/* =================================================================
   SkyVerge Select — Stylesheet
   Design tokens live at the top as CSS custom properties so future
   theming (e.g. a light mode, or per-tenant branding) stays simple.
   ================================================================= */

:root{
  /* Backgrounds */
  --bg-deep:        #050816;
  --bg-panel:       #0B1120;
  --bg-panel-soft:  #0E1526;

  /* Accents */
  --blue:           #2D8CFF;
  --purple:         #7B2EFF;
  --blue-soft:      rgba(45, 140, 255, 0.16);
  --purple-soft:    rgba(123, 46, 255, 0.16);

  /* Text */
  --text-primary:   #F5F7FB;
  --text-secondary: #A7B0C4;
  --text-muted:     #6C7690;

  /* Glass */
  --glass-bg:       rgba(255, 255, 255, 0.04);
  --glass-bg-strong:rgba(255, 255, 255, 0.07);
  --glass-border:   rgba(255, 255, 255, 0.10);
  --glass-blur:     18px;

  /* Radii */
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Shadows */
  --shadow-soft: 0 20px 60px rgba(0,0,0,0.45);
  --glow-blue:   0 0 40px rgba(45,140,255,0.35);
  --glow-purple: 0 0 40px rgba(123,46,255,0.30);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* -----------------------------------------------------------------
   Reset & base
   ----------------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: radial-gradient(120% 100% at 15% -10%, #0d1730 0%, var(--bg-deep) 45%, #030410 100%);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1em; color: var(--text-secondary); }
button{ font-family: inherit; cursor: pointer; }

.container{
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* -----------------------------------------------------------------
   Ambient background: gradient orbs + particle canvas
   ----------------------------------------------------------------- */
.bg-layer{
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.orb{
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.orb-blue{
  width: 620px; height: 620px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -180px; left: -120px;
  animation: drift1 22s ease-in-out infinite;
}
.orb-purple{
  width: 560px; height: 560px;
  background: radial-gradient(circle, var(--purple) 0%, transparent 70%);
  bottom: -220px; right: -140px;
  animation: drift2 26s ease-in-out infinite;
}
.orb-small{
  width: 320px; height: 320px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: 40%; right: 10%;
  opacity: 0.3;
  animation: drift3 18s ease-in-out infinite;
}
@keyframes drift1{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(60px, 80px) scale(1.08); }
}
@keyframes drift2{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(-70px,-50px) scale(1.1); }
}
@keyframes drift3{
  0%,100%{ transform: translate(0,0); }
  50%{ transform: translate(-40px, 30px); }
}
#particle-canvas{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* -----------------------------------------------------------------
   Header / navigation
   ----------------------------------------------------------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 22, 0.55);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.brand{
  display: flex;
  align-items: center;
  transition: opacity 0.2s var(--ease);
}
.brand:hover{ opacity: 0.85; }

.logo-image{
  display: block;
  height: 40px;
  width: auto;
}
.footer-brand .logo-image{ height: 34px; }

.main-nav{
  display: flex;
  gap: 32px;
}
.main-nav a{
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
  position: relative;
}
.main-nav a:hover{ color: var(--text-primary); }
.main-nav a::after{
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  transition: width 0.25s var(--ease);
}
.main-nav a:hover::after{ width: 100%; }

.header-cta{ display: flex; }
.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span{
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.mobile-nav{
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0 24px 20px;
  background: rgba(5, 8, 22, 0.9);
}
.mobile-nav a{
  padding: 12px 4px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
}
.mobile-nav.open{ display: flex; }

/* -----------------------------------------------------------------
   Buttons & badges
   ----------------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), opacity 0.2s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 10px 30px rgba(123,46,255,0.35), var(--glow-blue);
  opacity: 0.9;
}
.btn-primary:not(:disabled):hover{ transform: translateY(-2px); box-shadow: 0 16px 40px rgba(123,46,255,0.45); }
.btn-primary:disabled{ cursor: not-allowed; }
.btn-secondary{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(var(--glass-blur));
}
.btn-secondary:hover{ background: var(--glass-bg-strong); transform: translateY(-2px); }
.btn-ghost{
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 10px 20px;
  font-size: 0.85rem;
  border-radius: 100px;
}
.btn-small{ padding: 10px 20px; font-size: 0.85rem; }

.badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
}
.badge-dot{
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue), 0 0 20px var(--blue);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ opacity: 1; transform: scale(1); }
  50%{ opacity: 0.5; transform: scale(0.8); }
}

/* -----------------------------------------------------------------
   Glass surfaces
   ----------------------------------------------------------------- */
.glass-panel, .glass-card{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}
.glass-panel::before, .glass-card::before{
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
}
.glass-card{
  padding: 32px 28px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.glass-card:hover{
  transform: translateY(-6px);
  border-color: rgba(123,46,255,0.4);
  box-shadow: var(--shadow-soft), var(--glow-purple);
}

/* -----------------------------------------------------------------
   Hero
   ----------------------------------------------------------------- */
.hero{
  position: relative;
  padding: 150px 0 120px;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}
.hero-headline{
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  margin-bottom: 0.4em;
}
.gradient-text{
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subheadline{
  font-size: 1.1rem;
  max-width: 520px;
  color: var(--text-secondary);
  margin-bottom: 2em;
}
.hero-actions{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card-stage{
  display: flex;
  justify-content: center;
  perspective: 1400px;
}
.card-tilt{
  animation: float 6s ease-in-out infinite;
  transition: transform 0.15s var(--ease);
  transform-style: preserve-3d;
}
@keyframes float{
  0%,100%{ transform: translateY(0px); }
  50%{ transform: translateY(-16px); }
}

.scroll-cue{
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 1.5px solid var(--glass-border);
  border-radius: 100px;
}
.scroll-cue span{
  display: block;
  width: 4px; height: 8px;
  margin: 6px auto;
  border-radius: 100px;
  background: var(--blue);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{
  0%{ transform: translateY(0); opacity: 1; }
  70%{ opacity: 0.4; }
  100%{ transform: translateY(14px); opacity: 0; }
}

/* -----------------------------------------------------------------
   Membership card (shared by hero + preview section)
   No panel/frame around the artwork — just the image itself with
   an ambient glow (via drop-shadow) and the float/tilt motion from
   the .card-tilt wrapper.
   ----------------------------------------------------------------- */
.member-card{
  position: relative;
  width: 300px;
  aspect-ratio: 5 / 8;
}
.card-tilt--large .member-card{ width: 340px; }

.member-card-image{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter:
    drop-shadow(0 30px 50px rgba(0,0,0,0.5))
    drop-shadow(0 0 45px rgba(45,140,255,0.3))
    drop-shadow(0 0 45px rgba(123,46,255,0.22));
}

/* -----------------------------------------------------------------
   Sections (shared)
   ----------------------------------------------------------------- */
.section{ padding: 110px 0; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head.centered{ max-width: 700px; margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow{
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.section-head h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.section-sub{ color: var(--text-secondary); font-size: 1.02rem; }

/* About */
.about-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-lead{ font-size: 1.15rem; color: var(--text-secondary); }
.about-stats{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-stat{
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-number{
  font-family: var(--font-display);
  font-size: 2.4rem;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label{ font-size: 0.85rem; color: var(--text-secondary); }

/* Partners */
.partners-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.partner-card{ text-align: left; }
.partner-icon{
  font-size: 2.1rem;
  margin-bottom: 18px;
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-soft), var(--purple-soft));
}
.partner-icon--future{ opacity: 0.85; }
.tag{
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.tag-live{ background: rgba(45,140,255,0.18); color: var(--blue); border: 1px solid rgba(45,140,255,0.3); }
.tag-soon{ background: rgba(255,255,255,0.06); color: var(--text-muted); border: 1px solid var(--glass-border); }
.partners-note{
  text-align: center;
  margin-top: 40px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Benefits */
.benefits-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-icon{
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-soft), var(--purple-soft));
  color: var(--blue);
  margin-bottom: 18px;
}

/* Card preview */
.section-card-preview{
  background: linear-gradient(180deg, transparent, rgba(123,46,255,0.05), transparent);
}
.card-preview-stage{
  display: flex;
  justify-content: center;
  margin-top: 20px;
  perspective: 1400px;
}

/* -----------------------------------------------------------------
   Footer
   ----------------------------------------------------------------- */
.site-footer{
  border-top: 1px solid var(--glass-border);
  padding: 70px 0 30px;
  background: rgba(5,8,22,0.6);
}
.footer-inner{
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--glass-border);
}
.footer-powered{ color: var(--text-muted); font-size: 0.9rem; margin-top: 12px; }
.footer-links{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col h4{
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.footer-col a{
  display: block;
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: color 0.2s var(--ease);
}
.footer-col a:hover{ color: var(--blue); }
.social-icons{ display: flex; gap: 12px; }
.social-icon{
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 100px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  transition: all 0.2s var(--ease);
}
.social-icon:hover{ color: #fff; border-color: var(--blue); box-shadow: 0 0 16px rgba(45,140,255,0.4); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 24px;
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer-fine{ margin: 0; }

/* -----------------------------------------------------------------
   Legal pages
   ----------------------------------------------------------------- */
.legal-content{ padding: 40px; }
.legal-content h3{ font-size: 1.15rem; margin-top: 1.4em; }
.legal-content h3:first-child{ margin-top: 0; }

/* -----------------------------------------------------------------
   Scroll-reveal
   ----------------------------------------------------------------- */
.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible{
  opacity: 1;
  transform: translateY(0);
}

/* -----------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------- */
@media (max-width: 960px){
  .hero-inner{ grid-template-columns: 1fr; text-align: center; }
  .hero-copy{ order: 2; }
  .hero-card-stage{ order: 1; margin-bottom: 20px; }
  .hero-subheadline{ margin-left: auto; margin-right: auto; }
  .hero-actions{ justify-content: center; }
  .about-grid{ grid-template-columns: 1fr; }
  .partners-grid{ grid-template-columns: repeat(2, 1fr); }
  .benefits-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-links{ grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px){
  .main-nav, .header-cta{ display: none; }
  .nav-toggle{ display: flex; }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity: 0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero{ padding: 120px 0 80px; }
  .section{ padding: 80px 0; }
  .partners-grid{ grid-template-columns: 1fr; }
  .benefits-grid{ grid-template-columns: 1fr; }
  .footer-links{ grid-template-columns: 1fr; gap: 28px; }
  .about-stats{ grid-template-columns: 1fr; }
  .member-card, .card-tilt--large .member-card{ width: 260px; }
}