {
    font-size: var(--fs-h1);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--fs-h2);
    letter-spacing: -0.01em;
}

img {
    display: block;
    max-width: 100%;
}

p {
    max-width: 68ch;
}


.contain {
    margin-inline: auto;
    max-width: var(--maxw-page);
    padding-inline: var(--gap-md);
    width: 100%;
}

.kicker {
    background-color: var(--c-ink);
    color: var(--c-bg);
    display: inline-block;
    font-size: var(--fs-kicker);
    font-weight: 800;
    letter-spacing: 0.18em;
    padding: var(--gap-xs) var(--gap-sm);
    text-transform: uppercase;
}
.kicker a {
    color: inherit;
    text-decoration: none;
}

.skip-link {
    background-color: var(--c-accent-3);
    color: var(--c-on-accent-3);
    left: var(--gap-sm);
    padding: var(--gap-sm);
    position: absolute;
    top: -12.5rem;
    z-index: 99;
}

.skip-link:focus {
    top: var(--gap-sm);
}


.theme-control {
    align-items: center;
    cursor: pointer;
    display: inline-flex;
    font-size: var(--fs-small);
    font-weight: 800;
    gap: var(--gap-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    user-select: none;
}

#theme-toggle {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.theme-control .switch {
    background-color: var(--c-bg);
    border: var(--border-hair) solid var(--c-border);
    box-shadow: var(--shadow-hard-sm) var(--c-shadow);
    display: inline-block;
    height: var(--gap-md);
    position: relative;
    width: 2.75rem;
}

.theme-control .switch::after {
    background-color: var(--c-accent);
    content: "";
    height: calc(var(--gap-md) - 0.5rem);
    left: 0.125rem;
    position: absolute;
    top: 0.125rem;
    transition: left 0.12s ease-out;
    width: calc(var(--gap-md) - 0.5rem);
}

/* Checked = dark: track fills, knob snaps flush right */
body:has(#theme-toggle:checked) .theme-control .switch {
    background-color: var(--c-accent-2);
}

body:has(#theme-toggle:checked) .theme-control .switch::after {
    left: calc(100% - (var(--gap-md) - 0.5rem) - 0.125rem);
}

body:has(#theme-toggle:focus-visible) .theme-control .switch {
    outline: var(--border-thick) solid var(--c-accent-2);
    outline-offset: 0.125rem;
}


/* HEADER / MENU */
#header {
    background-color: var(--c-bg-alt);
    border-bottom: var(--border-thick) solid var(--c-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

#header .contain {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-md);
    justify-content: space-between;
    padding-block: var(--gap-sm);
}

.brand {
    align-items: center;
    color: var(--c-ink);
    display: inline-flex;
    font-size: 1.625rem;
    font-weight: 900;
    gap: var(--gap-sm);
    letter-spacing: -0.03em;
    text-decoration: none;
    text-transform: uppercase;
}

.brand:hover {
    background-color: transparent;
    color: inherit;
}

.brand .mark {
    aspect-ratio: 1;
    background: var(--c-accent) url(https://kevinfreitas.net/kfnet-icon.png) center center no-repeat;
    background-size: contain;
    border: var(--border-hair) solid var(--c-border);
    box-shadow: var(--shadow-hard-sm) var(--c-shadow);
    color: #fff;
    display: grid;
    font-size: 1.125rem;
    place-items: center;
    width: 3rem;
}
.brand::after {
    content: ', Professional Generalist';
    margin-left: calc(-1 * var(--gap-sm));
}

#menu {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-sm);
}

#menu a {
    color: var(--c-ink);
    padding: var(--gap-xs) var(--gap-sm);
    text-decoration: none;
}

#menu a:hover,
#menu a[aria-current="page"] {
    background-color: var(--c-accent-2);
    color: #fff;
}

#nav-toggle {
    opacity: 0;
    pointer-events: none;
    position: absolute;
}

.hamburger {
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    justify-content: center;
    padding: 0.375rem;
    position: relative;
    z-index: 60;
}

.hamburger span {
    background-color: var(--c-ink);
    display: block;
    height: 0.25rem;
    transition: opacity 0.12s ease-out, transform 0.12s ease-out;
    width: 1.875rem;
}

#nav-toggle:focus-visible + .hamburger {
    outline: var(--border-thick) solid var(--c-accent-2);
    outline-offset: 0.125rem;
}

/* Morph to X when open */
body:has(#nav-toggle:checked) .hamburger span:nth-child(1) {
    transform: translateY(0.625rem) rotate(45deg);
}

body:has(#nav-toggle:checked) .hamburger span:nth-child(2) {
    opacity: 0;
}

body:has(#nav-toggle:checked) .hamburger span:nth-child(3) {
    transform: translateY(-0.625rem) rotate(-45deg);
}


/* HERO */
.hero {
    background-color: var(--c-accent);
    border-bottom: var(--border-thick) solid var(--c-border);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.hero::before {
    background-image: repeating-linear-gradient(45deg, transparent 0 1.375rem, rgba(0, 0, 0, 0.12) 1.375rem 1.5rem);
    content: "";
    inset: 0;
    position: absolute;
}

.hero .contain {
    padding-block: var(--space-section);
    position: relative;
}

.hero h1 {
    text-shadow: var(--shadow-text) var(--c-shadow);
}

.hero p {
    font-size: 1.1875rem;
    font-weight: 600;
    margin-top: var(--gap-md);
}


/* MAIN GRID */
.layout {
    display: grid;
    gap: var(--space-section);
    grid-template-columns: minmax(0, 1fr) var(--sidebar-w);
    padding-block: var(--space-section);
}

.section-head {
    align-items: baseline;
    border-bottom: var(--border-thick) solid var(--c-border);
    display: flex;
    gap: var(--gap-md);
    justify-content: space-between;
    margin-bottom: var(--gap-lg);
    padding-bottom: var(--gap-sm);
}


/* BLOG FEED */
.feed {
    display: grid;
    gap: var(--gap-lg);
}

.post-card {
    background-color: var(--c-bg-alt);
    border: var(--border-thick) solid var(--c-border);
    box-shadow: var(--shadow-hard) var(--c-shadow);
    display: flex;
    flex-direction: row;
    /* grid-template-columns: 15rem minmax(0, 1fr); */
    text-decoration: none;
    transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;
}

.post-card:focus-within,
.post-card:hover {
    background-color: var(--c-bg-alt);
    box-shadow: 0.75rem 0.75rem 0 0 var(--c-accent-2);
    transform: translate(-0.25rem, -0.25rem);
}

.post-card.feature {
    flex-direction: column;
    /* grid-template-columns: 1fr; */
}

/* POST PHOTOS */
.thumb {
    aspect-ratio: 4 / 3;
    background-position: center;
    background-size: cover;
    border-right: var(--border-thick) solid var(--c-border);
    /* height: 100%; */
    max-width: 16rem;
    object-fit: cover;
    position: relative;
}

.post-card.feature .thumb {
    aspect-ratio: 21 / 9;
    border-bottom: var(--border-thick) solid var(--c-border);
    border-right: 0;
    max-width: 100%;
}

/* .thumb::after {
    color: rgba(255, 255, 255, 0.85);
    content: attr(data-tag);
    font-size: 6rem;
    font-weight: 900;
    inset: 0;
    line-height: 1;
    mix-blend-mode: overlay;
    padding: var(--gap-sm);
    position: absolute;
} */

.thumb-a {
    background-image:
        radial-gradient(circle at 80% 20%, var(--yellow) 0 18%, transparent 18%),
        radial-gradient(circle at 25% 75%, var(--teal) 0 26%, transparent 26%),
        linear-gradient(135deg, var(--rose), var(--violet));
}

.thumb-b {
    background-image:
        repeating-linear-gradient(135deg, var(--sky) 0 1.875rem, var(--indigo) 1.875rem 3.75rem),
        linear-gradient(var(--teal), var(--cyan));
}

.thumb-c {
    background-image:
        conic-gradient(from 45deg, var(--orange), var(--yellow), var(--lime), var(--mint), var(--orange));
}

.thumb-d {
    background-image:
        radial-gradient(circle at 50% 50%, transparent 0 14%, var(--c-border) 14% 16%, transparent 16%),
        repeating-radial-gradient(circle at 50% 50%, var(--raspberry) 0 1.5rem, var(--plum) 1.5rem 3rem);
}

.thumb-e {
    background-image:
        linear-gradient(60deg, var(--green) 0 50%, var(--lime) 50% 100%),
        linear-gradient(-60deg, var(--teal) 0 50%, transparent 50%);
}

.post-body {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
    padding: var(--gap-md);
}

.post-body h3 {
    font-size: 1.4375rem;
}

.post-card.feature .post-body h3 {
    font-size: var(--fs-h2);
}

.post-title {
    color: var(--c-ink);
    text-decoration: none;
}

.post-meta {
    color: var(--c-ink-soft);
    display: flex;
    flex-wrap: wrap;
    font-size: var(--fs-meta);
    font-weight: 700;
    gap: var(--gap-sm);
    letter-spacing: 0.04em;
    list-style: none;
    text-transform: uppercase;
}

.post-meta .pill {
    background-color: var(--c-accent-3);
    color: var(--c-on-accent-3);
    padding: 0.125rem var(--gap-xs);
}

.summary {
    color: var(--c-ink-soft);
    font-weight: 500;
}


/* SIDEBAR */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-section);
}

.panel-title {
    border-bottom: var(--border-thick) solid var(--c-border);
    font-size: 1.25rem;
    margin-bottom: var(--gap-md);
    padding-bottom: var(--gap-xs);
}

.btn-stack {
    display: grid;
    gap: var(--gap-sm);
}

.btn {
    background-color: var(--c-bg-alt);
    border: var(--border-thick) solid var(--c-border);
    box-shadow: var(--shadow-hard-sm) var(--c-shadow);
    color: var(--c-ink);
    cursor: pointer;
    display: flex;
    font: inherit;
    font-weight: 800;
    justify-content: space-between;
    letter-spacing: 0.02em;
    min-height: var(--tap);
    padding: var(--gap-sm) var(--gap-md);
    padding-left: calc(var(--gap-md) + 0.875rem + var(--gap-sm));
    position: relative;
    text-decoration: none;
    text-transform: uppercase;
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out;
}

/* Left accent — own rectangle, overlapping the full button height + border */
.btn::before {
    background-color: var(--c-border);
    bottom: calc(-1 * var(--border-thick));
    content: "";
    left: calc(-1 * var(--border-thick));
    position: absolute;
    top: calc(-1 * var(--border-thick));
    width: 1.5rem;
}

.btn::after {
    content: "\2192";
}

.btn:hover,
.btn:focus-visible {
    background-color: var(--c-accent);
    box-shadow: 0.4375rem 0.4375rem 0 0 var(--c-shadow);
    color: #fff;
    outline: 0;
    transform: translate(-0.1875rem, -0.1875rem);
}

.btn.v1::before { background-color: var(--rose); }
.btn.v2::before { background-color: var(--yellow); }
.btn.v3::before { background-color: var(--teal); }
.btn.v4::before { background-color: var(--violet); }
.btn.v5::before { background-color: var(--green); }
.btn.v6::before { background-color: var(--sky); }



/* ARTICLE */
.article {
    margin-inline: auto;
    max-width: 47.5rem;
    padding-block: var(--space-section);
}

.article-hero {
    aspect-ratio: 21 / 9;
    border: var(--border-thick) solid var(--c-border);
    box-shadow: var(--shadow-hard) var(--c-shadow);
    margin-bottom: var(--gap-lg);
    object-fit: cover;
    width: 100%;
}

.article-meta {
    color: var(--c-ink-soft);
    display: flex;
    flex-wrap: wrap;
    font-weight: 700;
    gap: var(--gap-sm);
    list-style: none;
    margin-block: var(--gap-md) var(--gap-lg);
    text-transform: uppercase;
}

.article-body > * + * {
    margin-top: var(--gap-md);
}

.article-body h2 {
    margin-top: var(--space-section);
}

.article-body blockquote {
    background-color: var(--c-bg-alt);
    border-left: 0.875rem solid var(--c-accent);
    box-shadow: var(--shadow-hard-sm) var(--c-shadow);
    font-size: 1.3125rem;
    font-weight: 700;
    padding: var(--gap-md);
}

.article-body ul {
    padding-left: var(--gap-lg);
}

.article-body code {
    background-color: var(--c-accent-3);
    color: var(--c-on-accent-3);
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    padding: 0.125rem var(--gap-xs);
}

.tag-row {
    border-top: var(--border-thick) solid var(--c-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-sm);
    margin-top: var(--space-section);
    padding-top: var(--gap-md);
}

.tag {
    background-color: var(--c-bg-alt);
    border: var(--border-hair) solid var(--c-border);
    box-shadow: var(--shadow-hard-sm) var(--c-shadow);
    color: var(--c-ink);
    font-size: var(--fs-small);
    font-weight: 800;
    padding: var(--gap-xs) var(--gap-sm);
    text-decoration: none;
    text-transform: uppercase;
}

.tag:hover {
    background-color: var(--c-accent-2);
    color: #fff;
}

.also {
    margin-top: var(--gap-lg);
}


.post-nav {
    display: flex;
    flex-direction: row;
    padding: var(--gap-lg) 0;
}
.post-nav span {
    flex: 1;
    text-align: right;
}
.post-nav span:first-child { text-align: left; }


.photos {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 4rem 0 0 0;
    text-align: center;
}
.photos a { border: 0 none; text-decoration: none; }
.photos img {
    border: var(--border-thick) solid var(--c-border);
	height: auto;
	max-width: 100%;
}



/*************************
	GALLERY
*************************/
#gallery h2 {
	padding: 2rem 0 1rem;
}
#gallery h3 {
	cursor: pointer;
	padding: .5rem 0;
}
#gallery h3 span {
	display: inline-block;
	font-size: .85rem;
	font-style: italic;
	font-weight: 100;
	margin-top: 2px;
	opacity: .5;
	vertical-align: top;
}
#gallery h3::after {
	content: '▶';
	font-family: arial, sans-serif, monospace;
	font-size: .75rem;
    line-height: 1.5;
	margin: 0 0 0 0.5rem;
	vertical-align: top;
}
#gallery .thmbs {
	display: none;
	flex-direction: row;
	flex-wrap: wrap;
	gap: 1rem;
	padding: .5rem 0 1rem;
}
#gallery h3.open + .thmbs { display: flex; }
#gallery h3.open::after {
	content: '▼';
}
#gallery .thmbs img {
	aspect-ratio: 1;
	box-shadow: 0 0 15px rgba(0, 0, 0, .5);
	height: auto;
	object-fit: cover;
	width: 138px;
}
#gallery .thmbs img.full {
	background: rgba(0, 0, 0, 0.8);
	height: 100%;
	left: 0;
	object-fit: contain;
	position: fixed;
	top: 0;
	width: 100vw;
	z-index: 999;
}

@media only screen and (max-width: 800px) {
	#gallery .thmbs img {
		width: 26vw;
	}
}


/* FOOTER */
.site-footer {
    background-color: var(--c-ink);
    border-top: var(--border-thick) solid var(--c-border);
    color: var(--c-bg);
}

.site-footer .contain {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-md);
    justify-content: space-between;
    padding-block: var(--gap-lg);
}

.site-footer a {
    color: var(--c-footer-link);
}

/* RESPONSIVE */
@media (max-width: 56.25rem) {
    .layout {
        gap: var(--space-section);
        grid-template-columns: 1fr;
    }

    .post-card,
    .post-card.feature {
        flex-direction: column;
    }

    .thumb {
        aspect-ratio: 16 / 7;
        border-bottom: var(--border-thick) solid var(--c-border);
        border-right: 0;
        max-width: 100%;
    }

    /* Hamburger replaces the inline nav */
    .hamburger {
        display: flex;
    }

    /* Keep the brand above the overlay so it stays visible */
    .brand {
        position: relative;
        z-index: 60;
    }
    .brand::after { display: none; }

    /* Menu becomes a full-screen overlay, hidden until toggled */
    #menu {
        align-items: center;
        background-color: var(--c-bg);
        flex-direction: column;
        gap: var(--gap-lg);
        inset: 0;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        position: fixed;
        transition: opacity 0.12s ease-out;
        visibility: hidden;
        z-index: 40;
    }

    #menu a {
        font-size: var(--fs-h2);
    }

    .theme-control {
        font-size: var(--fs-body);
    }

    body:has(#nav-toggle:checked) {
        overflow: hidden;
    }

    body:has(#nav-toggle:checked) #menu {
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }

    .site-footer .contain {
        flex-direction: column;
        flex-wrap: nowrap;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}