/* ========================================
   Imge Turan Täschner — Magazine Spread Layout
   ======================================== */

:root {
  /* Wada Sanzo Color Combination 321 */
  --soft-cream: oklab(0.942 -0.007 0.058);
  --dark-cream: oklab(0.55 0.02 0.10);
  --forest-olive: oklab(0.280 -0.028 0.024);

  /* Semantic */
  --bg: oklab(0.991 0.001 0.006);
  --text: var(--forest-olive);
  --text-muted: var(--forest-olive);
  --accent: var(--dark-cream);
  --border: color-mix(in oklab, var(--forest-olive) 10%, transparent);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Cormorant Garamond', Georgia, serif;
  --font-utility: 'Cormorant Garamond', Georgia, serif;

  /* Type Scale */
  --text-xs: 0.65rem;
  --text-sm: 0.75rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;

  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-wide: 0.05em;

  /* Line Heights */
  --leading-tight: 0.9;
  --leading-snug: 1.2;
  --leading-normal: 1.7;
  --leading-relaxed: 1.2;

  /* Font Weights */
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

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

  /* Sizes */
  --border-width: 1px;
  --opacity-subtle: 0.2;
}

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

html {
  font-size: 18px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: var(--leading-normal);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ========================================
   Site Header
   ======================================== */

.site-header {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 50vh;
  margin: var(--space-sm) var(--space-sm) var(--space-md);
  z-index: 1;
}

/* Glossy vertical highlights on each page */
.site-header > .glossy-highlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
}

.site-header > .glossy-highlight::before,
.site-header > .glossy-highlight::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
}

.site-header > .glossy-highlight::before {
  left: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 68%,
    rgba(255, 255, 255, 0.03) 74%,
    rgba(255, 255, 255, 0.05) 80%,
    rgba(255, 255, 255, 0.03) 86%,
    transparent 92%,
    transparent 100%
  );
}

.site-header > .glossy-highlight::after {
  right: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    transparent 8%,
    rgba(255, 255, 255, 0.03) 14%,
    rgba(255, 255, 255, 0.05) 20%,
    rgba(255, 255, 255, 0.03) 26%,
    transparent 32%,
    transparent 100%
  );
}

.site-header-shadow {
  position: absolute;
  bottom: -30px;
  left: 5%;
  right: 5%;
  height: 60px;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.5) 0%,
    rgba(0, 0, 0, 0.3) 40%,
    transparent 70%
  );
  border-radius: 50%;
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.site-header::before,
.site-header::after {
  content: '';
  position: absolute;
  top: 4px;
  bottom: 4px;
  width: 12px;
  background: linear-gradient(to right,
    var(--soft-cream) 0%,
    #e8e0c4 50%,
    #d8d0b4 100%);
  z-index: -1;
}

.site-header::before {
  left: -8px;
  box-shadow: -2px 2px 4px rgba(0, 0, 0, 0.1);
  transform: perspective(100px) rotateY(2deg);
}

.site-header::after {
  right: -8px;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  transform: perspective(100px) rotateY(-2deg);
}

.header-left {
  position: static;
  overflow: hidden;
  box-shadow: inset -50px 0 40px -40px rgba(0, 0, 0, 0.25);
}

.header-photo-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.header-photo-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.1) 25%,
    transparent 50%,
    transparent 100%
  );
  pointer-events: none;
}

.header-right::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 60px;
  background: linear-gradient(to right,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.08) 30%,
    transparent 100%);
  pointer-events: none;
  z-index: 5;
}

.header-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
}

.header-right {
  background: #1f1f1f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  position: relative;
}

.header-nav {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  display: flex;
  gap: var(--space-md);
}

.header-nav a {
  font-family: var(--font-utility);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--soft-cream);
  transition: opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

.header-nav a svg {
  flex-shrink: 0;
}

.header-nav a:hover {
  opacity: 0.7;
}

.header-bio {
  font-family: var(--font-body);
  font-size: 1.35rem;
  line-height: var(--leading-relaxed);
  color: var(--soft-cream);
  text-align: center;
  max-width: 500px;
}

.header-bio strong {
  font-size: 1.2em;
}

.header-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 10;
  font-family: var(--font-display);
  font-size: clamp(8rem, 25vw, 18rem);
  font-weight: var(--weight-bold);
  font-style: italic;
  letter-spacing: var(--tracking-tight);
  line-height: 0.75;
  color: var(--soft-cream);
  pointer-events: none;
  transform: translateY(0.08em);
}

.about-trigger {
  font-family: var(--font-utility);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--soft-cream);
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
  anchor-name: --about-trigger;
}

.about-trigger:hover {
  opacity: 0.7;
}

/* ========================================
   About Popover
   ======================================== */

.about-popover {
  max-width: 500px;
  padding: var(--space-md);
  background: var(--soft-cream);
  border: none;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--forest-olive);
  position-anchor: --about-trigger;
  inset: unset;
  top: anchor(bottom);
  left: anchor(left);
  margin-top: var(--space-xs);
}

.about-popover::backdrop {
  background: oklch(0% 0 0 / 0.3);
}

.about-popover p {
  margin-bottom: var(--space-sm);
}

.about-popover p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Article Page
   ======================================== */

.page-article {
  background: var(--soft-cream);
}

.page-article .back-link {
  color: var(--forest-olive);
}

.page-article .back-link:hover {
  color: black;
}

.page-article .article-right p:first-child::first-letter {
  color: var(--forest-olive);
}

/* ========================================
   Article Header
   ======================================== */

.article-header {
  padding: var(--space-md);
}

.back-link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  font-style: italic;
  color: var(--dark-cream);
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

.back-link svg {
  flex-shrink: 0;
}

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

/* ========================================
   Article Preview
   ======================================== */

.articles {
  padding: 8rem var(--space-md) var(--space-lg);
  max-width: 680px;
  margin: 0 auto;
}

.article-preview {
  margin-bottom: var(--space-md);
}

.article-preview-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: var(--weight-semibold);
  font-style: italic;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-xs);
}

.article-preview-title a {
  color: var(--text);
  position: relative;
  display: inline;
  background: linear-gradient(90deg, var(--dark-cream) 50%, transparent 50%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  transition: background-position 0s;
}

.article-preview-title a::after {
  content: '|';
  position: absolute;
  right: -0.1em;
  color: var(--dark-cream);
  opacity: 0;
  font-weight: 300;
  animation: none;
}

.article-preview-title a:hover {
  color: var(--dark-cream);
  background-position: 0 0;
  transition: background-position 1.5s steps(40, end);
}

.article-preview-title a:hover::after {
  opacity: 1;
  animation: blink-cursor 0.6s step-end infinite;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.article-preview-summary {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-muted);
}

/* ========================================
   Article
   ======================================== */

.article {
  padding: var(--space-lg) var(--space-md);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.article-left {
  position: sticky;
  top: var(--space-lg);
  align-self: start;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--weight-semibold);
  font-style: italic;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.article-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: var(--leading-relaxed);
  color: var(--text-muted);
}

.article-right p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-sm);
  text-align: justify;
  hyphens: auto;
}

.article-right p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 3.5em;
  float: left;
  line-height: 0.8;
  padding-right: 0.1em;
  color: var(--accent);
}

/* Article Images (from Sanity) */
.article-image {
  margin: var(--space-md) 0;
}

.article-image img {
  width: 100%;
  height: auto;
}

.article-image figcaption {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  padding: var(--space-md);
  border-top: var(--border-width) solid var(--border);
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.footer-colophon {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}

.footer-cta {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  transition: color 0.2s ease;
}

.footer-cta:hover {
  color: var(--dark-cream);
}

.footer-cta svg {
  transition: transform 0.2s ease;
}

.footer-cta:hover svg {
  transform: translateY(-3px);
}

.footer-cta svg .envelope-flap {
  transform-origin: 12px 6px;
  transition: transform 0.2s ease;
}

.footer-cta:hover svg .envelope-flap {
  transform: rotateX(180deg);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 900px) {
  .site-header {
    display: flex;
    flex-direction: column;
    min-height: auto;
    margin: 0;
  }

  .site-header::before,
  .site-header::after,
  .site-header-shadow,
  .glossy-highlight {
    display: none;
  }

  .header-left {
    height: 50vh;
    position: relative;
    overflow: visible;
    box-shadow: none;
  }

  .header-right::before {
    display: none;
  }

  .header-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    font-size: clamp(5rem, 20vw, 10rem);
  }

  .header-right {
    padding: var(--space-xl) var(--space-md) var(--space-lg);
  }

  .header-nav {
    position: static;
    margin-bottom: var(--space-md);
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .article-left {
    position: static;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .site-header {
    min-height: auto;
  }

  .header-left {
    height: 40vh;
  }

  .header-right {
    padding: var(--space-lg) var(--space-sm) var(--space-md);
  }

  .header-nav {
    gap: var(--space-sm);
  }

  .header-title {
    font-size: clamp(4rem, 18vw, 8rem);
  }

  .articles {
    padding-top: var(--space-lg);
  }

  .article {
    padding: var(--space-md) var(--space-sm);
  }

  .footer {
    padding: var(--space-md) var(--space-sm);
  }
}