/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Warm cream / dark ink palette */
  --bg: #f5f2eb;
  --bg-modal: #faf8f4;
  --fg: #111111;
  --fg-secondary: #222222;
  --fg-muted: #444444;
  --border: rgba(0, 0, 0, 0.15);
  --border-active: rgba(0, 0, 0, 0.5);

  /* Fonts — elegant serifs */
  --font-display: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --font-body: 'Lora', 'Times New Roman', Georgia, serif;

  /* Misc */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  cursor: default;
}

a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--fg-muted);
  transition: border-color var(--transition-fast);
}

a:hover {
  border-color: var(--fg);
}

::selection {
  background: rgba(0, 0, 0, 0.1);
  color: var(--fg);
}

/* ============================================
   WORLD CONTAINER (pannable)
   ============================================ */
#world {
  position: absolute;
  will-change: transform;
}

/* Subtle dot grid texture */
#world::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ============================================
   CENTRAL NODE
   ============================================ */
.center-node {
  position: absolute;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: default;
  user-select: none;
  opacity: 0;
  translate: -50% -50%;
  animation: fade-in-up 1s ease 0.2s forwards;
}

.center-node::before {
  content: '';
  position: absolute;
  width: 120%;
  height: 140%;
  background: radial-gradient(ellipse at center, var(--bg) 40%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.center-node__name {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--fg);
}

.center-node__subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  font-style: italic;
  color: var(--fg-muted);
  margin-top: 10px;
  letter-spacing: 0.12em;
}

.center-node__divider {
  width: 40px;
  height: 1px;
  background: var(--fg-muted);
  margin: 14px auto 0;
  opacity: 0.4;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   CATEGORY NODES
   ============================================ */
.category-node {
  position: absolute;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px 16px;
  cursor: pointer;
  user-select: none;
  transition: transform var(--transition-fast);
  opacity: 0;
  translate: -50% -50%;
}

.category-node:hover {
  transform: scale(1.08);
}

.category-node:hover .category-node__label {
  color: var(--fg);
}

.category-node:hover .category-node__ring {
  border-color: var(--border-active);
}

/* The circle ring */
.category-node__ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-smooth);
  margin-bottom: 10px;
  background: var(--bg);
}

.category-node.connected .category-node__ring {
  border-color: var(--border-active);
}

.category-node__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-secondary);
}

.category-node__label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  transition: color var(--transition-fast);
}

.category-node__action {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--fg-muted);
  margin-top: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--transition-fast);
}

.category-node:hover .category-node__action {
  opacity: 1;
  transform: translateY(0);
  color: var(--fg);
}

/* ============================================
   SVG CONNECTION LINES
   ============================================ */
#connections-svg {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 5;
  pointer-events: none;
}

@keyframes fade-in-line {
  from { opacity: 0; }
  to { opacity: 0.6; }
}

/* Dotted line (default — before click) */
.connection-line {
  stroke: var(--fg);
  stroke-width: 0.8;
  fill: none;
  opacity: 0; /* starts hidden for animation */
  stroke-dasharray: 4 8;
  transition: stroke-dasharray 0.8s ease, opacity 0.8s ease;
}

/* Solid line (after click or on hover) */
.connection-line.active,
.connection-line.hover {
  stroke-dasharray: 1000 0;
  opacity: 0.9 !important;
}

/* Endpoint dots */
.connection-dot {
  fill: var(--fg);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.connection-dot.active {
  opacity: 0.3;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 242, 235, 0.97);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  position: relative;
  width: 90%;
  max-width: 620px;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  padding: 48px 44px 40px;
  transform: translateY(20px);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-card::-webkit-scrollbar {
  width: 4px;
}

.modal-card::-webkit-scrollbar-track {
  background: transparent;
}

.modal-card::-webkit-scrollbar-thumb {
  background: var(--fg-muted);
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  border-color: var(--fg-secondary);
  color: var(--fg);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  color: var(--fg);
}

.modal-title__icon {
  font-style: italic;
  margin-right: 8px;
}

.modal-divider {
  width: 30px;
  height: 1px;
  background: var(--fg-muted);
  margin-bottom: 28px;
  opacity: 0.4;
}

/* Section cards inside modal */
.section-card {
  border-left: 1px solid var(--border);
  padding: 0 0 0 20px;
  margin-bottom: 28px;
}

.section-card:last-child {
  margin-bottom: 0;
}

.section-card__heading {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--fg);
  margin-bottom: 2px;
}

.section-card__sub {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--fg-muted);
  margin-bottom: 12px;
}

.section-card__body {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--fg-secondary);
}

.section-card__body ul {
  list-style: none;
  padding: 0;
}

.section-card__body li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

.section-card__body li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--fg-muted);
  font-size: 0.7rem;
  top: 2px;
}

.learn-more-btn {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--border-active);
  transition: all var(--transition-fast);
}

.learn-more-btn:hover {
  border-color: var(--fg);
  opacity: 0.7;
}

/* Skills pills */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  color: var(--fg-secondary);
  transition: all var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--border-active);
  color: var(--fg);
}

/* Contact links */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  color: var(--fg-secondary);
  font-size: 0.88rem;
  text-decoration: none;
  border-bottom: none;
  transition: all var(--transition-fast);
}

.contact-link:hover {
  border-color: var(--border-active);
  color: var(--fg);
}

.contact-link__icon {
  font-size: 1rem;
  flex-shrink: 0;
  opacity: 0.4;
}

.contact-link strong {
  color: var(--fg);
  font-weight: 400;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.contact-link span {
  font-style: italic;
  font-size: 0.82rem;
  color: var(--fg-secondary);
}

/* Category label */
.skills-category {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
  font-style: italic;
}

/* Contact Form */
.contact-form {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.form-input {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--fg);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input::placeholder {
  color: var(--fg-muted);
  font-style: italic;
}

.form-input:focus {
  border-color: var(--fg);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-submit {
  background: var(--fg);
  color: var(--bg);
  border: none;
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.form-submit:hover {
  opacity: 0.8;
}

/* ============================================
   BOTTOM BAR
   ============================================ */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 14px 24px;
  background: rgba(245, 242, 235, 0.98);
  border-top: 1px solid var(--border);
}

.bottom-bar__link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  border-bottom: none;
  transition: color var(--transition-fast);
}

.bottom-bar__link:hover {
  color: var(--fg);
}

.bottom-bar__link svg {
  width: 14px;
  height: 14px;
  opacity: 0.4;
}

/* ============================================
   PAN HINT
   ============================================ */
.pan-hint {
  position: fixed;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-style: italic;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  opacity: 0.6;
  transition: opacity 1s ease;
  pointer-events: none;
}

.pan-hint.hidden {
  opacity: 0;
}

/* ============================================
   CURSOR
   ============================================ */
#world {
  cursor: grab;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .center-node__name {
    font-size: 2.2rem;
  }

  .category-node__ring {
    width: 64px;
    height: 64px;
  }

  .category-node__icon {
    font-size: 1.3rem;
  }

  .category-node__label {
    font-size: 0.75rem;
  }

  .modal-card {
    padding: 32px 24px 28px;
  }

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

  .bottom-bar__link span {
    display: none;
  }
}

@media (max-width: 480px) {
  .center-node__name {
    font-size: 1.7rem;
  }

  .category-node__ring {
    width: 54px;
    height: 54px;
  }

  .category-node__label {
    font-size: 0.65rem;
  }
}