/* ==========================================================================
   anmolkanitkar.com
   Single stylesheet, no preprocessor. Order: tokens → reset → primitives →
   layout → components → responsive.
   ========================================================================== */

/* --- Design tokens -------------------------------------------------------
   Light is the default; the dark palette is swapped in via prefers-color-scheme
   below. Every colour used anywhere in this file comes from a variable, so the
   dark override is a single block rather than a parallel stylesheet.
   -------------------------------------------------------------------------- */
:root {
    --bg:            #fdfdfc;
    --bg-alt:        #f4f4f2;
    --surface:       #ffffff;
    --text:          #16181d;
    --text-muted:    #5b6270;
    --border:        #e3e5ea;
    --accent:        #4f46e5;
    --accent-hover:  #4338ca;
    --accent-soft:   #eef2ff;
    --on-accent:     #ffffff;
    --todo-bg:       #fff2a8;
    --todo-text:     #4a3c00;

    --shadow-sm: 0 1px 2px rgb(16 18 22 / 6%);
    --shadow-md: 0 4px 16px rgb(16 18 22 / 8%);

    --radius:    12px;
    --radius-sm: 7px;

    --wrap:      1080px;
    --gutter:    24px;

    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
            "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
            "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg:           #101216;
        --bg-alt:       #16191f;
        --surface:      #191d24;
        --text:         #e8eaef;
        --text-muted:   #9aa3b2;
        --border:       #272c35;
        --accent:       #8b8cf8;
        --accent-hover: #a5a6fb;
        --accent-soft:  #1e2130;
        --on-accent:    #14161c;
        --todo-bg:      #5c4a00;
        --todo-text:    #ffe9a3;

        --shadow-sm: 0 1px 2px rgb(0 0 0 / 40%);
        --shadow-md: 0 4px 16px rgb(0 0 0 / 45%);
    }
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

body, h1, h2, h3, p, ul, figure {
    margin: 0;
    padding: 0;
}

ul { list-style: none; }

html {
    scroll-behavior: smooth;
    /* Anchor links land below the sticky header instead of underneath it. */
    scroll-padding-top: 84px;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

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

/* A visible focus ring is the whole reason keyboard navigation is usable.
   :focus-visible keeps it off for mouse clicks without hiding it from tab users. */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
}

/* --- Layout primitives ---------------------------------------------------- */
.wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    padding: 12px 18px;
    background: var(--accent);
    color: var(--on-accent);
    border-radius: 0 0 var(--radius-sm) 0;
    text-decoration: none;
}

.skip-link:focus {
    left: 0;
}

/* --- Header --------------------------------------------------------------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, box-shadow .2s ease;
}

/* Toggled by js/main.js once the page is scrolled — separates the bar from
   content without drawing a permanent line at rest. */
.nav.is-stuck {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 68px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 650;
    letter-spacing: -0.01em;
    margin-right: auto;
}

.logo__mark {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--accent);
    color: var(--on-accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
}

.nav__links {
    display: flex;
    gap: 26px;
}

.nav__links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}

.nav__links a:hover { color: var(--text); }

/* --- Buttons -------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 20px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--on-accent);
    font-size: 15px;
    font-weight: 550;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--on-accent);
}

.btn--ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn--ghost:hover {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--text);
}

.btn--sm {
    padding: 8px 15px;
    font-size: 14px;
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
    padding: clamp(56px, 10vw, 108px) 0 clamp(48px, 8vw, 84px);
}

.hero__inner { max-width: 760px; }

.eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.hero__title {
    font-size: clamp(2.3rem, 6.2vw, 3.85rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
    font-weight: 700;
}

.accent { color: var(--accent); }

.hero__lede {
    margin-top: 22px;
    font-size: clamp(1.02rem, 2.1vw, 1.16rem);
    color: var(--text-muted);
    max-width: 60ch;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

/* --- Sections ------------------------------------------------------------- */
.section {
    padding: clamp(48px, 8vw, 88px) 0;
    border-top: 1px solid var(--border);
}

.section--alt { background: var(--bg-alt); }

.section__grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: clamp(24px, 5vw, 56px);
    align-items: start;
}

.section__title {
    font-size: 1.28rem;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.section__note {
    margin-top: 8px;
    font-size: 14.5px;
    color: var(--text-muted);
}

.section__head--wide {
    max-width: 60ch;
    margin-bottom: 30px;
}

.prose { max-width: 66ch; }
.prose p + p { margin-top: 16px; }
.prose p { color: var(--text-muted); }

/* Unfilled placeholder content. Deliberately loud — anything still highlighted
   when you look at the page is something that must not go live. */
.todo {
    background: var(--todo-bg);
    color: var(--todo-text);
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 550;
}

/* --- Skills --------------------------------------------------------------- */
.skills {
    display: grid;
    gap: 26px;
}

.skills__label {
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 11px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 5px 11px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.5;
}

/* --- Project cards -------------------------------------------------------- */
.cards {
    display: grid;
    /* auto-FILL, not auto-fit: auto-fit collapses the empty tracks, so a single
       card would stretch the full width of the page and look broken. auto-fill
       keeps the tracks, so one card occupies one column and the grid fills in
       naturally as projects are added. */
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.card {
    display: flex;
    flex-direction: column;
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.card:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.card__title {
    font-size: 1.18rem;
    font-weight: 650;
    letter-spacing: -0.012em;
}

.card__blurb { color: var(--text-muted); }

.card__learned {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--border);
    font-size: 15px;
    color: var(--text-muted);
}

.card__learned strong {
    display: block;
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 5px;
    font-weight: 600;
}

.card .tags { margin-top: 18px; }

.card__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    /* Pins the link row to the bottom so cards of different heights line up. */
    margin-top: auto;
    padding-top: 20px;
}

.card__link {
    font-size: 14.5px;
    font-weight: 550;
    text-decoration: none;
}

.card__link:hover { text-decoration: underline; }

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

/* Auto-refreshed repository metadata. Muted because it is supporting evidence,
   not the headline. */
.card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-left: auto;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--text-muted);
}

/* --- Contact -------------------------------------------------------------- */
.contact { max-width: 60ch; }

.contact__lede {
    margin-top: 12px;
    color: var(--text-muted);
}

/* --- Footer --------------------------------------------------------------- */
.footer {
    border-top: 1px solid var(--border);
    padding: 30px 0;
    font-size: 14.5px;
    color: var(--text-muted);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 720px) {
    .section__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* The nav links are the first thing to go: the section anchors are all
       reachable by scrolling, and the name plus CTA still fit one line. */
    .nav__links { display: none; }

    .cards { grid-template-columns: 1fr; }

    .card__stats {
        margin-left: 0;
        width: 100%;
    }
}

@media (max-width: 420px) {
    .logo__word { font-size: 15px; }
    .hero__actions .btn { flex: 1 1 auto; }
}

/* --- Reduced motion ------------------------------------------------------- */
/* Respecting this is not decoration: vestibular disorders make parallax and
   large transforms genuinely unpleasant. Kill motion, keep every state change. */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .card:hover { transform: none; }
}

/* --- Print ---------------------------------------------------------------- */
/* Someone will inevitably print this page or save it as a PDF to attach to an
   application. Make that version readable instead of a wall of dark ink. */
@media print {
    .nav, .skip-link, .hero__actions, #contact .hero__actions { display: none; }

    body {
        background: #fff;
        color: #000;
        font-size: 12pt;
    }

    .card {
        break-inside: avoid;
        border: 1px solid #999;
    }

    a::after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #555;
    }
}