/* ============================================
   CILLIAN COOKE — PORTFOLIO
   ============================================ */

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

:root {
  --bg: #faf8f5;
  --bg-warm: #f3efe9;
  --bg-card: #ffffff;
  --border: #e4ddd4;
  --text: #1a1a1a;
  --text-muted: #6b6560;
  --accent: #e85d3a;
  --accent-hover: #d14e2d;
  --accent-light: rgba(232, 93, 58, 0.08);
  --blue: #3b6fd4;
  --blue-light: rgba(59, 111, 212, 0.08);
  --green: #2a9d6e;
  --green-light: rgba(42, 157, 110, 0.08);
  --purple: #7c5cbf;
  --purple-light: rgba(124, 92, 191, 0.08);
  --amber: #c48a1a;
  --amber-light: rgba(196, 138, 26, 0.08);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --transition: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* --- Loader --- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 1.5rem;
  transition: opacity 0.5s var(--transition), visibility 0.5s;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-text {
  font-size: 1.5rem; font-weight: 600; color: var(--text);
  overflow: hidden;
}
.loader-text span {
  display: inline-block; opacity: 0;
  transform: translateY(14px);
  animation: letterUp 0.35s var(--spring) forwards;
}
.loader-bar-track {
  width: 140px; height: 3px;
  background: var(--border); border-radius: 3px; overflow: hidden;
}
.loader-bar {
  width: 0%; height: 100%;
  background: var(--accent); border-radius: 3px;
  animation: loadBar 1.5s var(--transition) forwards;
}
@keyframes letterUp { to { opacity: 1; transform: translateY(0); } }
@keyframes loadBar {
  0%   { width: 0%; }
  40%  { width: 55%; }
  80%  { width: 88%; }
  100% { width: 100%; }
}

/* cursor glow — off */
.cursor-glow { display: none; }

/* --- Nav --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(250, 248, 245, 0.85);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}

.nav-logo {
  font-size: 1.1rem; font-weight: 700; color: var(--accent);
  cursor: pointer; transition: opacity 0.3s;
}
.nav-logo:hover { opacity: 0.7; }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  position: relative; cursor: pointer; transition: color 0.3s;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  border-radius: 2px; transition: width 0.3s var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Pages --- */
.page {
  display: none; min-height: 100vh; opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--transition), transform 0.5s var(--transition);
}
.page.active { display: block; }
.page.visible { opacity: 1; transform: translateY(0); }

.section { max-width: 920px; margin: 0 auto; padding: 0 2rem; }

/* --- Hero --- */
.hero { min-height: 100vh; display: flex; align-items: center; }
.hero-content { position: relative; z-index: 2; }

.hero-label {
  font-size: 0.95rem; font-weight: 500; color: var(--accent);
  margin-bottom: 0.75rem; opacity: 0; transform: translateY(8px);
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 3.8rem); font-weight: 700;
  line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 1rem; opacity: 0; transform: translateY(14px);
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--text-muted); max-width: 500px;
  line-height: 1.7; margin-bottom: 1.75rem;
  opacity: 0; transform: translateY(14px);
}
.hero-cta {
  display: flex; gap: 0.75rem;
  opacity: 0; transform: translateY(14px);
}

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-sans); font-size: 0.9rem; font-weight: 500;
  border: 2px solid var(--border); background: var(--bg-card);
  color: var(--text); cursor: pointer;
  transition: all 0.25s var(--transition);
  border-radius: var(--radius-sm);
}
.btn:hover {
  border-color: var(--text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover); border-color: var(--accent-hover);
  box-shadow: 0 4px 14px rgba(232,93,58,0.2);
}
.btn svg { width: 16px; height: 16px; transition: transform 0.25s; }
.btn:hover svg { transform: translateX(2px); }

.hero-line {
  position: absolute; bottom: 3rem; left: 2rem;
  width: 2px; height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 2px; opacity: 0;
  animation: fadeIn 1s 2s forwards;
}
.hero-line::after {
  content: ''; position: absolute; top: -3px; left: -3px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.5s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 0.3; transform: scale(1); }
  50%     { opacity: 1; transform: scale(1.15); }
}
@keyframes fadeIn { to { opacity: 1; } }

/* --- Stats --- */
.stats {
  display: flex; gap: 2.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}
.stat { text-align: center; }
.stat h3 {
  font-size: 1.7rem; font-weight: 700;
  color: var(--accent); margin-bottom: 0.15rem;
}
.stat:nth-child(2) h3 { color: var(--blue); }
.stat:nth-child(3) h3 { color: var(--purple); }
.stat:nth-child(4) h3 { color: var(--green); }
.stat p { font-size: 0.78rem; font-weight: 500; color: var(--text-muted); }

/* --- Selected Work --- */
.selected-work { padding: 4rem 0; }
.selected-work-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem;
}
.selected-work-header h2 { font-size: 1.3rem; font-weight: 700; }
.selected-work-header a {
  font-size: 0.85rem; font-weight: 500;
  color: var(--accent); cursor: pointer;
  transition: opacity 0.3s;
}
.selected-work-header a:hover { opacity: 0.7; }

/* --- Page Headers --- */
.page-header { margin-bottom: 2.5rem; }
.page-header h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.page-header p {
  color: var(--text-muted); font-size: 1.05rem; max-width: 500px;
}

/* --- About --- */
.about-page { padding-top: 8rem; padding-bottom: 5rem; }

.about-grid {
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: 3rem; margin-bottom: 3.5rem;
}
.about-text p {
  color: var(--text-muted); margin-bottom: 1rem; line-height: 1.75;
}
.about-text p strong { color: var(--text); font-weight: 600; }

.about-details {
  display: flex; flex-direction: column; gap: 1.5rem;
}
.detail-block h3 {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted); margin-bottom: 0.5rem;
}
.detail-block p, .detail-block li { font-size: 0.95rem; }
.detail-block ul {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem;
}
.detail-block ul li {
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  font-size: 0.78rem; font-weight: 500;
  background: var(--blue-light); color: var(--blue);
}
.detail-block ul li:nth-child(3n+2) {
  background: var(--green-light); color: var(--green);
}
.detail-block ul li:nth-child(3n) {
  background: var(--purple-light); color: var(--purple);
}

/* Timeline */
.timeline { margin-top: 2.5rem; }
.timeline h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.75rem; }
.timeline-items {
  padding-left: 1.5rem; border-left: 2px solid var(--border);
}
.timeline-item { padding-bottom: 1.75rem; position: relative; }
.timeline-item::before {
  content: ''; position: absolute;
  left: -1.5rem; top: 5px;
  width: 10px; height: 10px;
  background: var(--bg); border: 2px solid var(--border);
  border-radius: 50%; transform: translateX(-4px);
}
.timeline-item:first-child::before {
  background: var(--accent); border-color: var(--accent);
}
.timeline-date {
  font-size: 0.8rem; font-weight: 600; color: var(--accent);
  margin-bottom: 0.2rem;
}
.timeline-title { font-weight: 600; font-size: 1rem; margin-bottom: 0.2rem; }
.timeline-desc { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* --- Projects --- */
.projects-page { padding-top: 8rem; padding-bottom: 5rem; }

.projects-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.project-card {
  display: block; padding: 1.5rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s var(--transition);
  overflow: hidden; cursor: pointer; text-decoration: none;
  position: relative;
}
.project-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--accent); opacity: 0;
  transition: opacity 0.3s;
}
.project-card:nth-child(2)::before { background: var(--blue); }
.project-card:nth-child(3)::before { background: var(--purple); }
.project-card:nth-child(4)::before { background: var(--green); }
.project-card:nth-child(5)::before { background: var(--blue); }
.project-card:nth-child(6)::before { background: var(--purple); }

.project-card:hover {
  border-color: #ccc;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}
.project-card:hover::before { opacity: 1; }

.project-card-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 0.5rem;
}
.project-card-number { display: none; }
.project-card-arrow {
  color: var(--text-muted); transition: transform 0.3s, color 0.3s;
}
.project-card:hover .project-card-arrow {
  transform: translate(3px, -3px); color: var(--accent);
}

.project-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.4rem; }
.project-card p {
  color: var(--text-muted); font-size: 0.85rem;
  line-height: 1.6; margin-bottom: 0.85rem;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.project-tag {
  font-size: 0.7rem; font-weight: 500;
  padding: 0.22rem 0.55rem;
  background: var(--accent-light); color: var(--accent);
  border: none; border-radius: 20px;
}
.project-card:nth-child(2) .project-tag {
  background: var(--blue-light); color: var(--blue);
}
.project-card:nth-child(3) .project-tag {
  background: var(--purple-light); color: var(--purple);
}
.project-card:nth-child(4) .project-tag {
  background: var(--green-light); color: var(--green);
}
.project-card:nth-child(5) .project-tag {
  background: var(--blue-light); color: var(--blue);
}
.project-card:nth-child(6) .project-tag {
  background: var(--purple-light); color: var(--purple);
}

/* --- Contact --- */
.contact-page { padding-top: 8rem; padding-bottom: 5rem; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; margin-top: 2rem;
}
.contact-text p { color: var(--text-muted); line-height: 1.75; margin-bottom: 1.5rem; }

.contact-links { display: flex; flex-direction: column; gap: 0.6rem; }
.contact-link {
  display: flex; align-items: center; gap: 0.85rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--transition); cursor: pointer;
}
.contact-link:hover {
  border-color: #ccc; transform: translateX(3px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.contact-link:nth-child(1) .contact-link-icon { color: var(--accent); }
.contact-link:nth-child(2) .contact-link-icon { color: var(--text); }
.contact-link:nth-child(3) .contact-link-icon { color: var(--blue); }

.contact-link-icon { width: 20px; height: 20px; flex-shrink: 0; }
.contact-link-label {
  font-size: 0.7rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em;
}
.contact-link-value { font-size: 0.92rem; font-weight: 500; }

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.form-group input,
.form-group textarea {
  padding: 0.7rem 0.9rem;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font-sans); font-size: 0.9rem;
  outline: none; transition: border-color 0.3s, box-shadow 0.3s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-group textarea { min-height: 100px; }

/* --- Footer --- */
.footer {
  padding: 2rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.82rem; color: var(--text-muted);
  max-width: 920px; margin: 0 auto;
}
.footer-links { display: flex; gap: 1.25rem; }
.footer-links a { font-weight: 500; color: var(--text-muted); transition: color 0.3s; }
.footer-links a:hover { color: var(--accent); }

/* --- Scroll Reveals --- */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.stagger > * {
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.5s var(--transition), transform 0.5s var(--transition);
}
.stagger.revealed > * { opacity: 1; transform: translateY(0); }
.stagger.revealed > *:nth-child(1) { transition-delay: 0.04s; }
.stagger.revealed > *:nth-child(2) { transition-delay: 0.08s; }
.stagger.revealed > *:nth-child(3) { transition-delay: 0.12s; }
.stagger.revealed > *:nth-child(4) { transition-delay: 0.16s; }
.stagger.revealed > *:nth-child(5) { transition-delay: 0.20s; }
.stagger.revealed > *:nth-child(6) { transition-delay: 0.24s; }

/* --- Interests --- */
.interests-section { margin-top: 4rem; }
.interests-section h2 {
  font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem;
}
.interests-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.interest-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform 0.3s, box-shadow 0.3s;
}
.interest-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}
.interest-emoji { font-size: 2rem; margin-bottom: 0.75rem; }
.interest-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.interest-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

.interest-orange { border-top: 3px solid var(--accent); }
.interest-blue { border-top: 3px solid var(--blue); }
.interest-green { border-top: 3px solid var(--green); }
.interest-purple { border-top: 3px solid var(--purple); }

/* --- CV --- */
.cv-page { padding-top: 8rem; padding-bottom: 5rem; }
.cv-container { max-width: 800px; margin: 0 auto; }
.cv-sheet {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.cv-header { text-align: center; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 2px solid var(--border); }
.cv-header h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.25rem; }
.cv-subtitle { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0.6rem; }
.cv-contact-row {
  display: flex; justify-content: center; align-items: center;
  gap: 0.5rem; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--text-muted);
}
.cv-contact-row a { color: var(--accent); text-decoration: none; }
.cv-contact-row a:hover { text-decoration: underline; }
.cv-summary {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 1.75rem; padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.cv-section { margin-bottom: 1.75rem; }
.cv-section h3 {
  font-size: 0.85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}
.cv-entry { margin-bottom: 1.25rem; }
.cv-entry:last-child { margin-bottom: 0; }
.cv-entry-header {
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: 0.5rem;
}
.cv-entry-header strong { font-size: 0.95rem; }
.cv-date { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.cv-place { font-size: 0.8rem; color: var(--text-muted); font-style: italic; margin-bottom: 0.3rem; }
.cv-entry ul {
  list-style: disc; padding-left: 1.25rem;
  margin-top: 0.3rem;
}
.cv-entry ul li {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.55; margin-bottom: 0.15rem;
}
.cv-entry p:not(.cv-place) { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }
.cv-skills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.cv-skill {
  font-size: 0.75rem; font-weight: 500;
  padding: 0.25rem 0.6rem;
  background: var(--accent-light); color: var(--accent);
  border-radius: 20px;
}
.cv-section:last-child { margin-bottom: 0; }
.cv-skills-list p {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.6; margin-bottom: 0.35rem;
}
.cv-skills-list p:last-child { margin-bottom: 0; }
.cv-section > ul { list-style: disc; padding-left: 1.25rem; }
.cv-section > ul li {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.55; margin-bottom: 0.25rem;
}

/* --- Books / Comics --- */
.books-page { padding-top: 8rem; padding-bottom: 5rem; }
.shelf-section { margin-top: 3rem; margin-bottom: 0.5rem; }
.shelf-section:first-of-type { margin-top: 0; }
.shelf-section h2 {
  font-size: 1.4rem; font-weight: 700;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-top: 1.25rem;
  margin-bottom: 1rem;
}
.book-card {
  text-align: center;
  transition: transform 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.book-card:hover {
  transform: translateY(-4px);
}
.book-cover {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  transition: box-shadow 0.3s;
  background: var(--border);
}
.book-card:hover .book-cover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.book-card h3 {
  font-size: 0.85rem; font-weight: 600;
  margin-top: 0.75rem; margin-bottom: 0.15rem;
  line-height: 1.3;
}
.book-author {
  font-size: 0.75rem; color: var(--text-muted);
  font-style: italic;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 240px; background: var(--bg);
    border-left: 1px solid var(--border);
    flex-direction: column; padding: 5rem 1.5rem 2rem;
    gap: 1.1rem; transform: translateX(100%);
    transition: transform 0.4s var(--transition); z-index: 99;
    box-shadow: -4px 0 16px rgba(0,0,0,0.05);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-toggle { display: flex; z-index: 101; }
  .section { padding: 0 1.25rem; }
  .hero-line { left: 1.25rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .interests-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: 1fr; }
  .cv-sheet { padding: 1.5rem; }
  .stats { flex-wrap: wrap; gap: 1.5rem; }
  .footer {
    flex-direction: column; gap: 0.5rem;
    text-align: center; padding: 1.5rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-cta { flex-direction: column; }
  .btn { justify-content: center; }
}