/* ============================================================
   AIRANDD — Premium Design System
   Deep blue + purple gradient + gold accents
   Font: Inter / Poppins | WCAG 2.1 AA compliant
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Brand palette */
  --c-navy:        #050816;
  --c-blue:        #0f1b61;
  --c-blue-mid:    #1a2980;
  --c-indigo:      #2d4de0;
  --c-purple:      #7c3aed;
  --c-purple-light:#a78bfa;
  --c-gold:        #f59e0b;
  --c-gold-light:  #fbbf24;
  --c-gold-pale:   #fef3c7;

  /* Neutrals */
  --c-white:       #ffffff;
  --c-gray-50:     #f8fafc;
  --c-gray-100:    #f1f5f9;
  --c-gray-200:    #e2e8f0;
  --c-gray-300:    #cbd5e1;
  --c-gray-400:    #94a3b8;
  --c-gray-500:    #64748b;
  --c-gray-600:    #475569;
  --c-gray-700:    #334155;
  --c-gray-800:    #1e293b;
  --c-gray-900:    #0f172a;

  /* Semantic */
  --c-success:     #10b981;
  --c-warning:     #f59e0b;
  --c-danger:      #ef4444;
  --c-info:        #3b82f6;

  /* Gradients */
  --grad-hero:     linear-gradient(135deg, #050816 0%, #0f1b61 30%, #1a2980 60%, #7c3aed 100%);
  --grad-card:     linear-gradient(135deg, rgba(124,58,237,0.08) 0%, rgba(45,77,224,0.08) 100%);
  --grad-gold:     linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --grad-btn:      linear-gradient(135deg, #7c3aed 0%, #2d4de0 100%);
  --grad-glass:    linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.04) 100%);

  /* Typography */
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display:  'Poppins', 'Inter', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-xl:   32px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.14), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl:  0 20px 60px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.10);
  --shadow-glow: 0 0 40px rgba(108,63,197,0.35);
  --shadow-gold: 0 4px 20px rgba(245,158,11,0.40);

  /* Transitions */
  --t-fast:   0.15s ease;
  --t-base:   0.25s ease;
  --t-slow:   0.4s ease;

  /* Layout */
  --container: 1280px;
  --header-h:  72px;
}

/* ── Dark mode overrides ── */
[data-theme="dark"] {
  --c-white:    #0f172a;
  --c-gray-50:  #1e293b;
  --c-gray-100: #334155;
  --c-gray-200: #475569;
  --c-gray-700: #cbd5e1;
  --c-gray-800: #e2e8f0;
  --c-gray-900: #f8fafc;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-gray-800);
  background: var(--c-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ── Screen reader only ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

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

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ── Footer brand text ── */
.footer-brand-name { text-decoration: none; display: inline-block; }
.footer-brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: -0.02em;
}
.footer-brand-text span { color: var(--c-gold); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-gray-900);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--r-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}
.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 3px;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.45);
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(124,58,237,0.6);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--grad-gold);
  color: #050816 !important;
  box-shadow: 0 4px 20px rgba(245,158,11,0.45);
}
.btn-gold:hover {
  box-shadow: 0 8px 32px rgba(245,158,11,0.6);
  transform: translateY(-2px);
  color: #050816 !important;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.8);
}

.btn-ghost {
  background: transparent;
  color: var(--c-purple);
  border-color: var(--c-purple);
}
.btn-ghost:hover {
  background: var(--c-purple);
  color: #fff !important;
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1.0625rem; }
.btn-xl { padding: 1.125rem 3rem; font-size: 1.125rem; }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-purple { background: rgba(108,63,197,0.12); color: var(--c-purple); }
.badge-gold   { background: var(--c-gold-pale); color: #92400e; }
.badge-green  { background: #d1fae5; color: #065f46; }
.badge-blue   { background: #dbeafe; color: #1e40af; }
.badge-red    { background: #fee2e2; color: #991b1b; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--t-base), box-shadow var(--t-base);
}
.site-header.transparent {
  background: linear-gradient(180deg, var(--hdr-bg1, #050816) 0%, var(--hdr-bg2, #0f1b61) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0.92;
}
.site-header.solid-bg {
  background: linear-gradient(135deg, var(--hdr-bg1, #050816) 0%, var(--hdr-bg2, #0f1b61) 100%);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.site-header.scrolled {
  background: linear-gradient(135deg, var(--hdr-bg1, #050816) 0%, var(--hdr-bg2, #0f1b61) 100%);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  opacity: 1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1.5rem;
}

/* Logo */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo img {
  height: 32px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
.site-logo-icon {
  width: 32px; height: 32px;
  background: var(--grad-btn);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 3px 10px rgba(124,58,237,0.4);
  line-height: 1;
}
.site-logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}
.site-logo-text span { color: var(--c-gold); }

/* Nav */
.primary-nav { display: flex; align-items: center; gap: 0.125rem; }
.nav-link {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* Header buttons — always visible */
.header-cta { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.header-btn {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--r-full);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--t-fast);
  border: 1.5px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.header-btn-primary {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: 0 3px 12px rgba(124,58,237,0.4);
}
.header-btn-primary:hover { box-shadow: 0 5px 20px rgba(124,58,237,0.6); transform: translateY(-1px); }
.header-btn-gold {
  background: var(--grad-gold);
  color: #050816 !important;
  font-weight: 700;
  box-shadow: 0 3px 12px rgba(245,158,11,0.4);
}
.header-btn-gold:hover { box-shadow: 0 5px 20px rgba(245,158,11,0.6); transform: translateY(-1px); color: #050816 !important; }
.header-btn-outline {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.header-btn-outline:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); }
.header-btn-ghost {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.2);
  padding: 0.5rem 0.625rem;
  font-size: 1rem;
}
.header-btn-ghost:hover { background: rgba(255,255,255,0.15); }
.header-badge {
  position: absolute;
  top: -4px; right: -4px;
  background: var(--c-gold);
  color: #050816;
  width: 16px; height: 16px;
  border-radius: 50%;
  font-size: 0.625rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 10px 9px;
  cursor: pointer;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.menu-toggle:hover { background: rgba(255,255,255,0.2); }
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: #fff;
  border-radius: var(--r-full);
  transition: all 0.3s ease;
  transform-origin: center;
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO SECTION — WOW Effect
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--grad-hero);
  padding-top: var(--header-h);
}

/* Animated gradient orbs */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,63,197,0.6) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,35,126,0.8) 0%, transparent 70%);
  bottom: -150px; left: -100px;
  animation-delay: -3s;
}
.hero-orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.25) 0%, transparent 70%);
  top: 30%; left: 40%;
  animation-delay: -6s;
}
.hero-orb-4 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  bottom: 10%; right: 20%;
  animation-delay: -4s;
}

/* Floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 80% 50%, rgba(255,255,255,0.2), transparent),
    radial-gradient(2px 2px at 10% 80%, rgba(245,158,11,0.3), transparent),
    radial-gradient(1px 1px at 90% 10%, rgba(124,58,237,0.4), transparent),
    radial-gradient(1px 1px at 50% 90%, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 70% 40%, rgba(245,158,11,0.2), transparent);
  background-size: 100% 100%;
  animation: particleDrift 20s linear infinite;
}
@keyframes particleDrift {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-20px); }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Glassmorphism card overlay */
.hero-glass {
  position: absolute;
  top: 15%; right: 5%;
  width: 320px;
  background: var(--grad-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-xl);
  padding: 1.5rem;
  animation: glassFloat 6s ease-in-out infinite;
  display: none;
}
@media (min-width: 1100px) { .hero-glass { display: block; } }

@keyframes glassFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

.hero-glass-stat {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.hero-glass-stat:last-child { border-bottom: none; }
.hero-glass-icon {
  width: 40px; height: 40px;
  background: rgba(245,158,11,0.2);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.hero-glass-label { font-size: 0.75rem; color: rgba(255,255,255,0.6); }
.hero-glass-value { font-size: 1.125rem; font-weight: 700; color: #fff; }

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--c-gold-light);
  padding: 0.375rem 1rem;
  border-radius: var(--r-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease both;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--c-gold);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.hero-title .highlight {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 580px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 0.6s 0.3s ease both;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
}
.hero-trust-icon { color: var(--c-gold); font-size: 1rem; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  animation: fadeIn 1s 1s ease both;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   SECTION LAYOUTS
   ============================================================ */
.section {
  padding: var(--space-4xl) 0;
}
.section-sm { padding: var(--space-3xl) 0; }
.section-lg { padding: 7rem 0; }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-3xl);
}
.section-eyebrow {
  display: inline-block;
  color: var(--c-purple);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  margin-bottom: 1rem;
  color: var(--c-gray-900);
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--c-gray-500);
  line-height: 1.7;
}

/* Divider */
.section-divider {
  width: 60px; height: 4px;
  background: var(--grad-btn);
  border-radius: var(--r-full);
  margin: 1rem auto 0;
}

/* ── Stats bar ── */
.stats-bar {
  background: var(--c-navy);
  padding: 2.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat-item {}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-number span { color: var(--c-gold); }
.stat-label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
}

/* ── How it works ── */
.how-it-works { background: var(--c-gray-50); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-purple), var(--c-gold));
  opacity: 0.2;
}
.step-card {
  background: var(--c-white);
  border-radius: var(--r-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-gray-100);
  transition: all var(--t-base);
  position: relative;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108,63,197,0.2);
}
.step-number {
  width: 56px; height: 56px;
  background: var(--grad-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 16px rgba(108,63,197,0.35);
}
.step-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 0.5rem;
}
.step-desc {
  font-size: 0.9375rem;
  color: var(--c-gray-500);
  line-height: 1.6;
}

/* ── Features grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-100);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(108,63,197,0.15);
}
.feature-icon {
  width: 52px; height: 52px;
  background: var(--grad-card);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(108,63,197,0.15);
}
.feature-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 0.5rem;
}
.feature-desc {
  font-size: 0.9375rem;
  color: var(--c-gray-500);
  line-height: 1.6;
}

/* ── Expert cards ── */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.expert-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-100);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
  position: relative;
}
.expert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(108,63,197,0.2);
}
.expert-card-top {
  background: var(--grad-hero);
  padding: 1.5rem;
  text-align: center;
  position: relative;
}
.expert-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.3);
  margin: 0 auto 0.75rem;
  object-fit: cover;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: rgba(255,255,255,0.7);
  overflow: hidden;
}
.expert-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.25rem;
}
.expert-title {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.65);
}
.expert-card-body { padding: 1.25rem; }
.expert-rating {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 0.75rem;
}
.expert-stars { color: var(--c-gold); font-size: 0.875rem; }
.expert-rating-count { font-size: 0.8125rem; color: var(--c-gray-500); }
.expert-bio {
  font-size: 0.875rem;
  color: var(--c-gray-600);
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.expert-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--c-gray-100);
}
.expert-rate {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-purple);
}
.expert-rate span { font-size: 0.75rem; font-weight: 400; color: var(--c-gray-400); }

/* ── Testimonials ── */
.testimonials { background: var(--c-navy); overflow: hidden; }
.testimonials .section-title { color: #fff; }
.testimonials .section-subtitle { color: rgba(255,255,255,0.6); }
.testimonials .section-eyebrow { color: var(--c-gold-light); }

.testimonials-slider {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 1rem;
  cursor: grab;
}
.testimonials-slider::-webkit-scrollbar { display: none; }
.testimonials-slider.grabbing { cursor: grabbing; }

.testimonial-card {
  flex: 0 0 360px;
  scroll-snap-align: start;
  background: var(--grad-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  padding: 2rem;
}
.testimonial-stars { color: var(--c-gold); font-size: 1rem; margin-bottom: 1rem; }
.testimonial-text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 600; color: #fff; font-size: 0.9375rem; }
.testimonial-role { font-size: 0.8125rem; color: rgba(255,255,255,0.5); }

/* Slider dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  border: none;
  cursor: pointer;
  transition: all var(--t-fast);
}
.slider-dot.active {
  background: var(--c-gold);
  width: 24px;
  border-radius: var(--r-full);
}

/* ── Trust badges ── */
.trust-section { background: var(--c-gray-50); }
.trust-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-lg);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--t-base);
}
.trust-badge:hover {
  border-color: rgba(108,63,197,0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.trust-badge-icon { font-size: 1.75rem; }
.trust-badge-text { font-size: 0.875rem; font-weight: 600; color: var(--c-gray-700); }

/* ── CTA section ── */
.cta-section {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-section .hero-orb { opacity: 0.3; }
.cta-section .container { position: relative; z-index: 2; }
.cta-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
}
.cta-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 2.5rem;
  max-width: 560px;
  margin-inline: auto;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: linear-gradient(180deg, #050816 0%, #0a0f2e 100%);
  color: rgba(255,255,255,0.65);
  padding: 4rem 0 0;
  border-top: 1px solid rgba(124,58,237,0.2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {}
.footer-logo { margin-bottom: 1rem; }
.footer-tagline {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,0.55);
}
.footer-social {
  display: flex;
  gap: 0.75rem;
}
.footer-social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  transition: all var(--t-fast);
  text-decoration: none;
}
.footer-social-link:hover {
  background: var(--c-purple);
  border-color: var(--c-purple);
  color: #fff;
}
.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-link {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
  text-decoration: none;
}
.footer-link:hover { color: var(--c-gold-light); }

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}
.footer-legal {
  display: flex;
  gap: 1.5rem;
}
.footer-legal a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--t-fast);
}
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--grad-hero);
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero .hero-bg { opacity: 0.5; }
.page-hero-content { position: relative; z-index: 2; }
.page-hero-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 0.75rem;
}
.page-hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin-inline: auto;
}
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-gold-light); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }

/* ============================================================
   CONTENT AREA
   ============================================================ */
.content-area {
  padding: var(--space-3xl) 0;
}
.entry-content {
  max-width: 800px;
  margin: 0 auto;
}
.entry-content h2 { margin: 2rem 0 1rem; }
.entry-content h3 { margin: 1.5rem 0 0.75rem; }
.entry-content p  { margin-bottom: 1.25rem; color: var(--c-gray-600); }
.entry-content ul, .entry-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--c-gray-600);
}
.entry-content li { margin-bottom: 0.5rem; }
.entry-content a { color: var(--c-purple); text-decoration: underline; }
.entry-content a:hover { color: var(--c-purple-light); }

/* ============================================================
   SKELETON LOADING
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--c-gray-100) 25%, var(--c-gray-200) 50%, var(--c-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--r-sm);
}
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-100);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  overflow: hidden;
}
.skeleton-avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 1rem; }
.skeleton-line { height: 14px; margin-bottom: 0.75rem; }
.skeleton-line-sm { height: 12px; width: 60%; }
.skeleton-line-lg { height: 18px; }

/* ============================================================
   PLUGIN OVERRIDES — aiab-* classes premium reskin
   ============================================================ */

/* Override plugin CSS variables */
:root {
  --aiab-primary:      #6c3fc5;
  --aiab-primary-dark: #5b32a8;
  --aiab-success:      #10b981;
  --aiab-danger:       #ef4444;
  --aiab-warning:      #f59e0b;
  --aiab-gray-50:      #f8fafc;
  --aiab-gray-100:     #f1f5f9;
  --aiab-gray-200:     #e2e8f0;
  --aiab-gray-700:     #334155;
  --aiab-radius:       12px;
  --aiab-shadow:       0 4px 16px rgba(0,0,0,0.08);
}

/* Wrap */
.aiab-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  font-family: var(--font-sans);
}

/* Buttons */
.aiab-btn {
  font-family: var(--font-display);
  border-radius: var(--r-full);
  font-weight: 600;
  transition: all var(--t-base);
  letter-spacing: 0.01em;
}
.aiab-btn-primary {
  background: var(--grad-btn);
  box-shadow: 0 4px 16px rgba(108,63,197,0.35);
}
.aiab-btn-primary:hover {
  box-shadow: 0 6px 24px rgba(108,63,197,0.5);
  transform: translateY(-2px);
}
.aiab-btn-secondary {
  background: var(--c-gray-100);
  color: var(--c-gray-700);
  border: 1px solid var(--c-gray-200);
}
.aiab-btn-secondary:hover {
  background: var(--c-gray-200);
  transform: translateY(-1px);
}
.aiab-btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 12px rgba(239,68,68,0.3);
}

/* Form inputs */
.aiab-form-group input,
.aiab-form-group select,
.aiab-form-group textarea {
  border-radius: var(--r-md);
  border: 1.5px solid var(--c-gray-200);
  font-family: var(--font-sans);
  transition: all var(--t-fast);
  background: var(--c-white);
}
.aiab-form-group input:focus,
.aiab-form-group select:focus,
.aiab-form-group textarea:focus {
  border-color: var(--c-purple);
  box-shadow: 0 0 0 3px rgba(108,63,197,0.12);
  outline: none;
}
.aiab-form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--c-gray-700);
  font-size: 0.875rem;
}

/* Badges */
.aiab-badge {
  font-family: var(--font-display);
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.aiab-badge-pending   { background: #fef3c7; color: #92400e; }
.aiab-badge-approved,
.aiab-badge-confirmed { background: #dbeafe; color: #1e40af; }
.aiab-badge-completed { background: #d1fae5; color: #065f46; }
.aiab-badge-cancelled,
.aiab-badge-rejected  { background: #fee2e2; color: #991b1b; }
.aiab-badge-paid      { background: #d1fae5; color: #065f46; }

/* Professionals grid */
.aiab-professionals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.aiab-pro-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--c-gray-100);
  transition: all var(--t-base);
  background: var(--c-white);
}
.aiab-pro-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(108,63,197,0.2);
}
.aiab-pro-card-inner { padding: 1.5rem; }
.aiab-pro-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 3px solid rgba(108,63,197,0.2);
  background: var(--grad-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #fff;
  font-weight: 700;
}
.aiab-pro-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* Dashboard */
.aiab-pro-dashboard {
  background: var(--c-gray-50);
  min-height: 80vh;
  padding: 2rem 1.5rem;
}
.aiab-dashboard-header {
  background: var(--grad-hero);
  border-radius: var(--r-xl);
  padding: 2rem;
  margin-bottom: 2rem;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.aiab-dashboard-header::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.aiab-dashboard-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--c-white);
  border-radius: var(--r-lg);
  padding: 0.375rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  scrollbar-width: none;
}
.aiab-dashboard-tabs::-webkit-scrollbar { display: none; }
.aiab-tab-btn {
  padding: 0.625rem 1.25rem;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-gray-500);
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast);
  font-family: var(--font-display);
}
.aiab-tab-btn:hover { color: var(--c-purple); background: rgba(108,63,197,0.06); }
.aiab-tab-btn.active {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: 0 2px 8px rgba(108,63,197,0.3);
}
.aiab-tab-pane { display: none; }
.aiab-tab-pane.active { display: block; }

/* Booking form */
.aiab-booking-wrap {
  background: var(--c-white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Notices */
.aiab-notice {
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
}

/* Register card */
.aiab-register-card {
  background: var(--c-white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  padding: 2.5rem;
  max-width: 600px;
  margin: 0 auto;
  border: 1px solid var(--c-gray-100);
}
.aiab-register-header {
  text-align: center;
  margin-bottom: 2rem;
}
.aiab-register-header h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--c-gray-900);
  margin-bottom: 0.5rem;
}
.aiab-register-header p { color: var(--c-gray-500); }

/* Appointment cards */
.aiab-appointment-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-100);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all var(--t-base);
  box-shadow: var(--shadow-sm);
}
.aiab-appointment-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(108,63,197,0.15);
}

/* Balance card */
.aiab-balance-card {
  background: var(--grad-btn);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-glow);
}

/* ============================================================
   MESSAGING SYSTEM
   ============================================================ */
.airandd-messages {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - var(--header-h) - 4rem);
  background: var(--c-white);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--c-gray-100);
}
.msg-sidebar {
  border-right: 1px solid var(--c-gray-100);
  display: flex;
  flex-direction: column;
  background: var(--c-gray-50);
}
.msg-sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--c-gray-100);
  background: var(--c-white);
}
.msg-sidebar-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 0.75rem;
}
.msg-search {
  position: relative;
}
.msg-search input {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  border: 1.5px solid var(--c-gray-200);
  border-radius: var(--r-full);
  font-size: 0.875rem;
  background: var(--c-white);
  transition: all var(--t-fast);
}
.msg-search input:focus {
  border-color: var(--c-purple);
  outline: none;
  box-shadow: 0 0 0 3px rgba(108,63,197,0.1);
}
.msg-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-gray-400);
  font-size: 0.875rem;
}
.msg-conversations { flex: 1; overflow-y: auto; }
.msg-conv-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: background var(--t-fast);
  border-bottom: 1px solid var(--c-gray-100);
  position: relative;
}
.msg-conv-item:hover { background: var(--c-white); }
.msg-conv-item.active { background: var(--c-white); border-left: 3px solid var(--c-purple); }
.msg-conv-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
}
.msg-conv-avatar img { width: 100%; height: 100%; object-fit: cover; }
.msg-conv-info { flex: 1; min-width: 0; }
.msg-conv-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--c-gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-conv-preview {
  font-size: 0.8125rem;
  color: var(--c-gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-conv-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  flex-shrink: 0;
}
.msg-conv-time { font-size: 0.75rem; color: var(--c-gray-400); }
.msg-unread-badge {
  background: var(--c-purple);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat area */
.msg-chat {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
}
.msg-chat-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--c-gray-100);
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--c-white);
}
.msg-chat-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-gray-900);
}
.msg-chat-status { font-size: 0.8125rem; color: var(--c-success); }
.msg-chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--c-gray-50);
}
.msg-bubble-wrap {
  display: flex;
  gap: 0.75rem;
  max-width: 75%;
}
.msg-bubble-wrap.sent {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.msg-bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--r-lg);
  font-size: 0.9375rem;
  line-height: 1.5;
  max-width: 100%;
  word-break: break-word;
}
.msg-bubble-wrap.received .msg-bubble {
  background: var(--c-white);
  color: var(--c-gray-800);
  border: 1px solid var(--c-gray-100);
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.msg-bubble-wrap.sent .msg-bubble {
  background: var(--grad-btn);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-bubble-time {
  font-size: 0.6875rem;
  color: var(--c-gray-400);
  margin-top: 0.25rem;
  text-align: right;
}
.msg-bubble-wrap.sent .msg-bubble-time { color: rgba(255,255,255,0.6); }

.msg-chat-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--c-gray-100);
  background: var(--c-white);
}
.msg-input-wrap {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}
.msg-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--c-gray-200);
  border-radius: var(--r-lg);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  resize: none;
  max-height: 120px;
  transition: all var(--t-fast);
  line-height: 1.5;
}
.msg-input:focus {
  border-color: var(--c-purple);
  outline: none;
  box-shadow: 0 0 0 3px rgba(108,63,197,0.1);
}
.msg-send-btn {
  width: 44px; height: 44px;
  background: var(--grad-btn);
  border: none;
  border-radius: var(--r-full);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--t-fast);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(108,63,197,0.35);
}
.msg-send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(108,63,197,0.5);
}
.msg-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-gray-400);
  gap: 1rem;
}
.msg-empty-icon { font-size: 3rem; opacity: 0.4; }
.msg-empty-text { font-size: 0.9375rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .primary-nav { display: none; }
  .header-cta .header-btn-gold { display: none; }
  .menu-toggle { display: flex !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .airandd-messages { grid-template-columns: 280px 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .header-cta .header-btn-outline { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .airandd-messages { grid-template-columns: 1fr; }
  .msg-sidebar { display: none; }
  .msg-sidebar.show { display: flex; position: fixed; inset: 0; z-index: 100; }
  .steps-grid::before { display: none; }
  .testimonial-card { flex: 0 0 300px; }
  .site-logo-text { font-size: 1.0625rem; }
  .site-logo-icon { width: 28px; height: 28px; font-size: 0.875rem; }
  .site-logo img { height: 26px; }
}

@media (max-width: 480px) {
  .container { padding-inline: 1rem; }
  .section { padding: 3rem 0; }
  .hero { min-height: auto; padding: calc(var(--header-h) + 2rem) 0 3rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .aiab-register-card { padding: 1.5rem; }
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5,8,22,0.98);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: opacity 0.3s ease;
  opacity: 0;
  pointer-events: none;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.mobile-nav .nav-link {
  font-size: 1.375rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  padding: 0.75rem 2rem;
  border-radius: 8px;
  transition: all 0.15s;
}
.mobile-nav .nav-link:hover { color: var(--c-gold-light); background: rgba(255,255,255,0.05); }
.mobile-nav-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.2); }

/* ── Micro-interactions ── */
.hover-lift { transition: transform var(--t-base), box-shadow var(--t-base); }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ── Scroll animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Sticky header ── */
.sticky-header { position: sticky; top: 0; z-index: 100; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }
.mt-auto     { margin-top: auto; }
.mb-0        { margin-bottom: 0; }
.w-full      { width: 100%; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1       { gap: 0.5rem; }
.gap-2       { gap: 1rem; }
.gap-3       { gap: 1.5rem; }
.hidden      { display: none; }


/* ============================================================
   FLOATING CHAT WIDGET
   ============================================================ */
.airandd-chat-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  background: var(--grad-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(124,58,237,0.45);
  transition: all 0.2s;
  border: none;
}
.airandd-chat-fab:hover { transform: scale(1.08); box-shadow: 0 8px 32px rgba(124,58,237,0.6); }
.airandd-chat-fab .chat-badge {
  position: absolute;
  top: -2px; right: -2px;
  background: #ef4444;
  color: #fff;
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 0.6875rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}
.airandd-chat-panel {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 901;
  width: 360px;
  max-width: calc(100vw - 2rem);
  height: 480px;
  max-height: calc(100vh - 8rem);
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  border: 1px solid #e2e8f0;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.airandd-chat-panel.open { display: flex; }
.airandd-chat-panel-header {
  background: linear-gradient(135deg, #050816, #7c3aed);
  color: #fff;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.airandd-chat-panel-header h4 { margin: 0; font-size: 0.9375rem; font-weight: 700; }
.airandd-chat-panel-close {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.airandd-chat-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}
.airandd-chat-panel-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}
@media (max-width: 480px) {
  .airandd-chat-panel { width: calc(100vw - 1rem); right: 0.5rem; bottom: 5rem; height: 400px; }
  .airandd-chat-fab { bottom: 1rem; right: 1rem; width: 50px; height: 50px; font-size: 1.25rem; }
}


/* ============================================================
   FLOATING CHAT FAB & PANEL
   ============================================================ */
.airandd-chat-fab {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--grad-btn);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(124,58,237,0.5);
  z-index: 9998;
  transition: all 0.25s ease;
}
.airandd-chat-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(124,58,237,0.65);
}
.airandd-chat-fab .chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--c-danger);
  color: #fff;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.6875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

.airandd-chat-panel {
  position: fixed;
  bottom: 5.5rem;
  left: 1.5rem;
  width: 380px;
  height: 520px;
  max-height: calc(100vh - 8rem);
  background: var(--c-white);
  border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.airandd-chat-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.airandd-chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #050816 0%, #1a2980 100%);
  color: #fff;
  flex-shrink: 0;
}
.airandd-chat-panel-header h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.airandd-chat-panel-close {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.airandd-chat-panel-close:hover {
  background: rgba(255,255,255,0.3);
}

.airandd-chat-panel-body {
  flex: 1;
  overflow: hidden;
}
.airandd-chat-panel-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Mobile responsive chat panel */
@media (max-width: 480px) {
  .airandd-chat-panel {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 5rem;
    width: auto;
    height: calc(100vh - 7rem);
    max-height: none;
  }
  .airandd-chat-fab {
    bottom: 1rem;
    left: 1rem;
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
}

/* ============================================================
   MESSAGES PAGE STYLES
   ============================================================ */
.airandd-messages {
  display: flex;
  height: calc(100vh - 200px);
  min-height: 500px;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-white);
}

.msg-sidebar {
  width: 320px;
  min-width: 280px;
  border-right: 1px solid var(--c-gray-200);
  display: flex;
  flex-direction: column;
  background: var(--c-gray-50);
}
.msg-sidebar-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--c-gray-200);
  flex-shrink: 0;
}
.msg-sidebar-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-gray-900);
  margin-bottom: 0.75rem;
}
.msg-search {
  position: relative;
}
.msg-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
  pointer-events: none;
}
.msg-search input {
  width: 100%;
  padding: 0.625rem 0.75rem 0.625rem 2.25rem;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-full);
  font-size: 0.875rem;
  background: var(--c-white);
  transition: border-color 0.15s;
}
.msg-search input:focus {
  outline: none;
  border-color: var(--c-purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.msg-conversations {
  flex: 1;
  overflow-y: auto;
}
.msg-conv-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--c-gray-100);
}
.msg-conv-item:hover {
  background: var(--c-white);
}
.msg-conv-item.active {
  background: var(--c-white);
  border-left: 3px solid var(--c-purple);
}
.msg-conv-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
}
.msg-conv-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.msg-conv-info {
  flex: 1;
  min-width: 0;
}
.msg-conv-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--c-gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.msg-conv-preview {
  font-size: 0.8125rem;
  color: var(--c-gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.125rem;
}
.msg-conv-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.375rem;
  flex-shrink: 0;
}
.msg-conv-time {
  font-size: 0.6875rem;
  color: var(--c-gray-400);
}
.msg-unread-badge {
  background: var(--c-purple);
  color: #fff;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.6875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat area */
.msg-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.msg-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-gray-400);
}
.msg-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.msg-empty-text {
  font-size: 1rem;
}

.msg-chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--c-gray-200);
  background: var(--c-white);
  flex-shrink: 0;
}
.msg-chat-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-gray-900);
}
.msg-chat-status {
  font-size: 0.75rem;
  color: var(--c-gray-400);
}

.msg-chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.msg-bubble-wrap {
  display: flex;
  max-width: 75%;
}
.msg-bubble-wrap.sent {
  align-self: flex-end;
}
.msg-bubble-wrap.received {
  align-self: flex-start;
}
.msg-bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--r-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  word-break: break-word;
}
.msg-bubble-wrap.sent .msg-bubble {
  background: var(--grad-btn);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-bubble-wrap.received .msg-bubble {
  background: var(--c-gray-100);
  color: var(--c-gray-800);
  border-bottom-left-radius: 4px;
}
.msg-bubble-time {
  font-size: 0.6875rem;
  opacity: 0.7;
  margin-top: 0.375rem;
}

.msg-chat-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--c-gray-200);
  background: var(--c-gray-50);
  flex-shrink: 0;
}
.msg-input-wrap {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--r-lg);
  padding: 0.5rem 0.75rem;
  transition: border-color 0.15s;
}
.msg-input-wrap:focus-within {
  border-color: var(--c-purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.msg-input {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  font-size: 0.9375rem;
  line-height: 1.4;
  padding: 0.375rem 0;
  max-height: 120px;
  background: transparent;
}
.msg-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad-btn);
  color: #fff;
  border: none;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.msg-send-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 3px 12px rgba(124,58,237,0.4);
}

/* Mobile messages */
@media (max-width: 768px) {
  .airandd-messages {
    flex-direction: column;
    height: calc(100vh - 160px);
  }
  .msg-sidebar {
    width: 100%;
    min-width: unset;
    max-height: 40%;
    border-right: none;
    border-bottom: 1px solid var(--c-gray-200);
  }
}