/* ========================================
   Daphne Demekas — Personal Site
   Minimalist, artistic, mobile-first
   ======================================== */

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

:root {
  --bg: #f8f6f3;
  --bg-alt: #f0ede8;
  --text: #2a2a2a;
  --text-light: #6b6560;
  --text-faint: #a09890;
  --accent: #3d3530;
  --border: #e0dbd5;
  --card-bg: rgba(255, 255, 255, 0.6);
  --blur: 20px;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 860px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.6;
}

::selection {
  background: rgba(61, 53, 48, 0.15);
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2.5rem;
  background: rgba(248, 246, 243, 0.85);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(248, 246, 243, 0.95);
  box-shadow: 0 1px 0 var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--text);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:first-child {
  transform: rotate(45deg) translate(2.5px, 2.5px);
}

.nav-toggle.active span:last-child {
  transform: rotate(-45deg) translate(2.5px, -2.5px);
}

/* --- Sections --- */
.section {
  min-height: 100vh;
  padding: 8rem 0 6rem;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* --- Home --- */
.section-home {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.section-home::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(180, 160, 140, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.section-home::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(160, 140, 130, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.home-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
}

.home-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.home-subtitle {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 3.5rem;
}

.home-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto 3.5rem;
}

.home-card {
  padding: 1.5rem 1rem;
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.home-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
  opacity: 1;
}

.home-card-label {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

.home-contact {
  color: var(--text-light);
  font-size: 0.85rem;
}

.home-contact a {
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
}

.home-contact a:hover {
  opacity: 0.6;
}

.home-socials {
  margin-top: 0.75rem;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

/* --- About / CV --- */
.section-about {
  background: var(--bg);
}

.about-intro {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.about-meta {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 1.25rem;
}

.about-meta a {
  color: var(--text-faint);
}

.about-summary {
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 640px;
}

.cv-section {
  margin-bottom: 3rem;
}

.cv-heading {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.cv-entry {
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

.cv-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.cv-entry-header h4 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}

.cv-entry-header h4 a,
.cv-list a,
.pub-list a,
.cv-institution a {
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--transition), color var(--transition);
}

.cv-entry-header h4 a:hover,
.cv-list a:hover,
.pub-list a:hover,
.cv-institution a:hover {
  text-decoration-color: var(--text-light);
  opacity: 1;
}

.cv-date {
  font-size: 0.8rem;
  color: var(--text-faint);
  white-space: nowrap;
}

.cv-institution {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.cv-detail {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.3rem;
}

.cv-courses {
  font-size: 0.82rem;
  font-style: italic;
  color: var(--text-faint);
}

.cv-list {
  list-style: none;
  padding: 0;
}

.cv-list li {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  padding-left: 1rem;
  position: relative;
}

.cv-list li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: var(--text-faint);
}

.pub-list {
  list-style: none;
  counter-reset: pub;
  padding: 0;
}

.pub-list li {
  counter-increment: pub;
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
}

.pub-list li::before {
  content: counter(pub) '.';
  position: absolute;
  left: 0;
  font-size: 0.8rem;
  color: var(--text-faint);
}

.pub-list li em {
  font-style: italic;
}

.cv-inline-link {
  font-size: 0.85rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  font-style: italic;
  transition: color var(--transition), border-color var(--transition);
}

.cv-inline-link:hover {
  color: var(--text);
  border-color: var(--text-light);
  opacity: 1;
}

/* --- Research Videos --- */
.research-video {
  margin: 1.5rem 0;
  border-radius: 6px;
  overflow: hidden;
}

.research-video video {
  width: 100%;
  display: block;
  border-radius: 6px;
  background: #1a1a1a;
}

/* --- Poetry --- */
.section-poetry {
  background: var(--bg);
}

.poems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 4rem;
}

.poem {
  padding: 2rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.poem:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.04);
}

.poem-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.poem-text {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-light);
}

.poem-text p {
  margin-bottom: 1rem;
}

.poem-text p:last-child {
  margin-bottom: 0;
}

.poem-placeholder {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-faint);
}

.poem {
  cursor: pointer;
}

/* --- Poem Modal --- */
.poem-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(248, 246, 243, 0.0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, backdrop-filter 0.4s ease, background 0.4s ease;
}

.poem-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
  background: rgba(248, 246, 243, 0.92);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
}

.poem-modal {
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 3.5rem 3rem;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s ease;
}

.poem-modal-overlay.open .poem-modal {
  transform: translateY(0) scale(1);
}

/* Shared modal close button */
.modal-close {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), transform var(--transition);
  z-index: 301;
}

.modal-close:hover {
  color: var(--text);
  transform: rotate(90deg);
}

.poem-modal .poem-title {
  font-size: 2.4rem;
  margin-bottom: 2rem;
  text-align: center;
}

.poem-modal .poem-text {
  font-size: 1.15rem;
  line-height: 2;
}

.poem-modal .poem-text p {
  margin-bottom: 1.5rem;
}

/* --- Photo Lightbox --- */
.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(20, 18, 16, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, background 0.3s ease;
}

.photo-lightbox.open {
  opacity: 1;
  pointer-events: auto;
  background: rgba(20, 18, 16, 0.92);
}

.photo-lightbox .modal-close {
  color: rgba(255, 255, 255, 0.7);
}

.photo-lightbox .modal-close:hover {
  color: #fff;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 4px;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.photo-lightbox.open .lightbox-img {
  transform: scale(1);
}

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 2.5rem;
  cursor: pointer;
  padding: 1rem;
  transition: color var(--transition);
  z-index: 301;
  line-height: 1;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  color: #fff;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

@media (max-width: 768px) {
  .poem-modal {
    padding: 2.5rem 1.5rem;
  }

  .poem-modal .poem-title {
    font-size: 1.8rem;
  }

  .poem-modal .poem-text {
    font-size: 1.05rem;
  }

  .modal-close {
    top: 1rem;
    right: 1rem;
  }

  .lightbox-prev,
  .lightbox-next {
    font-size: 1.8rem;
    padding: 0.5rem;
  }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

/* --- Photos --- */
.section-photos {
  background: var(--bg);
}

.section-photos .container {
  max-width: 1100px;
}

.photo-gallery {
  columns: 3;
  column-gap: 0.6rem;
}

.photo-item {
  break-inside: avoid;
  margin-bottom: 0.6rem;
  border-radius: 4px;
  overflow: hidden;
}

.photo-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease, filter 0.4s ease;
  filter: saturate(0.9);
}

.photo-item:hover img {
  transform: scale(1.03);
  filter: saturate(1);
}

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--text-faint);
  font-size: 0.8rem;
  text-align: center;
  gap: 0.3rem;
}

.photo-placeholder span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
}

.photo-placeholder p {
  font-size: 0.7rem;
}

/* --- Thoughts --- */
.section-research {
  background: var(--bg-alt);
}

.section-thoughts {
  background: var(--bg-alt);
}

.thoughts-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.thought {
  padding: 2rem 2.5rem;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.thought:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.thought.expanded {
  cursor: default;
  padding: 2.5rem;
}

.thought.expanded:hover {
  transform: none;
  box-shadow: none;
}

.thought-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
  transition: margin var(--transition), padding var(--transition);
}

.thought.expanded .thought-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.thought-preview {
  font-size: 0.9rem;
  color: var(--text-faint);
  line-height: 1.7;
  margin-top: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.thought.expanded .thought-preview {
  display: none;
}

.thought-body {
  display: none;
}

.thought.expanded .thought-body {
  display: block;
}

.thought-collapse {
  display: none;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.thought.expanded .thought-collapse {
  display: block;
}

.thought-collapse button {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  cursor: pointer;
  transition: color var(--transition);
}

.thought-collapse button:hover {
  color: var(--text);
}

.thought-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
}

.thought-date {
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.thought-body h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 1.75rem 0 0.75rem;
  color: var(--text);
}

.thought-body h4:first-child {
  margin-top: 0;
}

.thought-body p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.thought-body p:last-child {
  margin-bottom: 0;
}

.thought-body strong {
  font-weight: 500;
  color: var(--text);
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.25rem;
}

.footer-links a {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
}

.footer-contact {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.footer-contact a {
  color: var(--text-faint);
}

.footer-divider {
  margin: 0 0.5rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-faint);
}

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

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 246, 243, 0.97);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: -1;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    z-index: 99;
  }

  .nav-link {
    font-size: 1rem;
    letter-spacing: 0.12em;
  }

  .section {
    padding: 6rem 0 4rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .home-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 280px;
  }

  .poems-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .photo-gallery {
    columns: 2;
  }

  .thought {
    padding: 1.5rem;
  }

  .thought-title {
    font-size: 1.4rem;
  }

  .cv-entry-header {
    flex-direction: column;
    gap: 0.15rem;
  }

  .container {
    padding: 0 1.25rem;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
  }

  .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
  }

  .footer-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .home-title {
    font-size: 2.8rem;
  }

  .photo-gallery {
    columns: 1;
  }
}

/* --- Empty states --- */
.empty-state {
  font-size: 0.9rem;
  color: var(--text-faint);
  text-align: center;
  padding: 4rem 2rem;
  font-style: italic;
}

.empty-state code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  background: var(--bg-alt);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* --- Print --- */
@media print {
  .nav, .footer, .section-home, .section-poetry, .section-photos, .section-thoughts {
    display: none;
  }

  .section-about {
    padding: 0;
    min-height: auto;
  }

  .cv-entry {
    break-inside: avoid;
  }
}