/* ============================================
   Aidenyx — Landing Page Styles
   Hybrid palette: dark bg + lilac→orange gradient
   ============================================ */

:root {
  --bg-deep: #17181A;
  --bg-surface: #2C2C2D;
  --bg-card: #222326;
  --text-primary: #F7F7FF;
  --text-muted: #D6D6DF;
  --text-subtle: #9999AA;
  --accent-purple: #6547FF;
  --accent-violet: #8A38F5;
  --grad-lilac: #A795FF;
  --grad-orange: #FF9B7A;
  --grad-primary: linear-gradient(135deg, #A795FF 0%, #FF9B7A 100%);
  --grad-primary-rev: linear-gradient(135deg, #FF9B7A 0%, #A795FF 100%);
  --glass-bg: rgba(44, 44, 45, 0.6);
  --glass-border: rgba(167, 149, 255, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.grad-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* ============================================
   Header / Nav
   ============================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}

#header.scrolled {
  background: rgba(23, 24, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 6px;
  transition: filter var(--transition);
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 12px rgba(167, 149, 255, 0.5));
}

.nav-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--text-primary); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  overflow: hidden;
}

.lang-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-subtle);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.05em;
}

.lang-btn.active {
  background: var(--grad-primary);
  color: #fff;
  border-radius: 18px;
}

.nav-cta {
  padding: 10px 20px;
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  font-family: 'Inter', sans-serif;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ============================================
   Hero
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--grad-lilac);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(52px, 8vw, 96px);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 400;
  max-width: 600px;
}

.hero-description {
  font-size: 16px;
  color: var(--text-subtle);
  margin-bottom: 48px;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--grad-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  font-family: 'Inter', sans-serif;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(167, 149, 255, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  font-family: 'Inter', sans-serif;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--grad-lilac);
  background: rgba(167, 149, 255, 0.08);
  transform: translateY(-2px);
}

/* ============================================
   Section headings
   ============================================ */
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grad-lilac);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 56px;
}

/* ============================================
   Problem
   ============================================ */
#problem {
  background: var(--bg-surface);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  perspective: 1000px;
}

.glass-card:hover {
  transform: translateY(-6px) rotateX(2deg);
  border-color: rgba(167, 149, 255, 0.35);
  box-shadow: 0 20px 48px rgba(101, 71, 255, 0.15);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}

.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ============================================
   Insight
   ============================================ */
#insight {
  text-align: center;
  padding: 120px 0;
}

.insight-quote {
  font-size: clamp(28px, 4.5vw, 56px);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  max-width: 900px;
  margin: 0 auto 32px;
  line-height: 1.2;
}

.insight-body {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   What is Aidenyx
   ============================================ */
#what-is {
  background: var(--bg-surface);
}

.layers-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 48px;
}

.layer-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  gap: 24px;
  backdrop-filter: blur(20px);
  transition: transform var(--transition), border-color var(--transition);
  cursor: default;
}

.layer-card:nth-child(2) { transform: translateX(24px); }
.layer-card:nth-child(3) { transform: translateX(48px); }

.layer-card:hover { transform: translateX(0) translateY(-3px) !important; border-color: rgba(167,149,255,0.4); }

.layer-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 60px;
}

.layer-content h3 {
  font-size: 22px;
  margin-bottom: 6px;
}

.layer-content p {
  font-size: 15px;
  color: var(--text-muted);
}

/* ============================================
   Ecosystem
   ============================================ */
#ecosystem {}

.eco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.eco-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  backdrop-filter: blur(20px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.eco-card:hover {
  transform: translateY(-8px);
  border-color: rgba(167,149,255,0.3);
  box-shadow: 0 24px 56px rgba(101,71,255,0.15);
}

.eco-card:hover::before { opacity: 1; }

.eco-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eco-tagline {
  font-size: 13px;
  color: var(--grad-lilac);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 14px;
}

.eco-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

.eco-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  background: rgba(167,149,255,0.12);
  border: 1px solid rgba(167,149,255,0.25);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grad-lilac);
}

/* ============================================
   Why Now
   ============================================ */
#why-now {
  background: var(--bg-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform var(--transition), border-color var(--transition);
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: rgba(167,149,255,0.3);
}

.why-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 44px;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  line-height: 1;
}

.why-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.why-card p {
  font-size: 15px;
  color: var(--text-muted);
}

/* ============================================
   Philosophy + Vision
   ============================================ */
#philosophy {
  text-align: center;
  overflow: hidden;
}

.philosophy-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 60px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.phil-block {
  padding: 72px 48px;
  position: relative;
}

.phil-block:first-child {
  background: var(--bg-surface);
}

.phil-block:last-child {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
}

.phil-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grad-lilac);
  margin-bottom: 20px;
}

.phil-statement {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.3;
}

/* ============================================
   CTA / Footer
   ============================================ */
#cta-footer {
  background: var(--bg-deep);
  text-align: center;
  padding: 120px 0 80px;
}

.cta-title {
  font-size: clamp(36px, 5vw, 64px);
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 480px;
  margin: 0 auto 64px;
}

.cta-input {
  flex: 1;
  min-width: 220px;
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color var(--transition);
}

.cta-input::placeholder { color: var(--text-subtle); }
.cta-input:focus { border-color: var(--grad-lilac); }

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 700;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-subtle);
}

/* ============================================
   Reveal animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .philosophy-wrap {
    grid-template-columns: 1fr;
  }
  .layer-card:nth-child(2),
  .layer-card:nth-child(3) { transform: none; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links { display: none; }

  .nav-inner { padding: 16px 20px; }

  .hero-ctas { flex-direction: column; align-items: flex-start; }

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

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

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

  .phil-block { padding: 48px 28px; }

  .footer-bottom { flex-direction: column; text-align: center; }

  #hero-canvas { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .insight-quote { font-size: 26px; }
}

/* ============================================
   Reduced motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  #hero-canvas { display: none; }
}