/* ViewTurbo Cosmic-Tech Dark Theme
   Inspired by Linear, Vercel Dark, Raycast
   Designed for viewturbo.homes (2026)
*/

:root {
  --bg-main: #0A0A0F;
  --bg-surface: #14141B;
  --bg-surface-elevated: #181824;
  --bg-surface-glass: rgba(20, 20, 27, 0.75);
  --text-primary: #E4E4E7;
  --text-secondary: #71717A;
  --text-muted: #52525B;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.4);
  --accent-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
  --accent-glow: rgba(139, 92, 246, 0.35);
  --accent-indigo: #6366F1;
  --accent-purple: #8B5CF6;
  --accent-pink: #EC4899;
  --font-sans: 'Geist Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --radius-btn: 8px;
  --radius-card: 14px;
  --radius-cta: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-main);
}

/* Subtle 60px Cosmic Grid Pattern */
.cosmic-grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* Mouse Follow Glow Orb */
#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(139, 92, 246, 0.12) 0%, rgba(99, 102, 241, 0.06) 40%, transparent 70%);
  mix-blend-mode: screen;
  z-index: 1;
  transition: opacity 0.3s ease;
  will-change: transform, left, top;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 2;
}

/* Typography Helpers */
.font-mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  position: relative;
  user-select: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(139, 92, 246, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
}

/* Eyebrow Pill */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #DDD6FE;
  margin-bottom: 24px;
}

.pulsing-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 10px #10B981;
}

.pulsing-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  border: 1px solid #10B981;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 0.8; }
  70% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* 1. Sticky Nav */
.header-nav {
  position: sticky;
  top: 0;
  width: 100%;
  height: 64px;
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.4);
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: #FFFFFF;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* 2. Hero Section */
.hero-section {
  position: relative;
  padding-top: 140px;
  padding-bottom: 80px;
  text-align: center;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  height: 360px;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.22) 0%, rgba(99, 102, 241, 0.1) 45%, transparent 70%);
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
}

.hero-headline {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
  color: #FFFFFF;
}

.hero-subhead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 3. Stats Strip */
.stats-strip {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(20, 20, 27, 0.35);
  margin-top: 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 10px;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Common Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 4. Features Section (3x2 Grid with 1px border only) */
.features-section {
  padding: 110px 0;
}

.features-grid-3x2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--border-color);
  gap: 1px;
}

.feature-cell {
  background: var(--bg-surface);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
}

.feature-cell:hover {
  background: #171722;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-purple);
}

.feature-heading {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.feature-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 5. Pricing Section */
.pricing-section {
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.16);
}

.pricing-card.featured {
  background: #161622;
  border: 1px solid rgba(139, 92, 246, 0.5);
  box-shadow: 0 0 35px rgba(139, 92, 246, 0.18);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: 0 0 45px rgba(139, 92, 246, 0.28);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 9999px;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.pricing-plan-name {
  font-size: 20px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.pricing-plan-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-cost {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.cost-currency {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
}

.cost-amount {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.cost-period {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
}

.pricing-feature-item svg {
  color: #10B981;
  flex-shrink: 0;
}

/* 6. Testimonials Section */
.testimonials-section {
  padding: 100px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  transition: transform 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.16);
}

.testimonial-quote {
  font-size: 15px;
  line-height: 1.65;
  color: #D4D4D8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-gradient {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #FFFFFF;
  font-size: 16px;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
}

.author-role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* FAQ Accordion Section */
.faq-section {
  padding: 90px 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: #FFFFFF;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  transition: transform 0.3s ease;
  color: var(--text-secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--accent-purple);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
  transition: max-height 0.3s ease-in-out;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* 7. CTA Band */
.cta-band-section {
  padding: 80px 0;
}

.cta-band {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.15) 50%, rgba(236, 72, 153, 0.12) 100%);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-cta);
  padding: 64px 40px;
  text-align: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.cta-band-headline {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-band-subhead {
  font-size: 16px;
  color: #D4D4D8;
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-band-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

/* 8. Footer (4-column grid + bottom row) */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: #09090D;
  padding: 70px 0 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-blurb {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-column-title {
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.footer-link-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #FFFFFF;
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-meta {
  font-family: var(--font-mono);
}

/* Scroll-reveal system */
.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Article & Content Page Specific Styling */
.article-header {
  padding-top: 100px;
  padding-bottom: 40px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

.breadcrumb-nav a:hover {
  color: #FFFFFF;
}

.article-content {
  max-width: 840px;
  margin: 0 auto 80px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 48px;
  font-size: 16px;
  line-height: 1.8;
  color: #D4D4D8;
}

.article-content h1, .article-content h2, .article-content h3 {
  color: #FFFFFF;
  margin-top: 36px;
  margin-bottom: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.article-content h1 { font-size: 32px; }
.article-content h2 { font-size: 24px; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.article-content h3 { font-size: 20px; }

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin-left: 24px;
  margin-bottom: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content a {
  color: var(--accent-indigo);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--accent-pink);
}

.article-content blockquote {
  border-left: 3px solid var(--accent-purple);
  padding-left: 18px;
  margin: 24px 0;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  padding-top: 8px;
  padding-bottom: 8px;
}

.article-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.news-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease;
  text-decoration: none;
  color: inherit;
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
}

.news-card-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.news-card-title {
  font-size: 18px;
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.4;
  margin-bottom: 12px;
}

.news-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.news-card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-purple);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 64px;
  }
  .features-grid-3x2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 44px;
    letter-spacing: -0.03em;
  }
  .hero-section {
    padding-top: 100px;
    padding-bottom: 50px;
  }
  .hero-subhead {
    font-size: 16px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .features-grid-3x2 {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 28px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: #0D0D14;
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
  }
  .nav-links.show-mobile {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom-row {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .article-card-grid {
    grid-template-columns: 1fr;
  }
  .article-content {
    padding: 24px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cta-band {
    padding: 40px 20px;
  }
  .cta-band-headline {
    font-size: 28px;
  }
  .cta-band-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-band-actions .btn {
    width: 100%;
  }
}