/* main.css - Nano-Infinity Marketing Website v48.20.11
   Dark/Light Glassmorphism 2026 Theme + Mobile-First Responsive
   Enhanced: Aurora, Bento Grid, Gradient text, CSS custom props
   Copyright (c) 2024-2026 Norman Kachel. All rights reserved. */

/* ── CSS Variables ─────────────────────────────────────────────────────── */
:root {
  --bg-primary:     #07071a;
  --bg-secondary:   #0d0d28;
  --bg-card:        rgba(255, 255, 255, 0.045);
  --bg-glass:       rgba(255, 255, 255, 0.07);
  --border-glass:   rgba(255, 255, 255, 0.10);
  --glass-bg:       rgba(12, 12, 36, 0.8);
  --glass-border:   rgba(79, 195, 247, 0.15);
  --text-primary:   #eaeaf8;
  --text-secondary: #8888b0;
  --text-muted:     #54547a;
  --accent-blue:    #4fc3f7;
  --accent-purple:  #7c4dff;
  --accent-pink:    #ff6ec7;
  --accent-cyan:    #00e5ff;
  --accent-gradient: linear-gradient(135deg, #4fc3f7 0%, #7c4dff 50%, #ff6ec7 100%);
  --accent-glow:    linear-gradient(135deg, #4fc3f7 0%, #7c4dff 100%);
  --btn-primary:    linear-gradient(135deg, #1565c0 0%, #4c1d95 100%);
  --btn-hover:      linear-gradient(135deg, #1976d2 0%, #6d28d9 100%);
  --shadow-card:    0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.04);
  --shadow-glow:    0 0 40px rgba(79, 195, 247, 0.2), 0 0 80px rgba(79,195,247,0.05);
  --radius-card:    20px;
  --radius-btn:     12px;
  --transition:     all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main:      'Inter', 'Segö UI', system-ui, sans-serif;
  --font-display:   'Space Grotesk', 'Segö UI', system-ui, sans-serif;
  --nav-height:     70px;
  /* Glassmorphism 2026 */
  --glass-blur:     saturate(180%) blur(16px);
  --card-blur:      saturate(160%) blur(12px);
}

[data-theme="light"] {
  --bg-primary:     #f0f4ff;
  --bg-secondary:   #e5eaf8;
  --bg-card:        rgba(255, 255, 255, 0.82);
  --bg-glass:       rgba(255, 255, 255, 0.72);
  --border-glass:   rgba(100, 120, 200, 0.18);
  --glass-bg:       rgba(240, 244, 255, 0.85);
  --glass-border:   rgba(79, 195, 247, 0.25);
  --text-primary:   #1a1a3e;
  --text-secondary: #4a4a6a;
  --text-muted:     #8a8aaa;
  --shadow-card:    0 8px 32px rgba(80, 100, 200, 0.12);
  --shadow-glow:    0 0 40px rgba(79, 195, 247, 0.1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}

/* ── Typography ────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

p { color: var(--text-secondary); line-height: 1.7; }

a { color: var(--accent-blue); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-purple); }

/* ── Navigation ────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  transition: var(--transition);
}

[data-theme="light"] .navbar {
  background: rgba(240, 244, 255, 0.9);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  padding: 0.3rem 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--accent-glow);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--btn-primary) !important;
  color: white !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-btn);
  font-weight: 600 !important;
  transition: var(--transition) !important;
  -webkit-text-fill-color: white !important;
}

.nav-cta:hover { background: var(--btn-hover) !important; transform: translateY(-1px); }

.nav-theme-btn {
  background: none;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
  margin-left: 1rem;
}

.nav-theme-btn:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Sections ──────────────────────────────────────────────────────────── */
section {
  padding: 6rem 0;
  position: relative;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .badge {
  display: inline-block;
  padding: 0.3rem 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
}

.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 600px; margin: 0 auto; }

/* ── Glassmorphism Card ────────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  border-color: rgba(79, 195, 247, 0.3);
}

/* ── Hero Section ──────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#particles-js {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--bg-glass);
  border: 1px solid rgba(79, 195, 247, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-blue);
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s ease;
}

.hero h1 {
  background: linear-gradient(135deg, #e8e8f8 30%, #4fc3f7 60%, #7c4dff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 700px;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeInUp 1s ease 0.6s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--btn-primary);
  color: white;
  border: none;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(21, 101, 192, 0.4);
  color: white;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

.hero-video-wrapper {
  width: 100%;
  max-width: 800px;
  margin-top: 1rem;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: fadeInUp 1s ease 0.8s both;
  position: relative;
}

.hero-video-wrapper video, .hero-video-wrapper iframe {
  width: 100%;
  aspect-ratio: 16/9;
  display: block;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeInUp 1s ease 1s both;
}

.hero-stat { text-align: center; }
.hero-stat .valü {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Features Grid ─────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
}

.feature-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 { margin-bottom: 0.75rem; }

/* ── How It Works ──────────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  position: relative;
}

.step-card {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px; height: 60px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 20px rgba(79, 195, 247, 0.3);
}

/* ── Comparison Table ──────────────────────────────────────────────────── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.comparison-table th {
  padding: 1.2rem 1.5rem;
  background: var(--bg-glass);
  font-weight: 700;
  text-align: left;
}

.comparison-table th:first-child { color: var(--text-secondary); }
.comparison-table th.col-without { color: #ef5350; }
.comparison-table th.col-with { color: #66bb6a; }

.comparison-table td {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-glass);
  background: var(--bg-card);
}

.comparison-table tr:hover td { background: var(--bg-glass); }
.comparison-table .check { color: #66bb6a; font-size: 1.2rem; }
.comparison-table .cross { color: #ef5350; font-size: 1.2rem; }

/* ── Spots Gallery ─────────────────────────────────────────────────────── */
.spots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.spot-card {
  padding: 0;
  overflow: hidden;
}

.spot-preview {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

.spot-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.spot-info {
  padding: 1.5rem;
}

/* ── Testimonials ──────────────────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  padding: 2rem;
}

.testimonial-card .stars {
  color: #ffb300;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.testimonial-card .text {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 1rem;
}

/* ── Pricing / Shop ────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  padding: 2.5rem;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border-color: rgba(79, 195, 247, 0.5);
  box-shadow: var(--shadow-card), 0 0 60px rgba(79, 195, 247, 0.1);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-glow);
  color: white;
  padding: 0.2rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 1rem 0 0.5rem;
}

.pricing-price span { font-size: 1.2rem; vertical-align: super; }

.pricing-features {
  list-style: none;
  margin: 1.5rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.4rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: #66bb6a;
  font-weight: 700;
}

/* ── Donate Section ────────────────────────────────────────────────────── */
.donate-section { background: var(--bg-secondary); }

.donate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.donate-card {
  padding: 2rem;
  text-align: center;
}

.donate-card .icon { font-size: 3rem; margin-bottom: 1rem; display: block; }
.donate-card h3 { margin-bottom: 0.75rem; }

.iban-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--accent-blue);
  cursor: pointer;
  transition: var(--transition);
}

.iban-box:hover { border-color: var(--accent-blue); }

/* ── Contact Form ──────────────────────────────────────────────────────── */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(79, 195, 247, 0.1);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.file-upload-area {
  border: 2px dashed var(--border-glass);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-muted);
}

.file-upload-area:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
.file-upload-area.drag-over { border-color: var(--accent-blue); background: rgba(79, 195, 247, 0.05); }

/* ── AI-Speak Demo ─────────────────────────────────────────────────────── */
.ai-speak-demo {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.ai-speak-textarea {
  width: 100%;
  min-height: 120px;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-main);
  resize: vertical;
  margin-bottom: 1rem;
  transition: var(--transition);
  outline: none;
}

.ai-speak-textarea:focus { border-color: var(--accent-blue); }

.speak-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.voice-selector {
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
}

/* ── Download Section ──────────────────────────────────────────────────── */
.download-section { background: var(--bg-secondary); }

.download-box {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
}

.download-size { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.5rem; }

/* ── FAQ Accordion ─────────────────────────────────────────────────────── */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border-glass);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover { color: var(--accent-blue); }

.faq-icon {
  font-size: 1.4rem;
  transition: transform 0.3s;
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--text-secondary);
}

.faq-item.open .faq-answer { max-height: 500px; }

/* ── Social Share ──────────────────────────────────────────────────────── */
.social-share {
  text-align: center;
}

.social-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
  color: white;
}

.social-btn:hover { transform: translateY(-2px); opacity: 0.9; color: white; }
.social-btn.facebook { background: #1877f2; }
.social-btn.tiktok { background: #010101; }
.social-btn.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-btn.whatsapp { background: #25d366; }
.social-btn.telegram { background: #0088cc; }
.social-btn.twitter { background: #000; }

/* ── Footer ────────────────────────────────────────────────────────────── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.footer-links h4 {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 0.5rem; }
.footer-links ul a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links ul a:hover { color: var(--accent-blue); }

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(10, 10, 26, 0.98);
    padding: 2rem;
    gap: 1rem;
    z-index: 999;
  }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
}

/* ── Utility ───────────────────────────────────────────────────────────── */
.text-gradient {
  background: var(--accent-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }

.hidden { display: none !important; }

/* ── Scroll-reveal ─────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s 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; }

/* ── Bento Grid Layout (2026 Trend) ──────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 1.2rem;
}
.bento-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 1.8rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,195,247,0.04), transparent 60%);
  pointer-events: none;
}
.bento-card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: rgba(79,195,247,0.3);
  box-shadow: var(--shadow-glow);
}
.bento-card.span-2 { grid-column: span 2; }
.bento-card.span-3 { grid-column: span 3; }
.bento-card.tall    { grid-row: span 2; }
.bento-card .bento-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
  display: block;
  filter: drop-shadow(0 0 8px rgba(79,195,247,0.4));
}

@media (max-width: 900px) { .bento-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card.span-2, .bento-card.span-3 { grid-column: span 1; }
}

/* ── Enhanced Glass Card ─────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--card-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 2rem;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.4s ease,
              border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}
.glass-card::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  transform: skewX(-15deg);
  transition: left 0.6s ease;
  pointer-events: none;
}
.glass-card:hover::after { left: 150%; }
.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79,195,247,0.25);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), 0 0 0 1px rgba(79,195,247,0.1);
}

/* ── TTS Visualizer Canvas ───────────────────────────────────── */
#tts-visualizer {
  width: 100%;
  height: 64px;
  border-radius: 8px;
  background: rgba(0,0,0,0.2);
  margin-top: 1rem;
}

/* ── Gradient border card ────────────────────────────────────── */
.card-gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  padding: 2px;
}
.card-gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  padding: 1.5px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

/* ── Glow button ─────────────────────────────────────────────── */
.btn-glow {
  position: relative;
  overflow: hidden;
}
.btn-glow::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: var(--accent-gradient);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  filter: blur(8px);
}
.btn-glow:hover::before { opacity: 0.7; }

/* ── Noise texture overlay ───────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}

/* ═══════════════════════════════════════════════════════════════════
   v48.20.11 — 2026 Progressive Enhancement Layer
   ═══════════════════════════════════════════════════════════════════ */

/* ── Native CSS Scroll-Timeline progress bar ─────────────────────── */
.scroll-progress-bar,
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 9999;
  /* Native scroll-timeline: injected by JS for supporting browsers */
}

/* ── Vanta canvas sizing ─────────────────────────────────────────── */
#webgl-bg canvas {
  width: 100% !important;
  height: 100% !important;
  opacity: 0.65;
}

/* ── Lottie feature icon host ────────────────────────────────────── */
.feature-icon[data-lottie] {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
}

/* ── Floating orbs (created by Anime.js) ────────────────────────── */
#hero {
  overflow: hidden;
}

/* ── View Transitions hero morphing ─────────────────────────────── */
.hero-title { view-transition-name: hero-title; }
.hero-badge { view-transition-name: hero-badge; }

/* ── @starting-style smooth dialog/modal entry ───────────────────── */
@supports (selector(:popover-open)) {
  dialog, .modal {
    transition: opacity 0.25s ease, transform 0.25s ease,
                overlay 0.25s allow-discrete, display 0.25s allow-discrete;
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  @starting-style {
    dialog[open], .modal.active {
      opacity: 0;
      transform: translateY(-16px) scale(0.96);
    }
  }
}

/* ── Cookie banner smooth entry ──────────────────────────────────── */
.cookie-banner {
  transition: opacity 0.3s ease, transform 0.3s ease;
}
@starting-style {
  .cookie-banner {
    opacity: 0;
    transform: translateY(16px);
  }
}

/* ── Anime.js spring entrance reset (before JS runs) ────────────── */
@media (prefers-reduced-motion: no-preference) {
  .feature-card,
  .bento-card,
  .glass-card {
    /* opacity set to 0 by JS; ensure no FOUC on slow loads */
    will-change: transform, opacity;
  }
}

/* ── Liquid glass iOS-style card (round 4 enhanced) ──────────────── */
.liquid-glass-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(32px) saturate(2) brightness(1.1);
  -webkit-backdrop-filter: blur(32px) saturate(2) brightness(1.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 28px;
  box-shadow:
    0 8px 32px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.25),
    inset 0 -1px 0 rgba(255,255,255,0.05);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.liquid-glass-card:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow:
    0 20px 60px rgba(108, 99, 255, 0.3),
    inset 0 1px 0 rgba(255,255,255,0.35);
}

/* ── tsParticles canvas ──────────────────────────────────────────── */
#particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

/* ── Ink-bleed filter badge ──────────────────────────────────────── */
.hero-badge {
  will-change: filter;
}

/* ── Reduced motion: disable all our custom animations ───────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scroll-progress-bar { display: none; }
}


.back-btn{position:fixed;top:20px;left:20px;z-index:9999;
  background:rgba(255,255,255,.1);backdrop-filter:blur(10px);
  color:#fff;padding:8px 16px;border-radius:20px;text-decoration:none;
  font-size:14px;border:1px solid rgba(255,255,255,.2);transition:all .3s ease;
  white-space:nowrap;}
.back-btn:hover{background:rgba(255,255,255,.2);transform:translateX(-2px);}


/* ===== v482016: Performance & Accessibility Improvements ===== */

/* Critical rendering optimizations */
html { scroll-behavior: smooth; }
img { loading: lazy; }
*, *::before, *::after { box-sizing: border-box; }

/* Improved font rendering */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visibility for keyboard nav */
:focus-visible {
  outline: 2px solid #6c63ff;
  outline-offset: 3px;
  border-radius: 3px;
}

/* Skip navigation link */
.skip-nav {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #6c63ff;
  color: white;
  padding: 8px 16px;
  z-index: 99999;
  border-radius: 0 0 6px 6px;
  font-weight: 600;
  text-decoration: none;
}
.skip-nav:focus { left: 0; }

/* Free Tools Section */
.free-tools-section { padding: 80px 0; background: rgba(108,99,255,0.03); }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 40px 0; }
.tool-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(108,99,255,0.2); border-radius: 12px; padding: 24px; transition: all 0.3s ease; }
.tool-card:hover { border-color: #6c63ff; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(108,99,255,0.2); }
.tool-icon { font-size: 36px; margin-bottom: 12px; }
.tool-card h3 { color: white; font-size: 18px; margin: 0 0 8px; }
.tool-card p { color: #9999bb; font-size: 14px; margin: 0 0 12px; }
.tool-card a { color: #6c63ff; text-decoration: none; font-size: 13px; transition: color 0.2s; }
.tool-card a:hover { color: #a89cff; text-decoration: underline; }
.tools-note { text-align: center; color: #9999bb; font-style: italic; }

/* Waitlist Section */
.waitlist-section { padding: 70px 0; background: rgba(0,0,0,0.2); }
.waitlist-form input[type="email"]:focus {
  border-color: #6c63ff;
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.waitlist-form button[type="submit"]:hover { opacity: 0.85; }

/* Back button for subpages */
.back-btn {
  display: inline-block;
  position: fixed;
  top: 16px;
  left: 16px;
  background: rgba(108,99,255,0.15);
  color: #a89cff;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid rgba(108,99,255,0.3);
  backdrop-filter: blur(8px);
  z-index: 9999;
  transition: all 0.2s;
}
.back-btn:hover {
  background: rgba(108,99,255,0.3);
  color: white;
}

/* Print styles */
@media print {
  .nano-bot-widget, #dev-warning-banner, .back-btn { display: none !important; }
  body { background: white; color: black; }
  a { color: #333; }
}