/* ============================================================
   PSYBEREDGE STRATEGIES — Design System v4
   Modeled after: Aura Aether Spatial Network
   Dark mode · glassmorphism · glow accents · rounded · elegant
   ============================================================ */

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

:root {
  --bg: #0a0a0f;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-glass: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --white: #ffffff;
  --text-primary: #f0f0f5;
  --text-secondary: rgba(255,255,255,0.55);
  --text-muted: rgba(255,255,255,0.35);
  --accent: #6c5ce7;
  --accent-glow: rgba(108,92,231,0.3);
  --teal: #00d2ff;
  --teal-glow: rgba(0,210,255,0.2);
  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #0d1b2a 40%, #1a0a2e 70%, #0a0a0f 100%);
  --gradient-accent: linear-gradient(135deg, #6c5ce7, #00d2ff);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 100px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg);
  overflow-x: hidden;
}

/* Subtle background grid overlay — visible on all pages */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 80px 80px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text-primary);
}
h1 { font-size: clamp(3rem, 7vw, 6rem); font-weight: 300; letter-spacing: -0.04em; }
h2 { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 300; letter-spacing: -0.03em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 500; }
h4 { font-size: 0.9rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }

p { margin-bottom: 1rem; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }

/* --- Subtle grid background --- */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  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: 80px 80px;
  pointer-events: none;
}

/* --- Eyebrow / tag labels --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 24px;
}
.tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal-glow);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 48px);
  max-width: var(--max-w);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,15,0.7);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 28px;
}
.nav__logo img { height: 28px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
}
.nav__links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav__links a.active { color: var(--text-primary); }
.nav__cta {
  background: var(--white) !important;
  color: var(--bg) !important;
  font-weight: 600 !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-pill) !important;
}
.nav__cta:hover {
  background: var(--text-primary) !important;
  transform: scale(1.02);
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.nav__toggle span {
  width: 22px; height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-hero);
}
.hero__glow {
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
}
.hero__glow--blue {
  background: radial-gradient(circle, rgba(0,120,255,0.5), transparent 70%);
  top: -20%; right: -10%;
}
.hero__glow--purple {
  background: radial-gradient(circle, rgba(108,92,231,0.5), transparent 70%);
  bottom: -30%; left: -15%;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 32px;
}
.hero h1 {
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.5) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero__buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}
.hero__image {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  border-radius: var(--radius);
}
.hero__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

/* --- Aurora Background Scene --- */
.aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Floor grid is rendered via canvas in aurora.js */

/* Central column glow */
.aurora__column {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
  background: linear-gradient(to top, rgba(0,210,255,0.6), rgba(108,92,231,0.15) 50%, transparent 85%);
  box-shadow:
    0 0 40px 10px rgba(0,210,255,0.15),
    0 0 100px 30px rgba(108,92,231,0.08);
  animation: aurora-column-pulse 4s ease-in-out infinite alternate;
}

@keyframes aurora-column-pulse {
  0%   { opacity: 0.5; box-shadow: 0 0 40px 10px rgba(0,210,255,0.1), 0 0 80px 20px rgba(108,92,231,0.05); }
  100% { opacity: 1;   box-shadow: 0 0 60px 20px rgba(0,210,255,0.2), 0 0 120px 40px rgba(108,92,231,0.1); }
}

/* Beam container */
.aurora__beams {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Individual rising beams */
.aurora__beam {
  position: absolute;
  bottom: 0;
  height: 0;
  background: linear-gradient(to top,
    rgba(0,210,255,0.7),
    rgba(108,92,231,0.4) 40%,
    transparent 100%);
  border-radius: 2px;
  animation:
    aurora-beam-rise 5s ease-out infinite,
    aurora-beam-fade 5s ease-in infinite;
}

@keyframes aurora-beam-rise {
  0%   { height: 0; bottom: 0; }
  100% { height: 80vh; bottom: 20%; }
}

@keyframes aurora-beam-fade {
  0%, 15% { opacity: 0; }
  35%     { opacity: 0.9; }
  70%     { opacity: 0.5; }
  100%    { opacity: 0; }
}

/* Ambient radial glow at bottom center */
.aurora__ambient {
  position: absolute;
  bottom: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 50%;
  background: radial-gradient(ellipse at center bottom,
    rgba(0,210,255,0.18) 0%,
    rgba(108,92,231,0.10) 40%,
    transparent 70%);
  animation: aurora-ambient 8s ease-in-out infinite alternate;
}

@keyframes aurora-ambient {
  0%   { opacity: 0.5; transform: translateX(-50%) scale(1); }
  100% { opacity: 1;   transform: translateX(-50%) scale(1.1); }
}

/* Scanline overlay for texture */
.aurora__scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
}

/* --- Section layouts --- */
.section { padding: 120px 0; position: relative; }
.section--alt { background: rgba(255,255,255,0.02); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 72px; }
.section-header h2 { margin-bottom: 16px; }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  border-radius: var(--radius-pill);
}
.btn--primary {
  padding: 14px 32px;
  background: var(--white);
  color: var(--bg);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,255,255,0.15); }

.btn--ghost {
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--border-hover); background: var(--bg-card); }

.btn--accent {
  padding: 14px 32px;
  background: var(--gradient-accent);
  color: var(--white);
}
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }

.btn--outline-white {
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn--outline-white:hover { border-color: var(--border-hover); background: var(--bg-card); }

.btn__arrow { font-size: 1.1rem; transition: transform .2s; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* --- Glass cards --- */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.glass-card h3 { margin-bottom: 12px; }
.glass-card p { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 0; }
.glass-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

/* --- Bento grid --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.bento-grid .glass-card--wide { grid-column: span 2; }
.bento-grid .glass-card--tall { grid-row: span 2; }

/* --- Stats row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--border-hover); }
.stat-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1rem;
}
.stat-card__badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--teal);
  background: rgba(0,210,255,0.1);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  float: right;
  margin-top: -4px;
}
.stat-card__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.stat-card__label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Split layout --- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }
.split__text h3 { margin-bottom: 16px; }
.split__text p { color: var(--text-secondary); }
.split__text .tag { margin-bottom: 20px; }
.split__image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.split__image img { width: 100%; }

/* --- Feature list items --- */
.feature-list { display: flex; flex-direction: column; gap: 20px; margin: 28px 0; }
.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.feature-item__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gradient-accent);
  flex-shrink: 0;
  margin-top: 8px;
}
.feature-item h4 {
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 2px;
}
.feature-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* --- Service cards grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}
.service-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.service-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s;
  opacity: 0.7;
}
.service-card:hover .service-card__image img { transform: scale(1.05); opacity: 0.9; }
.service-card__body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.service-card__body .tag { margin-bottom: 14px; font-size: 0.68rem; padding: 4px 12px; }
.service-card__body h3 { margin-bottom: 10px; font-size: 1.15rem; }
.service-card__body p { color: var(--text-secondary); font-size: 0.88rem; flex: 1; }

/* --- Case study cards --- */
.case-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.case-card:hover { border-color: var(--border-hover); }
.case-card__image img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; }
.case-card__body { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.case-card__body .tag { margin-bottom: 14px; font-size: 0.68rem; padding: 4px 12px; }
.case-card__body h3 { margin-bottom: 14px; }
.case-card__body p { color: var(--text-secondary); font-size: 0.9rem; }

/* --- News grid --- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.news-card__image { aspect-ratio: 16/9; overflow: hidden; }
.news-card__image img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; transition: all .5s; }
.news-card:hover .news-card__image img { opacity: 0.9; transform: scale(1.05); }
.news-card__body { padding: 24px; }
.news-card__source {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--teal);
  margin-bottom: 10px;
  display: block;
}
.news-card__body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.news-card__body p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0; }

/* --- CTA Band --- */
.cta-band {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 100px 40px;
  text-align: center;
  margin: 0 32px;
}
.cta-band__glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  pointer-events: none;
}
.cta-band__glow--left {
  background: radial-gradient(circle, rgba(0,120,255,0.6), transparent 70%);
  bottom: -40%; left: -10%;
}
.cta-band__glow--right {
  background: radial-gradient(circle, rgba(108,92,231,0.6), transparent 70%);
  top: -40%; right: -10%;
}
.cta-band h2 { position: relative; z-index: 2; margin-bottom: 16px; }
.cta-band p {
  position: relative; z-index: 2;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto 36px;
}
.cta-band .btn { position: relative; z-index: 2; }
.cta-band .hero__buttons { position: relative; z-index: 2; }

/* --- Footer --- */
.footer {
  padding: 100px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 120px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}
.footer__brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 20px;
  max-width: 320px;
}
.footer__brand img { height: 32px; margin-bottom: 0; }
.footer__col h4 {
  color: var(--text-primary);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.footer__col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 6px 0;
  transition: var(--transition);
}
.footer__col a:hover { color: var(--text-primary); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.footer__legal {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer__creds {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 24px;
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  padding: 180px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
}
/* Glow orbs for inner page heroes */
.page-hero::before,
.page-hero::after {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}
.page-hero::before {
  background: var(--teal);
  top: -200px;
  left: -100px;
}
.page-hero::after {
  background: var(--accent);
  bottom: -200px;
  right: -100px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.5) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero p { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* --- Form styles --- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { appearance: none; cursor: pointer; }

/* --- Animations --- */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-grid .glass-card--wide { grid-column: span 1; }
  .stats-row { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse { direction: ltr; }
  .services-grid, .news-grid { grid-template-columns: 1fr; }
  .case-card { grid-template-columns: 1fr; }
  .hero { min-height: 90vh; }
  .hero h1 { font-size: clamp(2.4rem, 8vw, 4rem); }
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 12px);
    left: 0; right: 0;
    background: rgba(10,10,15,0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    gap: 2px;
  }
  .nav__toggle { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
  .page-hero { padding: 140px 0 60px; }
  .cta-band { margin: 0 16px; padding: 60px 24px; }
  .hero__buttons { flex-direction: column; align-items: center; }
}