/* ================================================
   rAIvolution — Main Stylesheet (Theme #1)
   ================================================ */

/* ========== CSS VARIABLES (Theme 1 defaults) ========== */
:root {
  /* Colors */
  --primary: #a78bfa;
  --primary-dark: #7c3aed;
  --secondary: #60a5fa;
  --secondary-dark: #3b82f6;
  --accent: #ff006e;
  --accent-warm: #ff9500;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #b0b0cc;
  --text-muted: #8080a0;
  --text-muted-light: #9090b0;

  /* Backgrounds */
  --bg-base: #0a0a1a;
  --bg-dark: #0d0d2b;
  --bg-purple: #1a0a2e;
  --bg-card: #1a1a3a;
  --nav-bg: rgba(10, 10, 26, 0.85);
  --nav-bg-scrolled: rgba(10, 10, 26, 0.95);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-bg-hover: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.15);

  /* Accent variants */
  --primary-soft: rgba(167, 139, 250, 0.15);
  --primary-border: rgba(167, 139, 250, 0.3);
  --primary-glow: rgba(124, 58, 237, 0.35);
  --secondary-soft: rgba(96, 165, 250, 0.15);
  --secondary-border: rgba(96, 165, 250, 0.2);
  --secondary-glow: rgba(96, 165, 250, 0.4);
  --purple-glow: rgba(60, 20, 120, 0.25);
  --blue-glow: rgba(10, 30, 100, 0.3);

  /* Gradients */
  --gradient-bg: linear-gradient(135deg, #0a0a2e 0%, #0d0d2b 15%, #1a0a2e 30%, #0a0a1a 50%, #1a0a2e 70%, #0d0d2b 85%, #0a0a2e 100%);
  --gradient-hero: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, rgba(96, 165, 250, 0.1) 30%, rgba(167, 139, 250, 0.05) 60%, transparent 100%);
  --gradient-button: linear-gradient(135deg, #7c3aed, #3b82f6);
  --gradient-button-hover: linear-gradient(135deg, #8b5cf6, #6366f1);
  --gradient-text: linear-gradient(135deg, #a78bfa, #60a5fa);
  --gradient-divider: linear-gradient(90deg, transparent, var(--primary), transparent);
  --gradient-nav: linear-gradient(180deg, rgba(10, 10, 26, 0.85), rgba(10, 10, 26, 0.95));
  --gradient-hover: linear-gradient(135deg, rgba(167, 139, 250, 0.15), rgba(96, 165, 250, 0.1));
  --gradient-glow: radial-gradient(ellipse 80% 60% at 20% 30%, rgba(60, 20, 120, 0.25) 0%, transparent 60%), radial-gradient(ellipse 60% 50% at 80% 70%, rgba(10, 30, 100, 0.3) 0%, transparent 55%), radial-gradient(ellipse 50% 40% at 50% 50%, rgba(40, 10, 80, 0.15) 0%, transparent 50%);
  --gradient-card: linear-gradient(145deg, rgba(167, 139, 250, 0.05), rgba(96, 165, 250, 0.03));
  --gradient-section: linear-gradient(180deg, transparent, rgba(167, 139, 250, 0.03), transparent);
  --gradient-nav: linear-gradient(180deg, rgba(10, 10, 26, 0.98), rgba(10, 10, 26, 0.95));
}

/* ========== LOCAL FONTS ========== */
@font-face {
  font-family: 'Ubuntu';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/Ubuntu-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Ubuntu';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/Ubuntu-Bold.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/Montserrat-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/Montserrat-Bold.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'SpaceGrotesk';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/SpaceGrotesk-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'SpaceGrotesk';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/SpaceGrotesk-Bold.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/DMSans-Regular.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/DMSans-Bold.woff2') format('woff2');
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/Poppins-Regular.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/Poppins-Regular.ttf') format('truetype');
  font-display: swap;
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-secondary);
  background: var(--bg-base);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ========== BACKGROUND GRADIENT ========== */
.bg-gradient {
  position: fixed; inset: 0; z-index: -2;
  background: var(--gradient-bg);
}
.bg-gradient::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--gradient-glow);
}

/* ========== ANIMATED PARTICLES (canvas) ========== */
#particles-canvas {
  position: fixed; inset: 0; z-index: -1;
  pointer-events: none;
}

/* ========== HEADER / NAV ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 2rem;
  height: 70px;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  transition: background 0.3s;
}
.header.scrolled { background: var(--nav-bg-scrolled); }

/* ---- rAIvolution Logo ---- */
.logo {
  font-weight: 700; letter-spacing: 0.02em;
  color: var(--text-primary);
}
/* Default header logo styling — matches lv-1 grid variant exactly */
.logo .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-secondary); font-size: 0.85em; }
.logo .AI {
  font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em;
  background: var(--gradient-text);
  background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); font-size: 0.85em; }
/* Boxed AI variants (V11-V20) — mirrors .AI behavior */
.logo .AI-box {
  font-size: 1em; font-weight: 800;
  background: var(--gradient-text);
  background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* Contrast box variants (V41-V50) — default text color */
.logo .AI-contrast {
  font-size: 1em; font-weight: 800;
  color: var(--text-primary);
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ---- Nav Links ---- */
.nav-links {
  display: flex; align-items: center; gap: 2rem; list-style: none;
}
.nav-links a {
  font-size: 0.95rem; font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.25s;
  position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-text);
  transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }

/* ---- Language & Theme Switcher ---- */
.lang-theme-group {
  display: flex; align-items: center; gap: 0.6rem;
}
.lang-switch {
  display: flex; align-items: center; gap: 0.4rem;
  cursor: pointer; user-select: none;
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px; padding: 4px 10px;
  transition: all 0.25s;
}
.lang-switch:hover {
  border-color: var(--primary-border);
  color: var(--text-primary);
}
.lang-switch .flag {
  width: 20px; height: 14px; border-radius: 2px;
  display: inline-block; overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.lang-switch .flag svg { display: block; width: 100%; height: 100%; }
.lang-switch .arrow { font-size: 0.7rem; margin-left: 2px; }

.theme-select {
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 4px 8px;
  cursor: pointer;
  outline: none;
  transition: all 0.25s;
}
.theme-select:hover {
  border-color: var(--primary-border);
  color: var(--text-primary);
}
.theme-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* ---- Mobile Hamburger ---- */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 26px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  padding: 120px 2rem 80px;
  position: relative;
  gap: 3rem;
}

/* Hero light effect */
.hero-light-effect {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: var(--gradient-hero);
  border-radius: 50%;
  animation: pulse-light 4s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}
@keyframes pulse-light {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-light-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 400px; height: 400px;
  border: 2px solid var(--primary-soft);
  border-radius: 50%;
  animation: ring-pulse 3s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}
@keyframes ring-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.6; }
}

/* Hero content wrapper */
.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 600px;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 0.3em;
  position: relative;
  z-index: 1;
}
.hero-title .brand {
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  /* Lightbulb glow effect */
  filter: drop-shadow(0 0 8px rgba(167, 139, 250, 0.5)) drop-shadow(0 0 20px rgba(96, 165, 250, 0.3));
  animation: lightbulb-glow 3s ease-in-out infinite;
}
@keyframes lightbulb-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(167, 139, 250, 0.5)) drop-shadow(0 0 20px rgba(96, 165, 250, 0.3)); }
  50% { filter: drop-shadow(0 0 15px rgba(167, 139, 250, 0.8)) drop-shadow(0 0 35px rgba(96, 165, 250, 0.5)); }
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400; color: var(--text-secondary);
  margin-bottom: 0.15em;
}
.hero-ampersand {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 300; color: var(--secondary);
  margin: 0.1em 0;
  opacity: 0.8;
}
.hero-subtitle-2 {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400; color: var(--text-secondary);
  margin-bottom: 2.5rem;
}
.hero-cta {
  display: inline-block;
  padding: 14px 40px;
  font-size: 1.05rem; font-weight: 600;
  color: var(--text-primary);
  background: var(--gradient-button);
  border: none; border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px var(--primary-glow);
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--primary-glow);
}

/* ========== SECTIONS ========== */
.section {
  padding: 100px 2rem;
  max-width: 1100px; margin: 0 auto;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700; color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--text-muted-light);
  text-align: center; max-width: 700px;
  margin: 0 auto 3rem;
}

.section-text-white {
  color: var(--text-primary);
}

/* ---- Long text sections ========== */
.section-content {
  max-width: 800px;
  margin: 0 auto 3rem;
}
.section-content h3 {
  font-size: 1.3rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 1rem;
}
.section-content p {
  font-size: 1rem; color: var(--text-secondary); line-height: 1.75;
  margin-bottom: 1.5rem;
}
.section-content ul {
  list-style: none;
  margin-bottom: 1.5rem;
}
.section-content ul li {
  font-size: 0.95rem; color: var(--text-secondary); line-height: 1.65;
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}
.section-content ul li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ---- How-it-works cards ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.25s, border-color 0.25s;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-border);
}
.step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--gradient-button);
  color: #fff; font-weight: 700; font-size: 1.1rem;
  margin-bottom: 1rem;
}
.step-card h3 {
  font-size: 1.15rem; font-weight: 600; color: var(--text-primary);
  margin-bottom: 0.6rem;
}
.step-card p {
  font-size: 0.95rem; color: var(--text-muted-light); line-height: 1.65;
}

/* ---- Benefit bars ---- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 2rem;
}
.benefit-col {
  text-align: center;
}
.benefit-col h3 {
  font-size: 1.3rem; font-weight: 700;
  margin-bottom: 1.5rem;
}
.benefit-col.company h3 { color: var(--secondary); }
.benefit-col.employee h3 { color: var(--primary); }
.benefit-item {
  display: flex; align-items: flex-start; gap: 0.7rem;
  margin-bottom: 1rem; text-align: left;
}
.benefit-icon {
  flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; color: #fff;
  margin-top: 2px;
}
.benefit-icon.blue { background: var(--secondary-dark); }
.benefit-icon.purple { background: var(--primary-dark); }
.benefit-item p {
  font-size: 0.95rem; color: var(--text-secondary); line-height: 1.55;
}

/* ---- 50/50 Visual ---- */
.split-visual {
  display: flex; gap: 2rem; align-items: stretch;
  margin: 3rem auto; max-width: 800px;
}
.split-half {
  flex: 1; border-radius: 12px; padding: 2.5rem 2rem;
  text-align: center;
}
.split-half.left {
  background: var(--secondary-soft);
  border: 1px solid var(--secondary-border);
}
.split-half.right {
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
}
.split-half .big-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
}
.split-half.left .big-number { color: var(--secondary); }
.split-half.right .big-number { color: var(--primary); }
.split-half h4 {
  font-size: 1.1rem; font-weight: 600; color: var(--text-primary);
  margin: 0.5rem 0 0.3rem;
}
.split-half p { font-size: 0.9rem; color: var(--text-muted-light); }
.split-vs {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; color: var(--text-primary);
  flex-shrink: 0;
}

/* ========== TESTIMONIALS ========== */
.testimonials {
  overflow: hidden;
  padding: 4rem 0;
  margin-top: 2rem;
}
.testimonials-track {
  display: flex;
  animation: scroll 30s linear infinite;
  gap: 2rem;
}
.testimonials-track:hover {
  animation-play-state: paused;
}
@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.testimonial-card {
  flex-shrink: 0;
  width: 350px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.25s;
}
.testimonial-card:hover {
  border-color: var(--primary-border);
}
.testimonial-text {
  font-size: 0.95rem; color: var(--text-secondary); line-height: 1.65;
  font-style: italic;
  margin-bottom: 1.5rem;
}
.testimonial-author {
  font-size: 0.9rem; font-weight: 600; color: var(--text-primary);
}
.testimonial-role {
  font-size: 0.8rem; color: var(--text-muted-light);
}

/* ========== LOGO VARIANTS SECTION ========== */
.logo-variants {
  display: flex; flex-wrap: wrap; gap: 2rem;
  justify-content: center; align-items: center;
  margin-top: 2rem;
}
.logo-variant {
  font-weight: 700;
  padding: 1rem 1.5rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
  user-select: all;
}
.logo-variant:hover {
  border-color: var(--primary-border);
  background: var(--card-bg-hover);
}
.logo-variant.selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}
/* All variants: uniform sizing — r, AI, volution all same height */
.lv-1 { font-size: 2rem; }
.lv-1 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-1 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-1 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-2 { font-size: 2rem; }
.lv-2 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }
.lv-2 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-2 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }

.lv-3 { font-size: 2rem; }
.lv-3 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }
.lv-3 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(135deg, var(--secondary), var(--primary), var(--secondary)); background-size: 200% 200%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: shimmer 3s ease-in-out infinite; }
.lv-3 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }

.lv-4 { font-size: 2rem; letter-spacing: 0.04em; }
.lv-4 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }
.lv-4 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--secondary); }
.lv-4 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }

.lv-5 { font-size: 2rem; }
.lv-5 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }
.lv-5 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 25px var(--primary-soft); }
.lv-5 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }

.lv-6 { font-size: 2rem; }
.lv-6 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }
.lv-6 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-6 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }

.lv-7 { font-size: 2rem; letter-spacing: 0.06em; }
.lv-7 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }
.lv-7 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--primary); }
.lv-7 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }

.lv-8 { font-size: 2rem; }
.lv-8 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-8 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-8 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-9 { font-size: 2rem; }
.lv-9 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-9 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-9 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-10 { font-size: 2rem; letter-spacing: 0.03em; }
.lv-10 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-10 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--primary); }
.lv-10 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-11 { font-size: 2rem; }
.lv-11 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-11 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(135deg, var(--primary), var(--secondary), #34d399); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-11 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-12 { font-size: 2rem; }
.lv-12 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }
.lv-12 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-12 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-13 { font-size: 2rem; letter-spacing: 0.08em; }
.lv-13 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }
.lv-13 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(90deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-13 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }

.lv-14 { font-size: 2rem; }
.lv-14 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-14 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--secondary); text-shadow: 0 0 15px var(--secondary-glow); }
.lv-14 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }

.lv-15 { font-size: 2rem; }
.lv-15 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-15 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-15 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }

.lv-16 { font-size: 2rem; }
.lv-16 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-16 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-16 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }

.lv-17 { font-size: 2rem; letter-spacing: 0.05em; }
.lv-17 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }
.lv-17 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(135deg, var(--secondary), var(--primary), var(--secondary)); background-size: 200% 200%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: shimmer 4s ease-in-out infinite; }
.lv-17 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-18 { font-size: 2rem; }
.lv-18 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }
.lv-18 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--primary); }
.lv-18 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-19 { font-size: 2rem; }
.lv-19 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-19 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-19 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-20 { font-size: 2rem; letter-spacing: 0.02em; }
.lv-20 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }
.lv-20 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 30px var(--primary-soft); }
.lv-20 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--secondary); }

/* V11-V20: AI-box variants (grid CSS — mirrors .AI rules for .AI-box class) */
.lv-11 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(135deg, var(--primary), var(--secondary), #34d399); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-12 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-13 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(90deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-14 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--secondary); text-shadow: 0 0 15px var(--secondary-glow); }
.lv-15 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-16 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-17 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: linear-gradient(135deg, var(--secondary), var(--primary), var(--secondary)); background-size: 200% 200%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: shimmer 4s ease-in-out infinite; }
.lv-18 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--primary); }
.lv-19 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-20 .AI-box { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 30px var(--primary-soft); }

/* V21-V40: New logo variants */
.lv-21 { font-size: 2.2rem; }
.lv-21 .r { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); font-size: 1.2em; }
.lv-21 .AI { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; font-size: 1.2em; color: var(--text-primary); }
.lv-21 .volution { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); font-size: 1.2em; }

.lv-22 { font-size: 2.2rem; }
.lv-22 .r { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-22 .AI { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1em; color: var(--primary); }
.lv-22 .volution { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-23 { font-size: 2.2rem; }
.lv-23 .r { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-23 .AI { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-23 .volution { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-24 { font-size: 2.2rem; }
.lv-24 .r { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--primary); }
.lv-24 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-24 .volution { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--primary); }

.lv-25 { font-size: 2.2rem; }
.lv-25 .r { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-25 .AI { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 20px var(--secondary-glow); }
.lv-25 .volution { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-26 { font-size: 2.2rem; letter-spacing: 0.06em; }
.lv-26 .r { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--text-secondary); }
.lv-26 .AI { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-26 .volution { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--text-secondary); }

.lv-27 { font-size: 2.2rem; }
.lv-27 .r { font-family: 'DM Sans', sans-serif; font-weight: 400; color: var(--primary); }
.lv-27 .AI { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); }
.lv-27 .volution { font-family: 'DM Sans', sans-serif; font-weight: 400; color: var(--primary); }

.lv-28 { font-size: 2.2rem; }
.lv-28 .r { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-28 .AI { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1em; background: linear-gradient(135deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-28 .volution { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-29 { font-size: 2.2rem; }
.lv-29 .r { font-family: 'Montserrat', sans-serif; font-weight: 400; color: var(--secondary); }
.lv-29 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-29 .volution { font-family: 'Montserrat', sans-serif; font-weight: 400; color: var(--secondary); }

.lv-30 { font-size: 2.2rem; }
.lv-30 .r { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--primary); }
.lv-30 .AI { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 1em; background: linear-gradient(135deg, var(--primary), var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-30 .volution { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--primary); }

.lv-31 { font-size: 2.2rem; }
.lv-31 .r { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-31 .AI { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); }
.lv-31 .volution { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-32 { font-size: 2.2rem; letter-spacing: 0.04em; }
.lv-32 .r { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); }
.lv-32 .AI { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 15px var(--primary-soft); }
.lv-32 .volution { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); }

.lv-33 { font-size: 2.2rem; }
.lv-33 .r { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-33 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-33 .volution { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-34 { font-size: 2.2rem; }
.lv-34 .r { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-34 .AI { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); }
.lv-34 .volution { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-35 { font-size: 2.2rem; }
.lv-35 .r { font-family: 'DM Sans', sans-serif; font-weight: 400; color: var(--primary); }
.lv-35 .AI { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1em; background: linear-gradient(135deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-35 .volution { font-family: 'DM Sans', sans-serif; font-weight: 400; color: var(--primary); }

.lv-36 { font-size: 2.2rem; }
.lv-36 .r { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-36 .AI { font-family: 'SpaceGrotesk', sans-serif; font-weight: 700; font-size: 1em; color: var(--primary); }
.lv-36 .volution { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-37 { font-size: 2.2rem; letter-spacing: 0.05em; }
.lv-37 .r { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-37 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: var(--text-primary); }
.lv-37 .volution { font-family: 'Poppins', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-38 { font-size: 2.2rem; }
.lv-38 .r { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--text-secondary); }
.lv-38 .AI { font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-38 .volution { font-family: 'SpaceGrotesk', sans-serif; font-weight: 400; color: var(--text-secondary); }

.lv-39 { font-size: 2.2rem; }
.lv-39 .r { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--primary); }
.lv-39 .AI { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1em; color: var(--text-primary); text-shadow: 0 0 25px var(--primary-soft); }
.lv-39 .volution { font-family: 'DM Sans', sans-serif; font-weight: 700; color: var(--primary); }

.lv-40 { font-size: 2.2rem; }
.lv-40 .r { font-family: 'Montserrat', sans-serif; font-weight: 400; color: var(--secondary); }
.lv-40 .AI { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1em; background: linear-gradient(135deg, var(--primary), var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-40 .volution { font-family: 'Montserrat', sans-serif; font-weight: 400; color: var(--secondary); }

/* V41-V50: AI with contrast box backgrounds */
.lv-41 { font-size: 2rem; }
.lv-41 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-41 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--primary); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-41 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-42 { font-size: 2rem; }
.lv-42 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-42 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--secondary); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-42 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-43 { font-size: 2rem; letter-spacing: 0.03em; }
.lv-43 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }
.lv-43 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--gradient-text); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-43 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-primary); }

.lv-44 { font-size: 2rem; }
.lv-44 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }
.lv-44 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--primary-dark); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-44 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--primary); }

.lv-45 { font-size: 2rem; }
.lv-45 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-secondary); }
.lv-45 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #0a0a1a; background: #fff; padding: 0.15em 0.4em; border-radius: 4px; }
.lv-45 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-secondary); }

.lv-46 { font-size: 2rem; letter-spacing: 0.04em; }
.lv-46 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-46 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--secondary-dark); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-46 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }

.lv-47 { font-size: 2rem; }
.lv-47 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--accent-warm); }
.lv-47 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #0a0a1a; background: var(--accent-warm); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-47 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--accent-warm); }

.lv-48 { font-size: 2rem; }
.lv-48 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }
.lv-48 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: var(--primary); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-48 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--text-primary); }

.lv-49 { font-size: 2rem; letter-spacing: 0.02em; }
.lv-49 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }
.lv-49 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #fff; background: linear-gradient(135deg, var(--primary), var(--secondary)); padding: 0.15em 0.4em; border-radius: 4px; }
.lv-49 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--primary); }

.lv-50 { font-size: 2rem; }
.lv-50 .r { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }
.lv-50 .AI-contrast { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; color: #0a0a1a; background: linear-gradient(135deg, #fff, #e0e0ff); padding: 0.15em 0.4em; border-radius: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.lv-50 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 700; color: var(--secondary); }

/* V51: default — lv-1 design with lv-26 colors for r/volution */
.lv-51 { font-size: 2rem; }
.lv-51 .r { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-secondary); }
.lv-51 .AI { font-family: 'Inter', sans-serif; font-weight: 800; font-size: 1em; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lv-51 .volution { font-family: 'Ubuntu', sans-serif; font-weight: 400; color: var(--text-secondary); }

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 3rem 2rem;
  text-align: center;
}
.footer-links {
  display: flex; justify-content: center; gap: 2rem;
  margin-bottom: 1.5rem; flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.85rem; color: var(--text-muted);
  transition: color 0.25s;
}
.footer-links a:hover { color: var(--primary); }
.footer-copy {
  font-size: 0.8rem; color: var(--text-muted);
}

/* ========== MOBILE NAV OVERLAY ========== */
.mobile-nav {
  display: none;
  position: fixed; inset: 70px 0 0 0; z-index: 99;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 1.2rem; color: var(--text-secondary);
  transition: color 0.25s;
}
.mobile-nav a:hover { color: var(--text-primary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 100px 1.5rem 60px; }
  .section { padding: 70px 1.5rem; }
  .split-visual { flex-direction: column; gap: 1rem; }
  .split-vs { padding: 0.5rem 0; }
  .steps { grid-template-columns: 1fr; }
  .benefit-grid { grid-template-columns: 1fr; }
  .logo-variants { flex-direction: column; }
  .lang-theme-group { flex-direction: column; gap: 0.4rem; }
  .testimonial-card { width: 280px; padding: 1.5rem; }
}

/* ========== THEME NAV BUTTONS ========== */
.theme-nav-btn {
  background: var(--primary);
  color: var(--bg-base);
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
}
.theme-nav-btn:hover {
  background: var(--secondary);
  transform: scale(1.05);
}
.theme-nav-btn:active {
  transform: scale(0.95);
}

/* ========== THEME CONTROLS — WIDER ========== */
.theme-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.6rem;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  flex-shrink: 0;
}

/* ========== HERO VISUAL NAVIGATION — IN HEADER ========== */
.hero-visual-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.4rem;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  flex-shrink: 0;
}
.hero-vis-btn {
  background: var(--primary);
  color: var(--bg-base);
  border: none;
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  width: 28px;
  height: 28px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-vis-btn:hover {
  background: var(--secondary);
  transform: scale(1.05);
}
.hero-vis-btn:active {
  transform: scale(0.95);
}
.hero-vis-label {
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  min-width: 55px;
  text-align: center;
  white-space: nowrap;
}
/* ========== HERO VISUAL NAVIGATION — IN HERO SECTION (for JS-injected visuals) ========== */
.hero .hero-visual-nav {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  flex-direction: column;
  gap: 1rem;
  padding: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}
.hero .hero-vis-btn {
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  margin: 0;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.hero .hero-vis-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}
.hero .hero-vis-label {
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--primary-border);
  backdrop-filter: blur(10px);
}

/* ========== HERO BORDER FRAME (new visual) ========== */
.hero-border-frame {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 500px;
  border: 2px solid var(--primary-border);
  border-radius: 20px;
  pointer-events: none;
  z-index: -1;
  animation: framePulse 4s ease-in-out infinite;
}
@keyframes framePulse {
  0%, 100% { opacity: 0.3; border-color: var(--primary-border); }
  50% { opacity: 0.6; border-color: var(--secondary-border); }
}

/* ========== HERO CONCENTRIC SQUARES (new visual) ========== */
.hero-concentric-squares {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  pointer-events: none;
  z-index: -1;
}
.hero-concentric-squares::before,
.hero-concentric-squares::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  border: 2px solid var(--primary-soft);
  transform: translate(-50%, -50%) rotate(0deg);
}
.hero-concentric-squares::before {
  width: 400px; height: 400px;
  animation: squareRotate 8s linear infinite;
}
.hero-concentric-squares::after {
  width: 300px; height: 300px;
  border-color: var(--secondary-soft);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: squareRotateReverse 10s linear infinite;
}
@keyframes squareRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes squareRotateReverse {
  from { transform: translate(-50%, -50%) rotate(45deg); }
  to { transform: translate(-50%, -50%) rotate(-315deg); }
}

/* ========== HERO RADIAL BURST (new visual) ========== */
.hero-radial-burst {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
  animation: burstPulse 4s ease-in-out infinite;
}
@keyframes burstPulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.9); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
}

/* ========== HERO DIAMOND GRID (new visual) ========== */
.hero-diamond-grid {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  pointer-events: none;
  z-index: -1;
}
.hero-diamond-grid::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 300px; height: 300px;
  border: 2px solid var(--primary-border);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: diamondPulse 3s ease-in-out infinite;
}
.hero-diamond-grid::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 200px; height: 200px;
  border: 2px solid var(--secondary-border);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: diamondPulse 3s ease-in-out infinite 0.5s;
}
@keyframes diamondPulse {
  0%, 100% { transform: translate(-50%, -50%) rotate(45deg) scale(1); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) rotate(45deg) scale(1.3); opacity: 0.7; }
}

/* ========== HERO AURORA WAVES (new visual) ========== */
.hero-aurora-waves {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  pointer-events: none;
  z-index: -1;
  background: linear-gradient(135deg, var(--primary-soft), var(--secondary-soft), var(--primary-soft));
  border-radius: 50%;
  filter: blur(40px);
  animation: auroraMove 6s ease-in-out infinite;
}
@keyframes auroraMove {
  0%, 100% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
  50% { transform: translate(-50%, -50%) rotate(10deg) scale(1.1); }
}

/* ========== HERO STAR FIELD (new visual) ========== */
.hero-star-field {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  pointer-events: none;
  z-index: -1;
}
.hero-star-field::before {
  content: '';
  position: absolute;
  top: 20%; left: 30%;
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow:
    0 0 10px var(--primary),
    80px -30px 0 2px var(--secondary),
    150px 50px 0 1px var(--primary),
    -50px 80px 0 3px var(--secondary),
    100px -80px 0 2px var(--primary),
    -100px -50px 0 1px var(--secondary);
  animation: starTwinkle 2s ease-in-out infinite alternate;
}
@keyframes starTwinkle {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* ========== LOGO VARIANTS GRID ========== */
.logo-variants {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  padding: 0 1rem;
}
.logo-variant {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-variant::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}
.logo-variant:hover {
  transform: translateY(-5px);
  border-color: var(--primary-border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.logo-variant:hover::before {
  opacity: 0.1;
}
.logo-variant.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft), 0 10px 30px rgba(0,0,0,0.3);
}
/* Do NOT set .r or .volution colors here — per-variant CSS (lv-1..lv-50) handles that */
.logo-variant span {
  position: relative;
  z-index: 1;
}

/* ========== HEADER LOGO AI BOX VARIANTS ========== */
.ai-box-header {
  font-family: 'SpaceGrotesk', sans-serif;
  font-weight: 900;
  font-size: 1.2em;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
  margin: 0 1px;
}

/* ========== ANIMATIONS ========== */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
/* ========== DESIGN BUTTON (nav) ========== */
.design-btn {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}
.design-btn:hover { border-color: var(--primary); background: var(--card-hover); }
.design-btn.active { border-color: var(--primary); box-shadow: 0 0 12px var(--primary-glow); }

/* ========== FLOATING DESIGN PANEL ========== */
.design-panel {
  position: fixed;
  top: 80px; right: 1.5rem;
  width: 280px;
  max-width: calc(100vw - 2rem);
  box-sizing: border-box;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  z-index: 10000; /* always on top */
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  padding: 1rem;
  display: none;
  flex-direction: column;
  gap: 0.9rem;
}
.design-panel.open { display: flex; }

/* --- Logo predesigns list (design panel, single column) --- */
.predesign-list {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 340px; overflow-y: auto;
  padding: 2px;
  scrollbar-width: thin;
}
.predesign-list .logo-variant { flex: 0 0 auto; } /* no shrink in the scroll column */
.predesign-list .logo-variant {
  width: 100%; box-sizing: border-box;
  display: flex; justify-content: center; align-items: center;
  padding: 6px 6px; margin: 0;
  min-height: 0; /* beat grid-mode 120px cards */
  border-radius: 8px; border-width: 1px;
  font-size: 1.15rem !important; /* beats per-variant .lv-N sizes */
  border-color: var(--card-border);
  background: var(--card-bg); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.predesign-list .logo-variant::before { display: none; }
.predesign-list .logo-variant:hover { transform: none; box-shadow: none; border-color: var(--primary-border, var(--primary)); }
.predesign-list .logo-variant.selected { border-color: var(--primary); background: var(--primary-soft); box-shadow: none; }
.design-hint { font-size: 0.75rem; color: var(--text-muted-light, var(--text-secondary)); line-height: 1.4; margin: 2px 0 6px; }
.design-panel::-webkit-scrollbar { width: 6px; }
.design-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.design-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--card-border);
}
.design-panel-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700; font-size: 1rem;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.design-panel-close {
  background: none; border: none;
  color: var(--text-muted); font-size: 1rem;
  cursor: pointer; padding: 0.2rem 0.4rem; border-radius: 4px;
  transition: all 0.2s ease;
}
.design-panel-close:hover { color: var(--text-primary); background: var(--card-hover); }

.design-section {
  display: flex; flex-direction: column; gap: 0.45rem;
  padding: 0.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
}
.design-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.design-row {
  display: flex; align-items: center; gap: 0.4rem;
}
.design-row-label {
  flex: 0 0 72px;
  font-size: 0.75rem; color: var(--text-secondary);
}
.design-row input[type="range"] {
  flex: 1 1 0;
  min-width: 0;
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}
.design-row-value {
  flex: 0 0 auto;
  min-width: 3rem; text-align: right;
  font-family: monospace; font-size: 0.75rem;
  color: var(--text-primary);
  white-space: nowrap;
}
.design-select {
  flex: 1 1 0;
  min-width: 0;
  padding: 0.3rem 0.5rem;
  background: var(--bg-elevated, var(--card-bg));
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

/* controls reuse navbar styles but stretch inside panel */
.design-panel .theme-controls { display: flex; width: 100%; min-width: 0; }
.design-panel .theme-controls .theme-select { flex: 1 1 0; min-width: 0; width: 100%; max-width: none; }
.design-panel .hero-visual-nav { width: 100%; min-width: 0; }

.design-actions {
  display: flex; gap: 0.5rem;
  padding-top: 0.4rem;
}
.design-action-btn {
  flex: 1;
  padding: 0.5rem 0.6rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem; cursor: pointer;
  transition: all 0.3s ease;
}
.design-action-btn:hover { border-color: var(--primary); color: var(--text-primary); }

@media (max-width: 768px) {
  .design-panel { top: 70px; right: 0.75rem; left: 0.75rem; width: auto; }
}

/* ========== LIVE DESIGN OVERRIDES (design-panel.js CSS vars) ========== */
/* Overrides are GATED behind html.design-* classes so untouched variants
   keep their original per-variant styling (inline styles included). */

/* ALL logo design overrides apply to the TOP NAV LOGO ONLY (#headerLogo).
   The 51 variants in the "Logo Designs" section stay untouched. */

/* Colored rectangle behind AI (V41-V50 .AI-contrast): configurable padding */
html.design-box #headerLogo .AI-contrast {
  padding: var(--lv-pad-y, 0.15em) var(--lv-pad-x, 0.4em) !important;
}
/* Gap between colored box and the neighboring r / volution */
html.design-box #headerLogo .AI-box,
html.design-box #headerLogo .AI-contrast {
  margin-left: var(--lv-box-gap, 0.15em);
  margin-right: var(--lv-box-gap, 0.15em);
}
html.design-box #headerLogo .r + .AI-contrast,
html.design-box #headerLogo .r + .AI-box {
  margin-left: var(--lv-box-gap, 0.15em) !important;
}
html.design-box #headerLogo .AI-contrast + .volution,
html.design-box #headerLogo .AI-box + .volution {
  margin-left: var(--lv-box-gap, 0.15em) !important;
}

/* Forced colored box behind AI — works even for normal (non-box) logo variants */
html.design-aibox #headerLogo .AI,
html.design-aibox #headerLogo .AI-box,
html.design-aibox #headerLogo .AI-contrast {
  background: var(--lv-ai-box-bg, var(--primary)) !important;
  -webkit-background-clip: border-box !important; background-clip: border-box !important;
  -webkit-text-fill-color: var(--lv-ai-box-text, #ffffff) !important;
  color: var(--lv-ai-box-text, #ffffff) !important;
  text-shadow: none !important;
  padding: var(--lv-pad-y, 0.15em) var(--lv-pad-x, 0.4em) !important;
  border-radius: 0.28em;
  margin-left: var(--lv-box-gap, 0.15em);
  margin-right: var(--lv-box-gap, 0.15em);
}
html.design-aibox #headerLogo .r + .AI,
html.design-aibox #headerLogo .r + .AI-box,
html.design-aibox #headerLogo .r + .AI-contrast { margin-left: var(--lv-box-gap, 0.15em) !important; }
html.design-aibox #headerLogo .AI + .volution,
html.design-aibox #headerLogo .AI-box + .volution,
html.design-aibox #headerLogo .AI-contrast + .volution { margin-left: var(--lv-box-gap, 0.15em) !important; }

/* Font sizes (gated) */
html.design-fs-r #headerLogo .r {
  font-size: var(--lv-fs-r, 0.85em) !important;
}
html.design-fs-ai #headerLogo .AI,
html.design-fs-ai #headerLogo .AI-box,
html.design-fs-ai #headerLogo .AI-contrast {
  font-size: var(--lv-fs-ai, 1em) !important;
}
html.design-fs-vol #headerLogo .volution {
  font-size: var(--lv-fs-vol, 0.85em) !important;
}

/* Font thickness (gated) */
html.design-fw-rv #headerLogo .r,
html.design-fw-rv #headerLogo .volution {
  font-weight: var(--lv-fw-rv, 400) !important;
}
html.design-fw-ai #headerLogo .AI,
html.design-fw-ai #headerLogo .AI-box,
html.design-fw-ai #headerLogo .AI-contrast {
  font-weight: var(--lv-fw-ai, 700) !important;
}

/* Capitalization (gated, top nav logo only) */
html #headerLogo .r { text-transform: var(--lv-tt-r, none); }
html #headerLogo .AI,
html #headerLogo .AI-box,
html #headerLogo .AI-contrast { text-transform: var(--lv-tt-ai, none); }
html #headerLogo .volution { text-transform: var(--lv-tt-vol, none); }

/* ========== DESIGN PANEL — COLOR SWATCHES ========== */
.design-check { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.85rem; color: var(--text-secondary); }
.design-check input { accent-color: var(--primary); width: 15px; height: 15px; cursor: pointer; }
.design-color-group { display: block; margin-bottom: 8px; }
.design-color-group .design-row-label { display: block; margin-bottom: 5px; }
.swatch-row, .swatch-grid { display: flex; flex-wrap: wrap; gap: 5px; }
.swatch-grid { flex: 1; }
.color-swatch {
  width: 22px; height: 22px; border-radius: 5px;
  border: 2px solid var(--border);
  cursor: pointer; padding: 0;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.sel { border-color: var(--text-primary); box-shadow: 0 0 8px var(--primary-soft); }

/* gated color overrides (design-panel.js) — TOP NAV LOGO ONLY (#headerLogo) */
html.design-col-rv #headerLogo .r,
html.design-col-rv #headerLogo .volution {
  color: var(--lv-col-rv) !important;
  -webkit-text-fill-color: var(--lv-col-rv) !important;
}
html.design-col-ai-solid #headerLogo .AI,
html.design-col-ai-solid #headerLogo .AI-box,
html.design-col-ai-solid #headerLogo .AI-contrast {
  background: none !important;
  -webkit-background-clip: unset !important; background-clip: unset !important;
  -webkit-text-fill-color: var(--lv-col-ai) !important;
  color: var(--lv-col-ai) !important;
}
html.design-col-ai-grad #headerLogo .AI,
html.design-col-ai-grad #headerLogo .AI-box {
  background: var(--lv-ai-grad) !important;
  -webkit-background-clip: text !important; background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}
html.design-col-ai-grad #headerLogo .AI-contrast {
  color: #fff !important;
}

/* ================================================
   rAIvolution v2: impact, choice, paths, sAIve Earth
   ================================================ */

/* --- Hero: impact line + choice line --- */
.hero-impact {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400; color: var(--text-secondary);
  margin: 1.5rem 0 0.3em;
}
.hero-choice {
  font-size: clamp(1.05rem, 2.6vw, 1.45rem);
  font-weight: 600; color: var(--text-primary);
  margin-bottom: 2.5rem;
}
.hero-choice .brand { color: var(--primary); }
.brand { color: var(--primary); }
.brand-saive {
  color: var(--text-primary); font-weight: 700;
  letter-spacing: 0.01em; white-space: nowrap;
}
.brand-saive .AI {
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-cta.secondary {
  margin-left: 1rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  box-shadow: none;
}
.hero-cta.secondary:hover { border-color: var(--primary); background: var(--card-bg-hover); }

/* --- Impact cards (the true cost of AI) --- */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.impact-card {
  background: var(--gradient-card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  transition: transform 0.2s, border-color 0.2s;
}
.impact-card:hover { transform: translateY(-4px); border-color: var(--primary-border); }
.impact-card .impact-icon { font-size: 2rem; margin-bottom: 1rem; }
.impact-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.75rem; }
.impact-card p { font-size: 0.95rem; color: var(--text-muted-light); }
.impact-quote {
  max-width: 820px; margin: 3rem auto 0; text-align: center;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem); font-style: italic;
  color: var(--text-secondary);
}

/* --- Choose your path: two-path decision cards --- */
.path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2.5rem;
  align-items: stretch;
}
.path-card {
  display: flex; flex-direction: column;
  background: var(--gradient-card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.path-card:hover { transform: translateY(-5px); }
.path-card.earth {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2rem;
  align-items: center;
  border: 1px solid var(--primary-border);
  box-shadow: 0 4px 30px var(--primary-soft);
}
.path-card.earth:hover { box-shadow: 0 8px 40px var(--primary-glow); }
.path-card.human:hover { border-color: var(--secondary-border); }
.path-badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35em 0.9em; border-radius: 999px;
  background: var(--gradient-button); color: #fff;
  margin-bottom: 1rem;
  align-self: flex-start;
}
.path-badge.ghost {
  background: transparent; color: var(--text-muted-light);
  border: 1px solid var(--border-subtle);
}
.path-card h3 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--text-primary); margin-bottom: 0.6rem; line-height: 1.2; }
.path-card .path-tagline { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--primary); margin-bottom: 0.9rem; }
.path-card.human .path-tagline { color: var(--secondary); }
.path-card p.path-desc { font-size: 1rem; color: var(--text-muted-light); margin-bottom: 1.25rem; }
.path-action { font-size: 0.95rem; font-weight: 600; color: var(--primary); }
.path-card.human .path-action { color: var(--secondary); }

/* visible CTA buttons on the path cards — make clickability obvious */
.path-cta {
  display: inline-block; margin-top: 1.25rem; cursor: pointer;
  border: none; font-size: 0.95rem; font-weight: 600;
  padding: 0.65em 1.4em; border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.path-cta.earth { background: var(--primary); color: #fff; }
.path-cta.earth:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--primary-soft, rgba(167,139,250,0.35)); }
.path-cta.human { background: transparent; color: var(--secondary); border: 1.5px solid var(--secondary); }
.path-cta.human:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--secondary-glow, rgba(96,165,250,0.3)); }

/* combine hint under the section subtitle */
.path-combine { max-width: 860px; margin: 0 auto 1rem; text-align: center; color: var(--text-secondary); font-size: 1.05rem; }
.path-combine a { color: var(--primary); font-weight: 600; cursor: pointer; }
.path-meter {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
}
.path-meter .meter-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 0.88rem; color: var(--text-muted-light);
}
.path-meter .meter-row:last-child { border-bottom: none; }
.path-meter .meter-row b { color: var(--text-primary); font-weight: 700; }
.path-meter .meter-row .meter-val { font-weight: 700; color: var(--primary); text-align: right; }
.path-card.human .path-meter .meter-val { color: var(--secondary); }
.path-both {
  margin-top: 1.75rem; text-align: center;
  font-size: 0.98rem; color: var(--text-muted-light);
}
.path-both a { color: var(--primary); font-weight: 600; cursor: pointer; }
.path-both a:hover { text-decoration: underline; }

/* --- sAIve flow: 1% + 1% --- */
.saive-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.saive-flow .flow-card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 2.25rem 1.5rem 1.75rem;
  text-align: center;
}
.saive-flow .flow-card .flow-pct {
  font-size: 2.4rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.saive-flow .flow-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin: 0.5rem 0; }
.saive-flow .flow-card p { font-size: 0.88rem; color: var(--text-muted-light); }
.saive-flow .flow-card::after {
  content: "→";
  position: absolute; right: -1.05rem; top: 50%; transform: translateY(-50%);
  font-size: 1.3rem; color: var(--primary); z-index: 2;
}
.saive-flow .flow-card:last-child::after { content: none; }
.saive-note {
  text-align: center; font-size: 1.02rem; color: var(--text-secondary);
  max-width: 760px; margin: 0 auto 1rem;
}
.saive-note b { color: var(--text-primary); }
.split-visual .split-half .big-number.saive-big { color: var(--primary) !important; }

/* --- NGO focus areas --- */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.focus-card {
  background: var(--gradient-card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
}
.focus-card .impact-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.focus-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; }
.focus-card p { font-size: 0.9rem; color: var(--text-muted-light); }

/* --- Detail blocks inside the 50/50 section --- */
#fuenfziger .section-content { margin-bottom: 3rem; }
.detail-head {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--secondary);
  margin-bottom: 0.75rem;
}

/* --- Path detail modal --- */
.path-modal {
  position: fixed; inset: 0; z-index: 10000;
  display: none;
  align-items: center; justify-content: center;
  padding: 2rem 1rem;
}
.path-modal.open { display: flex; }
.path-modal .pm-backdrop {
  position: absolute; inset: 0;
  background: rgba(5, 5, 15, 0.75);
  backdrop-filter: blur(6px);
}
.path-modal .pm-panel {
  position: relative;
  width: min(860px, 95vw);
  max-height: 85vh; overflow-y: auto;
  margin-top: auto; margin-bottom: auto;
  background: var(--bg-dark);
  border: 1px solid var(--primary-border);
  border-radius: 16px;
  padding: 2.5rem 2.25rem;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.6);
}
.path-modal .pm-close {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--card-bg); border: 1px solid var(--card-border);
  color: var(--text-secondary);
  width: 36px; height: 36px; border-radius: 8px;
  font-size: 1rem; cursor: pointer;
}
.path-modal .pm-close:hover { color: var(--text-primary); border-color: var(--primary-border); }
.path-modal .pm-kicker {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 0.5rem;
}
.path-modal h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 700; color: var(--text-primary); margin-bottom: 1rem; }
.path-modal h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin: 1.5rem 0 0.5rem; }
.path-modal p { font-size: 0.98rem; color: var(--text-muted-light); margin-bottom: 0.85rem; }
.path-modal ul { list-style: none; margin: 0.5rem 0 1rem; }
.path-modal ul li {
  position: relative; padding-left: 1.5rem;
  margin-bottom: 0.5rem; font-size: 0.95rem; color: var(--text-muted-light);
}
.path-modal ul li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--primary); font-weight: 700;
}
.path-modal .pm-actions { margin-top: 1.75rem; display: flex; gap: 1rem; flex-wrap: wrap; }
body.pm-lock { overflow: hidden; }

@media (max-width: 900px) {
  .path-card.earth { grid-template-columns: 1fr; }
  .saive-flow .flow-card::after { content: none; }
}

/* ====== Contact form ====== */
.contact-form {
  max-width: 640px; margin: 2.5rem auto 0;
  display: flex; flex-direction: column; gap: 0.9rem;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 1.75rem;
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.cf-input {
  width: 100%; box-sizing: border-box;
  background: var(--bg-primary); color: var(--text-primary);
  border: 1px solid var(--card-border); border-radius: 10px;
  padding: 0.8rem 1rem; font: inherit; font-size: 0.95rem;
  transition: border-color .2s;
}
.cf-input:focus { outline: none; border-color: var(--primary); }
.cf-input::placeholder { color: var(--text-muted-light); }
textarea.cf-input { resize: vertical; min-height: 120px; }
.cf-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cf-privacy { font-size: 0.78rem; color: var(--text-muted-light); line-height: 1.5; }
.cf-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.cf-send { border: none; cursor: pointer; font: inherit; }
.cf-send[disabled] { opacity: .6; cursor: wait; }
/* the submit button also carries .hero-cta (display:inline-block), which
   otherwise overrides the `hidden` attribute — force it hidden on success */
.cf-send[hidden] { display: none; }
.cf-status { font-size: 0.9rem; }
.cf-status.ok { color: var(--primary); }
.cf-status.err { color: #f87171; }
.cf-nojs { font-size: 0.85rem; color: var(--text-muted-light); }
.cf-mailfallback { font-size: 0.85rem; color: var(--text-muted-light); text-align: center; }
.cf-mailfallback a { color: var(--primary); }
@media (max-width: 640px) { .cf-row { grid-template-columns: 1fr; } }

/* ========== SOURCES MODAL ========== */
/* Small "Quellen / Sources" link rendered after cited claims (render.php). */
.cite-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
  margin-left: 0.25rem;
}
.cite-link:hover { border-bottom-color: var(--primary); color: var(--primary); }

body.no-scroll { overflow: hidden; }

.sources-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.sources-modal[hidden] { display: none; }

.sources-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 20, 0.62);
  backdrop-filter: blur(3px);
  animation: srcFade 0.18s ease-out;
}

.sources-modal-box {
  position: relative;
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.1));
  border-radius: 14px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  max-width: 720px;
  width: 100%;
  max-height: min(76vh, 640px);
  overflow-y: auto;
  padding: 1.75rem 1.9rem 1.5rem;
  animation: srcRise 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
}
@keyframes srcFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes srcRise { from { opacity: 0; transform: translateY(14px) scale(0.98); } to { opacity: 1; transform: none; } }

.sources-modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  border: 0;
  background: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--text-muted, #6b7280);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.sources-modal-close:hover { color: var(--primary); background: rgba(0, 0, 0, 0.05); }

.sources-modal-title {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text, #111827);
  padding-right: 2rem;
}

/* Read-more body: plain HTML from content.json (p / h5 / ul > li / hr / a).
 * Same base font size as the footer copyright line (.footer-copy = 0.8rem). */
.sources-modal-body {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text-muted, #4b5563);
}
.sources-modal-body p {
  margin: 0 0 0.75rem;
}
.sources-modal-body h5 {
  margin: 1rem 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text, #111827);
}
.sources-modal-body ul {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}
.sources-modal-body li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border, rgba(0, 0, 0, 0.08));
}
.sources-modal-body li:last-child { border-bottom: 0; }
.sources-modal-body a {
  color: var(--primary);
  text-decoration: none;
  word-break: break-word;
}
.sources-modal-body a:hover { text-decoration: underline; }
.sources-modal-body hr {
  border: 0;
  border-top: 1px solid var(--border, rgba(0, 0, 0, 0.12));
  margin: 1.1rem 0;
}

@media (prefers-reduced-motion: reduce) {
  .sources-modal-backdrop, .sources-modal-box { animation: none; }
}