/* ============================================================
   brycemaxheimer.com  -  shared stylesheet
   Adopts the "sage" theme palette from the user's web-app:
   deep teal-black surfaces, mint accents (mint-deep as primary
   for darker green), coral and amber for warm punctuation.
   Layout: classic top nav PLUS Chiang-style sticky-sidebar
   on the homepage (.dynamic-shell). Sub-pages keep their
   single-column structure and inherit the new palette.
   ============================================================ */

:root {
    /* Surface - deep teal-tinted black */
    --bg-0:         #071512;
    --bg-1:         #091813;
    --bg-2:         #0f231c;
    --bg-3:         #183229;

    --bg:           var(--bg-0);
    --bg-deep:      #050f0d;
    --surface:      var(--bg-2);
    --surface-2:    var(--bg-3);

    /* Lines - subtle mint-tinted borders */
    --line:         rgba(157, 223, 199, 0.16);
    --line-strong: rgba(157, 223, 199, 0.30);
    --border:       var(--line);
    --border-strong:var(--line-strong);

    /* Ink */
    --text-0:       #f4fbf6;
    --text-1:       #d4e5dc;
    --text-2:       #90ac9d;
    --text-3:       #688679;

    --text:         var(--text-0);
    --text-soft:    var(--text-1);
    --muted:        var(--text-2);
    --muted-deep:   var(--text-3);

    /* Accents */
    --mint:         #8bf0c3;
    --mint-deep:    #46d09a;
    --mint-darker:  #2a9b71;
    --amber:        #e9c66d;
    --coral:        #ef9273;
    --lava-deep:    #a02a1e;

    /* Code */
    --code-bg:      var(--bg-deep);
    --code-text:    #c4e5d5;

    /* Type */
    --font-sans:    -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
    --font-mono:    ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Courier New", monospace;

    /* Layout */
    --max-width:        780px;
    --max-width-wide:   1100px;
    --radius:           6px;
    --radius-lg:        12px;
    --radius-xl:        20px;
    --header-h:         62px;

    /* Aliases for legacy inline page styles (resume/projects/kql) */
    --accent:       var(--mint-deep);
    --accent-2:     var(--coral);
    --warning:      var(--amber);
    --forest:       var(--mint-darker);
    --forest-light: var(--mint-deep);
    --forest-deep:  var(--mint-deep);
    --terra:        var(--coral);
    --terra-soft:   var(--coral);
    --terra-deep:   var(--coral);
    --gold:         var(--amber);
    --blue:         var(--mint-deep);
    --blue-deep:    var(--mint-darker);
    --blue-bright:  var(--mint);
    --sage:         var(--mint-deep);
    --sage-deep:    var(--mint-darker);
    --sage-bright:  var(--mint);
    --clay:         var(--coral);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background-color: var(--bg-0);
    color: var(--text-0);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;

    /* Subtle radial atmosphere - mint glow top-left, lava warm bottom-right.
       Restrained: low opacity, fixed attachment so it doesn't scroll. */
    background-image:
        radial-gradient(720px 480px at 8% 0%,    rgba(139, 240, 195, 0.06), transparent 60%),
        radial-gradient(540px 320px at 96% 12%,  rgba(160, 42, 30, 0.08),   transparent 58%),
        radial-gradient(620px 280px at 80% 100%, rgba(160, 42, 30, 0.06),   transparent 68%);
    background-attachment: fixed, fixed, fixed;
}

/* Links - mint with extending underline on hover */
a {
    color: var(--mint-deep);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
a:hover {
    color: var(--mint);
    border-bottom-color: var(--mint-deep);
}

.container,
.container-wide {
    margin: 0 auto;
    padding: 0 1.5rem;
}
.container      { max-width: var(--max-width); }
.container-wide { max-width: var(--max-width-wide); }
main { padding: 2rem 0 5rem; }

/* ------------------------------------------------------------
   Top nav (kept across all pages)
   ------------------------------------------------------------ */
.site-header {
    background: rgba(7, 21, 18, 0.78);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 50;
}
.site-header .container,
.site-header .container-wide {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

.brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--text-0);
    text-decoration: none;
    letter-spacing: -0.005em;
    border: none;
}
.brand:hover { color: var(--mint-deep); border: none; }
.brand .prompt { display: none; }

.nav {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-family: var(--font-sans);
}
.nav a {
    color: var(--text-2);
    font-size: 0.92rem;
    border: none;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
.nav a:hover {
    color: var(--text-0);
    border-bottom-color: var(--mint-deep);
}
.nav a.active {
    color: var(--mint-deep);
    border-bottom-color: var(--mint-deep);
}

/* ------------------------------------------------------------
   Headings
   ------------------------------------------------------------ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--text-0);
    line-height: 1.2;
    letter-spacing: -0.015em;
}
h1 {
    font-size: 2.1rem;
    font-weight: 700;
    margin: 0.5rem 0 1rem;
}
h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--line);
}
h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}
h4 {
    font-size: 0.96rem;
    font-weight: 600;
    margin: 1.2rem 0 0.4rem;
    color: var(--text-1);
}

p { margin: 0 0 1rem; }
strong { color: var(--text-0); font-weight: 600; }
em { color: var(--text-1); font-style: italic; }

/* ------------------------------------------------------------
   Code
   ------------------------------------------------------------ */
code {
    font-family: var(--font-mono);
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.12rem 0.4rem;
    border-radius: 3px;
    font-size: 0.88em;
    border: 1px solid var(--line);
}
pre {
    background: var(--code-bg);
    color: var(--code-text);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    overflow-x: auto;
    font-size: 0.88rem;
    line-height: 1.55;
}
pre code { background: none; border: none; padding: 0; color: var(--code-text); }

/* ------------------------------------------------------------
   Quotes
   ------------------------------------------------------------ */
blockquote {
    border-left: 3px solid var(--mint-deep);
    margin: 1.4rem 0;
    padding: 0.5rem 1.2rem;
    color: var(--text-1);
    font-style: italic;
    background: rgba(70, 208, 154, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
}
blockquote strong { font-style: normal; color: var(--mint); }

hr { border: none; height: 1px; background: var(--line); margin: 2rem 0; }

/* ------------------------------------------------------------
   Hero (used on sub-pages only; homepage uses .dynamic-shell)
   ------------------------------------------------------------ */
.hero {
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid var(--line);
    margin-bottom: 1.5rem;
}
.hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin: 0 0 0.6rem;
    letter-spacing: -0.02em;
}
.hero h1 .cursor { display: none; }
.hero .tagline {
    color: var(--text-1);
    font-size: 1.08rem;
    line-height: 1.6;
    max-width: 60ch;
}

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card-list {
    display: grid;
    gap: 0.9rem;
    padding: 0;
    list-style: none;
}
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.4rem;
    transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.card:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
    transform: translateY(-1px);
}
.card h3 { margin: 0 0 0.4rem; color: var(--text-0); font-size: 1.05rem; }
.card h3 a { color: var(--text-0); border: none; }
.card h3 a:hover { color: var(--mint); border: none; }
.card .meta {
    color: var(--text-2);
    font-size: 0.85rem;
    letter-spacing: 0.01em;
    font-family: var(--font-mono);
}
.card .summary {
    color: var(--text-1);
    margin: 0.5rem 0 0;
    font-size: 0.95rem;
    line-height: 1.55;
}

/* Tags */
.tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    color: var(--mint-deep);
    border: 1px solid var(--line-strong);
    background: rgba(70, 208, 154, 0.08);
    padding: 0.12rem 0.55rem;
    border-radius: 999px;
    margin-right: 0.3rem;
    margin-top: 0.5rem;
    letter-spacing: 0.02em;
}

/* ------------------------------------------------------------
   Article (blog post)
   ------------------------------------------------------------ */
article.post { font-size: 1rem; }
article.post .meta {
    color: var(--text-2);
    font-size: 0.88rem;
    margin-bottom: 1.8rem;
}
article.post img {
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--line);
}
article.post p { margin: 0 0 1.1rem; color: var(--text-1); }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 2rem 0;
    color: var(--text-2);
    font-size: 0.88rem;
    text-align: center;
    margin-top: 3rem;
    font-family: var(--font-mono);
}
.site-footer a { color: var(--text-2); border: none; }
.site-footer a:hover { color: var(--mint-deep); border: none; }

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
    display: inline-block;
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--text-0);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: all 0.15s;
    cursor: pointer;
}
.btn:hover {
    border-color: var(--mint-deep);
    background: var(--surface-2);
    color: var(--mint);
}
.btn-primary {
    background: var(--mint-deep);
    border-color: var(--mint-deep);
    color: var(--bg-0);
    font-weight: 600;
}
.btn-primary:hover {
    background: var(--mint);
    border-color: var(--mint);
    color: var(--bg-0);
}

.kbd {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.1rem 0.4rem;
    background: var(--surface-2);
    border: 1px solid var(--line-strong);
    border-bottom-width: 2px;
    border-radius: 3px;
    color: var(--text-0);
}

/* ============================================================
   DYNAMIC HOMEPAGE - Chiang-style two-column layout
   Top nav stays sticky at top. Below it, a two-column layout
   with sticky left sidebar (hero info + in-page nav + socials)
   and scrolling right content (about / experience / projects /
   recognition).
   ============================================================ */

.dynamic-shell {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 4rem;
}

@media (max-width: 900px) {
    .dynamic-shell {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2rem 1.25rem 4rem;
    }
}

/* -- Sidebar (sticky on desktop, static on mobile) -- */
.hero-sidebar {
    align-self: start;
}

@media (min-width: 901px) {
    .hero-sidebar {
        position: sticky;
        top: calc(var(--header-h) + 1rem);
        max-height: calc(100vh - var(--header-h) - 2rem);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding-top: 0.5rem;
    }
}

.hero-sidebar h1 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 700;
    margin: 0 0 0.4rem;
    letter-spacing: -0.025em;
    color: var(--text-0);
    line-height: 1.05;
}

.hero-sidebar h2 {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0 0 1rem;
    color: var(--mint-deep);
    border: none;
    padding: 0;
    letter-spacing: 0;
}

.hero-sidebar .tagline {
    color: var(--text-1);
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: 36ch;
    margin: 0 0 2rem;
}

/* In-page section nav with growing-line indicator */
.section-nav {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin: 2rem 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.section-nav a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.4rem 0;
    color: var(--text-3);
    text-decoration: none;
    border: none;
    transition: color 0.2s;
}
.section-nav a::before {
    content: "";
    display: inline-block;
    width: 30px;
    height: 1px;
    background: var(--text-3);
    transition: width 0.25s ease, background-color 0.25s;
}
.section-nav a:hover,
.section-nav a:focus {
    color: var(--text-0);
    border: none;
}
.section-nav a:hover::before,
.section-nav a:focus::before {
    width: 60px;
    background: var(--text-0);
}
.section-nav a.is-active {
    color: var(--mint-deep);
}
.section-nav a.is-active::before {
    width: 60px;
    background: var(--mint-deep);
}

/* Social / quick-link icons row */
.hero-socials {
    display: flex;
    gap: 1rem;
    margin-top: 2.2rem;
    align-items: center;
}
.hero-socials a {
    color: var(--text-2);
    border: none;
    transition: color 0.15s, transform 0.15s;
    display: inline-flex;
    align-items: center;
    padding: 0.3rem;
}
.hero-socials a:hover {
    color: var(--mint-deep);
    border: none;
    transform: translateY(-2px);
}
.hero-socials a svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* -- Right column: scrolling content with sections -- */
.hero-content section {
    margin-bottom: 4rem;
}
.hero-content section:last-child {
    margin-bottom: 0;
}
.hero-content section h3.section-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mint-deep);
    margin: 0 0 1rem;
    display: none;
}
@media (max-width: 900px) {
    .hero-content section h3.section-title { display: block; }
}

/* Experience timeline - card-style entries */
.exp-entry {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1.5rem;
    padding: 1.2rem 0;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    transition: background 0.15s;
}
.exp-entry:hover {
    background: rgba(15, 35, 28, 0.4);
}
.exp-entry .date {
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    padding-top: 0.15rem;
    text-transform: uppercase;
}
.exp-entry h4 {
    font-family: var(--font-display);
    font-size: 1.02rem;
    margin: 0 0 0.15rem;
    color: var(--text-0);
}
.exp-entry h4 .role-org {
    color: var(--mint-deep);
}
.exp-entry .summary {
    color: var(--text-1);
    font-size: 0.94rem;
    line-height: 1.6;
    margin: 0.3rem 0 0;
}
.exp-entry .stack {
    margin-top: 0.7rem;
}
.exp-entry .stack .tag {
    margin-top: 0;
    margin-right: 0.25rem;
}

@media (max-width: 600px) {
    .exp-entry {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
}

/* Project cards in homepage layout */
.proj-card {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1.5rem;
    padding: 1.2rem 0;
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    transition: background 0.15s;
}
.proj-card:hover {
    background: rgba(15, 35, 28, 0.4);
}
.proj-card .label {
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    padding-top: 0.2rem;
    text-transform: uppercase;
}
.proj-card h4 {
    font-family: var(--font-display);
    font-size: 1.02rem;
    margin: 0 0 0.15rem;
}
.proj-card h4 a { color: var(--text-0); border: none; }
.proj-card h4 a:hover { color: var(--mint); }
.proj-card .summary {
    color: var(--text-1);
    font-size: 0.94rem;
    line-height: 1.6;
    margin: 0.3rem 0 0.5rem;
}

@media (max-width: 600px) {
    .proj-card { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* CTA "view full resume" link at end of experience */
.section-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    color: var(--text-0);
    font-weight: 500;
    border-bottom: 1px solid var(--mint-deep);
    padding-bottom: 2px;
    transition: color 0.15s, gap 0.15s;
}
.section-cta:hover {
    color: var(--mint);
    border-bottom-color: var(--mint);
    gap: 0.7rem;
}
.section-cta::after { content: "→"; font-family: var(--font-mono); }

/* ------------------------------------------------------------
   Mobile
   ------------------------------------------------------------ */
@media (max-width: 640px) {
    body { font-size: 15.5px; }
    .hero h1 { font-size: 1.95rem; }
    h1 { font-size: 1.7rem; }
    h2 { font-size: 1.2rem; }
    .nav { gap: 0.9rem; }
    .nav a { font-size: 0.86rem; }
    .container { padding: 0 1rem; }
    main { padding: 1.5rem 0 3rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    html { scroll-behavior: auto; }
}