/* ==========================================================================
   ALVAREZNAVARRO.ES — "Warm Editorial" Design System
   Modern CSS: fluid type, scroll-driven animations, view transitions,
   color-mix(), :has(), text-wrap: balance, animation-timeline: view()
   ========================================================================== */

/* --- Animatable custom properties --- */
@property --gradient-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

/* --- Design Tokens --- */
:root {
  /* Palette — warm, editorial */
  --bg:            #FAF9F6;
  --bg-alt:        #F2EFE9;
  --surface:       #FFFFFF;
  --ink:           #1C1917;
  --ink-2:         #57534E;
  --ink-3:         #A8A29E;
  --accent:        #C2410C;
  --accent-hover:  #9A3412;
  --accent-soft:   #FFF7ED;
  --border:        #E7E5E4;
  --border-hover:  #D6D3D1;
  --code-bg:       #1C1917;
  --code-text:     #FDE68A;
  --code-inline-bg: #F5F5F4;
  --code-inline:   #C2410C;
  --selection-bg:  rgba(194, 65, 12, 0.15);

  /* Typography scale — fluid with clamp */
  --text-xs:  clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm:  clamp(0.8125rem, 0.78rem + 0.16vw, 0.875rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg:  clamp(1.0625rem, 1rem + 0.3125vw, 1.1875rem);
  --text-xl:  clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  --text-3xl: clamp(1.875rem, 1.4rem + 2.375vw, 3rem);
  --text-4xl: clamp(2.25rem, 1.5rem + 3.75vw, 3.75rem);
  --text-5xl: clamp(2.75rem, 1.5rem + 6.25vw, 5rem);

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width:     72rem;
  --content-width: 44rem;
  --gutter:        clamp(1.25rem, 4vw, 2.5rem);

  /* Motion */
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration:      300ms;
  --duration-slow: 500ms;

  /* Shadows — warm-toned */
  --shadow-sm:  0 1px 3px rgba(28, 25, 23, 0.04);
  --shadow-md:  0 4px 14px rgba(28, 25, 23, 0.06);
  --shadow-lg:  0 12px 36px rgba(28, 25, 23, 0.08);
  --shadow-xl:  0 24px 50px rgba(28, 25, 23, 0.12);

  /* Radii */
  --radius-sm:  0.375rem;
  --radius-md:  0.625rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;

  /* Fonts — set by Google Fonts link in <head> */
  --font-display: "Fraunces", "Georgia", serif;
  --font-body:    "Newsreader", "Georgia", serif;
  --font-ui:      "Outfit", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "Fira Code", monospace;
}

/* --- Dark mode --- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:            #141210;
    --bg-alt:        #1C1917;
    --surface:       #292524;
    --ink:           #F5F5F4;
    --ink-2:         #D6D3D1;
    --ink-3:         #78716C;
    --accent:        #EA580C;
    --accent-hover:  #FB923C;
    --accent-soft:   rgba(234, 88, 12, 0.1);
    --border:        #3D3935;
    --border-hover:  #57534E;
    --code-bg:       #0C0A09;
    --code-text:     #FDE68A;
    --code-inline-bg: #292524;
    --code-inline:   #FB923C;
    --selection-bg:  rgba(234, 88, 12, 0.25);
  }
}

/* --- Reset & base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

::selection {
  background: var(--selection-bg);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  hanging-punctuation: first last;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration-skip-ink: auto;
}

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  overflow-wrap: break-word;
}

p {
  text-wrap: pretty;
  overflow-wrap: break-word;
}

/* --- Subtle grain overlay --- */
.page-grain {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
  mix-blend-mode: multiply;
}

@media (prefers-color-scheme: dark) {
  .page-grain {
    mix-blend-mode: soft-light;
    opacity: 0.3;
  }
}

/* --- Decorative background gradient — subtle, warm --- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, color-mix(in oklch, var(--accent) 6%, transparent) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 90% 80%, color-mix(in oklch, var(--accent) 4%, transparent) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* --- Layout --- */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ======================================================================
   HEADER / NAVIGATION
   ====================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklch, var(--bg) 85%, transparent);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--duration) var(--ease-out);
}

.main-nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  font-optical-sizing: auto;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color var(--duration-fast);
}

.nav-logo:hover {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
  align-items: center;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.375rem 0.75rem;
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background-color var(--duration-fast);
}

.nav-link:hover {
  color: var(--ink);
  background-color: color-mix(in oklch, var(--ink) 5%, transparent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration) var(--ease-out);
  border-radius: 1px;
}

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hamburger — mobile */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 110;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease-out), opacity var(--duration-fast);
}

.nav-burger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-burger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-burger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--space-2xl);
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease-out), visibility var(--duration);
    z-index: 105;
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav-menu .nav-link {
    font-size: var(--text-xl);
    font-family: var(--font-display);
    font-weight: 500;
    padding: 0.75rem 1rem;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* ======================================================================
   FOOTER
   ====================================================================== */
.main-footer {
  margin-top: var(--space-4xl);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 var(--space-sm) 0;
}

.footer-tagline {
  color: var(--ink-3);
  font-size: var(--text-sm);
  margin: 0;
}

.footer-nav-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-link {
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--duration-fast);
}

.footer-link:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-2xl) auto 0;
  padding: var(--space-lg) var(--gutter) 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  color: var(--ink-3);
  font-size: var(--text-xs);
}

.footer-projects a {
  color: var(--ink-3);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-projects a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-nav-links {
    justify-content: center;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* ======================================================================
   HERO SECTION
   ====================================================================== */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--gutter);
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-greeting {
  font-family: var(--font-ui);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--accent);
  margin: 0 0 var(--space-sm) 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  font-optical-sizing: auto;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-xl) 0;
  color: var(--ink);
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-optical-sizing: auto;
  color: var(--ink-2);
  line-height: 1.7;
  margin: 0 0 var(--space-md) 0;
  max-width: 36rem;
}

.hero-tagline em {
  font-style: italic;
  color: var(--accent);
}

.hero-aside {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-style: italic;
  color: var(--ink-3);
  margin: 0 0 var(--space-2xl) 0;
}

.hero-social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  color: var(--ink-2);
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all var(--duration) var(--ease-out);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.social-link:hover {
  color: var(--surface);
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Hero images — overlapping polaroid arrangement */
.hero-images {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 0;
  height: clamp(320px, 40vw, 520px);
  position: relative;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-slow) var(--ease-out), box-shadow var(--duration-slow) var(--ease-out);
  border: 3px solid var(--surface);
}

.hero-image:hover {
  transform: scale(1.04) rotate(0deg) !important;
  box-shadow: var(--shadow-xl);
  z-index: 10;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image-1 {
  grid-column: 1 / 4;
  grid-row: 1 / 4;
  transform: rotate(-3deg);
  z-index: 3;
}

.hero-image-2 {
  grid-column: 3 / 7;
  grid-row: 1 / 4;
  transform: rotate(2deg) translateY(10px);
  z-index: 2;
}

.hero-image-3 {
  grid-column: 1 / 4;
  grid-row: 3 / 7;
  transform: rotate(1.5deg) translateX(8px);
  z-index: 4;
}

.hero-image-4 {
  grid-column: 3 / 6;
  grid-row: 4 / 7;
  transform: rotate(-2deg) translateY(-5px);
  z-index: 5;
}

.hero-image-5 {
  grid-column: 5 / 7;
  grid-row: 3 / 6;
  transform: rotate(3deg) translate(-5px, 5px);
  z-index: 1;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--space-2xl) var(--gutter) var(--space-3xl);
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-name {
    font-size: clamp(2.5rem, 10vw, 3.5rem);
  }

  .hero-images {
    height: 260px;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
  }

  .hero-image-1 {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
  }

  .hero-image-2 {
    grid-column: 2 / 5;
    grid-row: 1 / 3;
  }

  .hero-image-3 {
    grid-column: 1 / 3;
    grid-row: 2 / 5;
  }

  .hero-image-4 {
    grid-column: 3 / 5;
    grid-row: 3 / 5;
  }

  .hero-image-5 {
    display: none;
  }
}

/* ======================================================================
   PAGE HEADERS
   ====================================================================== */
.page-header {
  padding: var(--space-3xl) 0 var(--space-2xl);
  max-width: var(--content-width);
  margin: 0 auto;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  font-optical-sizing: auto;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 var(--space-md) 0;
  color: var(--ink);
}

.page-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  font-optical-sizing: auto;
  color: var(--ink-3);
  margin: 0;
}

.page-header-divider {
  width: 3rem;
  height: 3px;
  background: var(--accent);
  border: none;
  border-radius: 2px;
  margin: var(--space-lg) 0 0 0;
}

/* ======================================================================
   SECTION TITLES
   ====================================================================== */
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 var(--space-2xl) 0;
}

/* ======================================================================
   ARTICLES SECTION & GRID
   ====================================================================== */
.articles-section {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

/* ======================================================================
   ARTICLE CARD
   ====================================================================== */
.article-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: transform var(--duration) var(--ease-out),
              box-shadow var(--duration) var(--ease-out),
              border-color var(--duration);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

/* Accent stripe on hover */
.article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background: var(--accent);
  border-radius: 0 0 2px 2px;
  transform: scaleX(0);
  transition: transform var(--duration) var(--ease-out);
}

.article-card:hover::before {
  transform: scaleX(1);
}

/* Scroll reveal for article cards */
@supports (animation-timeline: view()) {
  .article-card {
    animation: card-reveal linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 25%;
  }

  @keyframes card-reveal {
    from {
      opacity: 0;
      transform: translateY(24px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Card with image variant (home page) */
.article-card--with-image .article-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: var(--space-md);
  font-size: var(--text-xs);
}

.article-date {
  color: var(--ink-3);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.article-meta-divider {
  color: var(--border);
}

.category-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.1875rem 0.625rem;
  border-radius: 2rem;
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.category-tag:hover {
  background: var(--accent);
  color: var(--surface);
}

.article-title {
  margin: 0 0 var(--space-sm) 0;
}

.article-title a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  font-optical-sizing: auto;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.article-title a:hover {
  color: var(--accent);
}

.article-excerpt {
  font-family: var(--font-body);
  font-optical-sizing: auto;
  color: var(--ink-2);
  line-height: 1.65;
  margin: 0 0 var(--space-lg) 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap var(--duration) var(--ease-out), color var(--duration-fast);
  margin-top: auto;
}

.read-more-link::after {
  content: "\2192";
  transition: transform var(--duration) var(--ease-out);
}

.read-more-link:hover {
  color: var(--accent-hover);
  gap: 0.625rem;
}

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

/* ======================================================================
   ARTICLE FULL — Reading experience
   ====================================================================== */

/* Reading progress bar — pure CSS, scroll-driven */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 200;
}

@supports (animation-timeline: scroll()) {
  .reading-progress {
    animation: reading-progress linear;
    animation-timeline: scroll();
  }

  @keyframes reading-progress {
    to { transform: scaleX(1); }
  }
}

.article-full {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) 0 var(--space-4xl);
}

.article-header {
  margin-bottom: var(--space-2xl);
}

.article-header .article-meta {
  margin-bottom: var(--space-lg);
}

.article-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  font-optical-sizing: auto;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
}

.article-hero-image {
  margin: 0 calc(-1 * var(--gutter)) var(--space-2xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.article-hero-image img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
}

.article-excerpt-highlight {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  font-optical-sizing: auto;
  color: var(--ink-2);
  line-height: 1.7;
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-2xl);
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--border);
}

/* ======================================================================
   ARTICLE CONTENT — Markdown-rendered prose
   ====================================================================== */
.article-content {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-optical-sizing: auto;
  line-height: 1.8;
  color: var(--ink);
}

.article-content > * + * {
  margin-top: 1.5em;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  font-optical-sizing: auto;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-top: 2.5rem;
  margin-bottom: 0;
  color: var(--ink);
}

.article-content h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2rem;
  margin-bottom: 0;
  color: var(--ink-2);
}

.article-content p {
  margin-top: 0;
  margin-bottom: 0;
}

.article-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--accent) 40%, transparent);
  text-underline-offset: 3px;
  text-decoration-thickness: 1.5px;
  transition: text-decoration-color var(--duration-fast);
}

.article-content a:hover {
  text-decoration-color: var(--accent);
}

.article-content strong {
  font-weight: 700;
  color: var(--ink);
}

.article-content blockquote {
  margin: 2rem 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--ink-2);
}

.article-content blockquote p {
  margin: 0;
}

.article-content ul,
.article-content ol {
  padding-left: 1.625em;
}

.article-content li {
  margin-bottom: 0.5em;
}

.article-content li::marker {
  color: var(--accent);
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-inline-bg);
  color: var(--code-inline);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.article-content pre {
  margin: 2rem 0;
  padding: var(--space-xl);
  background: var(--code-bg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--border);
}

.article-content pre code {
  font-size: var(--text-sm);
  background: none;
  color: var(--code-text);
  padding: 0;
  border-radius: 0;
  font-weight: 400;
  line-height: 1.7;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}

.article-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 3rem 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: var(--text-base);
}

.article-content th,
.article-content td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.article-content th {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Article footer */
.article-footer {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.article-actions {
  display: flex;
  align-items: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--duration-fast), gap var(--duration) var(--ease-out);
}

.back-link:hover {
  color: var(--accent);
  gap: 0.5rem;
}

/* ======================================================================
   CONTENT PAGES (About, Contact)
   ====================================================================== */
.content-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 0 var(--space-4xl);
}

.content-intro {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-optical-sizing: auto;
  color: var(--ink-2);
  line-height: 1.75;
  margin-bottom: var(--space-3xl);
}

.content-section {
  margin-bottom: var(--space-2xl);
}

.content-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  font-optical-sizing: auto;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 var(--space-md) 0;
}

.content-section p {
  font-family: var(--font-body);
  font-optical-sizing: auto;
  color: var(--ink-2);
  line-height: 1.75;
  margin: 0 0 var(--space-md) 0;
}

/* CTA Section */
.cta-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  margin: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), color-mix(in oklch, var(--accent) 50%, var(--bg)));
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0 0 var(--space-md) 0;
  color: var(--ink);
}

.cta-section p {
  color: var(--ink-2);
  margin: 0 0 var(--space-xl) 0;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

/* ======================================================================
   BUTTONS
   ====================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration) var(--ease-out);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px color-mix(in oklch, var(--accent) 30%, transparent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in oklch, var(--accent) 35%, transparent);
}

.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-alt);
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--duration) var(--ease-out);
}

.view-all-btn::after {
  content: "\2192";
}

.view-all-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ======================================================================
   FORMS
   ====================================================================== */
.form-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--ink);
  letter-spacing: 0.01em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ink-3);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 12%, transparent);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-ui);
  line-height: 1.6;
}

.form-actions {
  margin-top: var(--space-xl);
}

.submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  box-shadow: 0 2px 8px color-mix(in oklch, var(--accent) 25%, transparent);
}

.submit-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px color-mix(in oklch, var(--accent) 30%, transparent);
}

/* ======================================================================
   PAGINATION (Kaminari)
   ====================================================================== */
.pagination-wrapper {
  display: flex;
  justify-content: center;
  margin: var(--space-2xl) 0;
}

.pagination {
  display: flex;
  gap: 0.375rem;
  align-items: center;
}

.pagination a,
.pagination span,
.pagination em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--duration-fast);
}

.pagination a:hover {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border-hover);
}

.pagination .current,
.pagination em.current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-style: normal;
}

.pagination .disabled,
.pagination .gap {
  color: var(--ink-3);
  border-color: transparent;
}

/* ======================================================================
   EMPTY STATES
   ====================================================================== */
.empty-state {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
}

.empty-state h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--space-md) 0;
}

.empty-state p {
  color: var(--ink-2);
  margin: 0 0 var(--space-xl) 0;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

/* ======================================================================
   VIEW TRANSITIONS (Turbo Drive)
   ====================================================================== */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 200ms;
  animation-timing-function: var(--ease-in-out);
}

/* ======================================================================
   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;
  }

  .reading-progress {
    display: none;
  }
}

/* ======================================================================
   PRINT
   ====================================================================== */
@media print {
  .main-header,
  .main-footer,
  .page-grain,
  .reading-progress,
  .hero-images,
  .hero-social,
  .pagination-wrapper,
  .back-link {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  body::before {
    display: none;
  }

  .article-content {
    font-size: 11pt;
    line-height: 1.6;
  }

  .article-content a {
    color: #000;
    text-decoration: underline;
  }

  .article-content a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}
