/* ==============================================
   CSS VARIABLES — Design Tokens
   ============================================== */

/* ==============================================
   BASE STYLES
   ============================================== */

/* ==============================================
   LAYOUT
   ============================================== */

/* ==============================================
   TYPOGRAPHY
   ============================================== */
h1 {
  font-family: var(--font-hero);
  font-weight: 400;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-section);
  font-weight: 400;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.005em;
}

h3 {
  font-family: var(--font-subtle);
  font-weight: 400;
  font-size: clamp(22px, 2.5vw, 28px);
  line-height: 1.2;
}

h4 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.3;
}

p {
  max-width: 65ch;
}

.meta {
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-meta);
}

/* ==============================================
   BUTTONS
   ============================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-bg);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--color-surface);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-hover);
  text-decoration: none;
}

/* ==============================================
   HERO SECTION
   ============================================== */
.hero {
  padding: var(--space-4xl) 0 var(--space-3xl);
  flex: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

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

.hero-tagline {
  font-size: 18px;
  color: var(--color-meta);
  margin-bottom: var(--space-xl);
  max-width: 45ch;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-portrait {
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .hero-portrait {
    justify-content: center;
    order: -1;
  }
}

/* ==============================================
   PORTRAIT FRAME
   ============================================== */
.portrait-frame {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  max-width: 380px;
  width: 100%;
  position: relative;
  box-shadow: 8px 12px 28px rgba(31, 31, 31, 0.18);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Portrait Slideshow */
.portrait-slideshow {
  position: relative;
  width: 100%;
  height: 100%;
}

.portrait-slideshow img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 2s ease-in-out;
}

.portrait-slideshow img.active {
  opacity: 1;
}

/* ==============================================
   WORK/PERSONAL PREVIEW
   ============================================== */
.preview-section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

@media (max-width: 768px) {
  .preview-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

.pillar-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.preview-column h2 {
  margin-bottom: var(--space-sm);
}

.pillar-desc {
  font-size: 14px;
  color: var(--color-meta);
  margin-bottom: var(--space-lg);
  max-width: 32ch;
}

.preview-portrait {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  max-width: 280px;
  box-shadow: 8px 12px 28px rgba(31, 31, 31, 0.18);
}

.preview-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-portrait.bw img {
  filter: grayscale(100%);
}

.preview-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.preview-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 15px;
  color: var(--color-meta);
}

.preview-list li svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.preview-list li a {
  color: var(--color-meta);
  text-decoration: none;
  transition: color 0.2s ease;
}

.preview-list li a:hover {
  color: var(--color-accent);
}

.domains-hint {
  font-size: 12px;
  color: var(--color-meta);
  margin-top: var(--space-lg);
  letter-spacing: 0.02em;
}

.preview-links {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 14px;
}

.preview-links a {
  margin-right: var(--space-md);
}

/* (coming-soon styles removed — site is live) */

/* ==============================================
   DIVIDER
   ============================================== */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-3xl) 0;
}

/* ==============================================
   PHILOSOPHY SECTION
   ============================================== */
.philosophy-section {
  padding: var(--space-xl) 0 var(--space-3xl);
  text-align: center;
}

.philosophy-content {
  max-width: 580px;
  margin: 0 auto;
}

.philosophy-content h3 {
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.philosophy-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-meta);
  margin: 0 auto var(--space-lg);
  max-width: 52ch;
}

.philosophy-coda {
  font-family: var(--font-subtle);
  font-style: italic;
  font-size: 15px !important;
  color: var(--color-accent) !important;
  margin-top: var(--space-xl) !important;
}

/* ==============================================
   SUBTLE ANIMATION
   ============================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ==============================================
   EXPANDABLE BIO
   ============================================== */
.bio-expand {
  margin-bottom: var(--space-xl);
  max-width: 55ch;
}

.bio-expand summary {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  transition: color 0.2s ease;
}

.bio-expand summary::-webkit-details-marker {
  display: none;
}

.bio-expand summary::after {
  content: '→';
  font-size: 13px;
  transition: transform 0.2s ease;
}

.bio-expand[open] summary::after {
  transform: rotate(90deg);
}

.bio-expand summary:hover {
  color: var(--color-accent-hover);
}

.bio-content {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 2px solid var(--color-border);
}

.bio-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.bio-content p:last-child {
  margin-bottom: 0;
}

.bio-content strong {
  font-weight: 500;
  color: var(--color-text);
}

/* ==============================================
   WRITING / ARTICLES SECTION
   ============================================== */
.writing-section {
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
}

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

.writing-header h2 {
  margin-bottom: var(--space-sm);
}

.writing-desc {
  font-size: 15px;
  color: var(--color-meta);
  max-width: 50ch;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 900px) {
  .article-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(31, 31, 31, 0.08);
  color: var(--color-text);
}

.article-card:hover h3 {
  color: var(--color-accent);
}

.article-card:hover .article-card-image img {
  transform: scale(1.03);
}

.article-card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  flex-shrink: 0;
  background: #E8E5E0;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-tag {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background: rgba(74, 107, 138, 0.08);
  padding: 3px 10px;
  border-radius: 999px;
}

.article-tag.personal {
  color: #7A6B4A;
  background: rgba(122, 107, 74, 0.08);
}

.article-card h3 {
  font-family: var(--font-subtle);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
  transition: color 0.2s ease;
}

.article-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-meta);
  flex: 1;
}

.article-date {
  font-size: 12px;
  color: var(--color-disabled);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* ==============================================
   WORK CALLOUT (compact)
   ============================================== */
.work-callout {
  padding: var(--space-2xl) 0 var(--space-3xl);
}

.work-callout-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-2xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.work-callout-content {
  padding: var(--space-xl) 0 var(--space-xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.work-callout-text h3 {
  margin-bottom: var(--space-xs);
}

.work-callout-text p {
  font-size: 14px;
  color: var(--color-meta);
  max-width: 50ch;
}

.work-callout-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.work-callout-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px var(--space-sm);
  background: var(--color-bg);
  border-radius: 999px;
  color: var(--color-meta);
}

.work-callout-image {
  width: 220px;
  height: 100%;
  min-height: 200px;
  overflow: hidden;
  flex-shrink: 0;
}

.work-callout-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  opacity: 0.7;
  transition: opacity 0.3s ease, filter 0.3s ease;
}

.work-callout-inner:hover .work-callout-image img {
  opacity: 0.85;
  filter: grayscale(60%) contrast(1.05);
}

@media (max-width: 768px) {
  .work-callout-inner {
    grid-template-columns: 1fr;
  }
  
  .work-callout-content {
    padding: var(--space-xl) var(--space-lg);
  }
  
  .work-callout-image {
    width: 100%;
    height: 160px;
    order: -1;
  }
}