html,
body {
    height: 90%;
    margin: 0;
    /* reset */
    padding: 0;
    /* reset */
}

html {
    overflow-y: auto;
    /* always evaluate vertical scrolling */
    scrollbar-gutter: stable;
    /* reserve space even if no scroll */
}




/* ensure 100% works everywhere */
body {
    display: flex;
    flex-direction: column;
    padding: 5%;
}

.loading {
    opacity: .7;
    font-style: italic;
    padding: 1rem 0;
}

.nav a {
    margin-right: 1rem;
    text-decoration: none;
}

.nav a.active {
    font-weight: 600;
    border-bottom: 2px solid currentColor;
}

main {
    flex: 1 0 auto;
    padding: 1.25rem;

}

:root {
    --if-blue: #0069bb;
    --bg: #0b0f14;
    --surface: #121823;
    --text: #e6edf3;
    --muted: #9aa4b2;
    --square-bg: #000;

}

:root {
    --bg-color: #0b0f14;
}

/* default */
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7f9fc;
        --surface: #ffffff;
        --text: #111827;
        --muted: #4b5563;
        --square-bg: #000;
    }
}

/* Explicit theme overrides — these WIN over the media query */
:root[data-theme="dark"] {
    --muted: #0069bb;
    --bg: #0b0f14;
    --surface: #121823;
    --text: #e6edf3;
    --muted: #9aa4b2;
    --square-bg: #fff;
}

:root[data-theme="light"] {
    --muted: #0069bb;
    --bg: #f7f9fc;
    --surface: #ffffff;
    --text: #111827;
    --muted: #4b5563;
}

/* (Optional) help native form controls match */
:root {
    color-scheme: light dark;
}

:root[data-theme="dark"] {
    color-scheme: dark;
}

:root[data-theme="light"] {
    color-scheme: light;
}


/* Typography */
body {
    font-family: "Inter", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
}

.mono,
code,
kbd {
    font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Background vibe */
body {
    background-color: var(--bg-color);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: var(--muted);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}


/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: saturate(120%) blur(8px);
    background: color-mix(in hsl, var(--bg) 85%, transparent);
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    padding: 0 1.25rem;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

/* Brand */
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: .2px;
    color: var(--text);
    text-decoration: none;
}

.toggle-square {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: var(--square-bg);
    border-radius: 3px;
    margin-right: 8px;
}

/* Nav links */
.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    margin-left: 18px;
    font-weight: 600;
    opacity: .9;
    color: var(--text);
    text-decoration: none;
}

.nav-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.nav-links a.is-active {
    color: var(--muted);
    text-decoration: none;
    border-bottom: 2px solid var(--muted);
}

/* Theme toggle */
.theme-toggle {
    margin-left: 14px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, .12);
    background: transparent;
    color: var(--text);
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 600;
}

.theme-toggle:focus {
    outline: 2px solid rgba(0, 105, 187, .5);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 640px) {
    .nav-links a {
        margin-left: 12px;
    }
    body {
        padding:0;
    }
}

/* FOOTER */
.site-footer {
    /* margin-top: auto; */
    /* key line */
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 32px 0 48px;
    color: var(--muted);
    background: color-mix(in hsl, var(--bg) 85%, transparent);
    font-size: 14px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.foot-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 20px;
}

.foot-left strong {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.mantra {
    margin: 6px 0 10px;
    font-size: 13px;

}

.site-footer .meta.mantra {
  grid-column: 1 / -1; /* make it span full grid width */
  display: flex;
  justify-content: center;   /* center the group as a whole */
  gap: 2rem;                 /* spacing between items */
  text-align: center;
  margin-top: 1rem;
}

.contact a {
    color: var(--muted);
    font-weight: 600;
    text-decoration: none;
}

.contact a:hover {
    text-decoration: underline;
}

.foot-right {
    text-align: right;
}

.social {
    display: flex;
    gap: 16px;
    margin-bottom: 8px;
}

.social a {
    color: var(--text);
    opacity: 0.85;
    font-weight: 500;
    text-decoration: none;
}

.social a:hover {
    opacity: 1;
    color: var(--muted);
}

.copyright {
    font-size: 12px;

}

/* Responsive */
@media (max-width: 700px) {
    .foot-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .foot-right {
        text-align: left;
    }
}

#main-content {
    background: color-mix(in hsl, var(--bg) 75%, transparent);
}

.btn {
    display: inline-block;
    color: var(--bg);
    font-weight: 600;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.2s ease-in-out;
    border: 2px solid var(--muted);
}

.btn:hover {

    text-decoration: none;
    color: var(--muted);
}

.btn-primary {
    background: var(--surface);
    color: var(--muted);
}

.btn-secondary {
    color: var(--muted);
    background: var(--surface);

}

.info {
    background-color: var(--surface);
    border-left: 4px solid var(--if-blue);
    padding: 12px 16px;
    margin: 20px 0;
    color: var(--text);
}

.eyebrow {
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
    color: var(--muted);
    border-radius: 5px;
    background-color: var(--bg);
    padding: 4px 8px;
    opacity: 0.8;
}

/* Hamburger button */
.nav-toggle {
    display: none;
    border: 1px solid rgba(255, 255, 255, .15);
    background: transparent;
    color: var(--text);
    padding: 8px 10px;
    border-radius: 10px;
    cursor: pointer;
}

.nav-toggle:focus-visible {
    outline: 2px solid rgba(0, 105, 187, .5);
    outline-offset: 2px;
}

.nav-toggle-box {
    display: inline-block;
    width: 22px;
    height: 16px;
    position: relative;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: currentColor;
    content: "";
    transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle-bar {
    top: 50%;
    transform: translateY(-50%);
}

.nav-toggle-bar::before {
    top: -6px;
}

.nav-toggle-bar::after {
    top: 6px;
}

/* Mobile layout */
@media (max-width: 780px) {
    .nav {
        gap: 10px;
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    /* Collapse the links by default */
    .nav-links {
        display: block;
        /* allow block flow when shown */
        width: 100%;
        background: color-mix(in hsl, var(--bg) 92%, transparent);
        border: 1px solid rgba(255, 255, 255, .08);

        padding: 10px;
    }

    /* Hidden state uses [hidden] attribute */
    .nav-links[hidden] {
        display: none !important;
    }

    .nav-links a,
    .nav-links .theme-toggle {
        display: block;
        padding: 10px 8px;
        margin: 0;
        /* override desktop spacing */
        width: 100%;
        text-align: left;
    }

    /* When menu is open, animate to "X" */
    .nav-toggle[aria-expanded="true"] .nav-toggle-bar {
        transform: translateY(-50%) rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
        transform: rotate(-90deg) translateX(-6px);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
        opacity: 0;
    }
}


/* --- Off-canvas mobile nav --- */
@media (max-width: 780px) {

    /* Keep header compact */
    .site-header .nav {
        align-items: center;
    }

    /* Drawer panel */
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 86vw);
        padding: 16px;
        background: color-mix(in hsl, var(--bg) 96%, transparent);
        border-left: 1px solid rgba(255, 255, 255, .08);
        box-shadow: -16px 0 32px rgba(0, 0, 0, .35);
        z-index: 1000;

        /* slide-in baseline (hidden state uses transform off-screen) */
        transform: translateX(100%);
        transition: transform .25s ease;
    }

    /* Optional: page scrim (click to close) using a pseudo element */
    .nav-links::before {
        content: "";
        position: fixed;
        inset: 0;
        /* full viewport */
        opacity: 0;
        pointer-events: none;
        z-index: -1;
        /* behind the panel */
        transition: opacity .2s ease;
    }

    /* When the button says expanded=true, reveal the drawer */
    .nav-toggle[aria-expanded="true"]+.nav-links {
        transform: translateX(0);
    }

    .nav-toggle[aria-expanded="true"]+.nav-links::before {
        opacity: 1;
        pointer-events: auto;
    }

    /* We no longer need hidden to collapse header height; it just controls render */
    .nav-links[hidden] {
        display: block;
    }

    /* allow it to exist off-canvas when closed */

    /* Stack links nicely inside drawer */
    .nav-links a,
    .nav-links .theme-toggle {
        display: block;
        width: 100%;
        padding: 12px 8px;
        margin: 0;
        text-align: left;
    }

    /* Hamburger visible on mobile */
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        z-index: 1001;
        /* above scrim */
    }

    /* Reduce motion preference */
    @media (prefers-reduced-motion: reduce) {
        .nav-links {
            transition: none;
        }

        .nav-links::before {
            transition: none;
        }
    }
}

/* Optional: prevent body scroll when menu open */
body[data-menu-open="true"] {
    overflow: hidden;
}

/* Mobile: center the headshot in flow */
.headshot {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 16px 0;
}

.headshot img {
    display: block;
    width: clamp(160px, 28vw, 260px);
    height: auto;
    border-radius: 12px;
    /* optional polish */
}

/* Desktop: float to upper-right of the text */
@media (min-width: 781px) {
    .headshot {
        display: block;
        /* reset the flex */
        float: right;
        margin: 0 0 16px 24px;
        /* space from text (left & bottom) */
    }

    /* Clear the float after the section to keep layout intact */
    .about::after {
        content: "";
        display: table;
        clear: both;
    }
}


/* Pill lists */
.pills {
    max-width: 600px;
    list-style: none;
    margin: 16px 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    /* spacing between pills */
}

.pills li {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid var(--muted);
    white-space: nowrap;
    transition: background-color .2s ease, color .2s ease;
}

.pills li:hover {
    background-color: var(--surface);
    color: var(--muted);
    border-color: var(--if-blue);
    cursor: default;
}



.headshot {
    display: flex;
    justify-content: center;
    /* center image on mobile */
    margin: 16px 0;
}

.headshot img {
    display: block;
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    /* optional */
}

/* Desktop: float left with spacing */
@media (min-width: 781px) {
    .headshot {
        float: left;
        display: block;
        /* reset flex */
        margin: 0 24px 16px 0;
        /* right & bottom spacing from text */
    }
}

/* Icon paragraph wrapper */
.methodology .with-icon {
    position: relative;
    padding-left: 80px;
    /* space for icon */
    padding-top: 20px;
    margin-bottom: 1.5rem;
}

/* Shared icon style */
.methodology .with-icon::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 48px;
    color: var(--muted);
    position: absolute;
    left: 0;
    top: 0.1em;
}

/* Specific icons */
.methodology .handshake::before {
    content: "\f2b5";
}

/* handshake */
.methodology .bolt::before {
    content: "\f0e7";
}

/* seedling */
.methodology .seedling::before {
  content: "\f4d8"; 
}

/* bolt */
.methodology .brain::before {
    content: "\f5dc";
}

/* brain */

.external::after {
    font-family: "Font Awesome 6 Free";
    content: "\f0ac";
    font-weight: 900;
    margin-left: 4px;
}

.mailto::after {
    font-family: "Font Awesome 6 Free";
    content: "\f0e0";
    font-weight: 900;
    margin-left: 4px;
}
#themeToggle {
  width: 50px;
  height: 24px;
  border-radius: 12px;
  background: #ccc;
  position: relative;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: flex-start; /* start position */
  padding: 0 4px;
  transition: background 0.3s;
}
#themeToggle.dark {
  justify-content: flex-end; /* slide icon to right */
  background: #555;
}
#themeToggle i {
  font-size: 14px;
  color: #fff;
  transition: transform 0.3s;
}

/* Modern switch */
.switch {
  inline-size: 52px;
  block-size: 28px;
  border: 0;
  padding: 2px;
  border-radius: 999px;
  background: #cbd5e1;              /* light track */
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  transition: background .25s ease;
  outline: none;
}

.switch:is(:hover,:focus-visible) {
  box-shadow: 0 0 0 3px rgba(0,105,187,.25); /* IF blue focus ring */
}

.switch__track {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.switch__thumb {
  inline-size: 20px;
  block-size: 20px;
  border-radius: 50%;
  background: #fff;
  transform: translateX(0);
  transition: transform .25s ease;
  will-change: transform;
}

/* Dark (on) state */
.switch.is-dark {
  background: #475569;              /* dark track */
}
.switch.is-dark .switch__thumb {
  transform: translateX(24px);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .switch, .switch__thumb { transition: none; }
}