@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* ==========================================================================
   bxbble: A Movement Beyond Our Bubbles
   Apple Liquid Glass Visual Design System (Performant Layered Optical Glass)
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Google Sans", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-serif: "Newsreader", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  
  /* Apple Liquid Glass Foundation */
  --color-bg: #FBFBFD;               /* Liquid Titanium White */
  --color-surface: #FFFFFF;
  --color-surface-glass: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 254, 0.94) 100%);
  --color-surface-subtle: #F5F5F7;
  --color-surface-dark: #0A0D14;
  
  --color-text-main: #0F172A;        /* Deep Space Obsidian */
  --color-text-muted: #475569;       /* Liquid Slate */
  --color-text-faint: #94A3B8;       /* Muted Chrome */
  
  /* Optical Liquid Glass Chromatic Spectrum (Prismatic Refraction) */
  --color-liquid-cyan: #00E5FF;
  --color-liquid-violet: #8B5CF6;
  --color-liquid-rose: #F43F5E;
  --color-liquid-amber: #F59E0B;
  
  /* Backward-compatible token aliases */
  --color-bubble-cyan: #00E5FF;
  --color-bubble-violet: #8B5CF6;
  --color-bubble-rose: #F43F5E;
  --color-bubble-amber: #F59E0B;
  
  /* Liquid Glass Gradients */
  --gradient-liquid-prism: linear-gradient(135deg, #00E5FF 0%, #8B5CF6 50%, #F43F5E 100%);
  --gradient-liquid-sheen: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(139, 92, 246, 0.08) 50%, rgba(244, 63, 94, 0.06) 100%);
  --gradient-bubble-sheen: var(--gradient-liquid-sheen);
  --gradient-bubble-border: linear-gradient(135deg, rgba(0, 229, 255, 0.45), rgba(139, 92, 246, 0.45), rgba(244, 63, 94, 0.35));
  --gradient-text-iridescent: linear-gradient(135deg, #0F172A 15%, #2563EB 45%, #7C3AED 72%, #F43F5E 98%);
  --gradient-badge-pill: linear-gradient(135deg, #00E5FF, #8B5CF6);
  
  /* Liquid Glass Specular Bevels & Shadows (Zero GPU blur overhead) */
  --border-subtle: rgba(15, 23, 42, 0.07);
  --border-glass: rgba(255, 255, 255, 0.95);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.03), inset 0 1px 0 rgba(255, 255, 255, 1);
  --shadow-liquid-card: 0 0 0 1px rgba(226, 232, 240, 0.7), 0 1px 3px rgba(15, 23, 42, 0.03), 0 16px 36px -4px rgba(15, 23, 42, 0.05), inset 0 1px 0 0 rgba(255, 255, 255, 1);
  --shadow-liquid-hover: 0 0 0 1px rgba(139, 92, 246, 0.35), 0 4px 12px rgba(15, 23, 42, 0.04), 0 24px 52px -6px rgba(139, 92, 246, 0.12), inset 0 1px 0 0 rgba(255, 255, 255, 1);
  --shadow-md: var(--shadow-liquid-card);
  --shadow-lg: 0 24px 64px -8px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(226, 232, 240, 0.8), inset 0 1px 0 rgba(255, 255, 255, 1);
  --shadow-bubble-glow: 0 8px 30px rgba(139, 92, 246, 0.22), 0 2px 6px rgba(0, 229, 255, 0.18);

  /* Geometry */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-full: 9999px;

  /* Layout */
  --container-max: 1140px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);
  
  /* Transitions */
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background: var(--color-bg);
  background-image: 
    radial-gradient(circle at 12% 8%, rgba(0, 229, 255, 0.06) 0%, transparent 42%),
    radial-gradient(circle at 88% 16%, rgba(139, 92, 246, 0.07) 0%, transparent 48%),
    radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 52%),
    radial-gradient(circle at 20% 82%, rgba(37, 99, 235, 0.05) 0%, transparent 46%);
  background-attachment: fixed;
  color: var(--color-text-main);
  line-height: 1.55;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

h1, h2, h3, h4 {
  color: var(--color-text-main);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   Header & Frosted Glass Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 1px 12px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-base);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  outline: none;
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(139, 92, 246, 0.15));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.85rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.4rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-main);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-badge-pill);
  border-radius: 2px;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-text-main);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.12);
  transition: all var(--transition-fast);
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-bubble-glow);
  background: #1E293B;
}

.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  padding: 10px;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section (Apple Keynote Aesthetic)
   ========================================================================== */
.hero-compact {
  padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 255, 0.92));
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 0.42rem 1.05rem;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text-main);
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.08), inset 0 1px 1px #FFFFFF;
  margin-bottom: 1.5rem;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-badge-pill);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
}

.hero-headline {
  font-size: clamp(2.6rem, 6.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 860px;
  margin: 0 auto 1.35rem;
}

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

.hero-lead {
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.88rem 1.95rem;
  border-radius: var(--radius-full);
  font-size: 1.02rem;
  font-weight: 600;
  text-decoration: none;
  color: #FFFFFF !important;
  background: conic-gradient(from var(--angle), #00F0FF, #8B5CF6, #F43F5E, #F59E0B, #00F0FF);
  animation: spinLiquidGlow 4.5s linear infinite;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.28), 0 2px 8px rgba(0, 240, 255, 0.2);
  transition: all var(--transition-fast);
  z-index: 1;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 1.8px;
  background: #0D0F14;
  border-radius: var(--radius-full);
  z-index: -1;
  transition: background var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.45), 0 4px 14px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover::before {
  background: #181C26;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.88rem 1.85rem;
  border-radius: var(--radius-full);
  font-size: 1.02rem;
  font-weight: 600;
  text-decoration: none;
  color: #0F172A !important;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(246, 248, 252, 0.90) 100%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 
    0 0 0 1px rgba(203, 213, 225, 0.8),
    0 2px 6px rgba(15, 23, 42, 0.03),
    0 12px 28px -4px rgba(15, 23, 42, 0.05),
    inset 0 1px 1px #FFFFFF,
    inset 0 -1px 1px rgba(0, 0, 0, 0.03);
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: #FFFFFF;
  color: #0F172A !important;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 
    0 0 0 1px rgba(139, 92, 246, 0.45),
    0 4px 12px rgba(15, 23, 42, 0.05),
    0 20px 40px -6px rgba(139, 92, 246, 0.18),
    inset 0 1px 1px #FFFFFF;
}

.btn-secondary:active {
  transform: translateY(0) scale(0.98);
}

/* Hero Media Card */
.hero-media-wrapper {
  max-width: 980px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: #FFFFFF;
  position: relative;
}

.hero-media-wrapper img {
  width: 100%;
  height: clamp(260px, 46vw, 480px);
  object-fit: cover;
}

/* ==========================================================================
   Problem Cards (Visual, 3-Card Grid, Ultra-Concise)
   ========================================================================== */
.section-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bubble-violet);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.problem-grid-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-mini-card {
  background: var(--color-surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-liquid-card);
  transition: all var(--transition-base);
}

.problem-mini-card:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-md);
}

.mini-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(139, 92, 246, 0.12));
  color: var(--color-bubble-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.problem-mini-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.problem-mini-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Initiatives Preview Grid (Home Page)
   ========================================================================== */
.initiatives-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.initiative-preview-card {
  background: var(--color-surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-liquid-card);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.initiative-preview-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.35);
  box-shadow: var(--shadow-md);
}

.initiative-card-media {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--color-surface-subtle);
}

.initiative-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.initiative-preview-card:hover .initiative-card-media img {
  transform: scale(1.03);
}

.initiative-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.initiative-tag {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-bubble-violet);
  margin-bottom: 0.5rem;
}

.initiative-card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.initiative-card-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.card-link:hover {
  color: var(--color-bubble-violet);
  gap: 0.55rem;
}

/* ==========================================================================
   Dedicated Pages Styles: Initiatives, Chapters, Join
   ========================================================================== */
.page-header {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
  text-align: center;
}

.page-header h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
}

.page-header p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Detailed Feature Showcase (Initiatives Page) */
.feature-showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
}

.feature-showcase-row.reverse {
  direction: rtl;
}

.feature-showcase-row.reverse > * {
  direction: ltr;
}

.feature-media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: #FFFFFF;
}

.feature-media-frame img {
  width: 100%;
  height: clamp(280px, 35vw, 400px);
  object-fit: cover;
}

.feature-content h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.3rem);
  margin-bottom: 1rem;
}

.feature-content p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.feature-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.98rem;
  color: var(--color-text-main);
}

.feature-bullets li svg {
  width: 18px;
  height: 18px;
  color: var(--color-bubble-violet);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Chapters Showcase Grid */
.chapters-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.chapter-showcase-card {
  background: var(--color-surface-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-liquid-card);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.chapter-showcase-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.35);
  box-shadow: var(--shadow-md);
}

.chapter-card-photo {
  width: 100%;
  height: 240px;
  overflow: hidden;
  position: relative;
}

.chapter-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.chapter-card-photo .chapter-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.9);
  color: #FFFFFF;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.chapter-showcase-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.chapter-showcase-body h2 {
  font-size: 1.65rem;
  margin-bottom: 0.5rem;
}

.chapter-showcase-body p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* ==========================================================================
   Dedicated Join Page (Mobile Ergonomic Form)
   ========================================================================== */
.join-container {
  max-width: 680px;
  margin: 0 auto 5rem;
}

.join-form-card {
  background: var(--color-surface-glass);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 3rem);
  box-shadow: var(--shadow-liquid-card);
}

/* ==========================================================================
   Upgraded Liquid Glass Form System (High-Affordance Interactive UX)
   ========================================================================== */
.form-section {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--color-text-main);
}

.sub-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}

/* Chip Group (City Chapter Selection) */
.chip-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.chip-item {
  cursor: pointer;
  position: relative;
}

.chip-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chip-card {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03), inset 0 1px 0 #FFFFFF;
  transition: all var(--transition-fast);
}

.chip-item:hover .chip-card {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(139, 92, 246, 0.12), inset 0 1px 0 #FFFFFF;
}

.chip-item input[type="radio"]:checked + .chip-card {
  border-color: #8B5CF6;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.09) 0%, rgba(0, 229, 255, 0.05) 100%);
  box-shadow: 0 0 0 2px #8B5CF6, 0 8px 24px rgba(139, 92, 246, 0.16), inset 0 1px 0 #FFFFFF;
}

.chip-flag {
  font-size: 1.4rem;
  line-height: 1;
}

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

.chip-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.chip-state {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip-item input[type="radio"]:checked + .chip-card .chip-state {
  color: #7C3AED;
}

/* Role Selection Grid */
.role-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.role-card-item {
  cursor: pointer;
  position: relative;
}

.role-card-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.role-card-box {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03), inset 0 1px 0 #FFFFFF;
  transition: all var(--transition-fast);
  height: 100%;
}

.role-card-item:hover .role-card-box {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.12), inset 0 1px 0 #FFFFFF;
}

.role-card-item input[type="radio"]:checked + .role-card-box {
  border-color: #8B5CF6;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(0, 229, 255, 0.04) 100%);
  box-shadow: 0 0 0 2px #8B5CF6, 0 8px 24px rgba(139, 92, 246, 0.15), inset 0 1px 0 #FFFFFF;
}

.role-icon {
  font-size: 1.5rem;
  margin-bottom: 0.65rem;
}

.role-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.35rem;
}

.role-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Form Inputs */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.9rem 1.15rem;
  background: #FFFFFF;
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--color-text-main);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #8B5CF6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2), inset 0 1px 2px rgba(15, 23, 42, 0.03);
}

.form-input.has-error {
  border-color: #F43F5E;
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.15);
}

.field-error {
  display: block;
  font-size: 0.82rem;
  color: #E11D48;
  font-weight: 600;
  margin-top: 0.35rem;
  min-height: 1.2em;
}

.form-textarea {
  resize: vertical;
  min-height: 95px;
  line-height: 1.5;
}

.form-privacy-note {
  font-size: 0.82rem;
  color: var(--color-text-faint);
  margin-top: 1.25rem;
  text-align: center;
  line-height: 1.5;
}

.form-privacy-note a {
  color: var(--color-text-main);
  text-decoration: underline;
  font-weight: 600;
}

/* Success View Card */
.form-success-view {
  text-align: center;
  padding: 1rem 0.5rem;
  animation: fadeInSuccess 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInSuccess {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.success-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, #00E5FF 0%, #8B5CF6 50%, #EC4899 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
}

.success-heading {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--color-text-main);
  margin-bottom: 0.85rem;
}

.success-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.success-next-steps {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(226, 232, 240, 0.85);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  max-width: 520px;
  margin: 0 auto 2rem;
  text-align: left;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}

.success-next-steps h4 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-liquid-violet);
  margin-bottom: 1rem;
}

.success-next-steps ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.success-next-steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(139, 92, 246, 0.2));
  color: var(--color-liquid-violet);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.success-actions {
  max-width: 520px;
  margin: 0 auto;
}

/* ==========================================================================
   Global Footer
   ========================================================================== */
.site-footer {
  background: var(--color-surface-dark);
  color: #FFFFFF;
  padding: 4rem 0 2.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.92rem;
  margin-top: 0.85rem;
  max-width: 300px;
}

.footer-col h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-bubble-cyan);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.92rem;
  color: #CBD5E1;
}

.footer-col a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: #94A3B8;
}

/* ==========================================================================
   Mobile Ergonomics & Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .problem-grid-compact,
  .initiatives-preview-grid,
  .chapters-showcase-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .feature-showcase-row,
  .feature-showcase-row.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .chip-group {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .role-grid {
    grid-template-columns: 1fr;
  }

  .mobile-nav-toggle {
    display: flex;
  }
  
  .site-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(250, 249, 247, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem var(--container-pad) 2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    z-index: 99;
  }
  
  .site-nav.is-open {
    transform: translateY(0);
  }
  
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }
  
  .nav-links a {
    font-size: 1.15rem;
    display: block;
    width: 100%;
    padding: 0.6rem 0;
  }
  
  .nav-cta-btn {
    justify-content: center;
    padding: 0.85rem;
    font-size: 1rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@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;
  }
}


/* ==========================================================================
   Ambient Liquid Glass Floating Orbs (Apple Keynote Fluid Backdrop)
   ========================================================================== */
.ambient-liquid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.liquid-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
  will-change: transform;
}

.orb-1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #00E5FF 0%, #3B82F6 70%, transparent 100%);
  top: -15%;
  left: 8%;
  animation: floatOrb1 18s ease-in-out infinite alternate;
}

.orb-2 {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, #C084FC 0%, #8B5CF6 70%, transparent 100%);
  bottom: -20%;
  right: 5%;
  animation: floatOrb2 22s ease-in-out infinite alternate;
}

.orb-3 {
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, #FB7185 0%, #F43F5E 70%, transparent 100%);
  top: 36%;
  right: 18%;
  animation: floatOrb3 20s ease-in-out infinite alternate;
}

@keyframes floatOrb1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(45px, 60px) scale(1.1); }
}

@keyframes floatOrb2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-50px, -45px) scale(1.12); }
}

@keyframes floatOrb3 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-35px, 45px) scale(0.92); }
}

@keyframes spinLiquidGlow {
  to {
    --angle: 360deg;
  }
}


.liquid-gradient-text {
  background: linear-gradient(135deg, #00A3FF 0%, #8B5CF6 45%, #EC4899 80%, #F59E0B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}


/* Bottom CTA Liquid Glass Card (Apple Promotional Finale) */
.bottom-cta-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  text-align: center;
}

.bottom-liquid-glass-card {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, #0D0F14 0%, #161A24 100%);
  border-radius: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 30px 80px -15px rgba(15, 23, 42, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 1px 1px 0 rgba(255, 255, 255, 0.25);
  overflow: hidden;
  color: #FFFFFF;
}

.card-inner-liquid-glow {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.45), transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.bottom-cta-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1.1rem;
  letter-spacing: -0.03em;
}

.bottom-cta-desc {
  color: #CBD5E1;
  font-size: 1.15rem;
  max-width: 540px;
  margin: 0 auto 2.2rem;
  line-height: 1.6;
}


/* Apple Liquid Glass Prismatic Top Bevel Highlights */
.problem-mini-card,
.initiative-preview-card,
.chapter-showcase-card,
.join-form-card,
.hero-media-wrapper {
  position: relative;
}

.problem-mini-card::before,
.initiative-preview-card::before,
.chapter-showcase-card::before,
.join-form-card::before,
.hero-media-wrapper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 5%, rgba(0, 229, 255, 0.6) 25%, rgba(139, 92, 246, 0.75) 50%, rgba(244, 63, 94, 0.6) 75%, transparent 95%);
  z-index: 3;
  opacity: 0.75;
  transition: opacity var(--transition-base);
}

.problem-mini-card:hover::before,
.initiative-preview-card:hover::before,
.chapter-showcase-card:hover::before {
  opacity: 1;
}