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

:root {
  --clr-bg: #faf8f5;
  --clr-bg-alt: #f0ece4;
  --clr-surface: #ffffff;
  --clr-text: #2c2418;
  --clr-text-muted: #6b5e4e;
  --clr-accent: #1a6b4a;
  --clr-accent-light: #e6f3ed;
  --clr-accent-dark: #0f4a32;
  --clr-danger: #9e3a3a;
  --clr-danger-light: #fdecea;
  --clr-border: #d9d0c3;
  --clr-code-bg: #1e1e2e;
  --clr-code-text: #cdd6f4;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  --max-w: 960px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .08);
  --transition: .2s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--clr-accent-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
}

code {
  font-family: var(--font-mono);
  font-size: .88em;
  background: var(--clr-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Nav ─── */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 248, 245, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  transition: box-shadow var(--transition);
}

.top-nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.02em;
  color: var(--clr-text);
}

.nav-brand:hover {
  text-decoration: none;
  color: var(--clr-accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--clr-text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--clr-accent);
  text-decoration: none;
}

.nav-gh {
  padding: 6px 14px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
}

.nav-gh:hover {
  border-color: var(--clr-accent);
  background: var(--clr-accent-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ─── Hero ─── */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: linear-gradient(180deg, var(--clr-bg) 0%, var(--clr-bg-alt) 100%);
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.03em;
  margin-bottom: 20px;
  color: var(--clr-text);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: .95rem;
  padding: 12px 28px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--clr-accent-dark);
  color: #fff;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--clr-border);
  color: var(--clr-text);
}

.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  text-decoration: none;
}

/* ─── Sections ─── */
.section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-desc {
  text-align: center;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* ─── Comparison ─── */
.comparison {
  display: flex;
  align-items: stretch;
  gap: 24px;
  margin-top: 40px;
}

.comparison-card {
  flex: 1;
  padding: 28px;
  border-radius: var(--radius);
  border: 1.5px solid var(--clr-border);
  background: var(--clr-surface);
}

.comparison-card.bad {
  border-color: var(--clr-danger);
  background: var(--clr-danger-light);
}

.comparison-card.good {
  border-color: var(--clr-accent);
  background: var(--clr-accent-light);
}

.comparison-label {
  font-weight: 700;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 16px;
}

.comparison-card.bad .comparison-label {
  color: var(--clr-danger);
}

.comparison-card.good .comparison-label {
  color: var(--clr-accent);
}

.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comparison-card li {
  position: relative;
  padding-left: 22px;
  font-size: .95rem;
}

.comparison-card.bad li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: var(--clr-danger);
  font-weight: 700;
}

.comparison-card.good li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--clr-accent);
  font-weight: 700;
}

.comparison-arrow {
  display: flex;
  align-items: center;
  font-size: 2rem;
  color: var(--clr-text-muted);
  font-weight: 300;
}

/* ─── Steps ─── */
.steps {
  list-style: none;
  max-width: 640px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.steps li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  border-radius: 50%;
}

.steps li div strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.steps li div p {
  color: var(--clr-text-muted);
  font-size: .95rem;
}

/* ─── Tools ─── */
.tool-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.tool-card {
  width: calc(33.333% - 14px);
}

.tool-card {
  padding: 24px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
  transition: box-shadow var(--transition), border-color var(--transition);
  /* width set above; override for smaller screens below */
}

.tool-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent);
}

.tool-card h3 {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--clr-accent);
  margin-bottom: 10px;
}

.tool-card p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ─── Server URL box ─── */
.server-url-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.server-url-value {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-accent);
  padding: 12px 24px;
  border-radius: var(--radius);
  color: var(--clr-accent);
  font-weight: 600;
  letter-spacing: -.01em;
  user-select: all;
}

.copy-url-btn {
  padding: 12px 22px;
  font-size: .9rem;
  font-weight: 600;
  background: var(--clr-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}

.copy-url-btn:hover {
  background: var(--clr-accent-dark);
}

.copy-url-btn.copied {
  background: var(--clr-accent-dark);
}

/* ─── Server Status ─── */
.server-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-border);
  flex-shrink: 0;
  position: relative;
}

.status-dot.online {
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .2);
}

.status-dot.online::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #22c55e;
  animation: status-pulse 2s ease-in-out infinite;
}

.status-dot.offline {
  background: var(--clr-danger);
  box-shadow: 0 0 0 3px rgba(158, 58, 58, .2);
}

@keyframes status-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(1.6); }
}

.status-label {
  transition: color var(--transition);
}

.status-label.online {
  color: #16a34a;
}

.status-label.offline {
  color: var(--clr-danger);
}

/* ─── Setup Steps (card layout) ─── */
.setup-steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-surface);
}

.setup-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 24px;
  border-bottom: 1px solid var(--clr-border);
}

.setup-step:last-child {
  border-bottom: none;
}

.setup-step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .8rem;
  color: #fff;
  background: var(--clr-accent);
  border-radius: 50%;
  margin-top: 1px;
}

.setup-step-body {
  flex: 1;
  min-width: 0;
}

.setup-step-body > strong {
  display: block;
  margin-bottom: 4px;
  font-size: .95rem;
  color: var(--clr-text);
}

.setup-step-body p {
  color: var(--clr-text-muted);
  font-size: .9rem;
  margin-bottom: 8px;
  line-height: 1.6;
}

.setup-step-body p:last-child {
  margin-bottom: 0;
}

.setup-step-body .code-block {
  margin-top: 8px;
  margin-bottom: 4px;
}

.setup-step-body .code-block pre {
  padding: 12px 16px;
  font-size: .82rem;
}

/* ─── Inline field pairs ─── */
.field-row {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.field-row .field-label {
  font-weight: 600;
  font-size: .85rem;
  color: var(--clr-text);
  min-width: 48px;
}

.field-row code {
  font-size: .85em;
}

/* ─── Setup Tabs ─── */
.setup-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.tab {
  padding: 10px 22px;
  font-size: .9rem;
  font-weight: 600;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.tab:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.tab.active {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}

.tab-panel {
  display: none;
  max-width: 700px;
  margin: 0 auto;
}

.tab-panel.active {
  display: block;
}

.tab-panel h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.tab-panel h4 {
  font-size: 1rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

.tab-panel > p {
  margin-bottom: 16px;
  color: var(--clr-text-muted);
}

/* ─── Code blocks ─── */
.code-block {
  position: relative;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block pre {
  background: var(--clr-code-bg);
  color: var(--clr-code-text);
  padding: 20px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: .85rem;
  line-height: 1.7;
}

.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 12px;
  font-size: .75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, .1);
  color: var(--clr-code-text);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, .2);
}

.copy-btn.copied {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

/* ─── Grounding Grid ─── */
.grounding-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.grounding-item {
  padding: 24px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
}

.grounding-item h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--clr-text);
}

.grounding-item p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ─── Disclaimer ─── */
.disclaimer {
  padding: 60px 0;
  background: var(--clr-bg-alt);
}

.disclaimer-card {
  max-width: 720px;
  margin: 0 auto;
  background: var(--clr-surface);
  border: 1.5px solid #d4a94c;
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: 0 2px 12px rgba(180, 140, 60, .08);
}

.disclaimer-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee0c8;
}

.disclaimer-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fdf3e0;
  color: #b8860b;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.disclaimer-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #8b6914;
  margin: 0;
  letter-spacing: -.01em;
}

.disclaimer-body p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
  text-align: left;
}

.disclaimer-body p:last-child {
  margin-bottom: 0;
}

.disclaimer-body strong {
  color: var(--clr-text);
}

.disclaimer-body em {
  font-style: italic;
}

.disclaimer-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #eee0c8;
  text-align: center;
  font-size: .88rem;
  font-weight: 600;
  color: #8b6914;
  letter-spacing: .01em;
}

@media (max-width: 480px) {
  .disclaimer-card {
    padding: 24px 20px;
  }
}

/* ─── Footer ─── */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--clr-border);
  text-align: center;
}

.footer-inner p {
  font-size: .88rem;
  color: var(--clr-text-muted);
  margin-bottom: 6px;
}

.footer-credit {
  font-size: .82rem !important;
}

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

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--clr-bg);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }

  .nav-links.open {
    max-height: 400px;
  }

  .nav-links li {
    border-bottom: 1px solid var(--clr-border);
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
  }

  .nav-gh {
    border: none !important;
    border-radius: 0 !important;
    padding: 14px 24px !important;
  }

  .comparison {
    flex-direction: column;
  }

  .comparison-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }

  .hero {
    padding: 120px 20px 60px;
  }

  .section {
    padding: 60px 0;
  }

  .hide-mobile {
    display: none;
  }

  .tool-card {
    width: calc(50% - 10px);
  }
}

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

  .tool-card {
    width: 100%;
  }

  .grounding-grid {
    grid-template-columns: 1fr;
  }

  .setup-step {
    padding: 16px;
  }
}