/* ============================================================
   Support Side: Glassmorphism + Neon Design System
   Shared by the marketing site and the product demos.

   Load order: glass.css  ->  page/app stylesheet
   Everything is driven by the custom properties in :root so a
   single token change re-themes every surface.
   ============================================================ */

/* ---------- 1. Tokens ---------- */

:root {
  /* Base canvas: near-black with a faint blue cast */
  --bg-base: #05070d;
  --bg-deep: #03040a;
  --bg-raised: #0a0f1a;

  /* Glass surfaces: layered by opacity, not by solid color */
  --glass-1: rgba(255, 255, 255, 0.04);
  --glass-2: rgba(255, 255, 255, 0.06);
  --glass-3: rgba(255, 255, 255, 0.09);
  --glass-hover: rgba(255, 255, 255, 0.08);

  /* Hairline borders */
  --line-1: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.16);
  --line-3: rgba(255, 255, 255, 0.22);

  /* Blur scale */
  --blur-sm: 8px;
  --blur-md: 14px;
  --blur-lg: 20px;

  /* Type: all pass AA on --bg-base */
  --ink-1: #f4f7ff;
  --ink-2: #c3cede;
  --ink-3: #93a1b8;

  /* Neon accents */
  --neon-cyan: #22d3ee;
  --neon-blue: #60a5fa;
  --neon-magenta: #e879f9;

  /* Active accent (overridden per accent theme) */
  --accent: var(--neon-cyan);
  --accent-2: var(--neon-blue);
  --accent-ink: #d9fbff;
  --accent-line: rgba(34, 211, 238, 0.45);
  --accent-line-soft: rgba(34, 211, 238, 0.22);
  --accent-wash: rgba(34, 211, 238, 0.12);
  --accent-glow: rgba(34, 211, 238, 0.3);

  /* Ambient background washes (retinted per accent theme) */
  --wash-1: rgba(34, 211, 238, 0.1);
  --wash-2: rgba(129, 140, 248, 0.1);
  --wash-3: rgba(232, 121, 249, 0.08);
  --orb-1: rgba(34, 211, 238, 0.5);
  --orb-2: rgba(129, 140, 248, 0.45);
  --orb-3: rgba(232, 121, 249, 0.35);

  /* Elevation */
  --elev-1: 0 1px 2px rgba(0, 0, 0, 0.4);
  --elev-2: 0 10px 30px -12px rgba(0, 0, 0, 0.7);
  --elev-3: 0 24px 60px -20px rgba(0, 0, 0, 0.8);
  --glow-soft: 0 0 24px -6px var(--accent-glow);

  /* Motion */
  --dur-1: 200ms;
  --dur-2: 280ms;
  --dur-3: 400ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Status hues (kept legible on glass) */
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #fb7185;
}

/* Accent variants: set data-accent on <html> */
html[data-accent='cyan'] {
  --accent: var(--neon-cyan);
  --accent-2: var(--neon-blue);
  --accent-ink: #d9fbff;
  --accent-line: rgba(34, 211, 238, 0.45);
  --accent-line-soft: rgba(34, 211, 238, 0.22);
  --accent-wash: rgba(34, 211, 238, 0.12);
  --accent-glow: rgba(34, 211, 238, 0.3);
}

html[data-accent='blue'] {
  --accent: var(--neon-blue);
  --accent-2: #a78bfa;
  --accent-ink: #e2ecff;
  --accent-line: rgba(96, 165, 250, 0.45);
  --accent-line-soft: rgba(96, 165, 250, 0.22);
  --accent-wash: rgba(96, 165, 250, 0.12);
  --accent-glow: rgba(96, 165, 250, 0.3);
}

html[data-accent='magenta'] {
  --accent: var(--neon-magenta);
  --accent-2: #818cf8;
  --accent-ink: #fde8ff;
  --accent-line: rgba(232, 121, 249, 0.45);
  --accent-line-soft: rgba(232, 121, 249, 0.22);
  --accent-wash: rgba(232, 121, 249, 0.12);
  --accent-glow: rgba(232, 121, 249, 0.3);
}

/* ---------- 2. Base canvas ---------- */

html {
  color-scheme: dark;
  scroll-padding-top: 5rem;
}

body {
  background-color: var(--bg-base);
  color: var(--ink-2);
  /* Layered radial washes give the flat black depth without images */
  background-image:
    radial-gradient(70rem 40rem at 12% -10%, var(--wash-1), transparent 60%),
    radial-gradient(60rem 38rem at 88% 4%, var(--wash-2), transparent 62%),
    radial-gradient(50rem 34rem at 50% 108%, var(--wash-3), transparent 60%);
  background-attachment: fixed;
}

::selection {
  background: var(--accent-wash);
  color: var(--ink-1);
}

/* Keyboard focus gets a neon ring everywhere */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 0.35rem;
}

/* Dark form controls */
select option {
  background-color: #0b1120;
  color: var(--ink-1);
}

input::placeholder,
textarea::placeholder {
  color: var(--ink-3);
  opacity: 1;
}

/* Scrollbar */
* {
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
  scrollbar-width: thin;
}
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
*::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border: 2px solid transparent;
  background-clip: content-box;
  border-radius: 999px;
}
*::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.24);
  background-clip: content-box;
}

/* ---------- 3. Decorative background orbs ---------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.aurora-orb--1 {
  width: 34rem;
  height: 34rem;
  top: -10rem;
  left: -8rem;
  background: radial-gradient(circle, var(--orb-1), transparent 68%);
  animation: orb-drift-a 26s ease-in-out infinite alternate;
}

.aurora-orb--2 {
  width: 30rem;
  height: 30rem;
  top: 22%;
  right: -10rem;
  background: radial-gradient(circle, var(--orb-2), transparent 68%);
  animation: orb-drift-b 32s ease-in-out infinite alternate;
}

.aurora-orb--3 {
  width: 28rem;
  height: 28rem;
  bottom: -12rem;
  left: 38%;
  background: radial-gradient(circle, var(--orb-3), transparent 68%);
  animation: orb-drift-c 38s ease-in-out infinite alternate;
}

/* Thin grid overlay for a technical, futuristic base */
.grid-veil {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------- 4. Glass surfaces ---------- */

.glass {
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  box-shadow: var(--elev-2);
}

.glass-strong {
  background: var(--glass-2);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(var(--blur-lg)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(150%);
  box-shadow: var(--elev-3);
}

/* Interactive card: lifts and picks up a neon edge on hover */
.glass-card {
  position: relative;
  background: var(--glass-1);
  border: 1px solid var(--line-1);
  backdrop-filter: blur(var(--blur-md)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(140%);
  box-shadow: var(--elev-2);
  transition:
    transform var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background-color var(--dur-2) var(--ease);
}

.glass-card:hover {
  transform: translateY(-4px);
  background: var(--glass-2);
  border-color: var(--accent-line);
  box-shadow: var(--elev-3), var(--glow-soft);
}

/* Top hairline that catches the light, like a real glass edge */
.glass-edge::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  pointer-events: none;
}

.glass-nav {
  background: rgba(5, 7, 13, 0.66);
  border-bottom: 1px solid var(--line-1);
  backdrop-filter: blur(var(--blur-lg)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(150%);
}

/* Modal scrim */
.glass-scrim {
  background: rgba(3, 4, 10, 0.62);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

/* Browsers without backdrop-filter get denser fills so text stays legible */
@supports not ((backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px))) {
  .glass,
  .glass-card,
  .glass-strong {
    background: rgba(14, 19, 32, 0.94);
  }
  .glass-nav {
    background: rgba(5, 7, 13, 0.97);
  }
  .glass-scrim {
    background: rgba(3, 4, 10, 0.9);
  }
}

/* ---------- 5. Neon accents ---------- */

.neon-text {
  color: var(--accent);
}

.neon-gradient-text {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.neon-hairline {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
}

/* Small status/label chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent-wash);
  border: 1px solid var(--accent-line-soft);
}

.chip-dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

/* Primary action: translucent neon, never a flat neon slab */
.btn-neon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent-wash), rgba(255, 255, 255, 0.05));
  border: 1px solid var(--accent-line);
  border-radius: 0.85rem;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  box-shadow: 0 0 0 0 var(--accent-glow), var(--elev-1);
  transition:
    transform var(--dur-1) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease),
    background-color var(--dur-2) var(--ease),
    color var(--dur-1) var(--ease);
}

.btn-neon:hover {
  transform: translateY(-2px);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 28px -6px var(--accent-glow), var(--elev-2);
}

.btn-neon:active {
  transform: translateY(0);
}

.btn-neon:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Secondary action: hairline glass */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--glass-1);
  border: 1px solid var(--line-2);
  border-radius: 0.85rem;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  transition:
    transform var(--dur-1) var(--ease),
    border-color var(--dur-2) var(--ease),
    color var(--dur-1) var(--ease),
    background-color var(--dur-2) var(--ease);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  color: var(--ink-1);
  border-color: var(--line-3);
  background: var(--glass-hover);
}

/* Animated underline for text links */
.link-neon {
  position: relative;
  color: var(--ink-2);
  transition: color var(--dur-1) var(--ease);
}

.link-neon::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-2) var(--ease);
}

.link-neon:hover {
  color: var(--ink-1);
}

.link-neon:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ---------- 6. Inputs ---------- */

.glass-input {
  width: 100%;
  color: var(--ink-1);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line-2);
  border-radius: 0.85rem;
  transition:
    border-color var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    background-color var(--dur-2) var(--ease);
}

.glass-input:hover {
  border-color: var(--line-3);
}

.glass-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash), 0 0 18px -8px var(--accent-glow);
}

/* ---------- 7. Motion ---------- */

@keyframes orb-drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(4rem, 3rem, 0) scale(1.12); }
}

@keyframes orb-drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.08); }
  to   { transform: translate3d(-5rem, 2.5rem, 0) scale(1); }
}

@keyframes orb-drift-c {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(3rem, -3rem, 0) scale(1.1); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.82); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

@keyframes fade-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-float {
  animation: float-y 7s ease-in-out infinite;
}

.animate-fade-rise {
  animation: fade-rise var(--dur-3) var(--ease) both;
}

/* Scroll reveal: .reveal is set in markup, .is-visible added by observer.
   Without JS the content stays visible (progressive enhancement). */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--dur-3) var(--ease),
    transform var(--dur-3) var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 60ms; }
.reveal-delay-2 { transition-delay: 120ms; }
.reveal-delay-3 { transition-delay: 180ms; }
.reveal-delay-4 { transition-delay: 240ms; }

/* ---------- 8. Reduced motion ---------- */

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

  .aurora-orb {
    animation: none !important;
  }

  /* Never leave content hidden if the transition is disabled */
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }

  .glass-card:hover,
  .btn-neon:hover,
  .btn-ghost:hover {
    transform: none !important;
  }
}
