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

:root {
  /* Dark theme base */
  --bg-primary: #050507;
  --bg-secondary: #0c0c12;
  --bg-tertiary: #14141c;
  --bg-elevated: #1a1a24;

  /* Text colors */
  --text-primary: #f8f8fa;
  --text-secondary: rgba(248, 248, 250, 0.65);
  --text-muted: rgba(248, 248, 250, 0.4);

  /* Gradient accent - indigo, violet, electric blue */
  --gradient-start: #6b8afd;
  --gradient-mid: #9f7aea;
  --gradient-end: #4ce0f3;
  --gradient: linear-gradient(120deg, var(--gradient-start), var(--gradient-mid), var(--gradient-end));
  --gradient-text: linear-gradient(120deg, #9bb0ff, #b79bff, #6de5ff);

  /* Glow effects */
  --glow-color: rgba(139, 92, 246, 0.15);
  --glow-strong: rgba(139, 92, 246, 0.35);
  --glow-accent: rgba(99, 102, 241, 0.25);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.12);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px var(--glow-color);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--bg-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -25% -20% -30% -30%;
  background:
    radial-gradient(circle at 18% 20%, rgba(79, 70, 229, 0.28), transparent 45%),
    radial-gradient(circle at 82% 8%, rgba(76, 226, 243, 0.2), transparent 42%),
    radial-gradient(circle at 55% 90%, rgba(159, 122, 234, 0.22), transparent 48%);
  filter: blur(90px);
  opacity: 0.7;
  z-index: -1;
  pointer-events: none;
}

/* Navigation */
header {
  padding: 1rem 2rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 7, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-mark.small {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-size: 0.95rem;
  box-shadow: 0 10px 24px rgba(111, 114, 249, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.logo-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.logo-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: var(--gradient);
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1) inset,
    0 4px 16px rgba(139, 92, 246, 0.25),
    0 1px 2px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent 50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15) inset,
    0 8px 32px rgba(139, 92, 246, 0.35),
    0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button:hover::before {
  opacity: 1;
}

.cta-button:active {
  transform: translateY(0);
}

.cta-button.large {
  padding: 0.9rem 2.25rem;
  font-size: 1rem;
  border-radius: 12px;
}

.cta-button.secondary {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  box-shadow: none;
}

.cta-button.secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.2s ease;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

.ghost-button:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

/* Main content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  padding-top: 5rem;
}

/* Hero section */
.hero {
  text-align: left;
  padding: 5.5rem 1rem 3.5rem;
  min-height: 70vh;
  position: relative;
  overflow: visible;
}

.hero-geometry {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

.glow-circle {
  position: absolute;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.65;
}

.circle-1 { width: 260px; height: 260px; top: 5%; left: 6%; background: rgba(111, 114, 249, 0.35); }
.circle-2 { width: 320px; height: 320px; top: -15%; right: 10%; background: rgba(76, 226, 243, 0.25); }
.circle-3 { width: 260px; height: 260px; bottom: -5%; left: 45%; background: rgba(159, 122, 234, 0.3); }

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.05;
  margin: 0.9rem 0 1.2rem;
  letter-spacing: -0.04em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-copy p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 640px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.hero-tags span {
  padding: 0.4rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.microcopy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.microcopy + .microcopy {
  margin-top: 0.25rem;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.visual-card {
  width: min(380px, 100%);
  background: transparent;
  border-radius: 20px;
  padding: 0;
  border: none;
  box-shadow: none;
}

.photo-card {
  position: relative;
  overflow: hidden;
  padding: 1.25rem;
  background: linear-gradient(150deg, rgba(107, 138, 253, 0.08), rgba(0, 0, 0, 0.15));
  border: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.photo-card img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.05), transparent 40%);
}

.visual-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.01em;
  backdrop-filter: blur(14px);
}

.avatar-sticker {
  position: absolute;
  bottom: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.7rem;
  background: rgba(12, 12, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(12px);
}

.avatar-sticker img {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.avatar-sticker span {
  font-weight: 700;
  color: var(--text-primary);
}

.photo-caption {
  font-size: 0.92rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.visual-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.meta-title {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.meta-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.status-pill {
  padding: 0.4rem 0.75rem;
  background: rgba(76, 226, 243, 0.12);
  border: 1px solid rgba(76, 226, 243, 0.35);
  border-radius: 999px;
  color: #a5f4ff;
  font-size: 0.85rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.stat {
  padding: 0.9rem;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border-subtle);
}

.stat .label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.stat .value {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat .muted {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.chat-preview {
  background: linear-gradient(140deg, rgba(107, 138, 253, 0.12), rgba(159, 122, 234, 0.08));
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.chat-bubble {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.5;
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
}

.chat-bubble.user {
  align-self: flex-end;
  background: var(--gradient);
  color: white;
  box-shadow: 0 12px 28px rgba(111, 114, 249, 0.35);
}

.chat-bubble.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
}

.chat-bubble.bot em {
  color: #34D399;
  font-style: normal;
  font-weight: 600;
  font-size: 0.85rem;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 2rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.section-lead {
  color: var(--text-secondary);
  font-size: 1rem;
}

.eyebrow {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
  padding: 1rem 0 0;
}

.feature {
  padding: 1.6rem 1.4rem;
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--glow-color), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.feature:hover::before {
  opacity: 1;
}

.feature .icon {
  font-size: 1.75rem;
  margin-bottom: 0.8rem;
  position: relative;
  z-index: 1;
}

.feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.feature p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
  position: relative;
  z-index: 1;
}

/* Demo + Pricing Row */
.demo-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding: 4rem 0;
  align-items: start;
}

.how-it-works .steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.step {
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.4rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: white;
  font-weight: 700;
  margin-bottom: 0.75rem;
  box-shadow: 0 10px 26px rgba(111, 114, 249, 0.35);
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Demo */
.demo {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.demo h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.chat-demo {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
  border-radius: 20px;
  padding: 1.25rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.message {
  padding: 0.875rem 1.1rem;
  border-radius: 14px;
  margin-bottom: 0.75rem;
  text-align: left;
  font-size: 0.875rem;
  line-height: 1.5;
}

.message:last-child {
  margin-bottom: 0;
}

.message.user {
  background: var(--gradient);
  color: white;
  margin-left: 2.5rem;
  box-shadow:
    0 4px 12px rgba(139, 92, 246, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.message.bot {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  margin-right: 2.5rem;
  color: var(--text-primary);
}

.message.bot strong {
  color: var(--text-primary);
  font-weight: 600;
}

.message.bot em {
  color: #34D399;
  font-style: normal;
  font-weight: 600;
  font-size: 0.8rem;
}

/* Pricing */
.pricing {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.pricing h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.pricing-cards {
  display: flex;
  gap: 1.5rem;
  width: 100%;
  justify-content: center;
}

.price-card {
  width: 100%;
  max-width: 300px;
  padding: 2rem 1.5rem;
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: visible;
}

.price-card::before {
  display: none;
}

.price-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}


/* Featured/PRO card */
.price-card.featured {
  border-color: var(--gradient-mid);
  transform: scale(1.02);
  margin-top: 0.75rem;
}


.price-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  background: var(--gradient);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.plan-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.price {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.price span {
  font-size: 1rem;
  -webkit-text-fill-color: var(--text-muted);
  font-weight: 500;
}

.price-card ul {
  list-style: none;
  margin-bottom: 1.75rem;
  text-align: left;
}

.price-card li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-card li:last-child {
  border-bottom: none;
}

.price-card li::before {
  content: "✓";
  color: var(--gradient-mid);
  font-weight: 700;
  font-size: 0.8rem;
}

.price-card li.disabled {
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-card li.disabled::before {
  content: "✕";
  color: var(--text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--text-secondary);
}

/* Checkout and Success pages */
.checkout-container,
.success-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  background: var(--bg-primary);
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.checkout-container h1,
.success-container h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.checkout-container p,
.success-container p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

#error {
  color: #F87171;
  padding: 1rem 1.5rem;
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.15);
  border-radius: 12px;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* Error page */
.error-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  background: var(--bg-primary);
}

/* Loading spinner */
.loading {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--gradient-mid);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    padding-top: 4.5rem;
  }

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

  .hero-visual {
    justify-content: center;
  }

  .features {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .demo-pricing {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 600px) {
  .features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 4rem 1rem 2.5rem;
    min-height: 55vh;
  }

  .hero-copy h1 {
    font-size: 2.25rem;
  }

  .hero-copy p {
    font-size: 1rem;
  }

  header {
    padding: 0.875rem 1rem;
  }

  main {
    padding: 1rem;
    padding-top: 4.5rem;
  }

  .feature {
    padding: 1.5rem 1.25rem;
  }

  .demo h2,
  .pricing h2 {
    font-size: 1.5rem;
  }

  .message.user {
    margin-left: 1.5rem;
  }

  .message.bot {
    margin-right: 1.5rem;
  }

  .price {
    font-size: 2.5rem;
  }

  .nav-right .cta-button {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

/* Selection styling */
::selection {
  background: rgba(139, 92, 246, 0.3);
  color: var(--text-primary);
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--gradient-mid);
  outline-offset: 2px;
}

/* Smooth transitions for theme elements */
* {
  transition-property: background-color, border-color;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

/* Reset transition for interactive elements that need different timing */
.cta-button,
.feature,
.price-card,
.lang-toggle {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}