/* ──────────────────────────────────────────────
   Re:wire — Main Stylesheet
   ────────────────────────────────────────────── */

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

:root {
  --color-primary: #EB5030;
  --color-primary-dim: #C84428;
  --color-dark: #EDEDED;
  --color-text: #D0D3D7;
  --color-text-light: #8A9199;
  --color-bg: #0C0D0F;
  --color-bg-alt: #111214;
  --color-border: #1F2125;
  --color-accent: #EB5030;
  --color-card: #151618;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Avenir Next", "Inter", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

[data-theme="light"] {
  --color-primary: #D84425;
  --color-primary-dim: #B8391E;
  --color-dark: #283038;
  --color-text: #333;
  --color-text-light: #666;
  --color-bg: #FFFFFF;
  --color-bg-alt: #FBF7F5;
  --color-border: #E8E0DC;
  --color-accent: #D84425;
  --color-card: #FFFFFF;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}

a { color: var(--color-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-dark); }

img { max-width: 100%; height: auto; }

/* ── Container ─────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Header ────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo img { height: 40px; width: auto; }

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.site-nav .nav-list {
  list-style: none;
  display: flex;
  gap: var(--space-md);
}

.site-nav .nav-list a {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.site-nav .nav-list a:hover,
.site-nav .nav-list a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  transition: transform 0.3s;
}

/* ── Main ──────────────────────────────────── */
.site-main { min-height: 60vh; }

/* ── Hero ──────────────────────────────────── */
.hero {
  padding: var(--space-xl) 0;
  text-align: center;
}

.hero-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-logo img {
  max-width: 320px;
  width: 100%;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero .tagline {
  font-size: 1.35rem;
  color: var(--color-primary);
  max-width: 600px;
  margin: 0 auto var(--space-md);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero .description {
  font-size: 1.05rem;
  color: var(--color-text);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── Pillar Bands ──────────────────────────── */
.pillar-band {
  padding: var(--space-lg) 0;
}

.pillar {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.pillar--reverse {
  flex-direction: row-reverse;
}

.pillar-icon {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 180px;
  height: 180px;
  color: var(--color-primary);
}

.pillar-content h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.pillar-content p {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.pillar-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
}

.pillar-link:hover {
  color: var(--color-dark);
}

/* ── Section ───────────────────────────────── */
.section {
  padding: var(--space-md) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

/* ── Page Header ───────────────────────────── */
.page-header {
  padding: var(--space-lg) 0 var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-primary);
}

.page-header p {
  color: var(--color-text-light);
  font-size: 1.1rem;
  margin-top: var(--space-xs);
}

/* ── Cards Grid ────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-md);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border-color: var(--color-border);
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

.card .card-member {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.card .card-papers {
  margin-top: var(--space-sm);
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.card .card-papers li { margin-bottom: 0.3rem; }

.card .key-questions {
  margin-top: var(--space-sm);
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.card .key-questions li { margin-bottom: 0.3rem; }

/* ── Members ───────────────────────────────── */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.member-card {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-md);
}

.member-card .member-photo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

.member-card .member-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.15rem;
}

.member-card .member-role {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 0.3rem;
}

.member-card .member-affiliation {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 0.4rem;
}

.member-card .member-bio {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.member-card .member-links {
  margin-top: var(--space-xs);
  display: flex;
  gap: var(--space-sm);
  font-size: 0.85rem;
}

/* ── Publications ──────────────────────────── */
.pub-list { list-style: none; }

.pub-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.pub-item:last-child { border-bottom: none; }

.pub-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.pub-title a { color: var(--color-dark); }
.pub-title a:hover { color: var(--color-primary); }

.pub-authors {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.pub-venue {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-style: italic;
}

.pub-links {
  margin-top: var(--space-xs);
  display: flex;
  gap: var(--space-sm);
  font-size: 0.85rem;
}

.pub-links a {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--color-primary);
  border-radius: 3px;
  font-weight: 500;
}
.pub-links a:hover {
  background: var(--color-primary);
  color: #fff;
}

.pub-tags {
  margin-top: var(--space-xs);
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.pub-tag {
  font-size: 0.75rem;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}

/* ── Meetup ────────────────────────────────── */
.meetup-info {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.meetup-info dt {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.meetup-info dd {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.meetup-cta {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.2s;
}
.meetup-cta:hover { background: var(--color-dark); color: var(--color-bg); }

/* ── Join / Profile Cards ──────────────────── */
.join-intro {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  max-width: 750px;
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.profile-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
}

.profile-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.profile-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: var(--space-sm);
}

.profile-cta {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  align-self: flex-start;
  transition: background 0.2s, color 0.2s;
}

.profile-cta:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* ── Event list ────────────────────────────── */
.event-list { list-style: none; }

.event-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.event-date {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}

.event-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-dark);
}

.event-speaker {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ── Empty State ───────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--color-text-light);
  font-size: 1rem;
}

/* ── Footer ────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  margin-top: var(--space-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-name {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.footer-links {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.9rem;
}

.footer-links a { color: var(--color-text-light); }
.footer-links a:hover { color: var(--color-primary); }

/* ── Home Sections Preview ─────────────────── */
.home-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  padding: var(--space-lg) 0;
}

.home-section-card {
  padding: var(--space-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-align: center;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.home-section-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border-color: var(--color-border);
}

.home-section-card h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.home-section-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.home-section-card a.section-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* ── Responsive ────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
    gap: 0;
  }

  .site-nav .nav-list.open { display: flex; }

  .site-nav .nav-list li { padding: var(--space-xs) 0; }

  .hero h1 { font-size: 2.2rem; }
  .hero .tagline { font-size: 1.1rem; }

  .page-header h1 { font-size: 1.8rem; }

  .card-grid { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: 1fr; }

  .footer-content {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .home-sections { grid-template-columns: 1fr; }

  .pillar,
  .pillar--reverse {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .pillar-icon { width: 140px; height: 140px; }
  .pillar-icon svg { width: 120px; height: 120px; }

  .site-header .container { position: relative; }
}