/* Sorana landing page — extracted from index.html */

/* Art direction: AI knowledge workspace → technical, clean, confident
   Palette: deep dark surfaces, teal accent, restrained color
   Typography: Instrument Serif display + Inter body */

:root, [data-theme="dark"] {
  --color-bg:             #0e0f11;
  --color-surface:        #141618;
  --color-surface-2:      #1a1c1f;
  --color-surface-3:      #202226;
  --color-border:         rgba(255,255,255,0.08);
  --color-text:           #e8eaed;
  --color-text-muted:     #8a8f98;
  --color-text-faint:     #4a4f58;
  --color-primary:        #3ecfb2;
  --color-primary-hover:  #2fb89d;
  --color-primary-dim:    rgba(62,207,178,0.12);
  --color-primary-glow:   rgba(62,207,178,0.06);
  --color-free:           #4ade80;
  --color-free-dim:       rgba(74,222,128,0.12);
  --color-cloud:          #60a5fa;
  --color-cloud-dim:      rgba(96,165,250,0.12);
  --color-local:          #f59e0b;
  --color-local-dim:      rgba(245,158,11,0.12);

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --text-xs:   clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1rem + 5vw, 5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-xl: 1rem; --radius-2xl: 1.5rem; --radius-full: 9999px;
}

[data-theme="light"] {
  --color-bg:             #f9fafb;
  --color-surface:        #ffffff;
  --color-surface-2:      #f3f4f6;
  --color-surface-3:      #e5e7eb;
  --color-border:         rgba(0,0,0,0.08);
  --color-text:           #111827;
  --color-text-muted:     #6b7280;
  --color-text-faint:     #9ca3af;
  --color-primary:        #0d9488;
  --color-primary-hover:  #0f766e;
  --color-primary-dim:    rgba(13,148,136,0.1);
  --color-primary-glow:   rgba(13,148,136,0.05);
  --color-free:           #16a34a;
  --color-free-dim:       rgba(22,163,74,0.1);
  --color-cloud:          #2563eb;
  --color-cloud-dim:      rgba(37,99,235,0.1);
  --color-local:          #d97706;
  --color-local-dim:      rgba(217,119,6,0.1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
section[id], #main { scroll-margin-top: 84px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before { animation: none; }
  .badge-dot { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .screenshot-card, .screenshot-card img, .discover-card { transition: none; }
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 240px; /* reserve space for Google Ads bottom banner */
}
img { display: block; max-width: 100%; height: auto; }
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
}
.skip-link:focus { top: var(--space-2); left: var(--space-2); }
ul { list-style: none; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(12px);
  transition: box-shadow 200ms ease;
}
nav.scrolled {
  box-shadow: 0 1px 24px rgba(0,0,0,0.25);
}
.nav-logo {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-brand .version-pill {
  font-size: 0.65rem;
  padding: 2px 8px;
}
.nav-links { display: flex; align-items: center; gap: var(--space-6); }
.nav-links a {
  color: var(--color-text-muted); text-decoration: none;
  font-size: var(--text-sm); transition: color 160ms ease;
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.active { color: var(--color-text); font-weight: 500; }
.nav-links .btn-primary {
  color: #0a1a17;
}
.btn-primary {
  background: var(--color-primary);
  color: #0a1a17;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  border: none; cursor: pointer;
  text-decoration: none;
  transition: background 160ms ease, transform 120ms ease;
  display: inline-block;
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); color: #fff; }
.nav-links .btn-primary:hover {
  color: #fff;
}
.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease;
  display: inline-block;
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-dim); }
#toggleFeatures {
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
}
#toggleFeatures:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
  color: var(--color-primary);
}
.btn-store {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 120ms ease;
}
.btn-store:hover { transform: translateY(-1px); }
.btn-store img { height: 40px; width: auto; display: block; }

/* ── HERO ── */
.hero {
  padding: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-8);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: var(--color-primary-dim);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero-eyebrow-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.hero-eyebrow-row .hero-eyebrow {
  margin-bottom: 0;
}
.version-pill {
  display: inline-flex;
  align-items: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
}
.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto var(--space-10);
  line-height: 1.65;
}
.hero-actions {
  display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.hero-badge {
  display: flex; justify-content: center;
  margin-bottom: var(--space-12);
}
.hero-badge .badge {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}
.hero-stats {
  display: flex; gap: var(--space-8); justify-content: center; flex-wrap: wrap;
}
.stat {
  text-align: center;
  min-width: 120px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── HERO ORB ── */
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(62,207,178,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(96,165,250,0.08) 0%, transparent 60%);
  filter: blur(40px);
  animation: hero-orb 10s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
@keyframes hero-orb {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-3%, 4%) scale(1.06); }
}

/* ── SECTION REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── BADGE PULSE ── */
@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(1.25); }
}
.badge-dot { animation: badge-pulse 2.4s ease-in-out infinite; }

/* ── SCREENSHOT HOVER ── */
.screenshot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.screenshot-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.35);
}
.screenshot-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
  transition: transform 300ms ease;
}
.screenshot-card:hover img {
  transform: scale(1.04);
}

/* ── SCREENSHOT SHOWCASE ── */
.showcase {
  padding: 0 var(--space-8) var(--space-20);
  max-width: 1100px;
  margin: 0 auto;
}
.screenshot-wrap {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow:
    0 0 0 1px rgba(62,207,178,0.08),
    0 24px 80px rgba(0,0,0,0.6),
    0 0 120px rgba(62,207,178,0.04);
}
.screenshot-wrap::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to bottom,
    transparent 70%,
    rgba(14,15,17,0.6) 100%);
  z-index: 1; pointer-events: none;
  border-radius: var(--radius-2xl);
}
.screenshot-wrap img {
  width: 100%; display: block;
  border-radius: var(--radius-2xl);
}
.screenshot-caption {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── FREE BADGE FLOATING ── */
.floating-badges {
  display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  border: 1px solid;
}
.badge.free { color: var(--color-free); background: var(--color-free-dim); border-color: rgba(74,222,128,0.25); }
.badge.cloud { color: var(--color-cloud); background: var(--color-cloud-dim); border-color: rgba(96,165,250,0.25); }
.badge.local { color: var(--color-local); background: var(--color-local-dim); border-color: rgba(245,158,11,0.25); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ── FAQ ACCORDION ── */
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}
.faq-item summary {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-left: var(--space-3);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

/* ── PRICING ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
  max-width: 900px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  transition: border-color 200ms, box-shadow 200ms;
}
.pricing-card:hover {
  border-color: rgba(62,207,178,0.18);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.pricing-card--accent {
  border-color: rgba(62,207,178,0.35);
  background: linear-gradient(180deg, rgba(62,207,178,0.06), transparent);
}
.pricing-card--accent:hover {
  border-color: rgba(62,207,178,0.5);
  box-shadow: 0 12px 40px rgba(62,207,178,0.1);
}
.pricing-icon {
  width: 44px; height: 44px; border-radius: var(--radius-lg);
  background: var(--color-primary-dim);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(62,207,178,0.2);
}
.pricing-icon svg { width: 20px; height: 20px; }
.pricing-name { font-size: var(--text-base); font-weight: 600; color: var(--color-text); margin: 0; }
.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
}
.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}
.pricing-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin: 0 0 var(--space-2);
}
.pricing-cta {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

/* ── SECTION BASE ── */
.section {
  padding: var(--space-20) var(--space-8);
  max-width: 1100px;
  margin: 0 auto;
}
.section-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section-header {
  max-width: 640px;
  margin: 0 auto var(--space-12);
  text-align: center;
}
.section-header h2,
.section-header .h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}
.section-header h2 em,
.section-header .h2 em {
  font-style: italic;
  color: var(--color-primary);
}
.section-header p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* ── HOW IT WORKS STEPS ── */
.steps {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-8);
}
.step {
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  text-align: center;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-dim);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  border: 1px solid rgba(62,207,178,0.2);
}
.logo-light-bg {
  background: rgba(255,255,255,0.95);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}
[data-theme="light"] .logo-light-bg {
  background: transparent;
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}
.step h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.step p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.step-arrow {
  display: flex;
  align-items: center;
  color: var(--color-text-faint);
  font-size: var(--text-lg);
}
@media (max-width: 768px) {
  .testimonial-arrow { width: 32px; height: 32px; font-size: 16px; }
  .testimonial-arrow.prev { left: -4px; }
  .testimonial-arrow.next { right: -4px; }
}
@media (max-width: 768px) {
  .step-arrow { display: none; }
  .steps { gap: var(--space-8); }
}

/* ── TESTIMONIALS ── */
.testimonials-band {
  position: relative;
}
.testimonials-grid {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(62,207,178,0.35) transparent;
  padding: var(--space-2);
  margin: calc(var(--space-2) * -1);
  scroll-padding-left: var(--space-2);
}
.testimonials-grid::-webkit-scrollbar {
  height: 6px;
}
.testimonials-grid::-webkit-scrollbar-track {
  background: transparent;
}
.testimonials-grid::-webkit-scrollbar-thumb {
  background: rgba(62,207,178,0.35);
  border-radius: 999px;
}
.testimonial-card {
  flex: 0 0 auto;
  width: min(340px, 85vw);
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 200ms, box-shadow 200ms;
}
.testimonial-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 200ms, color 200ms, border-color 200ms, box-shadow 200ms;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.testimonial-arrow:hover:not(:disabled) {
  border-color: rgba(62,207,178,0.5);
  color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(62,207,178,0.15);
}
.testimonial-arrow:disabled {
  opacity: 0.35;
  cursor: default;
}
.testimonial-arrow.prev {
  left: -8px;
}
.testimonial-arrow.next {
  right: -8px;
}
.testimonial-card:hover {
  border-color: rgba(62,207,178,0.2);
  box-shadow: 0 8px 32px rgba(62,207,178,0.04);
}
.testimonial-logo {
  max-width: 140px;
  max-height: 56px;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: left center;
  display: block;
  margin-bottom: var(--space-4);
}
.testimonial-logo.has-bg {
  background: rgba(255, 255, 255, 0.95);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}
.testimonial-source {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.testimonial-quote {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}
.testimonial-link {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
}

/* ── OVERVIEW / ABOUT ── */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .overview-grid { grid-template-columns: 1fr 1fr; }
}
.overview-text p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.overview-text strong {
  color: var(--color-text);
}
.overview-video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.overview-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── PROBLEM / SOLUTION CARDS ── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px,100%), 1fr));
  gap: var(--space-4);
}
.problem-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 200ms, box-shadow 200ms;
}
.problem-card:hover {
  border-color: rgba(62,207,178,0.2);
  box-shadow: 0 8px 32px rgba(62,207,178,0.04);
}
.problem-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.35;
}
.problem-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}
.problem-card ul {
  list-style: disc;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.problem-card li {
  margin-bottom: var(--space-2);
  line-height: 1.5;
}

/* ── COMPARISON ── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-sm);
}
.comparison-table th,
.comparison-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}
.comparison-table th {
  background: var(--color-surface-2);
  color: var(--color-text);
  font-weight: 600;
}
.comparison-table td {
  color: var(--color-text-muted);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table td:first-child { color: var(--color-text); font-weight: 500; }
.comparison-table .win { color: var(--color-free); }

/* ── FEATURES ── */
.features-header { text-align: left; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px,100%), 1fr));
  gap: var(--space-4);
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 200ms, box-shadow 200ms;
}
.feature-card:hover {
  border-color: rgba(62,207,178,0.2);
  box-shadow: 0 8px 32px rgba(62,207,178,0.04);
}
.feature-card.large { grid-column: span 2; }
#moreFeatures {
  margin-top: var(--space-8);
}
.feature-icon {
  width: 36px; height: 36px;
  background: var(--color-primary-dim);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.feature-icon svg { width: 18px; height: 18px; }
.feature-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.formatted-chat-card {
  overflow: hidden;
  background: linear-gradient(145deg, var(--color-surface), var(--color-primary-glow));
}
.formatted-chat-preview {
  margin-top: var(--space-5);
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  font-size: 0.72rem;
  line-height: 1.5;
}
.formatted-chat-toolbar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 var(--space-1) var(--space-3);
  color: var(--color-text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.65rem;
}
.formatted-chat-toolbar span:not(.formatted-chat-title) {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-faint);
}
.formatted-chat-toolbar span:nth-child(2) { background: #f59e0b; }
.formatted-chat-toolbar span:nth-child(3) { background: #ef6a8a; }
.formatted-chat-toolbar span:nth-child(4) { background: var(--color-primary); }
.formatted-chat-title {
  margin-left: 4px;
  color: var(--color-text-muted);
}
.formatted-chat-message {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  margin-top: var(--space-2);
}
.formatted-chat-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  border-radius: 6px;
  color: var(--color-bg);
  background: var(--color-primary);
  font-size: 0.6rem;
  font-weight: 700;
}
.formatted-chat-message.user .formatted-chat-avatar {
  color: var(--color-cloud);
  background: var(--color-cloud-dim);
}
.formatted-chat-bubble {
  min-width: 0;
  padding: 7px 9px;
  border: 1px solid var(--color-border);
  border-radius: 5px 10px 10px 10px;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
}
.formatted-chat-message.user .formatted-chat-bubble {
  color: var(--color-text);
  background: var(--color-cloud-dim);
  border-color: rgba(96,165,250,0.2);
}
.formatted-chat-bubble strong { color: var(--color-text); }
.formatted-chat-bubble .chat-accent { color: var(--color-primary); }
.formatted-chat-bubble .chat-warm { color: var(--color-local); }
.formatted-chat-bubble .chat-link {
  color: var(--color-cloud);
  text-decoration: underline;
  text-decoration-color: rgba(96,165,250,0.45);
  text-underline-offset: 2px;
}
.formatted-chat-bubble .chat-code {
  color: #c4b5fd;
  background: rgba(167,139,250,0.12);
  padding: 1px 4px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
[data-theme="light"] .formatted-chat-bubble .chat-code {
  color: #6d28d9;
  background: rgba(109,40,217,0.1);
}
.formatted-chat-table-wrap {
  margin-top: var(--space-2);
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
}
.formatted-chat-table {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  color: var(--color-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.64rem;
}
.formatted-chat-table th,
.formatted-chat-table td {
  padding: 5px 7px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}
.formatted-chat-table caption {
  padding: 5px 7px;
  color: var(--color-text-faint);
  background: var(--color-surface-2);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.65rem;
}
.formatted-chat-table th {
  color: var(--color-primary);
  background: var(--color-primary-dim);
  font-weight: 600;
}
.formatted-chat-table tr:last-child td { border-bottom: none; }
.formatted-chat-table td:first-child { color: var(--color-text); }
.formatted-chat-table .chat-good { color: var(--color-free); }
.formatted-chat-table .chat-value { color: var(--color-cloud); }
.formatted-chat-note {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-text-faint);
  font-size: 0.64rem;
}

/* ── CHAT EXAMPLES ── */
.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px,100%), 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.example-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: border-color 200ms, box-shadow 200ms;
}
.example-card:hover {
  border-color: rgba(62,207,178,0.2);
  box-shadow: 0 8px 32px rgba(62,207,178,0.04);
}
.example-card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.example-card ul {
  list-style: none;
  padding: 0;
}
.example-card li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-2);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-border);
  transition: border-color 160ms;
}
.example-card li:hover {
  border-left-color: var(--color-primary);
  color: var(--color-text);
}

/* ── SCREENSHOT STRIP ── */
.screenshot-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px,100%), 1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
}
.screenshot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.screenshot-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}
.screenshot-card figcaption {
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ── DISCOVER / OTHER APPS ── */
.discover-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px,100%), 1fr));
  gap: var(--space-4);
}
.discover-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 200ms, box-shadow 200ms;
  display: flex;
  flex-direction: column;
}
.discover-card:hover {
  border-color: rgba(62,207,178,0.2);
  box-shadow: 0 8px 32px rgba(62,207,178,0.04);
  transform: translateY(-2px);
}
.discover-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}
.discover-card-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.discover-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.discover-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}
.discover-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.discover-links a {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  transition: background 160ms, border-color 160ms;
}
.discover-links a:hover {
  background: var(--color-primary-dim);
  border-color: var(--color-primary);
}

/* ── PROVIDERS ── */
.providers-section {
  padding: var(--space-16) var(--space-8);
  text-align: center;
  border-top: 1px solid var(--color-border);
}
.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-8);
}
.providers-grid {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  justify-content: center;
  max-width: 800px; margin: 0 auto;
}
.provider-chip {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: border-color 160ms, color 160ms, background 160ms;
}
.provider-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
  background: var(--color-primary-dim);
}
.provider-chip .icon { width: 16px; height: 16px; object-fit: contain; }
.providers-sub-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.providers-sub-label + .providers-grid { margin-bottom: var(--space-8); }
.providers-grid + .providers-sub-label { margin-top: var(--space-10); }

/* ── FREE MODEL COUNTER ── */
.free-highlight {
  margin: var(--space-4) 0 0;
  padding: var(--space-4) var(--space-5);
  background: var(--color-free-dim);
  border: 1px solid rgba(74,222,128,0.2);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; gap: var(--space-3);
}
.free-highlight-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-free);
  line-height: 1;
}
.free-highlight-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ── MODEL TABLE PREVIEW ── */
.model-preview {
  padding: var(--space-20) var(--space-8);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.model-preview-inner {
  max-width: 900px; margin: 0 auto;
}
.model-preview h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin-bottom: var(--space-8);
}
.model-rows {
  display: flex; flex-direction: column; gap: var(--space-2);
}
.model-row {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 160ms;
}
.model-row:hover { border-color: rgba(62,207,178,0.2); }
.model-provider {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  width: 130px; flex-shrink: 0;
}
.model-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  font-size: 0.8rem;
}
.model-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex: 2;
  display: none;
}
@media (min-width: 640px) { .model-desc { display: block; } }
.model-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}
.model-tag.free { color: var(--color-free); background: var(--color-free-dim); }
.model-tag.configured { color: var(--color-local); background: var(--color-local-dim); }
.model-tag.installed { color: var(--color-primary); background: var(--color-primary-dim); }

/* ── SETUP / SUPPORT CARDS ── */
.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px,100%), 1fr));
  gap: var(--space-4);
}
.setup-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}
.setup-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.setup-card p,
.setup-card li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.setup-card ul {
  list-style: disc;
  padding-left: var(--space-5);
}
.setup-card li { margin-bottom: var(--space-2); }

/* ── CTA SECTION ── */
.cta-section {
  padding: clamp(var(--space-16), 10vw, var(--space-24)) var(--space-8);
  text-align: center;
  max-width: 700px; margin: 0 auto;
}
.cta-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-5);
}
.cta-section h2 em { font-style: italic; color: var(--color-primary); }
.cta-section p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-8);
}
.cta-actions {
  display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap;
}

/* ── FOOTER ── */
footer {
  padding: var(--space-8);
  border-top: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 1100px; margin: 0 auto;
}

/* ── BACK TO TOP ── */
#backToTop {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 60;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
#backToTop.show { opacity: 1; visibility: visible; }
#backToTop:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
@media (prefers-reduced-motion: reduce) {
  #backToTop { transition: none; }
}

/* ── ADSENSE INLINE ADS ── */
.ad-container {
  margin: var(--space-8) auto;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  text-align: center;
  max-height: 520px; /* prevent oversized rendering */
  min-height: 90px; /* prevent CLS while ads load */
}
.ad-inline {
  margin: var(--space-6) 0;
  text-align: center;
  min-height: 60px; /* prevent CLS while ads load */
}
.feature-card.ad-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  padding: var(--space-2);
}
.feature-card.ad-card ins {
  width: 100%;
  max-width: 100%;
}
.ad-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  #menuToggle { display: block !important; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-3);
    z-index: 40;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: var(--space-2) 0; }
  nav { position: relative; }
  .hero { padding: var(--space-12) var(--space-5); }
  .showcase { padding: 0 var(--space-4) var(--space-16); }
  .section { padding: var(--space-12) var(--space-4); }
  .feature-card.large { grid-column: span 1; }
  .model-preview { padding: var(--space-12) var(--space-4); }
  .providers-section { padding: var(--space-10) var(--space-4); }
  .hero-stats { gap: var(--space-5); }
  .comparison-table { font-size: var(--text-xs); }
  .comparison-table th,
  .comparison-table td { padding: var(--space-2); }
  .comparison-table thead th {
    position: sticky;
    top: 0;
    background: var(--color-surface-2);
    z-index: 1;
  }
  .comparison-table th:first-child,
  .comparison-table td:first-child {
    position: sticky;
    left: 0;
    background: var(--color-surface-2);
    z-index: 2;
    min-width: 110px;
  }
  .comparison-table thead th:first-child { z-index: 3; }
  .overview-grid { grid-template-columns: 1fr; }
  .hero::before {
    inset: -10% -30% auto;
    height: 50%;
    filter: blur(28px);
  }
  .showcase .screenshot-wrap { border-radius: var(--radius-xl); }
}

/* Scrollbar styling */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-surface-3); border-radius: 3px; }