/* site.css — Xeer personal website component styles */

/* ============================================
   NOISE TEXTURE OVERLAY
   ============================================ */
.noise-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
  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='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

[data-theme="dark"] .noise-overlay { opacity: 0.05; }

/* ============================================
   SCROLL REVEAL — CSS scroll-driven where supported
   ============================================ */
.fade-in { opacity: 1; }

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background var(--transition-interactive),
              border-color var(--transition-interactive),
              transform 300ms cubic-bezier(0.16, 1, 0.3, 1),
              opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: oklch(from var(--color-bg) l c h / 0.9);
  border-bottom-color: var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.hidden {
  transform: translateY(-100%);
  opacity: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-5) var(--space-6);
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 0;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-text);
  transition: color var(--transition-interactive);
}

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

.logo-text {
  color: inherit;
}

.cursor-blink {
  color: var(--color-primary);
  animation: blink 1.2s step-end infinite;
  font-weight: 400;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: lowercase;
  transition: color var(--transition-interactive);
  position: relative;
  padding-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive), background var(--transition-interactive);
  background: transparent;
  border: none;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.icon-moon { display: block; }
.icon-sun  { display: none; }

[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: block; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text-muted);
  transition: transform var(--transition-interactive),
              opacity var(--transition-interactive),
              background var(--transition-interactive);
}

.hamburger:hover span { background: var(--color-text); }

.hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
}

/* Pixel grid background texture */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    linear-gradient(to right, var(--color-text) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-text) 1px, transparent 1px);
  background-size: 8px 8px;
  z-index: 0;
}

[data-theme="dark"] .hero-bg-grid { opacity: 0.06; }

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  width: 100%;
  padding: clamp(var(--space-24), 10vw, var(--space-32)) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
}

.hero-content {
  flex: 1;
}

.hero-name {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-6);
  transition: font-family 0.1s, letter-spacing 0.2s, transform 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  min-height: 1.1em;
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.5;
  font-weight: 300;
  max-width: 40ch;
  margin-bottom: var(--space-8);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero-meta-item {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.hero-meta-sep {
  color: var(--color-border);
  font-size: var(--text-xs);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
  opacity: 0.4;
  transition: opacity var(--transition-interactive);
}

.scroll-hint:hover { opacity: 0.8; }

.scroll-hint-line {
  display: block;
  width: 1px;
  height: 48px;
  background: var(--color-text-faint);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50%       { transform: scaleY(0.6); opacity: 0.8; }
}

/* ============================================
   CRYPTOPUNK IMAGE
   ============================================ */
.hero-punk {
  flex-shrink: 0;
}

.punk-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: transform var(--transition-interactive);
}

.punk-link:hover {
  transform: scale(1.05);
}

.punk-link:hover .punk-label {
  color: var(--color-primary);
}

.punk-img {
  width: clamp(96px, 14vw, 160px);
  height: clamp(96px, 14vw, 160px);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 2px solid var(--color-border);
  background: #638596;
}

.punk-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: lowercase;
  transition: color var(--transition-interactive);
}

/* ============================================
   SHARED SECTION STYLES
   ============================================ */
.section-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: clamp(var(--space-20), 8vw, var(--space-32)) var(--space-6);
}

.section-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.section-label::before {
  content: '';
  display: block;
  width: var(--space-8);
  height: 1px;
  background: var(--color-primary);
  opacity: 0.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  position: relative;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-content {
  margin-bottom: var(--space-10);
}

.about-para {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  max-width: 65ch;
}

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

.text-link {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-primary) l c h / 0.4);
  text-underline-offset: 3px;
  transition: color var(--transition-interactive),
              text-decoration-color var(--transition-interactive);
}

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

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
  text-transform: lowercase;
}


/* ============================================
   WRITING SECTION
   ============================================ */
.writing {
  position: relative;
  background: var(--color-bg);
}

.writing-header {
  margin-bottom: var(--space-12);
}

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.writing-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 50ch;
}

/* Articles list */
.articles-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-10) 0;
  border-top: 1px solid var(--color-border);
}

.article-item {
  border-bottom: 1px solid var(--color-divider);
}

.article-link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: var(--space-1) var(--space-4);
  padding: var(--space-6) 0;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive);
  position: relative;
}

.article-link:hover .article-title {
  color: var(--color-primary);
}

.article-link:hover .article-arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

.article-meta {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.article-source {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.article-year {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}

.article-title {
  grid-column: 1;
  grid-row: 2;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  transition: color var(--transition-interactive);
  margin-top: var(--space-2);
}

.article-desc {
  grid-column: 1;
  grid-row: 3;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  max-width: 55ch;
}

.article-arrow {
  grid-column: 2;
  grid-row: 1 / 4;
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  align-self: center;
  transition: transform var(--transition-interactive),
              color var(--transition-interactive);
}

/* Writing footer link */
.writing-footer {
  margin-top: var(--space-8);
}

.blog-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition-interactive);
}

.blog-link:hover {
  color: var(--color-primary);
}

.blog-link-arrow {
  transition: transform var(--transition-interactive);
}

.blog-link:hover .blog-link-arrow {
  transform: translateX(4px);
}

/* ============================================
   ELSEWHERE / FOOTER SECTION
   ============================================ */
.elsewhere {
  position: relative;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

[data-theme="dark"] .elsewhere {
  background: #0a0a0a;
}

.elsewhere-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

.elsewhere-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-12);
}

/* Links grid */
.links-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-16);
}

.elsewhere-link {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  text-decoration: none;
  transition: border-color var(--transition-interactive),
              background var(--transition-interactive);
  cursor: pointer;
}

.elsewhere-link:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-offset);
}

.elsewhere-link:hover .elsewhere-link-name {
  color: var(--color-primary);
}

.elsewhere-link:hover .elsewhere-ext-arrow {
  transform: translate(2px, -2px);
  color: var(--color-primary);
}

.elsewhere-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.elsewhere-link:hover .elsewhere-link-icon {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.elsewhere-link-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.elsewhere-link-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  transition: color var(--transition-interactive);
}

.elsewhere-link-desc {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

.elsewhere-ext-arrow {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text-faint);
  transition: transform var(--transition-interactive),
              color var(--transition-interactive);
  flex-shrink: 0;
}

/* Footer sign-off */
.site-footer {
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Business enquiries */
.business-enquiries {
  margin-bottom: var(--space-16);
}

.enquiries-heading {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
  text-transform: lowercase;
  margin-bottom: var(--space-3);
}

.text-link-inline {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.text-link-inline:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.footer-signoff {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ============================================
   CROSSHAIR CURSOR ON INTERACTIVE ELEMENTS
   ============================================ */
@media (pointer: fine) {
  .article-link,
  .elsewhere-link,
  .blog-link {
    cursor: crosshair;
  }
}

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link:focus {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 9999;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  width: auto;
  height: auto;
  clip: auto;
  clip-path: none;
  overflow: visible;
  white-space: normal;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 640px) {
  /* Nav — hamburger */
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-interactive);
    z-index: 50;
    margin-left: 0;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-link {
    font-size: var(--text-xl);
    letter-spacing: 0.12em;
    color: var(--color-text);
  }

  .hamburger { display: flex; z-index: 60; }

  /* Hero — stack vertically */
  .hero-inner {
    flex-direction: column-reverse;
    align-items: flex-start;
    justify-content: flex-end;
    gap: var(--space-8);
    padding-bottom: var(--space-20);
  }

  .hero-punk {
    opacity: 0.8;
  }

  .hero-tagline {
    font-size: var(--text-base);
  }

  /* Articles — tighter */
  .article-link {
    grid-template-columns: 1fr;
  }

  .article-arrow {
    display: none;
  }

  .article-title {
    font-size: var(--text-base);
  }

  /* Elsewhere links — touch targets */
  .elsewhere-link {
    min-height: 64px;
  }
}

@media (max-width: 900px) {
  .nav-links {
    gap: var(--space-6);
  }
}

/* ============================================
   LIGHT MODE ADJUSTMENTS
   ============================================ */
[data-theme="light"] .hero-bg-grid {
  opacity: 0.035;
}

[data-theme="light"] .elsewhere {
  background: var(--color-surface-offset);
}

[data-theme="light"] .about {
  background: var(--color-surface);
}

/* ============================================
   TOUCH HOVER REMOVAL
   ============================================ */
@media (hover: none) {
  .article-link:hover .article-title { color: var(--color-text); }
  .article-link:hover .article-arrow { transform: none; color: var(--color-text-faint); }
  .elsewhere-link:hover { border-color: var(--color-border); background: var(--color-surface-2); }
  .elsewhere-link:hover .elsewhere-link-name { color: var(--color-text); }
  .elsewhere-link:hover .elsewhere-link-icon { color: var(--color-text-muted); background: var(--color-surface-offset); }
  .elsewhere-link:hover .elsewhere-ext-arrow { transform: none; color: var(--color-text-faint); }

  /* Active states for touch */
  .article-link:active .article-title { color: var(--color-primary); }
  .elsewhere-link:active { border-color: var(--color-primary); }
  .elsewhere-link:active .elsewhere-link-name { color: var(--color-primary); }
}