/* ============================================
   Tyler Wince - INK & PAPER Theme
   Refined. Editorial. Quiet confidence.
   ============================================ */

/* === TYPOGRAPHY === */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@400;500;600&family=Caveat:wght@500;600&display=swap');

/* === DESIGN TOKENS === */
:root {
  /* Typography - Elegant Serif + Clean Sans */
  --font-serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-handwritten: 'Caveat', cursive;

  /* Ink & Paper Palette - Warm, muted, refined */
  --color-bg: #FAF8F5;
  --color-paper: #FFFEFB;
  --color-surface: #F5F2ED;
  --color-surface-warm: #F0EBE3;
  --color-ink: #2C2825;
  --color-ink-light: #4A4543;
  --color-ink-faded: #8A8580;
  --color-ink-ghost: #C5C0B8;
  --color-accent: #C54B3C;
  --color-accent-light: #E07B6E;
  --color-accent-wash: rgba(197, 75, 60, 0.08);
  --color-gold: #B8986A;
  --color-gold-light: #D4BC94;

  /* Soft shadows - like paper lifted slightly */
  --shadow-paper: 0 1px 3px rgba(44, 40, 37, 0.04),
                  0 4px 12px rgba(44, 40, 37, 0.06);
  --shadow-lifted: 0 2px 8px rgba(44, 40, 37, 0.06),
                   0 8px 24px rgba(44, 40, 37, 0.08);
  --shadow-float: 0 4px 16px rgba(44, 40, 37, 0.08),
                  0 12px 40px rgba(44, 40, 37, 0.1);

  /* Spacing - Generous, breathing room */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Layout */
  --max-width-text: 680px;
  --max-width-content: 1000px;
  --max-width-wide: 1200px;
  --border-radius: 2px;
  --border-radius-lg: 4px;

  /* Transitions - Smooth, elegant */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 180ms var(--ease-out);
  --transition-base: 300ms var(--ease-out);
  --transition-slow: 500ms var(--ease-in-out);
}

/* Dark mode - Like writing by candlelight */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1A1816;
    --color-paper: #242220;
    --color-surface: #2A2826;
    --color-surface-warm: #332F2C;
    --color-ink: #F5F2ED;
    --color-ink-light: #D5D0C8;
    --color-ink-faded: #9A958D;
    --color-ink-ghost: #5A5550;
    --color-accent: #E07B6E;
    --color-accent-light: #C54B3C;
    --color-accent-wash: rgba(224, 123, 110, 0.1);
    --color-gold: #D4BC94;
    --color-gold-light: #B8986A;

    --shadow-paper: 0 1px 3px rgba(0, 0, 0, 0.2),
                    0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lifted: 0 2px 8px rgba(0, 0, 0, 0.2),
                     0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-float: 0 4px 16px rgba(0, 0, 0, 0.25),
                    0 12px 40px rgba(0, 0, 0, 0.2);
  }
}

/* === BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--color-ink);
  background: var(--color-bg);
  transition: background var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  position: relative;
}

/* Subtle paper texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: -1;
}

/* === TYPOGRAPHY SCALE === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.5em;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-top: var(--space-12);
}

h3 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  margin-top: var(--space-8);
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-6);
}

.eyebrow {
  font-family: var(--font-handwritten);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: block;
}

p {
  margin-bottom: 1.5em;
  font-size: 1rem;
  color: var(--color-ink-light);
}

p.lead {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.6;
  color: var(--color-ink-light);
  font-weight: 400;
  font-style: italic;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

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

strong {
  font-weight: 600;
  color: var(--color-ink);
}

/* Brush stroke underline for links */
.link-decorated {
  background-image: linear-gradient(120deg, var(--color-accent-wash) 0%, var(--color-accent-wash) 100%);
  background-repeat: no-repeat;
  background-size: 100% 40%;
  background-position: 0 90%;
  transition: background-size var(--transition-fast);
}

.link-decorated:hover {
  background-size: 100% 100%;
}

/* === LAYOUT PRIMITIVES === */
.site-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  padding: var(--space-5) var(--space-6);
  background: transparent;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.site-header.scrolled::before {
  opacity: 0.95;
  backdrop-filter: blur(8px);
}

.site-header.scrolled {
  box-shadow: 0 1px 0 var(--color-ink-ghost);
}

.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 48px;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}

.site-title a {
  color: var(--color-ink);
  text-decoration: none;
  display: inline-block;
  transition: opacity var(--transition-fast);
}

.site-title a:hover {
  opacity: 0.7;
  color: var(--color-ink);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-1);
  align-items: center;
  margin: 0;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink-faded);
  letter-spacing: 0.01em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
  border-radius: 1px;
}

.site-nav a:hover {
  color: var(--color-ink);
}

.site-nav a:hover::after {
  width: calc(100% - var(--space-8));
}

.site-nav a.active {
  color: var(--color-ink);
}

.site-nav a.active::after {
  width: calc(100% - var(--space-8));
}

.site-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.site-footer {
  padding: var(--space-16) var(--space-6);
  margin-top: var(--space-24);
  border-top: 1px solid var(--color-ink-ghost);
  background: var(--color-surface);
}

.footer-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-text {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-ink-faded);
  font-size: 0.95rem;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
}

.footer-links a {
  color: var(--color-ink-faded);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}

.footer-links a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-ink-ghost);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-ink);
}

.footer-links a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* === CONTENT WRAPPER === */
.content-wrapper {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  width: 100%;
}

.content-wrapper-narrow {
  max-width: var(--max-width-text);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
  width: 100%;
}

/* === COMPONENTS === */

/* Link Arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.link-arrow::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.link-arrow:hover {
  gap: var(--space-3);
}

.link-arrow:hover::after {
  transform: translateX(2px);
}

/* Card */
.card {
  background: var(--color-paper);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-paper);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
}

.card:hover {
  box-shadow: var(--shadow-lifted);
  transform: translateY(-2px);
  border-color: var(--color-ink-ghost);
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--color-ink-ghost) 20%,
    var(--color-ink-ghost) 80%,
    transparent
  );
  margin: var(--space-16) 0;
  border: none;
}

/* Quote */
blockquote {
  border-left: 3px solid var(--color-gold);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--color-surface);
  border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--color-ink-light);
  position: relative;
}

blockquote::before {
  content: '"';
  position: absolute;
  top: -8px;
  left: var(--space-4);
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-gold-light);
  line-height: 1;
  opacity: 0.5;
}

/* Code */
code {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 0.875em;
  background: var(--color-surface-warm);
  padding: 2px 6px;
  border-radius: var(--border-radius);
  color: var(--color-ink);
}

pre {
  background: var(--color-ink);
  padding: var(--space-6);
  overflow-x: auto;
  margin: var(--space-8) 0;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-paper);
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: var(--color-bg);
  font-size: 0.9rem;
}

/* Lists */
ul, ol {
  margin-left: 1.25em;
  margin-bottom: 1.5em;
  color: var(--color-ink-light);
}

li {
  margin-bottom: 0.5em;
  padding-left: var(--space-1);
}

li::marker {
  color: var(--color-gold);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-paper);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background: var(--color-ink);
  color: var(--color-bg);
  border: none;
  border-radius: var(--border-radius-lg);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-paper);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lifted);
  color: var(--color-bg);
  text-decoration: none;
}

.button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-paper);
}

.button-secondary {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-ink-ghost);
}

.button-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-ink-faded);
  color: var(--color-ink);
}

/* === POST LAYOUT === */
.post-header {
  margin-bottom: var(--space-12);
  text-align: left;
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-ink-ghost);
}

.post-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  margin-bottom: var(--space-4);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.post-description {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-ink-faded);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: var(--space-6);
  max-width: 600px;
}

.post-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 0.9rem;
  color: var(--color-ink-faded);
  align-items: center;
}

.post-meta .reading-time::before {
  content: '·';
  margin-right: var(--space-4);
  color: var(--color-ink-ghost);
}

.post-content {
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-content h2 {
  margin-top: var(--space-16);
  position: relative;
  padding-left: var(--space-6);
}

.post-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 70%;
  background: var(--color-gold);
  border-radius: 2px;
}

.post-content h3 {
  margin-top: var(--space-10);
  color: var(--color-ink-light);
}

.post-content img {
  margin: var(--space-10) 0;
  box-shadow: var(--shadow-lifted);
}

/* === CODE COPY BUTTON === */
.code-copy-button {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--color-ink-light);
  color: var(--color-bg);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
}

pre:hover .code-copy-button {
  opacity: 1;
}

.code-copy-button:hover {
  background: var(--color-ink-faded);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes brushReveal {
  from {
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
  }
  to {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}

@keyframes inkDrop {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}

.animate-in {
  animation: fadeInUp 600ms var(--ease-out) both;
}

.delay-1 { animation-delay: 100ms; }
.delay-2 { animation-delay: 200ms; }
.delay-3 { animation-delay: 300ms; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .site-header {
    padding: var(--space-4);
  }

  .header-inner {
    height: 44px;
  }

  .site-title {
    font-size: 1.25rem;
  }

  .site-nav ul {
    gap: 0;
  }

  .site-nav a {
    padding: var(--space-2) var(--space-3);
    font-size: 0.85rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-6);
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .content-wrapper,
  .content-wrapper-narrow {
    padding: var(--space-10) var(--space-4);
  }

  .button {
    padding: var(--space-3) var(--space-6);
    font-size: 0.9rem;
  }

  .post-header {
    padding-bottom: var(--space-6);
  }
}

/* === SELECTION === */
::selection {
  background: var(--color-accent-wash);
  color: var(--color-ink);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-ink-ghost);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-ink-faded);
}

/* === DAILY DESIGN BADGE === */
.daily-design-badge {
  position: fixed;
  bottom: var(--space-8);
  left: var(--space-6);
  z-index: 999;
}

.daily-design-label {
  background: var(--color-paper);
  border: 1px solid var(--color-ink-ghost);
  border-radius: var(--border-radius-lg);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-paper);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.daily-design-label span {
  font-family: var(--font-handwritten);
  font-size: 1rem;
  color: var(--color-ink-faded);
  white-space: nowrap;
}

.daily-design-badge:hover .daily-design-label {
  box-shadow: var(--shadow-lifted);
  border-color: var(--color-ink-faded);
}

.daily-design-tooltip {
  position: absolute;
  bottom: calc(100% + var(--space-3));
  left: 0;
  width: 280px;
  padding: var(--space-5);
  background: var(--color-paper);
  border: 1px solid var(--color-ink-ghost);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lifted);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.daily-design-badge:hover .daily-design-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.daily-design-tooltip p {
  margin: 0 0 var(--space-2) 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-ink-light);
}

.daily-design-tooltip p:last-child {
  margin-bottom: 0;
}

.daily-design-tooltip strong {
  color: var(--color-ink);
}

.daily-design-tooltip .tooltip-cta {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-ink-ghost);
  font-weight: 500;
  color: var(--color-accent);
  font-size: 0.85rem;
}

/* Adjust for small screens */
@media (max-width: 768px) {
  .daily-design-badge {
    bottom: var(--space-4);
    left: var(--space-4);
  }

  .daily-design-tooltip {
    width: 240px;
    left: 0;
  }

  .daily-design-label {
    padding: var(--space-2) var(--space-3);
  }

  .daily-design-label span {
    font-size: 0.9rem;
  }
}