/* ============================================================
   andreworr.ca - Design System
   Dark navy + gold accent, left sidebar layout
   ============================================================ */

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

:root {
  --bg: #0a0e1a;
  --surface: #111827;
  --border: #1c2740;
  --text: #e2e4e9;
  --text-muted: #7a8599;
  --accent: #d4a017;
  --accent-dim: rgba(212, 160, 23, 0.12);

  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', monospace;

  --sidebar-w: 16rem;
  --container: 64rem;
  --gutter: 2rem;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #fff;
}

img {
  max-width: 100%;
  display: block;
}

/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 200;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255, 255, 255, 0.007) 3px,
    rgba(255, 255, 255, 0.007) 4px
  );
  pointer-events: none;
}

.sidebar__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 2rem 1.5rem;
}

.sidebar__name {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 3rem;
}

.sidebar__name:hover {
  color: var(--accent);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sidebar__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  border-left: 2px solid transparent;
  margin-left: -0.75rem;
  transition: color 0.15s ease, border-color 0.15s ease, padding-left 0.15s ease;
  letter-spacing: 0.01em;
}

.sidebar__link:hover {
  color: var(--text);
  padding-left: 1rem;
}

.sidebar__link.active {
  color: var(--text);
  border-left-color: var(--accent);
}

.sidebar__footer {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar__contact {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.sidebar__contact-link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.sidebar__contact-link:hover {
  color: var(--text);
}

.sidebar__meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

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

.sidebar__meta-link:hover {
  color: var(--text);
}

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

/* --- Mobile Sidebar Toggle --- */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 300;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  transition: border-color 0.15s ease;
}

.sidebar-toggle:hover {
  border-color: var(--text-muted);
}

.sidebar-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.sidebar-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(2.25px, 2.25px);
}

.sidebar-toggle.open span:nth-child(2) {
  opacity: 0;
}

.sidebar-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(2.25px, -2.25px);
}

/* --- Sidebar Overlay (Mobile) --- */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* --- Content Area --- */
.site-content {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  animation: fadeUp 0.4s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  padding: 0 var(--gutter);
}

/* --- Hero (Landing) --- */
.hero {
  padding: 6rem 0 4rem;
}

.hero__inner {
  max-width: 44rem;
}

.hero__name {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.hero__title {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.hero__bio {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 36rem;
}

/* --- Section Cards (Landing) --- */
.section-cards {
  padding: 3rem 0 4rem;
}

.section-cards__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.section-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  background: var(--surface);
  transition: border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.section-card:hover {
  border-color: var(--text-muted);
}

.section-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.section-card__title {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-card__title a {
  color: var(--text);
}

.section-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.section-card:hover .section-card__title a {
  color: var(--accent);
}

.section-card__desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  flex: 1;
}

.section-card__arrow {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-block;
}

.section-card:hover .section-card__arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* --- Page Header (Subpages) --- */
.page-header {
  padding: 4rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.page-header__title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.page-header__desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 40rem;
}

/* --- Project Section Headings --- */
.project-section-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.project-section-heading:not(:first-child) {
  margin-top: 2.5rem;
}

/* --- Project Cards --- */
.projects {
  padding: 3rem 0 4rem;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.project-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.75rem 2rem;
  background: var(--surface);
  transition: border-color 0.2s ease;
}

.project-card:hover {
  border-color: var(--text-muted);
}

.project-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.project-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-card__title a {
  color: var(--text);
}

.project-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
}

.project-card:hover .project-card__title a {
  color: var(--accent);
}

.project-card__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 0.15rem;
}

.project-card--no-link {
  cursor: default;
}

.project-card--no-link .project-card__title {
  color: var(--text);
}

.project-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.project-card__list a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.project-card__list a:hover {
  color: var(--accent);
}

.project-card__desc {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-card__desc a {
  position: relative;
  z-index: 1;
}

.project-card__desc:last-child {
  margin-bottom: 0;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  letter-spacing: 0.01em;
}

.project-card__links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.project-card__link {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --gutter: 1.25rem;
  }

  .sidebar {
    transform: translateX(-100%);
    will-change: transform;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
  }

  .site-content {
    margin-left: 0;
  }

  .hero {
    padding: 4.5rem 0 2.5rem;
  }

  .hero__name {
    font-size: 2.5rem;
  }

  .hero__bio {
    font-size: 1rem;
  }

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

  .page-header {
    padding: 4.5rem 0 1.5rem;
  }

  .page-header__title {
    font-size: 2rem;
  }

  .project-card {
    padding: 1.25rem 1.5rem;
  }

  .project-card__top {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 480px) {
  .hero__name {
    font-size: 2rem;
  }
}