/* ==============================
   Custom Properties
   ============================== */

:root {
  /* Colors — warm palette inspired by Anthropic */
  --color-black: #131314;
  --color-white: #faf9f6;
  --color-accent: #d97757;
  --color-gray-700: #5c5850;
  --color-gray-500: #8a857d;
  --color-gray-300: #c4c0b8;
  --color-gray-200: #e2dfd8;
  --color-gray-100: #f0eee9;
  --color-gray-50: #f5f4f0;

  /* Typography */
  --font-stack: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-heading: 'Libre Baskerville', Georgia, serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* Line heights */
  --leading-tight: 1.15;
  --leading-base: 1.45;
  --leading-relaxed: 1.6;

  /* Spacing */
  --space-1: 0.375rem;
  --space-2: 0.75rem;
  --space-3: 1.125rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 2.5rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;

  /* Layout */
  --topbar-height: 3.5rem;
  --content-max-width: 54rem;
}

/* ==============================
   Reset
   ============================== */

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

/* ==============================
   Hidden attribute override
   ============================== */

[hidden] {
  display: none !important;
}

/* ==============================
   Base
   ============================== */

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-black);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.06em;
}

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

::selection {
  background: rgba(217, 119, 87, 0.25);
}

/* ==============================
   Skip Link
   ============================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-1) var(--space-2);
  z-index: 200;
  font-size: var(--text-sm);
}

.skip-link:focus {
  top: var(--space-1);
}

/* ==============================
   Site Layout (Sidebar + Content)
   ============================== */

.site-layout {
  display: flex;
  min-height: 100vh;
}

/* ==============================
   Topbar
   ============================== */

.site-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-3);
  border-bottom: 1px solid var(--color-gray-200);
  background: var(--color-white);
  z-index: 25;
}

.site-topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-topbar__logo {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

#logo-canvas {
  display: block;
}

.site-topbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-topbar__link {
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color 0.15s;
}

.site-topbar__link:hover {
  color: var(--color-black);
  text-decoration: none;
}

.site-topbar__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  line-height: 1;
}

.site-topbar__menu-btn span {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-black);
  margin-bottom: 4px;
}

.site-topbar__menu-btn span:last-child {
  margin-bottom: 0;
}

/* ==============================
   Copy Resume Button
   ============================== */

.copy-resume-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  font-family: var(--font-stack);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-gray-700);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
  margin-bottom: var(--space-6);
}

.copy-resume-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-black);
}

.copy-resume-btn--copied {
  color: var(--color-black);
  border-color: var(--color-black);
}

/* ==============================
   Main Content Area
   ============================== */

.site-main {
  padding-top: var(--topbar-height);
  flex: 1;
  min-height: 100vh;
}

.site-main .container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

/* ==============================
   Footer
   ============================== */

.site-footer {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
  font-size: var(--text-xs);
  color: var(--color-gray-700);
  border-top: 1px solid var(--color-gray-200);
}

/* ==============================
   Docs Sections (Landing Page)
   ============================== */

.docs-section {
  scroll-margin-top: calc(var(--topbar-height) + var(--space-8));
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.docs-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.docs-section__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 500;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
}

.docs-section__content {
  line-height: var(--leading-relaxed);
}

.docs-section__content p {
  margin-bottom: var(--space-3);
}


/* ==============================
   Article Content (rendered Markdown)
   ============================== */

.article-body {
  max-width: none;
}

.article-body h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 500;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 500;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  line-height: var(--leading-tight);
}

.article-body p {
  margin-bottom: var(--space-3);
  line-height: var(--leading-relaxed);
}

.article-body a {
  color: var(--color-black);
  text-decoration: underline;
}

.article-body a:hover {
  text-decoration: none;
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-3);
}

.article-body li {
  margin-bottom: var(--space-1);
  line-height: var(--leading-relaxed);
}

.article-body blockquote {
  border-left: 4px solid var(--color-black);
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-black);
  font-style: italic;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-gray-100);
  padding: 0.125em 0.375em;
  border-radius: 0;
}

.article-body pre {
  position: relative;
  margin-bottom: var(--space-3);
  padding: var(--space-3);
  background-color: var(--color-gray-100);
  overflow-x: auto;
  border-radius: 0;
  border: 1px solid var(--color-gray-200);
}

.article-body pre code {
  background: none;
  padding: 0;
  font-size: var(--text-sm);
}

.article-body img {
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}

.article-body hr {
  border: none;
  border-top: 2px solid var(--color-black);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

/* ==============================
   Error / 404
   ============================== */

.error-page__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.error-page__message {
  font-size: var(--text-lg);
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

/* ==============================
   Accessibility
   ============================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 3px;
}

/* ==============================
   Reduced Motion
   ============================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==============================
   Responsive
   ============================== */

@media (max-width: 768px) {
  .site-topbar__menu-btn {
    display: block;
  }

  .site-topbar__nav {
    display: none;
    position: absolute;
    top: var(--topbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-2) 0;
  }

  .site-topbar__nav--open {
    display: flex;
  }

  .site-topbar__link {
    padding: var(--space-2) var(--space-3);
  }
}


/* ==============================
   Resume
   ============================== */

.resume-body hr {
  display: none;
}

.resume-body h1 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 500;
  line-height: var(--leading-tight);
  margin-bottom: 0.25rem;
}

.resume-body h1 + p {
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

.resume-body h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  padding-bottom: 0;
  border-bottom: none;
}

.resume-body h3 {
  margin-top: var(--space-4);
  margin-bottom: 0.25rem;
}

.resume-body h3 + p {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
}

.resume-body h3 a {
  color: var(--color-black);
}

.resume-body h3 + p:not(:has(strong)) {
  font-size: var(--text-base);
  color: var(--color-black);
}

.resume-body ul {
  margin-top: var(--space-1);
}