/* ============================================================
   FONT DECLARATIONS
============================================================ */

@font-face {
  font-family: 'Geogrotesque';
  src: url('fonts/geogrotesque-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geogrotesque';
  src: url('fonts/geogrotesque-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Geogrotesque';
  src: url('fonts/geogrotesque-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Merriweather';
  src: url('fonts/merriweather-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   THEME SYSTEM & PALETTE
============================================================ */

:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6e6e6e;
  
  /* --- SEMANTIC BRAND PALETTE --- */
  --brand-harvard:      #A51C30;
  --brand-dartmouth:    #12312b;
  --brand-chernik:      #567482;
  --brand-penn:         #011F5B;
  --brand-openai:       #660066;
  --brand-greene:       #ba6100;
  --brand-rapoport:     #3b9f01;
  --brand-middlebury:   #0D395F;
  --brand-interlochen:  #76bee5;
  --brand-compass:      #770909;
  
  /* Personal Additions */
  --brand-tom:          #630cb8;
  --brand-linda:        #7e6ed4;

  /* Default Accent */
  --accent: var(--brand-chernik);

  /* Codebox / Tree Variables */
  --code-bg: #f9f9f9;
  --code-text: #2c2c2c;
  --tree-line: #b0b0b0;

  /* --- PORTFOLIO SECTION COLORS (ROYGBIV, bespoke) --- */
  --port-red:    hsl(356, 72%, 52%);  /* portfolio/ */
  --port-orange: hsl(28, 82%, 50%);   /* research/ */
  --port-yellow: hsl(46, 78%, 48%);   /* software/ */
  --port-green:  hsl(142, 52%, 44%);  /* writing/ */
  --port-blue:   hsl(210, 68%, 52%);  /* design/ */
  --port-violet: hsl(268, 60%, 58%);  /* media/ */
  --port-indigo: hsl(248, 44%, 56%);  /* context/ */

  /* Typography Variables */
  --font-geo: "Geogrotesque", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Merriweather", Georgia, "Times New Roman", serif;
}

[data-theme="dark"] {
  --bg: #050505;
  --text: #e0e0e0;
  --muted: #888888;
  
  /* --- DARK MODE ADJUSTMENTS --- */
  --brand-harvard:      #ff4d6d;
  --brand-dartmouth:    #4a8a7b;
  --brand-penn:         #4d8aff;
  --brand-middlebury:   #4d94ff;
  --brand-compass:      #ff4d4d;
  --brand-openai:       #d94dd9;
  --brand-chernik:      #8aaebf;
  --brand-rapoport:     #5ce615;
  
  --brand-tom:          #9e5cff;
  --brand-linda:        #a394ff;

  --accent: var(--brand-interlochen);

  /* Codebox Variables */
  --code-bg: #111111;
  --code-text: #cccccc;
  --tree-line: #444444;

  /* --- PORTFOLIO SECTION COLORS (dark-mode tuned) --- */
  --port-red:    hsl(356, 86%, 64%);
  --port-orange: hsl(28, 92%, 62%);
  --port-yellow: hsl(46, 92%, 62%);
  --port-green:  hsl(142, 62%, 56%);
  --port-blue:   hsl(210, 82%, 66%);
  --port-violet: hsl(268, 72%, 72%);
  --port-indigo: hsl(248, 58%, 70%);
}

/* ============================================================
   BASE / RESET
============================================================ */

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   MENU BAR (FIXED HEADER)
============================================================ */

#menu-bar {
  /* Pinned to the glass. Never moves. */
  position: fixed; 
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  pointer-events: none;
  background: linear-gradient(to bottom, var(--bg) 98%, transparent);
}

.menu-inner {
  width: 100%;
  padding: 1.5rem 4rem 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  pointer-events: auto;
  align-items: start;
}

#title-container {
  position: relative;
  height: 40px;
  width: 160px;
  margin-left: -2rem;
  display: flex;
  align-items: center;
}

#title-text,
#title-logo {
  position: absolute;
  left: 0;
  transition: opacity 0.25s ease;
}

#title-text {
  font-family: var(--font-geo);
  font-weight: 400;
  letter-spacing: 0.05em;
  font-size: 2rem;
  opacity: 0;
  color: var(--text);
}

#title-logo {
  width: 140px;
  opacity: 1;
}

[data-theme="dark"] #title-logo {
  filter: invert(1);
}

#menu-bar nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-self: end;
  font-family: var(--font-geo);
  font-weight: 500;
  font-size: 0.95rem;
  margin-top: 3rem;
  margin-right: -2rem;
}

#menu-bar nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

#menu-bar nav a:hover {
  border-bottom-color: var(--accent);
}

#theme-toggle {
  all: unset;
  cursor: pointer;
  padding: 4px;
}
#theme-toggle:hover {
  color: var(--accent);
}

/* ============================================================
   PAGE LAYOUT & TYPOGRAPHY
============================================================ */

.page {
  /* --- THE INVISIBLE WALL (DESKTOP) --- */
  /* Keeps content to the right of the Portrait + Signature */
  margin-left: 340px; 
  
  /* Pushes text down so it clears the fixed header initially */
  padding-top: 140px; 
  
  padding-right: 4rem; 
  max-width: 65rem;   
  position: relative;
  z-index: 1;
}

.portrait {
  position: fixed;
  left: 2vw;
  top: 18vh;

  width: 260px;
  height: 260px;

  border-radius: 50%;
  object-fit: cover;

  filter: grayscale(100%) contrast(1.1);
  opacity: 0.9;

  transition: filter 0.35s ease, opacity 0.35s ease;
  pointer-events: auto;
  z-index: 0;
}

.portrait:hover {
  filter: grayscale(0%) contrast(1);
  opacity: 1;
}


#intro {
  margin-top: -4.25rem;
  margin-bottom: 0rem;
  position: relative;
  z-index: 2;
}

h2 {
  font-family: var(--font-geo);
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

h4 {
  font-family: var(--font-geo);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 2rem;
}

p {
  max-width: 42rem;
  margin-bottom: 1.25rem;
}

ul {
  max-width: 42rem;
}

/* --- UNIVERSAL LINK STYLING --- */

a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--muted);
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  border-bottom-color: transparent;
  color: var(--accent); /* Fallback */
}

/* --- AUTOMATIC SEMANTIC REVEAL (HOVER ONLY) --- */

/* Harvard semantic group */
a[href*="harvard"]:hover,
a[href*="rapoport"]:hover,
a[href*="forum"]:hover,
a[href*="harbus"]:hover,
a[href*="divinity"]:hover,
.color-harvard:hover { 
  color: var(--brand-harvard) !important; 
  border-color: var(--brand-harvard); 
}

/* Dartmouth */
a[href*="dartmouth"]:hover, a[href*="mindbrain"]:hover, .color-dartmouth:hover { 
  color: var(--brand-dartmouth) !important; 
  border-color: var(--brand-dartmouth); 
}

/* Chernik / Wife */
a[href*="chernik"]:hover, .color-chernik:hover { 
  color: var(--brand-chernik) !important; 
  border-color: var(--brand-chernik); 
}

/* Penn */
a[href*="upenn"]:hover, a[href*="chatlab"]:hover, .color-penn:hover { 
  color: var(--brand-penn) !important; 
  border-color: var(--brand-penn); 
}

/* OpenAI */
a[href*="openai"]:hover, .color-openai:hover { 
  color: var(--brand-openai) !important; 
  border-color: var(--brand-openai); 
}

/* Greene Lab */
a[href*="greene"]:hover, .color-greene:hover { 
  color: var(--brand-greene) !important; 
  border-color: var(--brand-greene); 
}

/* Middlebury */
a[href*="middlebury"]:hover, a[href*="rachelaurora"]:hover, .color-middlebury:hover { 
  color: var(--brand-middlebury) !important; 
  border-color: var(--brand-middlebury); 
}

/* Interlochen */
a[href*="interlochen"]:hover, .color-interlochen:hover { 
  color: var(--brand-interlochen) !important; 
  border-color: var(--brand-interlochen); 
}

/* Tom */
a[href*="dyakcraft"]:hover, .color-tom:hover { 
  color: var(--brand-tom) !important; 
  border-color: var(--brand-tom); 
}

/* Linda */
a[href*="lindadiak"]:hover, .color-linda:hover { 
  color: var(--brand-linda) !important; 
  border-color: var(--brand-linda); 
}

/* Compass */
a[href*="compass"]:hover, .color-compass:hover { 
  color: var(--brand-compass) !important; 
  border-color: var(--brand-compass); 
}


/* ============================================================
   PORTFOLIO (THE STRUCTURED TREE)
============================================================ */

#portfolio {
  background: var(--code-bg);
  padding: 3rem;
  border-radius: 8px;
  margin-bottom: 4rem;
  font-family: var(--font-geo);
  color: var(--code-text);
  font-size: 18px; 
  line-height: 1.5;
  overflow-x: auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

#portfolio h2 {
  font-family: var(--font-geo);
  margin-top: 0;
  border-bottom: 1px solid var(--tree-line);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  font-size: 1.75rem;
}

/* ============================================================
   PORTFOLIO COLOR SYSTEM (TOP-LEVEL + PROGRESSIVE SHADES)
   - Colors the main headers and progressively shades their descendants
   - Keeps leaf files readable (neutral), but gives them tasteful hover color
============================================================ */

/* Ensure label-contained links inherit label color inside the tree */
#portfolio .folder-label a,
#portfolio .file-label a {
  color: inherit;
  border-bottom: 0;
}
#portfolio .folder-label a:hover,
#portfolio .file-label a:hover {
  color: inherit !important;
}

/* Root folder label: portfolio/ */
#portfolio .depth-0 > h5 > .folder-label { 
  color: var(--port-red);
  font-weight: 650;
}

/* Assign each top-level section a base hue (by order). */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(1) { --section-color: var(--port-orange); } /* research/ */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(2) { --section-color: var(--port-yellow); } /* software/ */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(3) { --section-color: var(--port-green);  } /* writing/ */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(4) { --section-color: var(--port-blue);   } /* design/ */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(5) { --section-color: var(--port-violet); } /* media/ */
#portfolio .depth-0 > .folder-content > .folder.depth-1:nth-of-type(6) { --section-color: var(--port-indigo); } /* context/ */

/* Apply section color to the depth-1 label */
#portfolio .depth-0 > .folder-content > .folder.depth-1 > h5 > .folder-label {
  color: var(--section-color, var(--code-text));
  font-weight: 650;
}
#portfolio .depth-0 > .folder-content > .folder.depth-1 > h5 > .folder-label:hover {
  color: var(--section-color, var(--accent));
}

/* Progressive shades by depth: deeper = more neutral (less saturated). */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-2 { --level-color: color-mix(in oklab, var(--section-color) 88%, var(--code-text)); }
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-3 { --level-color: color-mix(in oklab, var(--section-color) 78%, var(--code-text)); }
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-4 { --level-color: color-mix(in oklab, var(--section-color) 68%, var(--code-text)); }
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-5 { --level-color: color-mix(in oklab, var(--section-color) 58%, var(--code-text)); }
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-6 { --level-color: color-mix(in oklab, var(--section-color) 50%, var(--code-text)); }

/* Apply progressive shades to folder labels at depth 2+ */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-2 > h5 > .folder-label,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-3 > h5 > .folder-label,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-4 > h5 > .folder-label,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-5 > h5 > .folder-label,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-6 > h5 > .folder-label {
  color: var(--level-color, var(--code-text));
}

/* Subtle section-aware hover for files (keeps the tree readable). */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file-label:hover {
  color: color-mix(in oklab, var(--section-color) 72%, var(--code-text));
}

/* Tint connector lines within each section, using the appropriate level shade */
#portfolio .depth-0 > .folder-content > .folder.depth-1::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1::after {
  background-color: color-mix(in oklab, var(--section-color, var(--tree-line)), var(--tree-line) 35%);
}

/* depth-2 connectors */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-2::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-2::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-2::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-2::after {
  background-color: color-mix(in oklab, var(--level-color, var(--tree-line)), var(--tree-line) 55%);
}

/* depth-3 connectors */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-3::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-3::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-3::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-3::after {
  background-color: color-mix(in oklab, var(--level-color, var(--tree-line)), var(--tree-line) 62%);
}

/* depth-4+ connectors (slightly more neutral) */
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-4::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-4::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-4::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-4::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-5::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-5::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-5::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-5::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-6::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .folder.depth-6::after,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-6::before,
#portfolio .depth-0 > .folder-content > .folder.depth-1 .file.depth-6::after {
  background-color: color-mix(in oklab, var(--level-color, var(--tree-line)), var(--tree-line) 70%);
}

/* ============================================================
   TREE LOGIC
============================================================ */

.folder-content,
.file-content {
  margin-left: 28px;
  display: none;
}

.folder-content.open,
.file-content.open {
  display: block;
}

.folder,
.file {
  position: relative;
}

.folder-content > .folder::before,
.folder-content > .file::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--tree-line);
}

.folder-content > .folder::after,
.folder-content > .file::after {
  content: "";
  position: absolute;
  left: -28px;
  top: 14px;
  width: 20px;
  height: 1px;
  background-color: var(--tree-line);
}

.folder-content > .folder:last-child::before,
.folder-content > .file:last-child::before {
  height: 15px;
  bottom: auto;
}

/* LABELS & TYPOGRAPHY */

.folder-label,
.file-label {
  all: unset;
  cursor: pointer;
  font-weight: 500;
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.15s ease;
  color: var(--code-text);
}

.folder-label:hover,
.file-label:hover {
  background: rgba(0,0,0,0.04);
}
[data-theme="dark"] .folder-label:hover, 
[data-theme="dark"] .file-label:hover {
  background: rgba(255,255,255,0.1);
}

.folder > h5,
.file > h5 {
  margin: 0;
  padding: 3px 0;
  font-size: inherit;
  font-weight: normal;
}

/* CONTENT */

.file-content {
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 300;
  padding-left: 0;
  margin-top: 4px;
  margin-bottom: 8px;
}

.file-content p {
  margin: 0;
  max-width: 100%;
}

.comment {
  font-style: italic;
  opacity: 0.7;
}

.depth-0::before,
.depth-0::after {
  display: none !important;
}

@keyframes treeExpand {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.folder-content.open,
.file-content.open {
  animation: treeExpand 0.2s ease-out;
}

/* ============================================================
   FOOTER
============================================================ */
footer {
  margin: 4rem auto 2rem;
  text-align: center;
  font-family: var(--font-geo);
  color: var(--muted);
  font-size: 0.85rem;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 900px) {
  /* HIDE PORTRAIT (User requested behavior for small screens) */
  .portrait { display: none; }
  
  .menu-inner {
    padding: 1rem 1.5rem;
    grid-template-columns: 1fr auto;
  }
  
  #title-container { margin-left: 0; }
  #menu-bar nav { margin-right: 0; margin-top: 0; }

  /* --- MODIFIED MOBILE LAYOUT --- */
  .page { 
    /* WE KEEP THE INVISIBLE WALL FOR THE SIGNATURE 
       Instead of resetting to 0 auto, we reduce it to ~170px 
       to ensure text clears the signature. */
    margin-left: 170px;
    
    padding-top: 120px; 
    padding-right: 2rem;
  }
  
  #portfolio {
    padding: 1.5rem;
    font-size: 16px; 
  }
  
  h2 { font-size: 1.75rem; }
}

/* --- OPTIONAL: EXTRA SMALL SCREENS (Phones) --- 
   If the screen is truly too narrow (< 600px), 170px margin 
   might break the layout. We force a stack here. */
@media (max-width: 600px) {
  .page {
    margin-left: 1.5rem; /* Reset wall for phones */
    padding-top: 160px; /* Push down further to clear signature vertically */
    padding-right: 1.5rem;
  }
}