/* ============================================
   Fredrik Viljesjö — Personal Site
   A literary, sober design with dark palette
   ============================================ */

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

:root {
  --bg: #0f0f0f;
  --bg-surface: #181614;
  --bg-elevated: #1e1c19;
  --text: #e2dbd3;
  --text-secondary: #9a918a;
  --text-muted: #6b6360;
  --accent: #b89068;
  --accent-hover: #d4a87a;
  --border: #2a2520;
  --border-light: #3a3430;
  --font-serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --max-width: 720px;
  --max-width-wide: 960px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

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

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

h1 {
  font-size: 2.8rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.8rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.3rem;
}

h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: 1.4em;
}

p:last-child {
  margin-bottom: 0;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--wide {
  max-width: var(--max-width-wide);
}

/* --- Header / Navigation --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  max-width: var(--max-width-wide);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

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

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

.site-nav a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

.lang-switch {
  color: var(--text-muted) !important;
  font-size: 0.8rem !important;
  border-left: 1px solid var(--border);
  padding-left: var(--space-md);
  text-transform: none !important;
  letter-spacing: 0.02em !important;
}

.lang-switch:hover {
  color: var(--accent) !important;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  margin: 5px 0;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  padding: calc(64px + var(--space-2xl)) 0 var(--space-2xl);
  min-height: 75vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: var(--max-width-wide);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.hero-text {
  flex: 1;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.hero-image {
  flex-shrink: 0;
  width: 220px;
  height: 220px;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: contrast(1.05);
}

/* --- Sections --- */
.section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.section h2 {
  margin-bottom: var(--space-md);
}

/* --- About --- */
.about-text p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
}

.about-text p:first-of-type {
  color: var(--text);
}

/* --- Blog/Writing --- */
.post-list {
  list-style: none;
}

.post-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.post-item:first-child {
  padding-top: 0;
}

.post-item:last-child {
  border-bottom: none;
}

.post-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.post-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.post-title a {
  color: var(--text);
  text-decoration: none;
}

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

.post-excerpt {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* --- Talks --- */
.talks-list {
  list-style: none;
}

.talk-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
}

.talk-item:last-child {
  border-bottom: none;
}

.talk-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text);
  flex: 1;
}

.talk-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  text-align: right;
}

/* --- Contact --- */
.contact-content {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.85;
}

.contact-links {
  list-style: none;
  margin-top: var(--space-md);
}

.contact-links li {
  padding: 0.6rem 0;
}

.contact-links a {
  color: var(--text);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.contact-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-link-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  display: inline-block;
  min-width: 140px;
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--border);
  margin-top: var(--space-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-muted);
}

.footer-quote {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 400px;
  text-align: right;
}

/* --- Blog Post Page --- */
.blog-post {
  padding: calc(64px + var(--space-xl)) 0 var(--space-xl);
}

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

.blog-post-header h1 {
  font-size: 2.2rem;
  margin-bottom: var(--space-sm);
}

.blog-post-date {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.blog-post-body {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
}

.blog-post-body h2 {
  font-size: 1.4rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text);
}

.blog-post-body h3 {
  font-size: 1.15rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
  color: var(--text);
}

.blog-post-body p {
  margin-bottom: 1.5em;
}

.blog-post-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  color: var(--text-muted);
  font-style: italic;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: var(--space-sm) 0 var(--space-md);
  padding-left: var(--space-md);
  color: var(--text-secondary);
}

.blog-post-body li {
  margin-bottom: 0.4em;
}

.blog-post-nav {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.back-link {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

/* --- Blog listing page --- */
.blog-listing {
  padding: calc(64px + var(--space-xl)) 0 var(--space-xl);
}

.blog-listing h1 {
  margin-bottom: var(--space-lg);
}

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

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero {
    min-height: auto;
    padding: calc(64px + var(--space-lg)) 0 var(--space-lg);
  }

  .hero-content {
    flex-direction: column-reverse;
    gap: var(--space-md);
    text-align: center;
  }

  .hero-image {
    width: 160px;
    height: 160px;
  }

  .hero-tagline {
    max-width: none;
  }

  .section {
    padding: var(--space-lg) 0;
  }

  .site-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border);
  }

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

  .site-nav a {
    font-size: 0.95rem;
    padding: var(--space-xs) 0;
  }

  .lang-switch {
    border-left: none !important;
    padding-left: 0 !important;
    padding-top: var(--space-xs) !important;
    border-top: 1px solid var(--border);
  }

  .menu-toggle {
    display: block;
  }

  .talk-item {
    flex-direction: column;
    gap: 0.25rem;
  }

  .talk-meta {
    text-align: left;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .footer-quote {
    text-align: left;
  }

  .blog-post-header h1 {
    font-size: 1.8rem;
  }

  .contact-link-label {
    display: block;
    min-width: auto;
    margin-bottom: 0.15rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.7rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }
}

/* --- Print --- */
@media print {
  .site-header,
  .menu-toggle {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
  }

  .hero {
    padding-top: var(--space-md);
    min-height: auto;
  }
}