/* ========== CSS Custom Properties ========== */
:root {
  --color-primary: #2563EB;
  --color-secondary: #7C3AED;
  --color-dark: #1a1a2e;
  --color-hero-bg: #0a0a1a;
  --color-surface: #fff;
  --color-surface-alt: #f8fafc;
  --color-surface-blue: #f0f4ff;
  --color-border: #f1f5f9;
  --color-border-hover: #dbeafe;
  --color-text: #1a1a2e;
  --color-text-muted: #64748b;
  --color-text-subtle: #94a3b8;
  --color-glow-blue: rgba(37, 99, 235, 0.15);
  --color-glow-purple: rgba(124, 58, 237, 0.15);
  --transition-base: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== Reset & Base ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'Sora', 'Inter', -apple-system, sans-serif; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ========== Utilities ========== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section-header { text-align: center; max-width: 600px; margin: 0 auto 56px; }
.section-header h2 { font-size: 2.25rem; font-weight: 800; margin-bottom: 12px; }
.section-header p { font-size: 1.125rem; color: var(--color-text-muted); }

/* ========== Scroll Reveal ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition-base), transform 0.7s var(--transition-base);
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-stagger.revealed > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.revealed > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.revealed > *:nth-child(8) { transition-delay: 560ms; }

/* ========== Buttons ========== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 22px; border-radius: 8px; font-weight: 600;
  font-size: 0.9375rem; transition: all 0.2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); }
.btn-outline { border: 2px solid #e2e8f0; color: var(--color-text); background: transparent; }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { color: var(--color-text-muted); background: transparent; }
.btn-ghost:hover { color: var(--color-primary); }
.btn-white { background: #fff; color: var(--color-primary); }
.btn-white:hover { background: #eff6ff; transform: translateY(-1px); }
.btn-lg { padding: 14px 32px; font-size: 1.0625rem; border-radius: 10px; }

/* Hero-specific button variants */
.hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.hero .btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

/* ========== Navbar ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.navbar.scrolled { box-shadow: 0 1px 12px rgba(0, 0, 0, 0.08); }
.nav-container {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.375rem; font-weight: 800; color: var(--color-text); }
.logo-icon { width: 32px; height: 32px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 0.9375rem; font-weight: 500; color: var(--color-text-muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--color-primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; width: 28px; height: 20px; position: relative; }
.mobile-menu-btn span {
  display: block; width: 100%; height: 2px; background: var(--color-text);
  position: absolute; left: 0; transition: all 0.3s;
}
.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }
.mobile-menu-btn.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0; z-index: 99;
  background: #fff; padding: 24px; border-bottom: 1px solid var(--color-border);
  flex-direction: column; gap: 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1rem; font-weight: 500; color: var(--color-text); }
.mobile-menu hr { border: none; border-top: 1px solid var(--color-border); }

/* ========== Hero (Dark Animated) ========== */
.hero {
  position: relative;
  padding: 160px 0 240px;
  text-align: center;
  background: var(--color-hero-bg);
  overflow: hidden;
  color: #fff;
}

/* Hero-to-body fade transition */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,0.03) 30%, rgba(255,255,255,0.15) 60%, #fff 100%);
  z-index: 1;
}

/* Aurora / Northern Lights background */
.aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora-band {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.aurora-band:nth-child(1) {
  width: 150%; height: 300px;
  top: 5%; left: -25%;
  background: linear-gradient(90deg, transparent 5%, rgba(37, 99, 235, 0.4) 30%, rgba(99, 102, 241, 0.3) 60%, transparent 95%);
  animation: auroraBand1 20s ease-in-out infinite;
}
.aurora-band:nth-child(2) {
  width: 130%; height: 250px;
  top: 30%; left: -15%;
  background: linear-gradient(90deg, transparent 10%, rgba(124, 58, 237, 0.35) 40%, rgba(79, 70, 229, 0.25) 70%, transparent 90%);
  animation: auroraBand2 25s ease-in-out infinite;
}
.aurora-band:nth-child(3) {
  width: 140%; height: 200px;
  top: 15%; left: -20%;
  background: linear-gradient(90deg, transparent 15%, rgba(59, 130, 246, 0.3) 45%, rgba(37, 99, 235, 0.2) 65%, transparent 85%);
  animation: auroraBand3 18s ease-in-out infinite;
}
.aurora-band:nth-child(4) {
  width: 120%; height: 280px;
  top: 40%; left: -10%;
  background: linear-gradient(90deg, transparent 5%, rgba(99, 102, 241, 0.2) 35%, rgba(124, 58, 237, 0.3) 65%, transparent 95%);
  animation: auroraBand4 22s ease-in-out infinite;
}
.aurora-band:nth-child(5) {
  width: 160%; height: 180px;
  top: -5%; left: -30%;
  background: linear-gradient(90deg, transparent 20%, rgba(14, 165, 233, 0.2) 50%, rgba(59, 130, 246, 0.15) 75%, transparent 90%);
  animation: auroraBand5 28s ease-in-out infinite;
}

@keyframes auroraBand1 {
  0%, 100% { transform: translateX(0%) rotate(-3deg) scaleY(1); }
  30%      { transform: translateX(8%) rotate(4deg) scaleY(1.4); }
  60%      { transform: translateX(-5%) rotate(-6deg) scaleY(0.8); }
}
@keyframes auroraBand2 {
  0%, 100% { transform: translateX(0%) rotate(2deg); opacity: 0.8; }
  40%      { transform: translateX(-10%) rotate(-5deg); opacity: 1; }
  70%      { transform: translateX(12%) rotate(4deg); opacity: 0.6; }
}
@keyframes auroraBand3 {
  0%, 100% { transform: translateX(5%) rotate(6deg) scaleX(1); }
  50%      { transform: translateX(-8%) rotate(-4deg) scaleX(1.15); }
}
@keyframes auroraBand4 {
  0%, 100% { transform: translateX(-3%) rotate(-2deg); opacity: 0.5; }
  35%      { transform: translateX(10%) rotate(5deg); opacity: 0.9; }
  65%      { transform: translateX(0%) rotate(-4deg); opacity: 0.7; }
}
@keyframes auroraBand5 {
  0%, 100% { transform: translateX(0%) rotate(4deg); opacity: 0.6; }
  45%      { transform: translateX(-6%) rotate(-3deg); opacity: 0.9; }
  80%      { transform: translateX(8%) rotate(6deg); opacity: 0.5; }
}

/* Hero content */
.hero .container { position: relative; z-index: 2; }

.hero-badge {
  display: inline-block; padding: 8px 20px; border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.9); font-size: 0.875rem; font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: 3.75rem; font-weight: 800; line-height: 1.1; margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #93c5fd 50%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle { font-size: 1.25rem; color: rgba(255, 255, 255, 0.6); max-width: 600px; margin: 0 auto 40px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

/* Flow diagram (glassmorphism) */
.hero-visual { display: flex; justify-content: center; }
.flow-diagram {
  display: flex; align-items: center; gap: 0;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  padding: 32px 48px; border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
.flow-node {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 20px 28px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform 0.2s, background 0.2s;
  color: #fff;
}
.flow-node:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.14); }
.flow-node.trigger {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}
.flow-node.trigger .node-icon { background: rgba(255,255,255,0.2); }
.flow-node.action {
  border-color: rgba(124, 58, 237, 0.4);
  background: rgba(124, 58, 237, 0.15);
}
.flow-node.action .node-icon { background: rgba(124, 58, 237, 0.25); }
.flow-node.result {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.15);
}
.flow-node.result .node-icon { background: rgba(34, 197, 94, 0.25); }
.node-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.flow-node span { font-weight: 600; font-size: 0.875rem; }
.flow-connector { display: flex; align-items: center; gap: 0; padding: 0 8px; }
.connector-line {
  width: 40px; height: 2px;
  background: rgba(255, 255, 255, 0.15);
  position: relative; overflow: hidden;
}
.connector-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); }

/* Data pulse animation on connectors */
.connector-line::after {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 20px; height: 4px;
  background: linear-gradient(90deg, transparent, #60a5fa, transparent);
  border-radius: 2px;
  animation: pulseFlow 2.5s ease-in-out infinite;
}
.flow-connector:nth-child(4) .connector-line::after {
  animation-delay: 1s;
}

@keyframes pulseFlow {
  0%   { transform: translateX(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateX(200%); opacity: 0; }
}

/* ========== Features ========== */
.features { padding: 100px 0; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.feature-card {
  position: relative;
  padding: 32px; border-radius: 14px; border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all 0.3s var(--transition-base);
  z-index: 1;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  background: var(--color-primary);
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(37,99,235,0.2);
  transform: translateY(-2px);
}
.feature-card:hover h3 { color: #fff; }
.feature-card:hover p { color: rgba(255, 255, 255, 0.8); }
.feature-card:hover .feature-icon { background: rgba(255, 255, 255, 0.2); color: #fff; }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; background: #eff6ff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--color-primary);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }

/* ========== How It Works ========== */
.how-it-works { padding: 100px 0; background: var(--color-surface-blue); }
.steps-sequence {
  display: flex; align-items: flex-start; justify-content: center; gap: 0;
}
.step-seq { text-align: center; flex: 1; max-width: 280px; }
.seq-dot {
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; height: 64px;
  animation: stepPulse 3s ease-in-out infinite;
}
.seq-dot-1 { animation-delay: 0s; }
.seq-dot-2 { animation-delay: 0.5s; }
.seq-dot-3 { animation-delay: 1s; }

@keyframes stepPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.seq-connector {
  display: flex; align-items: center; justify-content: center;
  padding-top: 20px; flex-shrink: 0;
}
.step-seq h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.step-seq p { font-size: 0.9375rem; color: var(--color-text-muted); max-width: 300px; margin: 0 auto; }

/* ========== Integrations (Carousel) ========== */
.integrations { padding: 100px 0; overflow: hidden; }
.integrations .section-header { margin-bottom: 40px; }

.carousel-track-wrapper {
  overflow: hidden;
  position: relative;
  padding: 8px 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.carousel-track {
  display: flex;
  gap: 16px;
  width: max-content;
}

.carousel-left  { animation: scrollLeft 55s linear infinite; }
.carousel-right { animation: scrollRight 50s linear infinite; }

.carousel-track-wrapper:hover .carousel-track {
  animation-play-state: paused;
}

@keyframes scrollLeft {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes scrollRight {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.carousel-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 110px;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all 0.25s var(--transition-base);
  flex-shrink: 0;
}

.carousel-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.carousel-logo:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.carousel-gap { height: 12px; }

.integrations-more {
  text-align: center; margin-top: 32px; font-size: 1.0625rem;
  font-weight: 700; color: var(--color-primary);
}

/* ========== FAQ Section (Homepage) ========== */
.faq-section { padding: 100px 0; background: var(--color-surface-blue); }
.faq-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1000px; margin: 0 auto;
}
.faq-item {
  padding: 28px; border-radius: 14px; background: #fff;
  border: 1px solid var(--color-border); transition: all 0.25s;
}
.faq-item:hover {
  border-color: var(--color-border-hover); box-shadow: 0 4px 16px rgba(37,99,235,0.06);
}
.faq-question { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.faq-answer {
  font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.faq-link {
  display: inline-block; margin-top: 12px; font-size: 0.875rem;
  font-weight: 600; color: var(--color-primary); transition: color 0.2s;
}
.faq-link:hover { color: #1d4ed8; }
.faq-see-more {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; text-decoration: none;
  background: var(--color-surface-blue);
  border: 2px dashed var(--color-border-hover);
  transition: all 0.3s ease;
}
.faq-see-more:hover {
  border-color: var(--color-primary);
  background: #eff6ff;
  transform: translateY(-2px);
}
.faq-see-more .faq-question { color: var(--color-primary); }
.faq-see-more .faq-answer { font-size: 0.8125rem; }
.faq-see-more-icon {
  font-size: 1.5rem; font-weight: 700; color: var(--color-primary);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(37, 99, 235, 0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}

/* ========== CTA ========== */
.cta {
  padding: 80px 0; text-align: center;
  background: linear-gradient(135deg, #2563EB, #7C3AED, #2563EB);
  background-size: 200% 200%;
  animation: ctaGradient 8s ease-in-out infinite;
  color: #fff;
}
.cta h2 { font-size: 2.25rem; font-weight: 800; margin-bottom: 12px; }
.cta p { font-size: 1.125rem; opacity: 0.9; margin-bottom: 32px; }

@keyframes ctaGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ========== Community Pages ========== */
.community-hero {
  padding: 140px 0 60px; text-align: center;
  background: linear-gradient(180deg, #eff6ff 0%, #fff 100%);
}
.community-hero h1 { font-size: 2.75rem; font-weight: 800; margin-bottom: 12px; }
.community-hero-sm { padding: 120px 0 40px; }
.community-hero-sm h1 { font-size: 2.25rem; }
.community-subtitle { font-size: 1.125rem; color: var(--color-text-muted); max-width: 540px; margin: 0 auto; }

.breadcrumbs {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 16px;
}
.breadcrumbs a { color: var(--color-primary); font-weight: 500; }
.breadcrumbs a:hover { text-decoration: underline; }

.community-content { padding: 48px 0 80px; }

/* Categories grid */
.community-categories { margin-bottom: 56px; }
.community-categories h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 20px; }
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.category-card {
  display: flex; gap: 16px; padding: 24px; border-radius: 12px;
  border: 1px solid var(--color-border); transition: all 0.25s; align-items: flex-start;
}
.category-card:hover {
  border-color: var(--color-border-hover); box-shadow: 0 4px 16px rgba(37,99,235,0.06);
  transform: translateY(-1px);
}
.category-icon { font-size: 1.75rem; flex-shrink: 0; margin-top: 2px; }
.category-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.category-info p { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 6px; }
.category-count { font-size: 0.8125rem; font-weight: 600; color: var(--color-primary); }

/* Question list */
.recent-questions h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 20px; }
.question-list { display: flex; flex-direction: column; gap: 1px; }
.question-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-radius: 10px; border: 1px solid var(--color-border);
  transition: all 0.2s;
}
.question-row:hover {
  border-color: var(--color-border-hover); background: var(--color-surface-blue);
}
.question-row-main h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.question-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--color-text-subtle);
}
.meta-category {
  background: #dbeafe; color: var(--color-primary); padding: 2px 8px; border-radius: 4px;
  font-weight: 600; font-size: 0.75rem;
}
.meta-dot { color: #d1d5db; }
.question-row-arrow { color: var(--color-text-subtle); font-size: 1.25rem; }
.pinned-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  background: #fef3c7; color: #92400e; font-size: 0.75rem;
  font-weight: 600; margin-bottom: 4px;
}
.empty-state { text-align: center; padding: 48px; color: var(--color-text-subtle); }

/* ========== Question Detail Page ========== */
.question-page { padding: 120px 0 60px; }
.question-detail { max-width: 800px; }
.question-detail h1 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; line-height: 1.3; }
.question-meta-bar {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--color-text-subtle); margin-bottom: 24px;
}
.question-body {
  font-size: 1rem; line-height: 1.8; color: #475569;
  padding-bottom: 32px; border-bottom: 1px solid var(--color-border);
}

/* Markdown-ish styling */
.markdown-body p { margin-bottom: 12px; }
.markdown-body strong { color: var(--color-text); }
.markdown-body code {
  background: var(--color-border); padding: 2px 6px; border-radius: 4px;
  font-size: 0.875em; font-family: 'SF Mono', Monaco, monospace;
}

/* Answers */
.answers-section { max-width: 800px; margin-top: 40px; }
.answers-section h2 { font-size: 1.375rem; font-weight: 700; margin-bottom: 20px; }
.answer-card {
  padding: 28px; border-radius: 12px; border: 1px solid var(--color-border);
  margin-bottom: 16px; background: #fff;
}
.answer-accepted { border-color: #a7f3d0; background: #f0fdf4; }
.accepted-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 6px;
  background: #dcfce7; color: #166534; font-size: 0.8125rem; font-weight: 600;
  margin-bottom: 16px;
}
.answer-body {
  font-size: 0.9375rem; line-height: 1.8; color: #475569;
}
.answer-meta {
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--color-border);
  font-size: 0.8125rem; color: var(--color-text-subtle);
}

/* Related */
.related-section { max-width: 800px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--color-border); }
.related-section h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 16px; }
.related-list { display: flex; flex-direction: column; gap: 8px; }
.related-link {
  display: block; padding: 12px 16px; border-radius: 8px; border: 1px solid var(--color-border);
  font-size: 0.9375rem; font-weight: 500; color: var(--color-text); transition: all 0.2s;
}
.related-link:hover { border-color: var(--color-border-hover); color: var(--color-primary); background: var(--color-surface-blue); }

/* ========== Pricing Page ========== */
.pricing-hero {
  padding: 140px 0 60px; text-align: center;
  background: linear-gradient(180deg, #eff6ff 0%, #fff 100%);
}
.pricing-hero h1 { font-size: 2.75rem; font-weight: 800; margin-bottom: 12px; }
.pricing-subtitle { font-size: 1.125rem; color: var(--color-text-muted); margin-bottom: 28px; }

/* Billing toggle */
.billing-toggle {
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
.toggle-label {
  font-size: 0.9375rem; font-weight: 600; color: var(--color-text-subtle); transition: color 0.2s; cursor: pointer;
}
.toggle-label.active { color: var(--color-text); }
.save-badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  background: #dcfce7; color: #166534; font-size: 0.75rem; font-weight: 700;
  margin-left: 4px;
}
.toggle-switch {
  position: relative; width: 48px; height: 26px; border-radius: 13px;
  background: #e2e8f0; border: none; cursor: pointer; transition: background 0.2s;
  padding: 0;
}
.toggle-switch.active { background: var(--color-primary); }
.toggle-knob {
  position: absolute; top: 3px; left: 3px; width: 20px; height: 20px;
  border-radius: 50%; background: #fff; transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.toggle-switch.active .toggle-knob { transform: translateX(22px); }
.billing-note { font-size: 0.8125rem; color: var(--color-text-subtle); margin-bottom: 20px; }

.pricing-cards { padding: 0 0 48px; }
.plan-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.plan-card {
  position: relative; padding: 32px 24px; border-radius: 16px;
  border: 1px solid #e2e8f0; background: #fff; transition: all 0.25s;
}
.plan-card:hover { border-color: #bfdbfe; box-shadow: 0 8px 24px rgba(37,99,235,0.06); }
.plan-popular { border-color: var(--color-primary); box-shadow: 0 8px 32px rgba(37,99,235,0.12); }
.popular-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: #fff; padding: 4px 16px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 700; white-space: nowrap;
}
.plan-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.plan-desc { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 20px; }
.plan-price { margin-bottom: 4px; }
.price-amount { font-size: 2.5rem; font-weight: 800; }
.price-period { font-size: 0.9375rem; color: var(--color-text-muted); }
.plan-period { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 20px; }
.plan-btn { width: 100%; margin-bottom: 24px; }
.plan-features {
  list-style: none; padding: 0; border-top: 1px solid var(--color-border); padding-top: 20px;
}
.plan-features li {
  padding: 6px 0; font-size: 0.875rem; color: #475569;
  padding-left: 22px; position: relative;
}
.plan-features li::before {
  content: '\2713'; position: absolute; left: 0; color: var(--color-primary); font-weight: 700;
}

/* Enterprise banner */
.enterprise-banner { padding: 0 0 48px; }
.enterprise-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 40px; border-radius: 16px; border: 1px solid #e2e8f0;
  background: var(--color-surface-blue); gap: 32px;
}
.enterprise-inner h3 { font-size: 1.375rem; font-weight: 800; margin-bottom: 6px; }
.enterprise-inner p { font-size: 0.9375rem; color: var(--color-text-muted); max-width: 520px; }

/* Why per-run */
.why-per-run { padding: 60px 0; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 900px; margin: 0 auto; }
.why-card { padding: 24px; }
.why-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.why-card p { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.6; }

/* ========== Legal Pages (Privacy, Terms, Refund) ========== */
.legal-hero {
  padding: 120px 0 48px;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, #eff6ff 100%);
}
.legal-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; }
.legal-hero p { font-size: 0.9375rem; color: var(--color-text-muted); }
.legal-content { padding: 48px 0 80px; max-width: 760px; margin: 0 auto; }
.legal-content h2 { font-size: 1.5rem; font-weight: 700; margin: 32px 0 12px; }
.legal-content h3 { font-size: 1.125rem; font-weight: 600; margin: 20px 0 8px; }
.legal-content p { color: #475569; line-height: 1.8; margin-bottom: 12px; }
.legal-content ul, .legal-content ol { color: #475569; line-height: 1.8; margin-bottom: 12px; padding-left: 24px; }
.legal-content li { margin-bottom: 6px; }
.legal-content a { color: var(--color-primary); }
.legal-content a:hover { text-decoration: underline; }
.legal-content strong { color: var(--color-text); }
.legal-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.legal-content th, .legal-content td { text-align: left; padding: 10px 12px; border: 1px solid #e2e8f0; font-size: 0.9375rem; color: #475569; }
.legal-content th { background: var(--color-surface-alt); font-weight: 600; color: var(--color-text); }
.legal-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ========== Docs Page ========== */
.docs-hero {
  padding: 120px 0 48px;
  background: linear-gradient(135deg, var(--color-surface-alt) 0%, #eff6ff 100%);
}
.docs-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 8px; }
.docs-hero p { font-size: 1.125rem; color: var(--color-text-muted); }
.docs-toc { padding: 32px 0; }
.toc-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px;
}
.toc-grid a {
  display: block; padding: 12px 16px; border: 1px solid #e2e8f0; border-radius: 8px;
  font-weight: 500; color: var(--color-primary); transition: all 0.2s;
}
.toc-grid a:hover { border-color: var(--color-primary); background: #eff6ff; }
.docs-content { padding: 0 0 80px; }
.docs-section { margin-bottom: 48px; scroll-margin-top: 100px; }
.docs-section h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid #e2e8f0; }
.docs-section h3 { font-size: 1.25rem; font-weight: 600; margin: 20px 0 8px; }
.docs-section p { color: #475569; line-height: 1.8; margin-bottom: 12px; }
.docs-section ol, .docs-section ul { color: #475569; line-height: 1.8; margin-bottom: 12px; padding-left: 24px; }
.docs-section li { margin-bottom: 6px; }
.docs-section strong { color: var(--color-text); }

/* ========== Footer ========== */
.footer { padding: 64px 0 32px; background: var(--color-dark); color: var(--color-text-subtle); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9375rem; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { color: #fff; font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.footer-col a { font-size: 0.9375rem; color: var(--color-text-subtle); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #2a2a3e; padding-top: 24px; text-align: center; font-size: 0.875rem; }

/* ========== Responsive ========== */

/* --- Tablet (1024px) --- */
@media (max-width: 1024px) {
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
}

/* --- Small tablet / large phone (768px) --- */
@media (max-width: 768px) {
  /* Nav */
  .nav-links, .nav-actions { display: none; }
  .mobile-menu-btn { display: block; }

  /* Utilities */
  .section-header { margin-bottom: 36px; }
  .section-header h2 { font-size: 1.75rem; }
  .section-header p { font-size: 1rem; }

  /* Homepage hero */
  .hero { padding: 110px 0 56px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-subtitle { font-size: 1rem; margin-bottom: 28px; }
  .hero-cta { margin-bottom: 40px; }
  .flow-diagram { padding: 20px 24px; }
  .flow-node { padding: 14px 18px; }
  .connector-line { width: 20px; }
  .aurora { filter: blur(60px); }

  /* Features */
  .features { padding: 64px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 24px; }

  /* How it works */
  .how-it-works { padding: 64px 0; }
  .steps-sequence { flex-direction: column; align-items: center; gap: 0; }
  .seq-connector svg { display: none; }
  .seq-connector {
    transform: none; padding: 0;
    width: 3px; height: 48px;
    background: linear-gradient(180deg, #2563EB, #7C3AED);
    border-radius: 2px; opacity: 0.6;
  }
  .step-seq { max-width: 100%; }

  /* Integrations carousel */
  .integrations { padding: 64px 0; }
  .carousel-logo { min-width: 90px; padding: 12px 14px; }
  .carousel-logo img { width: 32px; height: 32px; }
  .carousel-logo { font-size: 0.75rem; }

  /* FAQ */
  .faq-section { padding: 64px 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-item { padding: 20px; }

  /* CTA */
  .cta { padding: 56px 0; }
  .cta h2 { font-size: 1.75rem; }
  .cta p { font-size: 1rem; margin-bottom: 24px; }

  /* Pricing */
  .pricing-hero { padding: 110px 0 40px; }
  .pricing-hero h1 { font-size: 2rem; }
  .pricing-subtitle { font-size: 1rem; }
  .plan-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .enterprise-inner { flex-direction: column; text-align: center; padding: 28px; }
  .why-per-run { padding: 48px 0; }
  .why-grid { grid-template-columns: 1fr; }

  /* Community */
  .community-hero { padding: 110px 0 40px; }
  .community-hero h1 { font-size: 2rem; }
  .community-hero-sm { padding: 100px 0 32px; }
  .community-content { padding: 32px 0 56px; }
  .community-categories { margin-bottom: 40px; }
  .category-grid { grid-template-columns: 1fr; }
  .question-row { padding: 16px; }
  .question-row-main h3 { font-size: 0.9375rem; }
  .question-meta { flex-wrap: wrap; gap: 4px 8px; }

  /* Question detail */
  .question-page { padding: 100px 0 48px; }
  .question-detail h1 { font-size: 1.5rem; }
  .question-meta-bar { flex-wrap: wrap; gap: 6px; }
  .answer-card { padding: 20px; }

  /* Legal pages */
  .legal-hero { padding: 100px 0 36px; }
  .legal-hero h1 { font-size: 1.75rem; }
  .legal-content { padding: 32px 0 56px; }
  .legal-content h2 { font-size: 1.25rem; margin: 24px 0 10px; }

  /* Docs page */
  .docs-hero { padding: 100px 0 36px; }
  .docs-hero h1 { font-size: 1.75rem; }
  .docs-toc { padding: 24px 0; }
  .toc-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-content { padding: 0 0 56px; }
  .docs-section h2 { font-size: 1.375rem; }

  /* Footer */
  .footer { padding: 48px 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* --- Phone (480px) --- */
@media (max-width: 480px) {
  /* Container tighter padding */
  .container { padding: 0 16px; }

  /* Homepage hero */
  .hero { padding: 96px 0 40px; }
  .hero h1 { font-size: 1.75rem; }
  .hero-subtitle { font-size: 0.9375rem; }
  .hero-cta { gap: 12px; margin-bottom: 32px; }
  .hero-cta .btn-lg { padding: 12px 24px; font-size: 0.9375rem; width: 100%; }
  .flow-diagram { padding: 16px 12px; }
  .flow-node { padding: 10px 12px; }
  .flow-node span { font-size: 0.75rem; }
  .node-icon { width: 32px; height: 32px; font-size: 0.875rem; }
  .connector-line { width: 12px; }
  .connector-dot { width: 5px; height: 5px; }
  .flow-connector { padding: 0 3px; }
  .aurora { opacity: 0.5; filter: blur(40px); }

  /* Sections tighter spacing */
  .features { padding: 48px 0; }
  .how-it-works { padding: 48px 0; }
  .integrations { padding: 48px 0; }
  .carousel-logo { min-width: 80px; padding: 10px 12px; gap: 6px; }
  .carousel-logo img { width: 28px; height: 28px; }
  .faq-section { padding: 48px 0; }
  .cta { padding: 40px 0; }
  .cta h2 { font-size: 1.5rem; }

  /* Pricing */
  .pricing-hero { padding: 96px 0 32px; }
  .pricing-hero h1 { font-size: 1.75rem; }
  .pricing-cards { padding: 0 0 32px; }
  .plan-card { padding: 24px 20px; }
  .price-amount { font-size: 2rem; }
  .enterprise-inner { padding: 24px 20px; }
  .enterprise-inner h3 { font-size: 1.125rem; }
  .why-per-run { padding: 32px 0; }

  /* Community */
  .community-hero { padding: 96px 0 32px; }
  .community-hero h1 { font-size: 1.625rem; }
  .community-subtitle { font-size: 1rem; }
  .community-content { padding: 24px 0 48px; }
  .category-card { padding: 16px; gap: 12px; }
  .question-row { padding: 14px 12px; }

  /* Question detail */
  .question-page { padding: 88px 0 40px; }
  .question-detail h1 { font-size: 1.25rem; }
  .answer-card { padding: 16px; }

  /* Legal pages */
  .legal-hero { padding: 88px 0 28px; }
  .legal-hero h1 { font-size: 1.5rem; }
  .legal-content { padding: 24px 0 48px; }
  .legal-content h2 { font-size: 1.125rem; }
  .legal-content th, .legal-content td { padding: 8px; font-size: 0.8125rem; }

  /* Docs page */
  .docs-hero { padding: 88px 0 28px; }
  .docs-hero h1 { font-size: 1.5rem; }
  .docs-hero p { font-size: 1rem; }
  .toc-grid { grid-template-columns: 1fr; }
  .docs-section h2 { font-size: 1.25rem; }
  .docs-section h3 { font-size: 1.0625rem; }

  /* Footer */
  .footer { padding: 40px 0 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .footer-brand .logo-full { width: 120px; }
}

/* ========== Pricing Value Prop (Homepage) ========== */
.pricing-value {
  padding: 80px 0;
  background: var(--color-surface);
}

.pricing-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 40px;
}

.compare-card {
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  background: #fff;
}

.compare-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.compare-card.compare-dranseq {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
}

.compare-example {
  margin-bottom: 16px;
}

.compare-flow {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.compare-step {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.compare-step.active {
  background: #dbeafe;
  border-color: #93c5fd;
  color: var(--color-primary);
}

.compare-arrow {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.compare-result {
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 8px 12px;
  border-radius: 8px;
}

.compare-result.bad {
  background: #fef2f2;
  color: #dc2626;
}

.compare-result.good {
  background: #f0fdf4;
  color: #16a34a;
}

.compare-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.pricing-value-cta {
  display: flex;
  justify-content: center;
  gap: 12px;
}

@media (max-width: 768px) {
  .pricing-compare-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== Pricing Calculator ========== */
.calc-section { padding: 48px 0 64px; }

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.calc-inputs h2,
.calc-results h2 {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.calc-field {
  margin-bottom: 24px;
}

.calc-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 10px;
  color: var(--color-text);
}

.calc-slider-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.calc-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #e2e8f0;
  outline: none;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(37,99,235,0.3);
  cursor: pointer;
  transition: transform 0.15s;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(37,99,235,0.3);
  cursor: pointer;
}

.calc-value {
  font-size: 1.25rem;
  font-weight: 800;
  font-family: 'Sora', sans-serif;
  min-width: 72px;
  text-align: right;
  color: var(--color-primary);
}

.calc-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.5;
}

.calc-highlight {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
}

/* Result cards */
.calc-result-card {
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: #fff;
  margin-bottom: 12px;
  transition: all 0.2s;
}

.calc-result-card.calc-dranseq {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, #eff6ff 0%, #fff 100%);
  box-shadow: 0 4px 16px rgba(37,99,235,0.1);
}

.calc-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.calc-platform-name {
  font-weight: 700;
  font-size: 0.9375rem;
}

.calc-badge {
  background: var(--color-primary);
  color: #fff;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.calc-result-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.calc-price {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Sora', sans-serif;
}

.calc-dranseq .calc-price {
  color: var(--color-primary);
}

.calc-plan-name {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.calc-result-detail {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.calc-savings-banner {
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, #dcfce7 0%, #f0fdf4 100%);
  border: 1px solid #86efac;
  text-align: center;
  font-size: 1rem;
  color: #166534;
}

.calc-explainer {
  padding: 64px 0;
  background: var(--color-surface);
}

.explainer-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .calc-price {
    font-size: 1.5rem;
  }

  .calc-value {
    font-size: 1rem;
    min-width: 56px;
  }
}

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .carousel-track { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  .reveal-stagger > * { opacity: 1; transform: none; }
}