/* ============================================
   Creative Coding with P5.js — Course Site
   Magazine Editorial Style
   ============================================ */

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

:root {
  --bg: #FDFCFB;
  --bg-tint: #F7F5F3;
  --bg-dark: #1A1A1A;
  --text: #1A1A1A;
  --text-muted: #7A7A7A;
  --text-light: #AFAFAF;
  --accent: #C8A96E;
  --accent-dark: #A8893E;
  --border: #E8E4E0;
  --border-dark: #2E2E2E;
  --white: #FFFFFF;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

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

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

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

ul { list-style: none; }

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.label-light { color: var(--text-light); }

em {
  font-family: var(--font-serif);
  font-style: italic;
}

/* --- Layout Helpers --- */
.section {
  padding: 5rem 0;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

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

.section-tinted {
  background: var(--bg-tint);
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.title-light { color: var(--white); }

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 540px;
}

.desc-light { color: rgba(255,255,255,0.6); }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 252, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title em {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 2.5rem;
  max-width: 460px;
}

.hero-meta {
  font-size: 0.8rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero-meta .dot {
  color: var(--border);
}

.hero-canvas-wrap {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  z-index: 1;
  opacity: 0.78;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 14%, #000 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 14%, #000 100%);
}

.hero-canvas-wrap canvas {
  width: 100%;
  height: 100%;
}

/* --- Announcement --- */
.announcement { padding: 3rem 0; }

.announcement-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  max-width: 600px;
}

.announcement-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.announcement-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
}

/* --- Two Column --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}

.section-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-muted);
  margin-bottom: 1rem;
  max-width: 580px;
}

.section-body p strong { color: var(--text); }

/* --- Course Stats --- */
.course-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-unit { font-size: 1.4rem; }

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

/* --- Demo Canvas --- */
.demo-canvas {
  width: 100%;
  height: 420px;
  margin-top: 2rem;
  border: 1px solid var(--border-dark);
  overflow: hidden;
}

.demo-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0a0a0a;
}

/* --- Outcomes --- */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-top: 0;
}

.outcome {
  padding: 2rem;
  border: 1px solid var(--border);
  background: var(--white);
}

.outcome-icon {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.outcome h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  font-family: var(--font-serif);
}

.outcome p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Tags --- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.tag-red {
  border-color: #D4533B;
  color: #D4533B;
  background: rgba(212, 83, 59, 0.06);
}

/* --- Page Header --- */
.page-header {
  padding: 7rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.page-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

.page-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.page-desc {
  font-size: 1rem;
  color: var(--text-muted);
}

/* --- Grading Table --- */
.grading-table {
  margin-top: 0.5rem;
}

.grading-row {
  display: grid;
  grid-template-columns: 160px 1fr 60px;
  gap: 1.5rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.grading-label {
  font-size: 0.9rem;
}

.grading-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.grading-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

.grading-pct {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
}

/* --- Syllabus --- */
.syllabus {
  margin-top: 0;
}

.syllabus-part {
  margin-bottom: 5rem;
}

.syllabus-part-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--text);
}

.syllabus-part-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.syllabus-part-title {
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.syllabus-part-desc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.week-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 2rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.week-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
  padding-top: 0.3rem;
}

.week-content h3 {
  font-size: 1.05rem;
  font-family: var(--font-serif);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.week-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.7rem;
}

.week-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* --- Clickable Week Content --- */
.week-content {
  cursor: pointer;
  transition: padding-left 0.2s ease;
}

.week-content:hover {
  padding-left: 0.6rem;
}

.week-content:hover h3 {
  color: var(--accent);
}

.week-content.has-lesson::after {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-left: 0.5rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.week-content.has-lesson:hover::after {
  opacity: 1;
}

.week-content.no-lesson {
  cursor: default;
  opacity: 0.7;
}

.week-content.no-lesson:hover {
  padding-left: 0;
}

.week-content.no-lesson:hover h3 {
  color: inherit;
}

/* --- Instructor --- */
.instructor-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: start;
}

.instructor-photo-wrap {
  position: sticky;
  top: 80px;
}

.instructor-photo {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border: 1px solid var(--border);
}

.instructor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.photo-placeholder {
  background: var(--bg-tint);
}

.photo-placeholder::after {
  content: 'Photo';
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

.instructor-name-en {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.instructor-name {
  font-size: 2.5rem;
  margin-bottom: 0.4rem;
}

.instructor-title {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.instructor-filler {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 1.8rem;
}

.instructor-bio {
  margin-bottom: 1.8rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid var(--border);
}

.instructor-bio p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  max-width: 520px;
}

.instructor-bio p strong { color: var(--text); }

.instructor-links {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.instructor-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.link-icon {
  font-size: 0.9rem;
}

.research-areas .label { margin-bottom: 0.8rem; }

.area-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.area-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.7rem;
  background: var(--bg-tint);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* --- Publications --- */
.pubs-list {
  margin-top: 0;
}

.pub-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  padding-top: 0.2rem;
}

.pub-title {
  font-size: 0.95rem;
  font-family: var(--font-serif);
  margin-bottom: 0.3rem;
  font-weight: 400;
}

.pub-journal {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* --- Philosophy Quote --- */
.philosophy {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  line-height: 1.7;
  font-style: italic;
  color: var(--text);
  border-left: 3px solid var(--accent);
  padding-left: 2rem;
  max-width: 720px;
  margin: 0;
}

/* --- Assignments --- */
.assignments-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.assign-card {
  padding: 2rem;
  border: 1px solid var(--border);
  background: var(--white);
}

.assign-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.assign-week {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
}

.assign-title {
  font-size: 1.15rem;
  font-family: var(--font-serif);
  margin-bottom: 0.7rem;
}

.assign-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.assign-due {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}

.assign-btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.2rem;
  background: var(--text);
  color: var(--white);
  transition: background 0.2s;
}

.assign-btn:hover:not(.disabled) {
  background: var(--accent);
}

.assign-btn.disabled {
  background: var(--border);
  color: var(--text-light);
  cursor: not-allowed;
}

.assign-coming { opacity: 0.8; }

/* --- Exercise Grid --- */
.exercise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 0;
}

.exercise-item {
  padding: 1.2rem;
  border: 1px solid var(--border);
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.exercise-item.disabled { opacity: 0.5; }

.exercise-week {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-light);
}

.exercise-item p {
  font-size: 0.85rem;
  line-height: 1.4;
}

.exercise-status {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
  margin-top: auto;
}

/* --- Resources --- */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.resource-card {
  display: block;
  padding: 1.8rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color 0.2s, transform 0.2s;
}

.resource-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.resource-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.resource-card h3 {
  font-size: 1rem;
  font-family: var(--font-serif);
  margin-bottom: 0.5rem;
}

.resource-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Downloads --- */
.downloads-list {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.download-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--border-dark);
}

.download-item.disabled { opacity: 0.35; }

.download-icon {
  font-size: 1.2rem;
  color: var(--accent);
  width: 24px;
  text-align: center;
}

.download-name {
  font-size: 0.92rem;
  margin-bottom: 0.2rem;
}

.download-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
}

.download-btn {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.5);
  cursor: not-allowed;
  white-space: nowrap;
}

.download-btn:not(.disabled) {
  border-color: var(--accent);
  color: var(--accent);
  cursor: pointer;
}

/* --- Footer --- */
.footer {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
  text-align: center;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.footer-sub {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-light);
  letter-spacing: 0.06em;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .two-col,
  .instructor-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .instructor-photo-wrap { position: static; max-width: 280px; }

  .outcomes-grid,
  .assignments-list {
    grid-template-columns: 1fr;
  }

  .resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .exercise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-canvas-wrap {
    display: block;
    width: 100%;
    opacity: 0.64;
    -webkit-mask-image: radial-gradient(circle at 78% 48%, #000 0%, #000 34%, transparent 78%);
    mask-image: radial-gradient(circle at 78% 48%, #000 0%, #000 34%, transparent 78%);
  }
}

@media (max-width: 600px) {
  .section { padding: 3.5rem 0; }
  .section-inner { padding: 0 1.25rem; }
  .page-header-inner { padding: 0 1.25rem; }
  .nav-inner { padding: 0 1.25rem; }

  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 0.78rem; }

  .resources-grid { grid-template-columns: 1fr; }
  .exercise-grid { grid-template-columns: 1fr 1fr; }

  .grading-row {
    grid-template-columns: 120px 1fr 48px;
    gap: 1rem;
  }

  .course-stats { gap: 1.5rem; }
}

/* cms-mobile-390-v1 */
@media (max-width: 420px) {
  .nav-inner {
    height: auto;
    min-height: 60px;
    padding: .8rem 1rem;
    flex-wrap: wrap;
    align-items: center;
    gap: .65rem 1rem;
  }
  .nav-logo { max-width: 100%; overflow-wrap: anywhere; }
  .nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .45rem .8rem;
  }
  .nav-links a {
    display: block;
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.4;
  }
  .download-item {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: .7rem .85rem;
  }
  .download-item > div { flex: 1 1 calc(100% - 42px); min-width: 0; }
  .download-name, .download-meta { overflow-wrap: anywhere; word-break: normal; }
  .download-btn {
    width: 100%;
    margin-left: 0;
    text-align: center;
    white-space: normal;
  }
  .grading-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: .65rem .8rem;
  }
  .grading-label {
    grid-column: 1 / -1;
    min-width: 0;
    overflow-wrap: anywhere;
  }
  .grading-bar { min-width: 0; }
  .exercise-grid, .outcomes-grid, .assignments-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .exercise-item, .outcome, .assign-card {
    min-width: 0;
    overflow-wrap: anywhere;
  }
}

/* cms-outcome-title-row-v1 */
.outcome > .outcome-icon {
  display: inline-block;
  margin: 0 .55rem 0 0;
  vertical-align: middle;
}
.outcome > .outcome-icon + h3 {
  display: inline;
  margin-bottom: 0;
  vertical-align: middle;
}
.outcome > .outcome-icon + h3 + p { margin-top: .6rem; }

/* cms-resource-title-row-v1 */
.resource-card > .resource-icon {
  display: inline-block;
  margin: 0 .55rem 0 0;
  vertical-align: middle;
}
.resource-card > .resource-icon + h3 {
  display: inline;
  margin-bottom: 0;
  vertical-align: middle;
}
.resource-card > .resource-icon + h3 + p { margin-top: .5rem; }