/* ── Solarpunk Theme for Nava ── */
:root {
  --bg: #faf8f0;
  --card-bg: rgba(255, 255, 255, 0.85);
  --green: #2d6a4f;
  --green-light: #40916c;
  --gold: #e9c46a;
  --terracotta: #e07a5f;
  --sage: #81b29a;
  --sky: #a8dadc;
  --text: #3d405b;
  --text-muted: #8b8c89;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(45, 106, 79, 0.06);
}

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse at 10% 20%, rgba(129, 178, 154, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(233, 196, 106, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(250, 248, 240, 0.8);
  border-bottom: 1px solid rgba(45, 106, 79, 0.08);
}
.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: 'Noto Serif SC', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  letter-spacing: 2px;
}
.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover {
  color: var(--green);
}
/* Login dropdown menu */
.nav-login-dropdown {
  position: relative;
}
.nav-login-trigger {
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  user-select: none;
}
.nav-login-trigger:hover {
  color: var(--green);
}
.nav-login-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  min-width: 170px;
  padding: 6px 0;
  z-index: 200;
  white-space: nowrap;
}
.nav-login-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}
.nav-login-dropdown:hover .nav-login-menu {
  display: block;
}
.nav-login-menu a {
  display: block !important;
  padding: 9px 18px !important;
  font-size: 14px !important;
  color: #3d405b !important;
  text-decoration: none !important;
  font-weight: 500 !important;
}
.nav-login-menu a:hover {
  background: #f0f2e8 !important;
  color: #2d6a4f !important;
}
/* Dark theme dropdown */
[data-theme="dark"] .nav-login-menu {
  background: rgba(30,36,30,0.97);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
[data-theme="dark"] .nav-login-menu a {
  color: #d0d8cc !important;
}
[data-theme="dark"] .nav-login-menu a:hover {
  background: rgba(45,106,79,0.2) !important;
  color: #81b29a !important;
}
.btn-google {
  background: var(--green);
  color: #fff !important;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px !important;
}
.btn-dev {
  background: var(--gold);
  color: #3d405b !important;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px !important;
}
.lang-switch {
  background: transparent;
  color: var(--green) !important;
  border: 1px solid var(--green);
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px !important;
  text-decoration: none;
  transition: all .2s;
}
.lang-switch:hover {
  background: var(--green);
  color: #fff !important;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 80px 20px 60px;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}
.hero-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 6px;
  margin-bottom: 12px;
}
.hero-subtitle {
  font-family: 'Caveat', cursive;
  font-size: 24px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  color: #fff;
  padding: 14px 36px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all .2s;
  box-shadow: 0 4px 16px rgba(45, 106, 79, 0.2);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(45, 106, 79, 0.3);
}
.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ── Sections ── */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}
.section-header h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 28px;
  color: var(--green);
  margin-bottom: 8px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 15px;
}

/* ── Features ── */
.features {
  padding: 60px 20px;
  max-width: 960px;
  margin: 0 auto;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(45, 106, 79, 0.1);
}
.feature-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.feature-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 17px;
  color: var(--green);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Community Marquee ── */
.community {
  padding: 60px 20px;
  max-width: 960px;
  margin: 0 auto;
}
.comment-marquee {
  overflow: hidden;
  position: relative;
  padding: 20px 0;
}
.marquee-track {
  display: flex;
  gap: 24px;
  animation: marquee 60s linear infinite;
}
.marquee-track:hover {
  animation-play-state: paused;
}
.marquee-item {
  flex-shrink: 0;
  min-width: 260px;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.marquee-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.marquee-date {
  font-size: 12px;
  color: var(--text-muted);
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Footer ── */
.footer {
  border-top: 1px solid rgba(45, 106, 79, 0.08);
  padding: 32px 20px;
  text-align: center;
  margin-top: 40px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
}
.footer-brand {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px;
  color: var(--green);
  margin-bottom: 8px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
}
.footer-links a:hover {
  color: var(--green);
}
.footer-note {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Page Content ── */
.page-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}
.page-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 32px;
  color: var(--green);
  margin-bottom: 8px;
}
.page-subtitle {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 32px;
}
.prose {
  font-size: 15px;
  line-height: 1.8;
}
.prose h2 {
  font-family: 'Noto Serif SC', serif;
  color: var(--green);
  font-size: 20px;
  margin-top: 24px;
  margin-bottom: 12px;
}
.prose p {
  margin-bottom: 12px;
}
.prose ul {
  margin: 12px 0;
  padding-left: 20px;
}
.prose li {
  margin-bottom: 6px;
}

/* ── Comments Page ── */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.comment-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.comment-text {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.comment-date {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --bg: #1a1f1a;
  --card-bg: rgba(30, 38, 30, 0.9);
  --green: #81b29a;
  --green-light: #a3c9b4;
  --gold: #d4a843;
  --terracotta: #e08a75;
  --sage: #5a8a6e;
  --sky: #6a8a84;
  --text: #d9d9cc;
  --text-muted: #8a8a7a;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
[data-theme="dark"] body {
  background-image:
    radial-gradient(ellipse at 10% 20%, rgba(129, 178, 154, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(233, 196, 106, 0.03) 0%, transparent 50%);
}
[data-theme="dark"] .nav {
  background: rgba(26, 31, 26, 0.85);
  border-bottom-color: rgba(129, 178, 154, 0.12);
}
[data-theme="dark"] .cta-btn {
  box-shadow: 0 4px 16px rgba(129, 178, 154, 0.15);
}
[data-theme="dark"] .cta-btn:hover {
  box-shadow: 0 6px 24px rgba(129, 178, 154, 0.25);
}
[data-theme="dark"] .feature-card {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}
[data-theme="dark"] .feature-card:hover {
  box-shadow: 0 8px 32px rgba(129, 178, 154, 0.1);
}
[data-theme="dark"] .footer {
  border-top-color: rgba(129, 178, 154, 0.1);
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  line-height: 1;
  border-radius: 8px;
  transition: background .2s;
}
.theme-toggle:hover {
  background: rgba(129, 178, 154, 0.15);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero-title { font-size: 32px; }
  .nav-links { gap: 12px; }
  .feature-grid { grid-template-columns: 1fr; }
}