@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Inter:wght@300;400;500&display=swap');

:root {
  --accent: #00C9A7;
  --bg-dark: #0a0a0f;
  --bg-card: #111827;
  --bg-hero: #0d1117;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --border: rgba(255, 255, 255, 0.08);
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── HEADER / NAV ── */

header.subsite-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo-link {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-monogram {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 400;
}

nav.subsite-nav a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 1.5rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

nav.subsite-nav a:hover,
nav.subsite-nav a.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.back-home-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 1.5rem;
  transition: color 0.2s;
}

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

/* ── HERO BANNER ── */

.subsite-hero {
  padding: 6rem 2.5rem 5rem;
  min-height: 340px;
  background: linear-gradient(135deg,
    var(--hero-start, #0a0a0f) 0%, var(--hero-end, #111827) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.hero-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  height: 2px;
  background: var(--accent);
  width: 0;
  animation: drawUnderline 1s ease forwards 0.5s;
}

@keyframes drawUnderline {
  to { width: 100%; }
}

.hero-tagline {
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  color: var(--text-secondary);
  margin-top: 0.75rem;
  max-width: 600px;
}

/* ── PROJECT GRID ── */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  padding: 2.5rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover img {
  transform: scale(1.05);
}

.card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.88));
  padding: 3rem 1.2rem 1.2rem;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}

.project-card:hover .card-overlay {
  transform: translateY(0);
}

.overlay-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.card-caption {
  padding: 0.9rem 1rem 1rem;
}

.card-caption strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  color: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ── SECTION TITLES ── */

.section-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 2.5rem 2.5rem 0;
  position: relative;
}

.section-title::before {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 0.5rem;
}

/* ── SKILLS SECTION ── */

.skills-section {
  padding: 2.5rem;
}

.skill-group {
  margin-bottom: 2rem;
}

.skill-group h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.skill-tools {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.skill-bar-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── ABOUT SECTION ── */

.about-section {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding: 2.5rem;
  align-items: start;
}

.about-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--accent);
  filter: grayscale(20%);
}

.about-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.stat-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--accent);
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── AWARDS SECTION ── */

.awards-section {
  padding: 2.5rem;
}

.award-card {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.25rem;
  margin-bottom: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s;
}

.award-card:hover {
  border-color: var(--accent);
}

.award-year {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0, 201, 167, 0.1);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  align-self: flex-start;
}

.award-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.award-institution {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.awards-photo {
  width: 100%;
  max-width: 320px;
  border-radius: 8px;
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  display: block;
}

/* ── FOOTER ── */

footer.subsite-footer {
  padding: 2.5rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

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

/* ── IMAGE LOADING SPINNER ── */

.project-card {
  position: relative;
}

.project-card .img-wrapper {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  aspect-ratio: 16 / 9;
}

.project-card .img-wrapper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: imgSpin 0.7s linear infinite;
  z-index: 1;
  transition: opacity 0.3s;
}

.project-card .img-wrapper.loaded::before {
  opacity: 0;
  pointer-events: none;
}

@keyframes imgSpin {
  to { transform: rotate(360deg); }
}

/* ── HERO CANVAS (subsites) ── */

.subsite-hero {
  position: relative;
  overflow: hidden;
}

.subsite-hero canvas.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.subsite-hero .hero-content {
  position: relative;
  z-index: 1;
}

/* Architecture hero slideshow */
.hero-slideshow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease, transform 8s linear;
  transform: scale(1);
}

.hero-slide.active {
  opacity: 0.95;
  transform: scale(1.08);
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.7);
}

.hero-slideshow::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg,
    var(--hero-start, #0a0a0f) 0%,
    rgba(10, 10, 15, 0.4) 50%,
    var(--hero-end, #111827) 100%);
  z-index: 1;
}

/* ── CAREER TIMELINE ── */

.timeline-section {
  padding: 2.5rem;
  overflow-x: auto;
}

.career-timeline {
  position: relative;
  min-width: 800px;
  height: 380px;
  margin: 1.5rem 0;
}

/* Central horizontal line */
.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
  transform: translateY(-50%);
}

/* Year markers along the line */
.timeline-years {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 2%;
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  color: var(--text-muted);
  position: relative;
  top: -14px;
}

.timeline-year::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 8px;
  background: var(--text-muted);
  opacity: 0.4;
}

/* Milestone items */
.tl-item {
  position: absolute;
  transform: translateX(-50%);
  cursor: pointer;
}

/* Education — above the line */
.tl-item.edu {
  top: 8px;
}

.tl-item.edu .tl-connector {
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 1px;
  background: var(--accent);
  opacity: 0.4;
}

/* Work — below the line */
.tl-item.work {
  bottom: 8px;
}

.tl-item.work .tl-connector {
  position: absolute;
  top: -1px;
  left: 50%;
  width: 1px;
  background: var(--accent);
  opacity: 0.4;
}

/* The dot on the timeline */
.tl-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-dark);
  margin: 0 auto 6px;
  position: relative;
  z-index: 2;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tl-item.work .tl-dot {
  margin: 6px auto 0;
}

.tl-item:hover .tl-dot {
  transform: scale(1.4);
  box-shadow: 0 0 12px var(--accent);
}

/* Card content */
.tl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  width: 140px;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tl-item:hover .tl-card {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.tl-role {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.tl-place {
  font-size: 0.68rem;
  color: var(--accent);
  margin-top: 2px;
}

.tl-period {
  font-size: 0.62rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hover tooltip */
.tl-tooltip {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 10;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.tl-item.edu .tl-tooltip {
  top: calc(100% + 45px);
}

.tl-item.work .tl-tooltip {
  bottom: calc(100% + 45px);
}

.tl-item:hover .tl-tooltip {
  opacity: 1;
  pointer-events: auto;
}

/* Duration bar */
.tl-bar {
  position: absolute;
  top: calc(50% - 3px);
  height: 6px;
  background: var(--accent);
  opacity: 0.12;
  border-radius: 3px;
  z-index: 0;
}

/* Timeline area chart */
.tl-chart {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  color: var(--accent);
}

/* Progression line — white, always rising */
.tl-progression {
  fill: none;
  stroke: rgba(255, 255, 255, 0.45);
  stroke-width: 1.8;
  stroke-linecap: round;
}

/* Filled period areas — stack & overlap */
.tl-area-edu {
  fill: currentColor;
  opacity: 0.1;
}

.tl-area-work {
  fill: currentColor;
  opacity: 0.08;
}

.tl-area-edge {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  opacity: 0.3;
}

.tl-chart .tl-area-group {
  animation: areaFadeIn 1.5s ease forwards;
  opacity: 0;
}

.tl-chart .tl-area-group:nth-child(1) { animation-delay: 0.2s; }
.tl-chart .tl-area-group:nth-child(2) { animation-delay: 0.5s; }
.tl-chart .tl-area-group:nth-child(3) { animation-delay: 0.8s; }
.tl-chart .tl-area-group:nth-child(4) { animation-delay: 0.3s; }
.tl-chart .tl-area-group:nth-child(5) { animation-delay: 0.5s; }
.tl-chart .tl-area-group:nth-child(6) { animation-delay: 0.7s; }
.tl-chart .tl-area-group:nth-child(7) { animation-delay: 0.9s; }

.tl-chart .tl-line-group {
  animation: areaFadeIn 2s ease forwards;
  opacity: 0;
  animation-delay: 0.1s;
}

@keyframes areaFadeIn {
  to { opacity: 1; }
}

/* Clickable areas */
.tl-area-edu,
.tl-area-work {
  cursor: pointer;
  pointer-events: all;
  transition: opacity 0.3s;
}

.tl-area-edu:hover {
  opacity: 0.2;
}

.tl-area-work:hover {
  opacity: 0.16;
}

/* Area click tooltip */
.tl-area-tip {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  max-width: 260px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  z-index: 20;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.tl-area-tip.visible {
  opacity: 1;
  pointer-events: auto;
}

.tl-area-tip .tip-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tl-area-tip .tip-place {
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 6px;
}

/* Section labels — big & bold, near chart centre */
.tl-label {
  position: absolute;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  opacity: 0.7;
  left: 0;
}

.tl-label-edu {
  top: 30%;
  transform: translateY(-50%);
}

.tl-label-work {
  bottom: 22%;
  transform: translateY(50%);
}

.tl-area-tip .tip-duration {
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
  opacity: 0.85;
}

/* ── REVEAL ANIMATIONS ── */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(1) { transition-delay: 0.0s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }
.reveal:nth-child(7) { transition-delay: 0.6s; }
.reveal:nth-child(8) { transition-delay: 0.7s; }

/* ── MOBILE ── */

@media (max-width: 768px) {
  header.subsite-header {
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
  }

  nav.subsite-nav {
    width: 100%;
    order: 1;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    margin-top: 0.5rem;
  }

  nav.subsite-nav a {
    margin-left: 0.75rem;
    font-size: 0.8rem;
  }

  nav.subsite-nav a:first-child {
    margin-left: 0;
  }

  .about-section {
    grid-template-columns: 1fr;
  }

  .about-photo {
    width: 150px;
    height: 150px;
    margin: 0 auto;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .subsite-hero {
    padding: 4rem 1.5rem 3rem;
    min-height: 260px;
  }

  .section-title {
    padding: 2rem 1.5rem 0;
  }

  .skills-section,
  .awards-section,
  .about-section,
  .timeline-section {
    padding: 1.5rem;
  }

  .career-timeline {
    min-width: 700px;
    height: 360px;
  }

  .tl-card {
    width: 120px;
    padding: 0.5rem 0.6rem;
  }

  .tl-role {
    font-size: 0.68rem;
  }
}