/* ========================================
   ESSAY LAYOUT
   Clean, quiet, reading-focused design
   ======================================== */

:root {
  --essay-fg: #2c2c2c;
  --essay-fg-light: #6b6b6b;
  --essay-fg-faint: #a0a0a0;
  --essay-accent: #a33028;
  --essay-bg-warm: #f7f4f0;
  --essay-bg-cool: #eceef2;
  --essay-quote-bg: rgba(163, 48, 40, 0.05);
  --essay-quote-border: #c25550;
  --essay-link: #6b4c30;

  --font-chinese: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", serif;
  --font-body: 'Source Serif 4', "Noto Serif SC", "Source Han Serif SC", serif;
}

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

html {
  height: 100%;
}

/* ========================================
   BODY & GRADIENT BACKGROUND
   ======================================== */

.essay-body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 2;
  color: var(--essay-fg);
  background: linear-gradient(
    170deg,
    var(--essay-bg-warm) 0%,
    #f5f2ee 30%,
    #f0f0f0 60%,
    var(--essay-bg-cool) 100%
  );
  background-attachment: fixed;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   SUN — Expanding red circle
   ======================================== */

.sun {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
}

/* ========================================
   FALLING ICARUS — Parallax element
   ======================================== */

.icarus-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icarus-figure {
  height: 150vh;
  width: auto;
  opacity: 1;
  will-change: transform;
}

/* ========================================
   SCATTERED FEATHERS — Parallax drift
   ======================================== */

.feathers-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
}

.feather {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: auto;
  opacity: 0;
  will-change: transform, opacity;
}

/* ========================================
   LAYOUT WRAPPER
   ======================================== */

.essay-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 48px 100px;
}

/* ========================================
   NAVIGATION
   ======================================== */

.essay-nav {
  margin-bottom: 80px;
}

.essay-back {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--essay-fg-faint);
  text-decoration: none;
  transition: color 0.2s ease;
}

.essay-back:hover {
  color: var(--essay-fg);
}

/* ========================================
   HEADER
   ======================================== */

.essay-header {
  margin-bottom: 75vh;
  text-align: center;
}

.essay-title {
  font-family: var(--font-chinese);
  font-size: 3.75rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--essay-accent);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.essay-date {
  display: block;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--essay-fg-faint);
  letter-spacing: 0.15em;
}

/* ========================================
   CONTENT
   ======================================== */

.essay-content {
  position: relative;
  font-size: 1.0625rem;
  line-height: 2;
  color: var(--essay-fg);
  padding: 60px 48px 40px;
  margin-left: -48px;
  margin-right: -48px;
  background: rgba(245, 245, 245, 0.88);
}

/* Soft gradient fade at top edge — transparent to the white veil */
.essay-content::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(
    to bottom,
    rgba(245, 245, 245, 0) 0%,
    rgba(245, 245, 245, 0.88) 100%
  );
  pointer-events: none;
}

.essay-content p {
  margin-bottom: 16px;
  text-align: justify;
}

.essay-content a {
  color: var(--essay-link);
  text-decoration: underline;
  text-decoration-color: var(--essay-quote-border);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s ease;
}

.essay-content a:hover {
  text-decoration-color: var(--essay-link);
}

/* ========================================
   BLOCKQUOTES — Pull quotes
   ======================================== */

.essay-content blockquote {
  margin: 20px 0;
  padding: 20px 24px;
  border: none;
  border-left: 3px solid var(--essay-accent);
  background: rgba(200, 200, 200, 0.15);
  font-style: italic;
  font-size: 1rem;
  line-height: 2;
  color: var(--essay-fg-light);
  position: relative;
}

.essay-content blockquote::before {
  content: none;
  position: absolute;
  top: -8px;
  left: 16px;
  font-size: 3.5rem;
  font-family: Georgia, serif;
  color: var(--essay-quote-border);
  opacity: 0.4;
  line-height: 1;
}

.essay-content blockquote p {
  text-align: left;
  margin-bottom: 12px;
}

.essay-content blockquote p:last-child {
  margin-bottom: 0;
}

/* ========================================
   HEADINGS
   ======================================== */

.essay-content h2 {
  font-family: var(--font-chinese);
  font-size: 1.375rem;
  font-weight: 700;
  margin: 56px 0 24px;
  color: var(--essay-fg);
  letter-spacing: 0.02em;
}

.essay-content h3 {
  font-family: var(--font-chinese);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--essay-fg);
}

/* ========================================
   LISTS
   ======================================== */

.essay-content ul,
.essay-content ol {
  margin: 24px 0;
  padding-left: 24px;
}

.essay-content li {
  margin-bottom: 10px;
}

/* ========================================
   CODE
   ======================================== */

.essay-content code {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.875em;
  background: rgba(0, 0, 0, 0.04);
  padding: 2px 6px;
  border-radius: 3px;
}

.essay-content pre {
  margin: 32px 0;
  padding: 20px;
  background: #2c2c2c;
  color: #f0ece6;
  overflow-x: auto;
  border-radius: 4px;
}

.essay-content pre code {
  background: none;
  padding: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* ========================================
   IMAGES & HORIZONTAL RULES
   ======================================== */

.essay-content img {
  max-width: 100%;
  margin: 36px 0;
}

.essay-content hr {
  margin: 56px auto;
  border: none;
  width: 60px;
  height: 1px;
  background: var(--essay-fg-faint);
  opacity: 0.4;
}

/* ========================================
   FOOTER
   ======================================== */

.essay-footer {
  margin-top: 0;
  padding: 32px 48px 40px;
  margin-left: -48px;
  margin-right: -48px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  text-align: center;
  background: rgba(245, 245, 245, 0.88);
}

.essay-footer a {
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--essay-fg-faint);
  text-decoration: none;
  transition: color 0.2s ease;
}

.essay-footer a:hover {
  color: var(--essay-fg);
}

/* ========================================
   SELECTION
   ======================================== */

::selection {
  background: var(--essay-accent);
  color: #fff;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 700px) {
  .essay-body {
    font-size: 16px;
  }

  .essay-wrapper {
    padding: 40px 20px 80px;
  }

  .icarus-figure {
    height: 75vh;
  }

  .essay-content {
    padding: 48px 24px 32px;
    margin-left: -24px;
    margin-right: -24px;
  }

  .essay-footer {
    padding: 32px 24px 32px;
    margin-left: -24px;
    margin-right: -24px;
  }

  .essay-nav {
    margin-bottom: 60px;
  }

  .essay-header {
    margin-bottom: 48px;
  }

  .essay-title {
    font-size: 1.5rem;
  }

  .essay-content blockquote {
    margin: 36px 0;
    padding: 24px 20px;
  }

  .essay-content blockquote::before {
    font-size: 2.5rem;
    left: 10px;
  }
}

@media (max-width: 500px) {
  .essay-wrapper {
    padding: 32px 18px 60px;
  }

  .essay-content {
    font-size: 1rem;
    padding: 40px 18px 24px;
    margin-left: -18px;
    margin-right: -18px;
  }

  .essay-footer {
    padding: 24px 18px 24px;
    margin-left: -18px;
    margin-right: -18px;
  }

  .essay-nav {
    margin-bottom: 48px;
  }

  .essay-header {
    margin-bottom: 36px;
  }

  .essay-title {
    font-size: 1.3rem;
  }

  .essay-content blockquote {
    margin: 28px 0;
    padding: 20px 16px;
  }
}