:root {
  --bg:        #0b0e0c;
  --surface:   #101510;
  --surface-2: #161d16;
  --text:      #d4d0c8;
  --text-dim:  #4d6b58;
  --accent:    #3ddc84;
  --accent-dim: #0f2e1a;
  --border:    #1c261e;
  --dot:       #3ddc84;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Courier New', 'Courier', 'Lucida Console', monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  /* 8px minor grid, 32px major grid */
  background-image:
    linear-gradient(rgba(61,220,132,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,220,132,0.06) 1px, transparent 1px),
    linear-gradient(rgba(61,220,132,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,220,132,0.02) 1px, transparent 1px);
  background-size: 32px 32px, 32px 32px, 8px 8px, 8px 8px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11,14,12,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 3rem;
}

.header-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-dim);
}

.header-name > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

header h1 {
  font-size: 1rem;
  font-weight: normal;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.header-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8ab89a;
  margin-top: 0.2rem;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  color: var(--text-dim);
  display: flex;
  align-items: center;
  transition: color 0.15s;
}
nav a:hover { color: var(--accent); }
nav svg { width: 18px; height: 18px; }

main {
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 4rem 2rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.timeline {
  position: relative;
  padding-left: 2.4rem;
  flex: 1;
}

/* wandering SVG line — S-curve tiles seamlessly every 80px */
.timeline::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 12px;
  bottom: 0;
  width: 24px;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='80'><path d='M 12,0 C 21,20 3,60 12,80' stroke='%230f2e1a' stroke-width='1.5' fill='none'/></svg>");
  background-repeat: repeat-y;
  background-size: 24px 80px;
  filter: drop-shadow(0 0 3px rgba(61,220,132,0.45));
}

.timeline-section {
  position: relative;
  margin-bottom: 4.5rem;
}

/* logo bullet */
.timeline-logo {
  position: absolute;
  left: calc(-2.4rem - 6px);
  top: 2px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  background: var(--surface);
  object-fit: contain;
  display: block;
  box-shadow: 0 0 10px rgba(61,220,132,0.35);
}

.timeline-meta {
  margin-bottom: 1.5rem;
}

.timeline-dates {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8ab89a;
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-size: 1.1rem;
  font-weight: normal;
  color: var(--text);
  letter-spacing: 0.04em;
}

.timeline-subtitle {
  font-size: 0.82rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-top: 0.15rem;
  opacity: 0.8;
}

.projects {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
}

.project-thumb {
  position: relative;
  width: 192px;
  aspect-ratio: 16 / 9;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* scatter rotations */
.project-thumb:nth-child(4n+1) { transform: rotate(-1.6deg); }
.project-thumb:nth-child(4n+2) { transform: rotate(1.4deg);  margin-top: 10px; }
.project-thumb:nth-child(4n+3) { transform: rotate(-0.7deg); margin-top: -5px; }
.project-thumb:nth-child(4n+4) { transform: rotate(2.1deg);  margin-top: 6px; }

.project-thumb:hover {
  transform: rotate(0deg) scale(1.07) !important;
  border-color: var(--accent);
  box-shadow: 0 0 18px rgba(61,220,132,0.25);
  z-index: 2;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.7);
  transition: filter 0.2s;
}
.project-thumb:hover img { filter: saturate(1); }

.thumb-label {
  position: absolute;
  inset: auto 0 0 0;
  background: rgba(8,8,14,0.8);
  color: var(--accent);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  padding: 4px 7px 5px;
  opacity: 0;
  transition: opacity 0.15s;
  text-transform: uppercase;
}
.project-thumb:hover .thumb-label { opacity: 1; }

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5,5,10,0.75);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}
.overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--accent-dim);
  width: 100%;
  max-width: 700px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 2.4rem 2.6rem 2.2rem;
  position: relative;
  box-shadow: inset 3px 0 0 var(--accent), 0 0 40px rgba(61,220,132,0.1);
}

.modal::-webkit-scrollbar { width: 4px; }
.modal::-webkit-scrollbar-track { background: var(--surface); }
.modal::-webkit-scrollbar-thumb { background: var(--accent-dim); }

.modal-close {
  position: absolute;
  top: 0.9rem;
  right: 1.1rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-dim);
  font-family: inherit;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--accent); }

.modal-title {
  font-size: 1.2rem;
  font-weight: normal;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 1.3rem;
  padding-right: 2rem;
  text-transform: uppercase;
}

.modal-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  margin-bottom: 1.3rem;
  border: 1px solid var(--border);
}
.modal-video iframe,
.modal-video video {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.modal-description {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.tech-heading {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}

.tech-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-list li {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  text-transform: uppercase;
}

@media (max-width: 600px) {
  header { padding: 1rem 1.2rem; }
  nav { gap: 1rem; }
  main { padding: 2.5rem 1rem 0 2.2rem; }
  .modal { padding: 1.8rem 1.3rem 1.6rem; }
  .timeline { padding-left: 2.2rem; }
  .timeline-logo { left: calc(-2.2rem - 6px); }
  .project-thumb { width: 160px; }
}