:root {
  /* colors */
  --tulip-petal: #F2C4CE;
  --tulip-deep: #D4879C;
  --tulip-blush: #FAE8EC;
  --tulip-stem: #7A9E7E;
  --tulip-soil: #3D2B2B;
  --tulip-light: #FDF6F7;
  --tulip-mist: #EDD5DA;

  /* type */
  --text-primary: #3D2B2B;
  --text-secondary: #7A5560;
  --text-ghost: #C4A0A8;

  /* functional */
  --link: #D4879C;
  --link-hover: #B5667A;
  --focus: #F2C4CE;
  --border: #EDD5DA;
  --shadow: rgba(180, 120, 130, 0.08);

  /* type scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.5rem;
  --text-xl: 2rem;
  --text-2xl: 2.75rem;
  --text-3xl: 3.5rem;
  --text-accent: 0.7rem;

  /* mobile scale */
  --text-hero-mobile: clamp(2rem, 8vw, 3rem);
  --text-h1-mobile: clamp(1.75rem, 6vw, 2.5rem);
  --text-h2-mobile: clamp(1.25rem, 4vw, 1.75rem);
  --text-h3-mobile: clamp(1rem, 3vw, 1.25rem);
  --text-body-mobile: clamp(1rem, 2.5vw, 1.125rem);
  --text-caption-mobile: 0.75rem;

  /* leading */
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-loose: 1.9;

  /* tracking */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.08em;

  /* spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
  --space-2xl: 12rem;
  --padding-mobile: 1.25rem;

  /* breakpoints */
  --bp-xs: 320px;
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;

  /* motion */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 400ms ease;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  background-color: #FDF6F7;
  background-color: var(--tulip-light);
  color: #3D2B2B;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  -webkit-font-smoothing: antialiased;
}

/* SKIP LINK */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--tulip-petal);
  color: var(--tulip-soil);
  padding: 0.5rem 1rem;
  border-radius: 0 0 4px 4px;
  font-size: var(--text-sm);
  z-index: 100;
  transition: top var(--transition-base);
  text-decoration: none;
}

.skip-link:focus { top: 0; }

/* FOCUS */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* LAYOUT */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--padding-mobile);
}

.container > section,
.container > footer {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .container > section,
  .container > footer {
    opacity: 0;
    transform: translateY(12px);
    animation: fade-up var(--transition-slow) forwards;
  }

  .container > section:nth-of-type(2) { animation-delay: 70ms; }
  .container > section:nth-of-type(3) { animation-delay: 140ms; }
  .container > section:nth-of-type(4) { animation-delay: 210ms; }
  .container > section:nth-of-type(5) { animation-delay: 280ms; }
  .container > footer { animation-delay: 350ms; }
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* NAV */
.year-nav {
  position: static;
  padding: 1rem var(--padding-mobile);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-link {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0;
  transition: color var(--transition-base);
}

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

/* HERO */
.hero {
  padding: var(--space-lg) var(--padding-mobile);
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-hero-mobile);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 300;
  color: #3D2B2B;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: var(--text-caption-mobile);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-ghost);
  margin-bottom: 1rem;
}

.subtitle {
  font-size: var(--text-body-mobile);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 100%;
}

.hero-image {
  width: 100%;
  max-width: 100%;
  max-height: 60vh;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center top;
  margin-bottom: var(--space-md);
  border-radius: 4px;
}

/* SECTIONS */
.topic,
.year-content,
.years-nav {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) var(--padding-mobile);
}

.topic h2,
.year-content h2,
.years-nav h2,
.connect h2 {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-h2-mobile);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-tight);
}

.topic-content p,
.philosophy-block p,
.impact-block p,
.activity-block p,
.piece-section p {
  font-size: var(--text-body-mobile);
  line-height: var(--leading-loose);
  color: var(--text-primary);
  max-width: 100%;
  margin-bottom: var(--space-md);
}

/* YEAR GRID */
.years-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: var(--space-xl);
}

.year-card {
  display: block;
  text-decoration: none;
  border-left: 2px solid var(--tulip-petal);
  padding: 1.5rem 1.25rem;
  transition: border-color var(--transition-base);
}

.year-card:hover { border-color: var(--tulip-deep); }

.year-card h3,
.class-card h3,
.piece-name {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-h3-mobile);
  font-weight: 300;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.year-span,
.activity-block h3,
.piece-year,
.piece-label,
.footer-note,
.copyright-line {
  font-size: var(--text-accent);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-ghost);
}

.year-span,
.piece-year,
.activity-block h3 {
  margin-bottom: var(--space-xs);
}

.year-motto {
  font-size: var(--text-sm);
  color: var(--tulip-deep);
  margin-bottom: var(--space-xs);
  font-style: italic;
}

.year-brief,
.class-card p,
.footer-intro,
.piece-oneliner {
  font-size: var(--text-body-mobile);
  color: var(--text-secondary);
  line-height: var(--leading-normal);
}

.classes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.class-card,
.piece-card {
  border-left: 2px solid var(--tulip-mist);
  padding-left: var(--space-sm);
  transition: border-color var(--transition-base);
}

.class-card:hover,
.piece-card:hover {
  border-color: var(--tulip-petal);
}

.activities {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.portfolio-pieces {
  margin-top: var(--space-xl);
}

.piece-card {
  border-left: 2px solid var(--tulip-petal);
  padding-left: var(--space-md);
  margin-bottom: var(--space-xl);
}

.piece-header {
  margin-bottom: var(--space-md);
}

.piece-oneliner {
  margin: 0;
}

.piece-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.piece-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.piece-section p {
  margin: 0;
  max-width: 62ch;
}

.piece-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.piece-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.piece-links a {
  font-size: var(--text-sm);
}

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

.tag {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-ghost);
  background: var(--tulip-blush);
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
}

.selected-work {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--padding-mobile);
}

.section-intro {
  color: var(--text-secondary);
  font-size: var(--text-md);
  margin-bottom: var(--space-lg);
  max-width: 52ch;
}

.work-previews {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.work-preview {
  display: block;
  text-decoration: none;
  border-left: 2px solid var(--tulip-mist);
  padding-left: var(--space-md);
  transition: border-color var(--transition-base);
}

.work-preview:hover {
  border-color: var(--tulip-petal);
}

.work-preview .work-year {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-ghost);
  display: block;
  margin-bottom: var(--space-xs);
}

.work-preview h3 {
  font-family: 'Playfair Display', serif;
  font-size: var(--text-md);
  color: var(--text-primary);
  margin: 0 0 var(--space-xs);
  font-weight: 500;
}

.work-preview p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

/* SANDWICH */
.sandwich-section {
  background: var(--tulip-blush);
}

.sandwich-section ol {
  list-style: none;
  counter-reset: principle;
  padding-left: 0;
  margin: var(--space-sm) 0 var(--space-md);
}

.sandwich-section ol li {
  counter-increment: principle;
  display: flex;
  gap: var(--space-sm);
  align-items: baseline;
  margin-bottom: var(--space-xs);
}

.sandwich-section ol li::before {
  content: counter(principle) ".";
  color: var(--tulip-deep);
  font-variant-numeric: tabular-nums;
  min-width: 1.5rem;
}

ol {
  padding-left: var(--space-md);
  margin: var(--space-sm) 0 var(--space-md);
}

ol li::marker { color: var(--tulip-deep); }

/* LINKS */
a {
  color: #D4879C;
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--tulip-mist);
  transition: color var(--transition-base), text-decoration-color var(--transition-base);
}

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

/* FOOTER */
.footer {
  padding: 3rem var(--padding-mobile);
  border-top: 1px solid var(--border);
  margin-top: var(--space-xl);
  text-align: center;
}

.connect {
  text-align: center;
  padding: var(--space-2xl) var(--padding-mobile);
}

.footer-intro {
  margin-bottom: var(--space-md);
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

.links {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.links a,
.nav-link {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
}

.year-navigation {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.nav-spacer {
  display: none;
  color: var(--text-ghost);
}

.copyright-line {
  text-transform: none;
  letter-spacing: var(--tracking-normal);
}

/* TABLET+ */
@media (min-width: 768px) {
  .hero {
    padding: var(--space-xl) var(--space-md);
  }

  .hero h1 {
    font-size: var(--text-h1-mobile);
  }

  .hero-image {
    max-width: 480px;
  }

  .topic,
  .year-content,
  .years-nav,
  .selected-work {
    padding: var(--space-xl) var(--space-md);
    margin-bottom: var(--space-2xl);
  }

  .topic-content p,
  .philosophy-block p,
  .impact-block p,
  .activity-block p,
  .piece-section p,
  .footer-intro {
    max-width: 65ch;
  }

  .years-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .classes-grid {
    grid-template-columns: 1fr 1fr;
  }

  .links {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .year-navigation {
    flex-direction: row;
    justify-content: center;
  }

  .nav-spacer {
    display: inline;
  }

  .piece-card {
    padding-left: var(--space-md);
  }
}

/* DESKTOP (keep 2-col years) */
@media (min-width: 1024px) {
  .years-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* DARK MODE */
@media (prefers-color-scheme: dark) {
  :root {
    --tulip-light: #1E1518;
    --tulip-blush: #251A1D;
    --text-primary: #F2E0E3;
    --text-secondary: #C4A0A8;
    --text-ghost: #8C6B6B;
    --border: #3D2B2E;
    --shadow: rgba(0, 0, 0, 0.3);
  }
}

/* PRINT */
@media print {
  .year-nav,
  .background-watermark,
  .footer .links {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.75rem;
    color: #666;
  }

  a[href^="mailto"]::after {
    content: "";
  }

  .year-card,
  .class-card,
  .activity-block {
    break-inside: avoid;
  }

  h2 {
    break-after: avoid;
  }
}