/* ============================================
   FSDV.EU — Portfolio Website v2
   Design: Geological strata / mineral-inspired
   ============================================ */

/* --- Google Fonts import --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Variables --- */
:root {
  /* Primary palette — earthy, mineral tones */
  --color-obsidian:    #1a1a2e;
  --color-basalt:      #2d2d44;
  --color-slate:       #3d3d5c;
  --color-ite:         #5c5c7a;
  --color-ite-light:   #8888a4;
  --color-sandstone:   #c9b99a;
  --color-amber:       #d4a03c;
  --color-calcite:     #f5f0e8;
  --color-chalk:       #faf8f4;
  --color-white:       #ffffff;
  --color-feldspar:    #e8ddd0;
  --color-copper:      #b87333;
  --color-apatite:     #4a8b7f;
  --color-apatite-dark:#3a7266;

  /* Functional */
  --bg-primary:    var(--color-chalk);
  --bg-section:    var(--color-white);
  --bg-header:     var(--color-obsidian);
  --text-primary:  var(--color-obsidian);
  --text-secondary:var(--color-ite);
  --text-light:    var(--color-ite-light);
  --accent:        var(--color-amber);
  --accent-alt:    var(--color-apatite);
  --border:        #e0dbd2;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Source Sans 3', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  3rem;
  --space-xxl: 5rem;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 72px;
  --radius: 6px;
  --radius-lg: 12px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-alt);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

a:hover {
  color: var(--color-apatite-dark);
}

::selection {
  background: var(--color-sandstone);
  color: var(--color-obsidian);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.25;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.1rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-header);
  z-index: 1000;
  border-bottom: 2px solid var(--color-amber);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-calcite);
  letter-spacing: 0.02em;
}

.site-logo span {
  color: var(--color-amber);
}

/* Main nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav > ul {
  display: flex;
  list-style: none;
  gap: 0;
}

.main-nav > ul > li {
  position: relative;
}

.main-nav > ul > li > a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-feldspar);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.25s var(--ease-out), background 0.25s var(--ease-out);
  border-radius: var(--radius);
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
  color: var(--color-amber);
  background: rgba(212, 160, 60, 0.08);
}

/* Dropdown */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(26, 26, 46, 0.12);
  padding: var(--space-sm) 0;
  padding-top: calc(var(--space-sm) + 6px);
  z-index: 100;
  list-style: none;
}

/* Invisible bridge between link and menu to prevent mouseout gap */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.dropdown:hover .dropdown-menu,
.dropdown-menu.show {
  display: block;
}

.dropdown-menu li a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.dropdown-menu li a:hover {
  background: var(--color-calcite);
  color: var(--accent-alt);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-feldspar);
  margin: 5px 0;
  transition: all 0.3s var(--ease-out);
  border-radius: 2px;
}

/* ============================================
   HERO SECTION — with background image
   ============================================ */
.hero {
  margin-top: var(--nav-height);
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Background image layer */
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/* Dark overlay so text is readable */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(26, 26, 46, 0.82) 0%,
    rgba(26, 26, 46, 0.55) 55%,
    rgba(26, 26, 46, 0.25) 100%
  );
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}

/* Semi-transparent panel behind the text */
.hero-text {
  background: rgba(26, 26, 46, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(201, 185, 154, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.hero-text h1 {
  font-size: 3rem;
  color: var(--color-calcite);
  margin-bottom: var(--space-md);
}

.hero-text h1 span {
  display: block;
  color: var(--color-amber);
  font-style: italic;
}

.hero-text .subtitle {
  font-size: 1.05rem;
  color: var(--color-ite-light);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.hero-text .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-tags .tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(212, 160, 60, 0.15);
  color: var(--color-sandstone);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 20px;
  border: 1px solid rgba(212, 160, 60, 0.25);
}

.hero-photo {
  display: flex;
  justify-content: center;
}

.hero-photo img {
  width: 300px;
  height: 300px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--color-amber);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ============================================
   SECTIONS — General
   ============================================ */
.section {
  padding: var(--space-xxl) 0;
}

.section-alt {
  background: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section-header h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-amber);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-header h1::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-amber);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* ============================================
   CARD GRID — Section links on homepage
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 26, 46, 0.08);
}

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

.card-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-alt);
}

.card-link::after {
  content: '\2192';
  transition: transform 0.3s var(--ease-out);
}

.card:hover .card-link::after {
  transform: translateX(4px);
}

/* ============================================
   NEWS / BLOG PREVIEW on homepage
   ============================================ */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.news-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s var(--ease-out);
}

.news-item:hover {
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.06);
}

.news-date {
  flex-shrink: 0;
  width: 72px;
  text-align: center;
  padding-top: 4px;
}

.news-date .day {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-amber);
  line-height: 1;
}

.news-date .month-year {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.news-content h3 {
  margin-bottom: var(--space-xs);
}

.news-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.news-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: var(--space-sm);
}

.news-tag.research { background: rgba(74, 139, 127, 0.12); color: var(--color-apatite); }
.news-tag.conference { background: rgba(212, 160, 60, 0.12); color: var(--color-copper); }
.news-tag.publication { background: rgba(184, 115, 51, 0.12); color: var(--color-copper); }
.news-tag.personal { background: rgba(92, 92, 122, 0.12); color: var(--color-ite); }

/* ============================================
   CV PAGE
   ============================================ */
.cv-intro {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.cv-intro p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-amber);
  border: 3px solid var(--color-chalk);
  box-shadow: 0 0 0 2px var(--color-amber);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: var(--space-xs);
}

.timeline-item h3 {
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.timeline-place {
  font-size: 0.9rem;
  color: var(--accent-alt);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cv-section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-amber);
  display: inline-block;
}

.cv-subsection {
  margin-bottom: var(--space-xl);
}

/* Skills / tags */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.skill-tag {
  padding: 4px 12px;
  background: var(--color-calcite);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.skill-tag a {
  color: inherit;
}

.skill-tag a:hover {
  color: var(--accent-alt);
}

/* ============================================
   PUBLICATIONS PAGE
   ============================================ */
.pub-intro {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.pub-intro p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

.pub-year-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-primary);
  transition: background 0.25s, border-color 0.25s;
}

.pub-year-toggle:hover {
  background: var(--color-calcite);
  border-color: var(--color-sandstone);
}

.pub-year-toggle .arrow {
  font-size: 1.2rem;
  transition: transform 0.35s var(--ease-out);
  color: var(--color-amber);
}

.pub-year-toggle.open .arrow {
  transform: rotate(180deg);
}

.pub-year-count {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 400;
  margin-left: var(--space-sm);
}

.pub-year-content {
  display: none;
  padding: var(--space-md) 0;
}

.pub-year-content.open {
  display: block;
}

.pub-item {
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--color-amber);
  margin-bottom: var(--space-md);
  background: var(--color-white);
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: box-shadow 0.3s var(--ease-out), border-color 0.3s;
}

.pub-item h4 {
  margin-bottom: var(--space-xs);
  font-family: var(--font-body);
  font-weight: 600;
}

.pub-item .pub-authors {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.pub-item .pub-journal {
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
}

/* Publication with detail link */
.pub-item.has-detail {
  cursor: pointer;
  position: relative;
}

.pub-item.has-detail:hover {
  border-left-color: var(--accent-alt);
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
}

.pub-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-alt);
}

.pub-detail-link::after {
  content: '\2192';
  transition: transform 0.3s var(--ease-out);
}

.pub-item.has-detail:hover .pub-detail-link::after {
  transform: translateX(4px);
}

/* ============================================
   ARTICLE DETAIL PAGE
   ============================================ */
.article-detail {
  max-width: 800px;
  margin: 0 auto;
}

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

.article-detail-header h1 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.9rem;
  color: var(--text-light);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.article-meta strong {
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.article-body h2::after {
  display: none;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.article-body img {
  width: 100%;
  border-radius: var(--radius);
  margin: var(--space-md) 0 var(--space-sm);
}

.article-body .img-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.article-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.article-image-grid img {
  width: 100%;
  border-radius: var(--radius);
  margin: 0;
}

/* Back link (used in article detail and blog posts) */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-alt);
  margin-bottom: var(--space-xl);
  transition: color 0.25s;
}

.back-link::before {
  content: '\2190';
  font-size: 1.1rem;
}

.back-link:hover {
  color: var(--color-apatite-dark);
}

/* ============================================
   HOBBIES HUB PAGE — card layout
   ============================================ */
.hobbies-grid {
  display: grid;
  grid-template-columns: 1fr;  /* ← una sola colonna */
  gap: var(--space-lg);
  max-width: 800px;       /* ← larghezza massima per non esagerare */
  margin: 0 auto;         /* ← centrata */
}

.hobby-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  min-height: unset;
  display: flex;
  align-items: flex-end;
  cursor: pointer;
  transition: transform 0.4s var(--ease-out);
  text-decoration: none;
  color: inherit;
}

.hobby-card:hover {
  transform: scale(1.02);
}

.hobby-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s var(--ease-out);
}

.hobby-card:hover .hobby-card-bg {
  transform: scale(1.08);
}

.hobby-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,0.85) 0%, rgba(26,26,46,0.2) 60%, transparent 100%);
}

.hobby-card-content {
  position: relative;
  z-index: 1;
  padding: var(--space-lg);
  color: var(--color-calcite);
}

.hobby-card-content h3 {
  font-size: 1.4rem;
  margin-bottom: var(--space-xs);
  color: var(--color-white);
}

.hobby-card-content p {
  font-size: 0.9rem;
  color: var(--color-ite-light);
  margin-bottom: 0;
}

/* Fallback when no background image is set */
.hobby-card-bg.placeholder {
  background: linear-gradient(135deg, var(--color-basalt), var(--color-slate));
}

/* ============================================
   HOBBY CATEGORY PAGE (blog-like list)
   ============================================ */
.category-intro {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.category-intro p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.blog-post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.blog-post-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  text-decoration: none;
  color: inherit;
}

.blog-post-card:hover {
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.06);
  transform: translateY(-2px);
}

.blog-post-card-image {
  flex-shrink: 0;
  width: 180px;
  height: 130px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-calcite);
}

.blog-post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-post-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-post-card-body .post-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: var(--space-xs);
}

.blog-post-card-body h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.blog-post-card-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  flex: 1;
}

.blog-post-card-body .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-alt);
}

/* ============================================
   SINGLE BLOG POST PAGE
   ============================================ */
.blog-post-full {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post-full-header {
  margin-bottom: var(--space-xl);
}

.blog-post-full-header h1 {
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.blog-post-full-header .post-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-light);
}

.blog-post-full-hero {
  width: 100%;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.blog-post-body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.blog-post-body h2::after { display: none; }

.blog-post-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.blog-post-body img {
  width: 100%;
  border-radius: var(--radius);
  margin: var(--space-md) 0 var(--space-sm);
}

.blog-post-body .img-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

/* Back/nav links at bottom of posts */
.post-nav {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.post-nav a {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-alt);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  color: var(--text-light);
}

.empty-state h2::after { display: none; }

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 160, 60, 0.1);
  border-radius: var(--radius);
  font-size: 1.3rem;
  color: var(--color-amber);
}

.contact-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item p,
.contact-item a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.contact-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.contact-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-obsidian);
  color: var(--color-ite-light);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
  border-top: 2px solid var(--color-amber);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-content p {
  font-size: 0.88rem;
  color: var(--color-ite-light);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
}

.footer-links a {
  color: var(--color-ite-light);
  font-size: 0.88rem;
  transition: color 0.25s;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Page top spacer for fixed header */
.page-top {
  padding-top: calc(var(--nav-height) + var(--space-xxl));
}

/* ============================================
   RESPONSIVE — Tablet
   ============================================ */
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    text-align: center;
  }

  .hero-text .hero-tags {
    justify-content: center;
  }

  .hero-photo {
    order: -1;
  }

  .hero-photo img {
    width: 200px;
    height: 200px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .article-image-grid {
    grid-template-columns: 1fr;
  }

  h1 { font-size: 2rem; }
  .hero-text h1 { font-size: 2.4rem; }
}

/* ============================================
   RESPONSIVE — Mobile
   ============================================ */
@media (max-width: 640px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav > ul {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-header);
    border-top: 1px solid var(--color-basalt);
    padding: var(--space-md) 0;
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
  }

  .main-nav > ul.open {
    display: flex;
  }

  .main-nav > ul > li > a {
    padding: var(--space-md) var(--space-lg);
  }

  .dropdown-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-basalt);
    padding-left: var(--space-lg);
    padding-top: 0;
    display: none;
  }

  .dropdown-menu::before {
    display: none;
  }

  /* On mobile, only show dropdown submenu via JS .show class */
  .dropdown-menu.show {
    display: block;
  }

  /* Don't show on hover on mobile */
  .dropdown:hover .dropdown-menu {
    display: none;
  }
  .dropdown:hover .dropdown-menu.show {
    display: block;
  }

  .dropdown-menu li a {
    color: var(--color-feldspar);
  }

  /* Hamburger animation */
  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-text h1 { font-size: 1.8rem; }

  .news-item {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .news-date {
    width: auto;
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
  }

  .news-date .day {
    font-size: 1.2rem;
  }

  .blog-post-card {
    flex-direction: column;
  }

  .blog-post-card-image {
    width: 100%;
    height: 180px;
  }

  .hobbies-grid {
    grid-template-columns: 1fr;
  }
}