/* ============================================================
   OBSIDIAN — Premium Dark Glass design system
   Crimson accent · Space Grotesk display · Geist body
   ============================================================ */

:root {
  --ink-0: #060303;
  --ink-1: #0b0606;
  --ink-2: #120a0a;
  --glass-fill: rgba(255, 255, 255, 0.03);
  --glass-fill-strong: rgba(255, 255, 255, 0.055);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-highlight: rgba(255, 255, 255, 0.08);
  --crimson: #a855f7;
  --crimson-soft: #d8b4fe;
  --crimson-deep: #581c87;
  --text-1: #f5f2f2;
  --text-2: rgba(245, 242, 242, 0.62);
  --text-3: rgba(245, 242, 242, 0.38);
  --ease-lux: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Geist', sans-serif !important;
  background-image: none !important;
  background-color: transparent !important;
  color: var(--text-1) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.01em;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif !important;
  font-weight: 600 !important;
  letter-spacing: -0.03em;
  color: var(--text-1);
}

.eyebrow, .mono {
  font-family: 'JetBrains Mono', monospace !important;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

::selection {
  background: rgba(168, 85, 247, 0.45);
  color: #fff;
}

::-webkit-scrollbar {
  width: 9px;
}

::-webkit-scrollbar-track {
  background: var(--ink-0);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  border: 2px solid var(--ink-0);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--crimson);
}

/* Hide legacy decorations from older layers */
.glow-inner {
  display: none !important;
}

/* ============================================================
   BACKGROUND — quiet, deep, expensive
   ============================================================ */

.sys-info-bg-container {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 120% 70% at 50% -10%, rgba(168, 85, 247, 0.08), transparent 60%),
    radial-gradient(ellipse 80% 60% at 85% 110%, rgba(88, 28, 135, 0.12), transparent 65%),
    linear-gradient(180deg, var(--ink-1), var(--ink-0) 55%);
  overflow: hidden;
}

/* Slow aurora ribbons */
.sys-glow-1 {
  position: absolute;
  top: -30vh;
  left: -20vw;
  width: 90vw;
  height: 90vh;
  background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.07), transparent 65%);
  filter: blur(40px);
  animation: aurora-a 26s var(--ease-lux) infinite alternate;
}

.sys-glow-2 {
  position: absolute;
  bottom: -35vh;
  right: -15vw;
  width: 80vw;
  height: 85vh;
  background: radial-gradient(ellipse at center, rgba(88, 28, 135, 0.1), transparent 60%);
  filter: blur(50px);
  animation: aurora-b 32s var(--ease-lux) infinite alternate;
}

.sys-glow-3 {
  position: absolute;
  top: 30vh;
  left: 40vw;
  width: 55vw;
  height: 55vh;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.025), transparent 60%);
  filter: blur(60px);
  animation: aurora-a 40s 4s var(--ease-lux) infinite alternate-reverse;
}

.sys-glow-ellipse {
  display: none;
}

@keyframes aurora-a {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(6vw, 4vh) scale(1.12); }
}

@keyframes aurora-b {
  from { transform: translate(0, 0) scale(1.05); }
  to { transform: translate(-5vw, -5vh) scale(1); }
}

/* Vignette keeps edges cinematic */
.sys-gradient-bottom {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(6, 3, 12, 0.5), transparent 18%, transparent 70%, rgba(6, 3, 12, 0.75)),
    radial-gradient(ellipse 130% 100% at 50% 50%, transparent 60%, rgba(6, 3, 12, 0.55));
  pointer-events: none;
}

.sys-radial-top {
  display: none;
}

/* Ultra-faint dot matrix */
.sys-pattern-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black, transparent 80%);
  pointer-events: none;
}

/* Real 3D WebGL layer */
#webgl-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#webgl-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  animation: webgl-fade-in 2.4s 0.3s ease forwards;
}

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

/* Floating dust motes (script.js reuses the .ember hook) */
.ember {
  position: absolute;
  bottom: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5), rgba(216, 180, 254, 0.18) 60%, transparent);
  filter: blur(1px);
  pointer-events: none;
  opacity: 0;
  animation: mote-rise linear infinite;
}

@keyframes mote-rise {
  0% { transform: translate(0, 0) scale(1); opacity: 0; }
  10% { opacity: var(--ember-opacity, 0.35); }
  70% { opacity: var(--ember-opacity, 0.35); }
  100% { transform: translate(var(--ember-drift, 0px), -110vh) scale(0.5); opacity: 0; }
}

/* ============================================================
   GLASS SURFACES — cards, modals, dropdowns, inputs
   ============================================================ */

.card, .modal-content, .dropdown-menu {
  background: linear-gradient(165deg, var(--glass-fill-strong), var(--glass-fill)) !important;
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 var(--glass-highlight) !important;
  overflow: hidden;
  transition: transform 0.5s var(--ease-lux), border-color 0.5s ease, box-shadow 0.5s ease;
}

.card:hover {
  border-color: rgba(168, 85, 247, 0.35) !important;
  transform: translateY(-5px);
  box-shadow:
    0 32px 80px rgba(0, 0, 0, 0.55),
    0 0 40px rgba(168, 85, 247, 0.1),
    inset 0 1px 0 var(--glass-highlight) !important;
}

.bg-gray, .cta-text-image {
  background: transparent !important;
  border: none;
}

.form-control, .form-select, .hero .fake-searchbar input {
  background: rgba(255, 255, 255, 0.035) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-1) !important;
  transition: all 0.35s var(--ease-lux) !important;
}

.form-control:focus, .form-select:focus {
  background: rgba(255, 255, 255, 0.06) !important;
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.12) !important;
  border-color: rgba(168, 85, 247, 0.5) !important;
}

.form-control::placeholder {
  color: var(--text-3) !important;
}

/* ============================================================
   BUTTONS — quiet luxury, crimson on intent
   ============================================================ */

.btn {
  border-radius: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  transition: all 0.4s var(--ease-lux) !important;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(180deg, #a855f7, #7e22ce) !important;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  box-shadow:
    0 8px 24px rgba(168, 85, 247, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.22), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease-lux);
  pointer-events: none;
}

.btn-primary:hover::before {
  left: 130%;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #f25555, #d32f2f) !important;
  box-shadow:
    0 14px 36px rgba(168, 85, 247, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: var(--glass-fill) !important;
  color: var(--text-1) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(12px);
}

.btn-outline-primary:hover {
  background: var(--glass-fill-strong) !important;
  border-color: rgba(168, 85, 247, 0.45) !important;
  color: #fff !important;
}

.btn:active {
  transform: translateY(1px) scale(0.98) !important;
  transition-duration: 0.08s !important;
}

/* Magnetic buttons (script.js) */
.magnetic {
  transition: transform 0.25s var(--ease-lux) !important;
  will-change: transform;
}

/* ============================================================
   HEADER — announcement + floating glass nav
   ============================================================ */

header.sticky-top {
  background: transparent !important;
  border: none !important;
  transition: all 0.4s var(--ease-lux);
}

.announcement {
  background: rgba(255, 255, 255, 0.03) !important;
  border-bottom: 1px solid var(--glass-border) !important;
  backdrop-filter: blur(16px);
  color: var(--text-2) !important;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.announcement a {
  color: var(--crimson-soft) !important;
}

/* ============================================================
   SECTION TITLES
   ============================================================ */

.section-title {
  justify-content: center;
}

.section-title h1,
.section-title h2 {
  font-size: clamp(2rem, 4vw, 2.9rem) !important;
  background: linear-gradient(180deg, #ffffff 40%, rgba(255, 255, 255, 0.55));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.section-subtitle {
  text-align: center;
}

.section-subtitle p {
  color: var(--text-2) !important;
  max-width: 640px;
  margin: 0 auto;
}

.nexus-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--crimson-soft);
  padding: 0.4rem 1rem;
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 999px;
  background: rgba(168, 85, 247, 0.06);
}

/* ============================================================
   FEEDBACK / TESTIMONIALS (pro.css .testimonial reskin)
   ============================================================ */

.testimonial {
  background: linear-gradient(165deg, var(--glass-fill-strong), var(--glass-fill)) !important;
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 var(--glass-highlight) !important;
  transition: transform 0.5s var(--ease-lux), border-color 0.5s ease !important;
}

.testimonial:hover {
  border-color: rgba(168, 85, 247, 0.3) !important;
  transform: translateY(-4px);
}

.testimonial .footer {
  border-top: 1px solid var(--glass-border) !important;
  color: var(--text-3) !important;
}

/* ============================================================
   LINKS
   ============================================================ */

a {
  transition: color 0.3s ease, opacity 0.3s ease;
}

a:hover {
  text-shadow: none;
}

/* ============================================================
   MOTION — reveal on scroll, 3D tilt, spotlight
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-lux), transform 0.9s var(--ease-lux);
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.tilt-3d {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}

.tilt-3d:hover {
  transition-duration: 0.08s;
}

.tilt-glare {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  mix-blend-mode: overlay;
}

.spotlight {
  position: relative;
}

.spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--spot-x, 50%) var(--spot-y, 50%),
    rgba(255, 255, 255, 0.06),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.spotlight:hover::before {
  opacity: 1;
}

/* Cursor aura */
#cursor-aura {
  position: fixed;
  top: 0;
  left: 0;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0.03) 45%, transparent 70%);
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  mix-blend-mode: screen;
  transition: opacity 0.5s ease, width 0.4s var(--ease-lux), height 0.4s var(--ease-lux);
  will-change: transform;
}

#cursor-aura.is-visible {
  opacity: 1;
}

#cursor-aura.is-active {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.14), rgba(168, 85, 247, 0.04) 45%, transparent 70%);
}

/* Scroll progress — hairline */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--crimson-deep), var(--crimson), var(--crimson-soft));
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.6);
  z-index: 2000;
  pointer-events: none;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .sys-glow-1, .sys-glow-2, .sys-glow-3,
  .sys-pattern-grid, .announcement {
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ember,
  #cursor-aura,
  #webgl-bg {
    display: none;
  }

  html {
    scroll-behavior: auto;
  }
}