/* ══════════════════════════════════════════════════════════════
   MedICS Website — Modern Dark Theme
   ══════════════════════════════════════════════════════════════ */

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

:root {
  /* Palette */
  --clr-bg:          #080c14;
  --clr-bg-alt:      #0d1220;
  --clr-surface:     #111827;
  --clr-surface-2:   #1a2236;
  --clr-border:      rgba(255,255,255,.08);
  --clr-border-2:    rgba(255,255,255,.14);

  /* Accent gradient */
  --clr-accent-1:    #3b82f6;   /* blue */
  --clr-accent-2:    #8b5cf6;   /* violet */
  --clr-accent-3:    #06b6d4;   /* cyan */

  /* Text */
  --clr-text:        #e2e8f0;
  --clr-text-muted:  #8b99b5;
  --clr-text-dim:    #4b5568;

  /* Type */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-py: clamp(5rem, 8vw, 9rem);
  --radius:     12px;
  --radius-lg:  20px;

  /* Shadow */
  --shadow-card: 0 4px 24px rgba(0,0,0,.45);
  --shadow-glow: 0 0 80px rgba(59,130,246,.15);
}

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

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--clr-accent-1); text-decoration: none; transition: color .2s; }
a:hover { color: var(--clr-accent-3); }
ul { list-style: none; }

/* ── Layout ──────────────────────────────────────────────────── */
.container {
  width: min(1200px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, background .18s;
  text-decoration: none;
}
.btn--sm  { padding: .45rem 1rem;  font-size: .8rem; }
.btn--lg  { padding: .85rem 2rem;  font-size: 1rem; }

.btn--primary {
  background: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,.35);
}
.btn--primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,.5);
}

.btn--outline {
  background: transparent;
  color: var(--clr-accent-1);
  border: 1.5px solid var(--clr-accent-1);
}
.btn--outline:hover {
  background: rgba(59,130,246,.08);
  color: var(--clr-accent-1);
}

.btn--ghost {
  background: rgba(255,255,255,.05);
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border-2);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.1);
  color: var(--clr-text);
  transform: translateY(-2px);
}

/* ── Gradient text ───────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--clr-accent-1) 0%, var(--clr-accent-2) 60%, var(--clr-accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ════════════════════════════════════════════════════════════════
   NAV
════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background .3s, box-shadow .3s, padding .3s;
}
.nav.scrolled {
  background: rgba(8,12,20,.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--clr-border);
  padding: .65rem 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  color: var(--clr-text);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.nav__logo:hover { color: var(--clr-text); }
.logo-icon { font-size: 1.5rem; }
.logo-text em { font-style: normal; color: var(--clr-accent-1); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
  list-style: none;
}
.nav__links a {
  color: var(--clr-text-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav__links a:hover { color: var(--clr-text); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}

/* ════════════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 9rem 0 6rem;
  overflow: hidden;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Grid background */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 30%, transparent 100%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero__glow--1 {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: rgba(59,130,246,.12);
}
.hero__glow--2 {
  width: 500px; height: 500px;
  top: -100px; right: -100px;
  background: rgba(139,92,246,.1);
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
}

.badge-row {
  display: flex;
  justify-content: center;
  gap: .6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .8rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .03em;
  border: 1px solid var(--clr-border-2);
}
.badge--version  { background: rgba(59,130,246,.12); color: var(--clr-accent-1); border-color: rgba(59,130,246,.3); }
.badge--status   { background: rgba(251,191,36,.1);  color: #fbbf24; border-color: rgba(251,191,36,.3); }
.badge--license  { background: rgba(52,211,153,.1);  color: #34d399; border-color: rgba(52,211,153,.3); }

.hero__title {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1.5rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--clr-text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}
.hero__subtitle strong { color: var(--clr-text); }

.hero__cta-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero__stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  padding: 1.5rem 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin-inline: auto;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 2rem;
}
.stat__value { font-weight: 700; font-size: 1rem; color: var(--clr-text); }
.stat__label { font-size: .75rem; color: var(--clr-text-muted); margin-top: .15rem; }
.stat__divider {
  width: 1px; height: 40px;
  background: var(--clr-border);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--clr-text-dim);
  font-size: .75rem;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--clr-text-dim);
  border-bottom: 2px solid var(--clr-text-dim);
  transform: rotate(45deg);
  animation: scrollBounce 1.8s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(5px); }
}

/* ════════════════════════════════════════════════════════════════
   OVERVIEW STRIP
════════════════════════════════════════════════════════════════ */
.overview-strip {
  padding: 4rem 0;
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.overview-strip__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.overview-card {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: border-color .2s, transform .2s;
}
.overview-card:hover {
  border-color: var(--clr-border-2);
  transform: translateY(-3px);
}
.overview-card__icon { font-size: 1.8rem; }
.overview-card h3 { font-size: 1rem; font-weight: 600; }
.overview-card p  { font-size: .875rem; color: var(--clr-text-muted); }

/* ════════════════════════════════════════════════════════════════
   SECTION COMMON
════════════════════════════════════════════════════════════════ */
.section { padding: var(--section-py) 0; }
.section--alt { background: var(--clr-bg-alt); }

.section__header {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 4rem;
}
.section__tag {
  display: inline-block;
  padding: .3rem .9rem;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.25);
  border-radius: 999px;
  color: var(--clr-accent-1);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section__desc { color: var(--clr-text-muted); font-size: 1.05rem; }

/* ════════════════════════════════════════════════════════════════
   FEATURES GRID
════════════════════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.feature-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-card--wide { grid-column: span 2; }

.feature-card__header {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1rem;
}
.feature-icon { font-size: 1.6rem; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; }
.feature-card p  { color: var(--clr-text-muted); font-size: .9rem; line-height: 1.7; }

.feature-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .875rem;
  color: var(--clr-text-muted);
}
.feature-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clr-accent-1);
  flex-shrink: 0;
}

.arch-phases {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .75rem 1.25rem;
  min-width: 110px;
  flex: 1;
}
.phase__num {
  font-size: .7rem;
  font-weight: 700;
  color: var(--clr-accent-1);
  background: rgba(59,130,246,.1);
  border-radius: 999px;
  padding: .15rem .5rem;
  margin-bottom: .4rem;
}
.phase__label { font-weight: 600; font-size: .9rem; }
.phase__detail { font-size: .75rem; color: var(--clr-text-muted); text-align: center; margin-top: .2rem; }
.phase__arrow { color: var(--clr-text-dim); font-size: 1.2rem; }

/* ════════════════════════════════════════════════════════════════
   TOOLBOXES
════════════════════════════════════════════════════════════════ */
.toolbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.toolbox-card {
  display: flex;
  gap: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.toolbox-card:hover {
  border-color: rgba(59,130,246,.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.toolbox-card__icon-wrap {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.toolbox-icon { font-size: 1.8rem; }
.toolbox-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .3rem; }
.toolbox-tagline { color: var(--clr-accent-1); font-size: .85rem; font-weight: 500; margin-bottom: 1rem; }
.toolbox-features {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.toolbox-features li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .875rem;
  color: var(--clr-text-muted);
}
.toolbox-features li::before {
  content: '✓';
  color: #34d399;
  font-weight: 700;
  font-size: .75rem;
}

/* ════════════════════════════════════════════════════════════════
   AI AGENT
════════════════════════════════════════════════════════════════ */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.ai-providers, .skills-panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.ai-providers__title, .skills-panel__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .8rem;
  margin-bottom: 1.2rem;
}
.provider-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 1.5rem;
}
.provider-chip {
  padding: .35rem .9rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-2);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 500;
  color: var(--clr-text);
  transition: border-color .2s, background .2s;
}
.provider-chip:hover { border-color: var(--clr-accent-1); }
.provider-chip--custom { border-color: rgba(139,92,246,.4); color: #a78bfa; }

.ai-feature-list {
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.ai-feature {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .875rem;
  color: var(--clr-text-muted);
}
.ai-feature strong { color: var(--clr-text); }
.ai-feature__dot {
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  margin-top: .4rem;
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.skill-item {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .75rem 1rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: border-color .2s;
}
.skill-item:hover { border-color: rgba(59,130,246,.3); }
.skill-name {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--clr-accent-3);
  background: rgba(6,182,212,.1);
  padding: .15rem .5rem;
  border-radius: 4px;
  width: fit-content;
}
.skill-desc {
  font-size: .8rem;
  color: var(--clr-text-muted);
  padding-left: .25rem;
}

/* ════════════════════════════════════════════════════════════════
   CODE BLOCK
════════════════════════════════════════════════════════════════ */
.code-block {
  background: #0a0f1a;
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius);
  overflow: hidden;
}
.code-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .5rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  font-size: .75rem;
  color: var(--clr-text-dim);
}
.code-block pre {
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
}
.code-block code {
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.8;
  color: #a8c4e0;
}
.copy-btn {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: .7rem;
  padding: .25rem .65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background .2s, color .2s;
  font-family: var(--font-sans);
}
.copy-btn:hover { background: var(--clr-accent-1); color: #fff; border-color: var(--clr-accent-1); }
.copy-btn.copied { background: #34d399; color: #052e16; border-color: #34d399; }

/* ════════════════════════════════════════════════════════════════
   EXTENSIONS
════════════════════════════════════════════════════════════════ */
.ext-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 2.5rem;
  align-items: start;
}
.ext-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.ext-step {
  display: flex;
  gap: 1.5rem;
}
.ext-step__num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  color: #fff;
  margin-top: .15rem;
}
.ext-step__body h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .4rem;
}
.ext-step__body p {
  font-size: .875rem;
  color: var(--clr-text-muted);
  margin-bottom: .75rem;
}
.ext-step__body code {
  font-family: var(--font-mono);
  font-size: .8rem;
  background: rgba(59,130,246,.1);
  color: var(--clr-accent-3);
  padding: .1rem .4rem;
  border-radius: 4px;
}

.ext-meta-panel {
  position: sticky;
  top: 6rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.ext-meta-panel__title {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}
.ext-info-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-top: 1.5rem;
}
.ext-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .6rem .75rem;
  background: var(--clr-surface-2);
  border-radius: 8px;
  font-size: .82rem;
}
.ext-info-item__label { color: var(--clr-text-muted); }
.ext-info-item__value { color: var(--clr-text); font-weight: 500; }
.ext-info-item code {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--clr-accent-3);
}

/* ════════════════════════════════════════════════════════════════
   INSTALL
════════════════════════════════════════════════════════════════ */
.install-tabs { max-width: 720px; margin: 0 auto 3rem; }
.tab-bar {
  display: flex;
  gap: .5rem;
  margin-bottom: -1px;
}
.tab-btn {
  padding: .55rem 1.25rem;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--clr-text-muted);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .2s, color .2s;
}
.tab-btn--active {
  background: var(--clr-surface);
  color: var(--clr-text);
  border-color: var(--clr-border-2);
}
.tab-pane { display: none; }
.tab-pane--active { display: block; }
.tab-pane .code-block { border-radius: 0 var(--radius) var(--radius) var(--radius); }

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.req-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  text-align: center;
}
.req-icon { font-size: 1.8rem; }
.req-card h4 { font-size: .95rem; font-weight: 700; }
.req-card p  { font-size: .82rem; color: var(--clr-text-muted); }

.verify-block {
  max-width: 720px;
  margin-inline: auto;
}
.verify-block h4 {
  font-size: .9rem;
  color: var(--clr-text-muted);
  margin-bottom: .75rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ════════════════════════════════════════════════════════════════
   EXAMPLES
════════════════════════════════════════════════════════════════ */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.example-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.example-card:hover {
  border-color: rgba(59,130,246,.3);
  transform: translateY(-3px);
}
.example-card--wide { grid-column: span 2; }
.example-card__num {
  font-size: .75rem;
  font-weight: 800;
  color: var(--clr-accent-2);
  letter-spacing: .1em;
  margin-bottom: .6rem;
}
.example-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .75rem;
}
.example-card__note {
  font-size: .82rem;
  color: var(--clr-text-muted);
  margin-bottom: .75rem;
}
.workflow-steps {
  list-style: decimal;
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}
.workflow-steps li {
  font-size: .875rem;
  color: var(--clr-text-muted);
}
.workflow-steps li strong { color: var(--clr-text); }
.workflow-steps li code {
  font-family: var(--font-mono);
  font-size: .78rem;
  background: rgba(59,130,246,.1);
  color: var(--clr-accent-3);
  padding: .1rem .4rem;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════════════════
   RELEASES
════════════════════════════════════════════════════════════════ */
.releases-timeline {
  max-width: 780px;
  margin-inline: auto;
  position: relative;
  padding-left: 2rem;
}
.releases-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent-1), transparent);
}
.release {
  position: relative;
  padding: 0 0 3rem 2rem;
}
.release__dot {
  position: absolute;
  left: -6px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--clr-surface-2);
  border: 2px solid var(--clr-border-2);
}
.release--current .release__dot {
  background: var(--clr-accent-1);
  border-color: var(--clr-accent-1);
  box-shadow: 0 0 0 4px rgba(59,130,246,.25);
}
.release__header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
}
.release__version {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.release__tag {
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
}
.release__tag--latest { background: rgba(59,130,246,.15); color: var(--clr-accent-1); }
.release__date { font-size: .8rem; color: var(--clr-text-dim); margin-left: auto; }
.release__notes {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.release__notes li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .875rem;
  color: var(--clr-text-muted);
}
.release__notes li::before {
  content: '→';
  color: var(--clr-accent-1);
  font-size: .8rem;
  margin-top: .1rem;
}
.release__notes code {
  font-family: var(--font-mono);
  font-size: .78rem;
  background: rgba(59,130,246,.08);
  color: var(--clr-accent-3);
  padding: .1rem .35rem;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════════════════
   CTA BANNER
════════════════════════════════════════════════════════════════ */
.cta-banner {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(59,130,246,.08) 0%, rgba(139,92,246,.06) 100%);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.cta-banner__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(59,130,246,.08), transparent);
  pointer-events: none;
}
.cta-banner__inner {
  position: relative;
  text-align: center;
}
.cta-banner h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: .75rem;
  letter-spacing: -.03em;
}
.cta-banner p {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}
.cta-banner__btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ════════════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding-top: 4rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer__brand p {
  margin-top: .75rem;
  font-size: .85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}
.footer__links-group h5 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-text-dim);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer__links-group ul {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.footer__links-group a {
  color: var(--clr-text-muted);
  font-size: .875rem;
  transition: color .2s;
}
.footer__links-group a:hover { color: var(--clr-text); }

.footer__bottom {
  border-top: 1px solid var(--clr-border);
  padding: 1.25rem 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  font-size: .8rem;
  color: var(--clr-text-dim);
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card--wide { grid-column: span 2; }
  .ext-layout { grid-template-columns: 1fr; }
  .ext-meta-panel { position: static; }
  .ai-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(8,12,20,.97);
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 200;
    font-size: 1.2rem;
  }
  .nav__hamburger { display: flex; }

  .hero { padding: 7rem 0 4rem; }
  .hero__stats { flex-direction: column; gap: 1rem; }
  .stat__divider { width: 60px; height: 1px; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; }
  .toolbox-grid { grid-template-columns: 1fr; }
  .toolbox-card { flex-direction: column; }

  .examples-grid { grid-template-columns: 1fr; }
  .example-card--wide { grid-column: span 1; }

  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer__brand { grid-column: span 2; }

  .arch-phases { flex-direction: column; align-items: flex-start; }
  .phase { width: 100%; }
  .phase__arrow { transform: rotate(90deg); }
}

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .hero__cta-row { flex-direction: column; align-items: center; }
}

/* ════════════════════════════════════════════════════════════════
   COMMUNITY EXTENSIONS
════════════════════════════════════════════════════════════════ */
.community-ext-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.ext-loading {
  grid-column: 1/-1;
  text-align: center;
  color: var(--clr-text-dim);
  padding: 3rem;
  font-size: .9rem;
}
.community-ext-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}
.community-ext-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,.04), transparent);
  opacity: 0;
  transition: opacity .2s;
}
.community-ext-card:hover {
  border-color: rgba(59,130,246,.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.community-ext-card:hover::before { opacity: 1; }
.community-ext-card--featured { border-color: rgba(59,130,246,.3); }

.ext-card__top {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.ext-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.ext-card__meta { flex: 1; min-width: 0; }
.ext-card__name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: .15rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ext-card__featured-badge {
  font-size: .65rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  color: #fff;
  padding: .15rem .5rem;
  border-radius: 999px;
  letter-spacing: .04em;
}
.ext-card__author {
  font-size: .78rem;
  color: var(--clr-text-muted);
}
.ext-card__version {
  font-size: .72rem;
  font-family: var(--font-mono);
  color: var(--clr-text-dim);
  background: var(--clr-surface-2);
  padding: .15rem .45rem;
  border-radius: 6px;
  margin-left: auto;
  flex-shrink: 0;
  align-self: flex-start;
}
.ext-card__category {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--clr-accent-2);
  background: rgba(139,92,246,.1);
  border: 1px solid rgba(139,92,246,.2);
  padding: .2rem .6rem;
  border-radius: 999px;
  width: fit-content;
}
.ext-card__desc {
  font-size: .855rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
  flex: 1;
}
.ext-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.ext-card__tag {
  font-size: .7rem;
  color: var(--clr-text-dim);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  padding: .15rem .5rem;
  border-radius: 6px;
}
.ext-card__install {
  background: #0a0f1a;
  border: 1px solid var(--clr-border-2);
  border-radius: 8px;
  padding: .6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.ext-card__install code {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: #a8c4e0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ext-card__copy {
  flex-shrink: 0;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: .68rem;
  padding: .2rem .5rem;
  border-radius: 5px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .2s, color .2s;
}
.ext-card__copy:hover { background: var(--clr-accent-1); color: #fff; border-color: var(--clr-accent-1); }
.ext-card__copy.copied { background: #34d399; color: #052e16; border-color: #34d399; }
.ext-card__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  color: var(--clr-accent-1);
  font-weight: 500;
  transition: color .2s;
}
.ext-card__link:hover { color: var(--clr-accent-3); }

.announce-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.5rem 3rem;
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(139,92,246,.06));
  border: 1px solid rgba(59,130,246,.25);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}
.announce-cta__text h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .4rem; }
.announce-cta__text p  { color: var(--clr-text-muted); font-size: .9rem; max-width: 500px; }

/* ════════════════════════════════════════════════════════════════
   MODAL (shared: announce + purchase)
════════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius-lg);
  width: min(700px, 100%);
  max-height: 90svh;
  overflow-y: auto;
  padding: 2.5rem;
  transform: translateY(20px) scale(.97);
  transition: transform .25s;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}
.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}
.modal__title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: .35rem;
  letter-spacing: -.02em;
}
.modal__subtitle {
  font-size: .875rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}
.modal__close {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  color: var(--clr-text-muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}
.modal__close:hover { background: rgba(239,68,68,.15); color: #f87171; border-color: rgba(239,68,68,.3); }

.modal__plan-summary {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--radius);
  margin-bottom: 2rem;
}
.plan-summary__name {
  font-size: 1.2rem;
  font-weight: 800;
  flex: 1;
}
.plan-summary__tokens {
  font-size: .85rem;
  color: var(--clr-text-muted);
}
.plan-summary__price {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--clr-accent-1);
}

/* ── Form elements ── */
.modal__form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.form-group--required label::after {
  content: '*';
  color: #f87171;
  font-size: .7rem;
}
.form-optional { color: var(--clr-text-dim); font-weight: 400; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border);
  border-radius: 8px;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: .875rem;
  padding: .65rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b99b5' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent-1);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-dim); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: #f87171;
  box-shadow: 0 0 0 3px rgba(248,113,113,.12);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
  padding-top: .5rem;
  border-top: 1px solid var(--clr-border);
  margin-top: .5rem;
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
  .modal { padding: 1.5rem; }
  .modal__actions { flex-direction: column; }
  .modal__actions .btn { width: 100%; justify-content: center; }
}

/* ════════════════════════════════════════════════════════════════
   PRICING PAGE
════════════════════════════════════════════════════════════════ */
.pricing-hero {
  position: relative;
  padding: 9rem 0 5rem;
  overflow: hidden;
  text-align: center;
}
.pricing-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.pricing-hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.1;
}
.pricing-hero__subtitle {
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  max-width: 520px;
  line-height: 1.65;
}

/* Billing toggle */
.billing-toggle {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin-top: 1.5rem;
}
.billing-toggle__label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
  cursor: pointer;
  transition: color .2s;
}
.billing-toggle__label.active { color: var(--clr-text); }
.billing-save-badge {
  background: rgba(52,211,153,.15);
  color: #34d399;
  border: 1px solid rgba(52,211,153,.3);
  font-size: .68rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 999px;
}
.toggle-switch {
  width: 48px; height: 26px;
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border-2);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.toggle-switch.on {
  background: var(--clr-accent-1);
  border-color: var(--clr-accent-1);
}
.toggle-switch__thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.toggle-switch.on .toggle-switch__thumb { transform: translateX(22px); }

/* Pricing grid */
.pricing-section { padding: var(--section-py) 0; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 5rem;
}
.pricing-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
}
.pricing-card:hover {
  border-color: var(--clr-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pricing-card--featured {
  background: linear-gradient(160deg, rgba(59,130,246,.06) 0%, var(--clr-surface) 60%);
  border-color: rgba(59,130,246,.4);
  transform: translateY(-8px);
  box-shadow: 0 8px 40px rgba(59,130,246,.18);
}
.pricing-card--featured:hover { transform: translateY(-12px); }
.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--clr-accent-1), var(--clr-accent-2));
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: .3rem 1rem;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: .05em;
}
.pricing-card__header { text-align: center; }
.plan-icon { font-size: 2rem; display: block; margin-bottom: .5rem; }
.plan-name { font-size: 1.3rem; font-weight: 800; margin-bottom: .3rem; }
.plan-tagline { font-size: .82rem; color: var(--clr-text-muted); }

.plan-price-wrap { text-align: center; }
.plan-price { display: flex; align-items: flex-end; justify-content: center; gap: .15rem; }
.plan-price__currency { font-size: 1.3rem; font-weight: 700; color: var(--clr-text-muted); padding-bottom: .4rem; }
.plan-price__amount { font-size: 3.5rem; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.plan-price__period { font-size: .85rem; color: var(--clr-text-muted); padding-bottom: .6rem; }
.plan-price__annual-note { font-size: .75rem; color: var(--clr-text-dim); margin-top: .3rem; display: block; }

.plan-features {
  display: flex;
  flex-direction: column;
  gap: .65rem;
  flex: 1;
}
.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .855rem;
}
.plan-feature__icon {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  margin-top: .1rem;
}
.plan-feature--ok .plan-feature__icon { background: rgba(52,211,153,.15); color: #34d399; }
.plan-feature--no .plan-feature__icon { background: rgba(255,255,255,.04); color: var(--clr-text-dim); }
.plan-feature--no { opacity: .55; }
.plan-feature span { color: var(--clr-text-muted); }
.plan-feature strong { color: var(--clr-text); }

.plan-btn { width: 100%; justify-content: center; }

/* Token table */
.token-table-wrap {
  max-width: 760px;
  margin: 0 auto 4rem;
}
.token-table__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-align: center;
}
.token-table { border: 1px solid var(--clr-border); border-radius: var(--radius); overflow: hidden; }
.token-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: .85rem 1.5rem;
  border-bottom: 1px solid var(--clr-border);
  font-size: .875rem;
  align-items: center;
}
.token-row:last-child { border-bottom: none; }
.token-row--header {
  background: var(--clr-surface);
  font-weight: 700;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--clr-text-muted);
}
.token-row:not(.token-row--header) { background: var(--clr-bg-alt); }
.token-row:not(.token-row--header):nth-child(odd) { background: var(--clr-surface); }
.token-row code { font-family: var(--font-mono); font-size: .78rem; background: rgba(6,182,212,.08); color: var(--clr-accent-3); padding: .1rem .4rem; border-radius: 4px; }
.token-row span:last-child { color: var(--clr-accent-1); font-weight: 600; font-family: var(--font-mono); font-size: .82rem; white-space: nowrap; }
.token-table__note { text-align: center; font-size: .8rem; color: var(--clr-text-dim); margin-top: .85rem; }

/* FAQ */
.faq-section { max-width: 960px; margin-inline: auto; }
.faq-section__title { font-size: 1.4rem; font-weight: 800; text-align: center; margin-bottom: 2rem; letter-spacing: -.02em; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .2s;
}
.faq-item:hover { border-color: var(--clr-border-2); }
.faq-item h4 { font-size: .95rem; font-weight: 700; margin-bottom: .5rem; }
.faq-item p { font-size: .855rem; color: var(--clr-text-muted); line-height: 1.7; }

@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
}
@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .token-row { grid-template-columns: 1fr; gap: .25rem; }
  .token-row span:last-child { text-align: left; }
  .announce-cta { flex-direction: column; text-align: center; }
  .announce-cta__text p { margin-inline: auto; }
}

/* ══════════════════════════════════════════════════════════════════════════
   PRICING PAGE — ADDITIONAL STYLES
══════════════════════════════════════════════════════════════════════════ */

/* Nav active link */
.nav__link--active { color: var(--clr-text) !important; font-weight: 600; }

/* Two-column pricing grid */
.pricing-grid--two {
  grid-template-columns: repeat(2, 1fr);
  max-width: 820px;
  margin-inline: auto;
}

/* Price forever label */
.plan-price__forever {
  font-size: .78rem;
  color: var(--clr-accent);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: -.5rem;
}

/* Billing toggle label active state */
.billing-toggle__label--active { color: var(--clr-text); font-weight: 600; }
.toggle-switch--active .toggle-switch__thumb { transform: translateX(22px); }

/* ── Official extensions list ── */
.official-ext-list {
  margin-top: 4rem;
  padding: 2.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}
.official-ext-list__title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}
.official-ext-list__note {
  font-size: .85rem;
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
}
.official-ext-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.official-ext-item {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1.1rem 1.25rem;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  transition: border-color .2s;
}
.official-ext-item:hover { border-color: var(--clr-border-2); }
.official-ext-item__icon { font-size: 1.5rem; flex-shrink: 0; }
.official-ext-item div { display: flex; flex-direction: column; gap: .25rem; }
.official-ext-item strong { font-size: .9rem; font-weight: 700; }
.official-ext-item span { font-size: .78rem; color: var(--clr-text-muted); line-height: 1.5; }
.official-ext-item--more {
  border-style: dashed;
  border-color: rgba(59,130,246,.25);
  background: transparent;
}
.official-ext-item--more strong { color: var(--clr-accent); }

/* ── Payment modal ── */
.modal--payment { max-width: 580px; }

.pay-summary { margin-bottom: 1.5rem; }
.pay-summary__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(59,130,246,.08), rgba(99,102,241,.06));
  border: 1px solid rgba(59,130,246,.25);
  border-radius: var(--radius);
}
.pay-summary__plan { display: flex; flex-direction: column; gap: .2rem; }
.pay-summary__plan-name { font-size: 1rem; font-weight: 700; }
.pay-summary__plan-billing { font-size: .8rem; color: var(--clr-text-muted); }
.pay-summary__price { display: flex; align-items: baseline; gap: .15rem; }
.pay-summary__amount { font-size: 2rem; font-weight: 800; color: var(--clr-accent); }
.pay-summary__period { font-size: .85rem; color: var(--clr-text-muted); }

.pay-methods { margin-bottom: 1.5rem; }
.pay-methods__label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--clr-text-muted); margin-bottom: .85rem; }
.pay-method-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .75rem;
}
.pay-method-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  padding: .85rem .5rem;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .15s;
  color: var(--clr-text);
  font-size: .75rem;
  font-weight: 600;
}
.pay-method-btn:hover { border-color: var(--clr-border-2); background: var(--clr-bg); transform: translateY(-2px); }
.pay-method-btn--active {
  border-color: var(--clr-accent);
  background: rgba(59,130,246,.08);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.pay-method-btn__svg { width: 40px; height: 28px; border-radius: 4px; }
.pay-method-btn small { font-size: .65rem; color: var(--clr-text-muted); font-weight: 400; }

.pay-action-area { margin-top: .5rem; min-height: 80px; }
.pay-proceed-btn {
  width: 100%;
  justify-content: center;
  text-align: center;
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-top: .5rem;
}
.pay-action-note {
  font-size: .78rem;
  color: var(--clr-text-muted);
  text-align: center;
  margin-top: .6rem;
}

/* Method-specific button colours */
.btn--paypal { background: #003087; color: #fff; border-color: #003087; }
.btn--paypal:hover { background: #001f5a; }
.btn--wechat { background: #07c160; color: #fff; border-color: #07c160; }
.btn--wechat:hover { background: #05a050; }
.btn--alipay { background: #1677ff; color: #fff; border-color: #1677ff; }
.btn--alipay:hover { background: #0958d9; }

/* Bank transfer note */
.pay-bank-note {
  display: flex;
  gap: .85rem;
  padding: 1rem 1.25rem;
  background: rgba(99,102,241,.05);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--radius);
  margin-bottom: .85rem;
}
.pay-bank-note__icon { font-size: 1.4rem; flex-shrink: 0; }
.pay-bank-note p { font-size: .85rem; color: var(--clr-text-muted); line-height: 1.65; }

/* Not configured warning */
.pay-not-configured {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .6rem;
  padding: 1rem 1.25rem;
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: var(--radius);
}
.pay-not-configured__icon { font-size: 1.25rem; }
.pay-not-configured p { font-size: .84rem; color: var(--clr-text-muted); line-height: 1.65; }
.pay-not-configured code { font-size: .78rem; background: rgba(255,255,255,.06); padding: .1em .35em; border-radius: 4px; }

/* Responsive adjustments */
@media (max-width: 900px) {
  .official-ext-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .pricing-grid--two { grid-template-columns: 1fr; }
  .official-ext-grid { grid-template-columns: 1fr; }
  .pay-method-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {
  .pay-method-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ════════════════════════════════════════════════════════════════
   EXTENSIONS LIST VIEW
════════════════════════════════════════════════════════════════ */
.ext-list-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.ext-search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.ext-search-icon {
  position: absolute;
  left: .85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: .9rem;
  pointer-events: none;
}
.ext-search-input {
  width: 100%;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: .55rem 1rem .55rem 2.25rem;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: .9rem;
  outline: none;
  transition: border-color .2s;
}
.ext-search-input:focus { border-color: var(--clr-accent-1); }
.ext-search-input::placeholder { color: var(--clr-text-dim); }
.ext-filter-wrap {
  display: flex;
  gap: .5rem;
}
.ext-filter-select {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: .85rem;
  padding: .5rem .85rem;
  outline: none;
  cursor: pointer;
  transition: border-color .2s;
}
.ext-filter-select:focus { border-color: var(--clr-accent-1); }
.ext-count {
  font-size: .8rem;
  color: var(--clr-text-dim);
  white-space: nowrap;
}

/* List container */
.ext-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 3rem;
}

/* Individual row */
.ext-list-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 1rem;
  align-items: start;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.25rem;
  transition: border-color .2s, box-shadow .2s;
}
.ext-list-row:hover {
  border-color: rgba(59,130,246,.35);
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
}

.ext-list-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.ext-list-body { min-width: 0; }

.ext-list-title {
  font-weight: 700;
  font-size: .95rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .35rem;
}
.ext-list-version {
  font-size: .7rem;
  font-family: var(--font-mono);
  color: var(--clr-text-dim);
  background: var(--clr-surface-2);
  padding: .1rem .4rem;
  border-radius: 5px;
}
.ext-list-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: .5rem;
}
.ext-list-author {
  font-size: .78rem;
  color: var(--clr-text-muted);
}
.ext-list-date {
  font-size: .72rem;
  color: var(--clr-text-dim);
}
.ext-list-desc {
  font-size: .855rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  margin-bottom: .5rem;
}

/* Actions column */
.ext-list-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .6rem;
  min-width: 180px;
}
.ext-list-install {
  background: #0a0f1a;
  border: 1px solid var(--clr-border-2);
  border-radius: 7px;
  padding: .45rem .75rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  width: 100%;
  justify-content: space-between;
}
.ext-list-install code {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: #a8c4e0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}

/* Responsive */
@media (max-width: 700px) {
  .ext-list-row { grid-template-columns: 44px 1fr; }
  .ext-list-actions { grid-column: 1 / -1; align-items: stretch; }
  .ext-filter-wrap { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .ext-list-controls { flex-direction: column; align-items: stretch; }
  .ext-search-wrap { min-width: unset; }
}

/* ══════════════════════════════════════════════════════════════════
   EXTENSIONS TEASER — index.html teaser grid
══════════════════════════════════════════════════════════════════ */
.ext-teaser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.ext-teaser-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 14px;
  padding: 1.4rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: border-color .2s, box-shadow .2s;
}
.ext-teaser-card:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(79,140,255,.08);
}
.ext-teaser-card__icon {
  font-size: 2rem;
  line-height: 1;
}
.ext-teaser-card__title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--clr-text);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
}
.ext-teaser-card__desc {
  font-size: .83rem;
  color: var(--clr-text-muted);
  line-height: 1.55;
  flex: 1;
}
.ext-teaser-card__cta {
  font-size: .8rem;
  color: var(--clr-accent);
  text-decoration: none;
  font-weight: 500;
  align-self: flex-start;
}
.ext-teaser-card__cta:hover { text-decoration: underline; }

.ext-teaser-footer {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ══════════════════════════════════════════════════════════════════
   EXTENSIONS PAGE — extensions.html specific elements
══════════════════════════════════════════════════════════════════ */

/* Source badges */
.ext-source-badge {
  display: inline-flex;
  align-items: center;
  font-size: .68rem;
  font-weight: 600;
  padding: .15rem .5rem;
  border-radius: 20px;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.ext-source-badge--official {
  background: rgba(79,140,255,.15);
  color: #4f8cff;
  border: 1px solid rgba(79,140,255,.3);
}
.ext-source-badge--community {
  background: rgba(100,220,160,.1);
  color: #45c98a;
  border: 1px solid rgba(100,220,160,.25);
}

/* Plan badges */
.ext-plan-badge {
  display: inline-flex;
  align-items: center;
  font-size: .65rem;
  font-weight: 700;
  padding: .12rem .45rem;
  border-radius: 20px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.ext-plan-badge--standard {
  background: rgba(255,193,7,.12);
  color: #f5c518;
  border: 1px solid rgba(255,193,7,.3);
}
.ext-plan-badge--free {
  background: rgba(160,160,160,.1);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}

/* Upgrade button on official extension rows */
.ext-upgrade-btn {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: .3rem .75rem;
  border-radius: 6px;
  border: 1px solid rgba(255,193,7,.4);
  color: #f5c518;
  background: rgba(255,193,7,.08);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s, border-color .18s;
}
.ext-upgrade-btn:hover {
  background: rgba(255,193,7,.18);
  border-color: rgba(255,193,7,.6);
}

/* Stats bar */
.ext-stats-bar {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 1rem 0;
}
.ext-stats-bar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.ext-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .35rem 2.2rem;
}
.ext-stat__num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.1;
}
.ext-stat__label {
  font-size: .72rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: .15rem;
}
.ext-stat-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--clr-border);
}

/* Extensions page hero variant */
.ext-page-hero {
  padding-top: 5rem;
  padding-bottom: 3rem;
}
.ext-hero-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.75rem;
}

/* Extensions browser section */
.ext-browser-section {
  background: var(--clr-bg);
  padding: 3rem 0;
}

/* Extended list controls for page */
.ext-list-controls--page {
  margin-bottom: 1.5rem;
}

/* Build your own section */
.ext-build-section {
  background: var(--clr-surface);
  padding: 4rem 0;
}
.ext-build-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 900px) {
  .ext-build-layout { grid-template-columns: 1fr; }
}

/* Announce CTA banner */
.ext-announce-banner {
  background: linear-gradient(135deg, rgba(79,140,255,.08) 0%, rgba(108,82,255,.08) 100%);
  border: 1px solid rgba(79,140,255,.2);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  text-align: center;
  margin-top: 3rem;
}
.ext-announce-banner h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: .5rem;
}
.ext-announce-banner p {
  color: var(--clr-text-muted);
  margin-bottom: 1.25rem;
  font-size: .9rem;
}

@media (max-width: 600px) {
  .ext-stats-bar .container { gap: .5rem; }
  .ext-stat { padding: .35rem 1.2rem; }
  .ext-stat-divider { display: none; }
  .ext-teaser-grid { grid-template-columns: 1fr; }
}

/* ── Teaser Pillars (index, ai-agent, get-started) ─────────────── */
.teaser-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.teaser-pillar {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  transition: border-color .25s, box-shadow .25s;
}
.teaser-pillar:hover {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 24px rgba(99,102,241,.1);
}
.teaser-pillar__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}
.teaser-pillar h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: .5rem;
}
.teaser-pillar p {
  color: var(--clr-muted);
  font-size: .9rem;
  line-height: 1.6;
}

/* ── Section CTA Row ────────────────────────────────────────────── */
.section__cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

/* ── Quick Install Block ────────────────────────────────────────── */
.quick-install {
  max-width: 680px;
  margin: 2rem auto 0;
}
.quick-install__note {
  text-align: center;
  color: var(--clr-muted);
  font-size: .875rem;
  margin-top: .75rem;
}
.code-block--hero {
  font-size: 1.05rem;
}

/* ── Provider grid teaser variant ───────────────────────────────── */
.provider-grid--teaser {
  justify-content: center;
  margin: 2rem auto 0;
  max-width: 640px;
}

/* ── Fade-in animation (used by nav.js) ─────────────────────────── */
.fade-hidden {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s cubic-bezier(.25,.46,.45,.94),
              transform .55s cubic-bezier(.25,.46,.45,.94);
}
.fade-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

@media (max-width: 600px) {
  .teaser-pillars { grid-template-columns: 1fr; }
  .section__cta-row { flex-direction: column; align-items: center; }
}