/* BrainBench - Custom Styles (Enhanced) */

/* ===== GLOBAL ===== */
html {
  scroll-behavior: smooth;
}

body {
  background-color: #0f172a;
  background-image: radial-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #0f172a; }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #475569; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { letter-spacing: -0.025em; }

.gradient-number {
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.65) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.label-text {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  font-weight: 500;
}

/* ===== AURORA HERO BACKGROUND ===== */
.aurora-bg {
  position: relative;
  overflow: hidden;
}

.aurora-bg::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -40%;
  width: 180%;
  height: 220%;
  background:
    radial-gradient(ellipse at 25% 40%, rgba(59, 130, 246, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 40%, rgba(168, 85, 247, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 90%, rgba(245, 158, 11, 0.10) 0%, transparent 50%);
  animation: auroraShift 20s ease-in-out infinite alternate;
  z-index: 0;
  pointer-events: none;
}

.aurora-bg > * {
  position: relative;
  z-index: 1;
}

@keyframes auroraShift {
  0%   { transform: translate(0, 0) rotate(0deg) scale(1); }
  25%  { transform: translate(3%, -2%) rotate(0.5deg) scale(1.02); }
  50%  { transform: translate(-2%, 3%) rotate(-0.5deg) scale(0.98); }
  75%  { transform: translate(1%, -1%) rotate(0.3deg) scale(1.01); }
  100% { transform: translate(-1%, 2%) rotate(-0.3deg) scale(1); }
}

/* ===== GLASSMORPHISM ===== */
.glass-card {
  background: rgba(30, 41, 59, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 0.75rem;
}

.chart-container {
  position: relative;
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.06);
  padding: 1.5rem;
}

/* ===== CARD HOVER + GLOW ===== */
.card-hover {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35),
              0 0 0 1px rgba(148, 163, 184, 0.08);
}

.glow-blue {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.08);
}
.glow-blue:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
              0 0 40px rgba(59, 130, 246, 0.12),
              inset 0 1px 0 rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.25);
}

.glow-purple {
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.08);
}
.glow-purple:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
              0 0 40px rgba(168, 85, 247, 0.12),
              inset 0 1px 0 rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.25);
}

.glow-amber {
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.08);
}
.glow-amber:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
              0 0 40px rgba(245, 158, 11, 0.12),
              inset 0 1px 0 rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
}

.glow-emerald {
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.08);
}
.glow-emerald:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3),
              0 0 40px rgba(16, 185, 129, 0.12),
              inset 0 1px 0 rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
}

/* ===== MOUSE SPOTLIGHT ===== */
.card-spotlight {
  position: relative;
  overflow: hidden;
}

.card-spotlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(
    350px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(59, 130, 246, 0.06),
    transparent 40%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

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

.card-spotlight > * {
  position: relative;
  z-index: 1;
}

/* ===== SCROLL REVEAL ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children inside a grid */
.scroll-reveal[data-delay="1"] { transition-delay: 0.08s; }
.scroll-reveal[data-delay="2"] { transition-delay: 0.16s; }
.scroll-reveal[data-delay="3"] { transition-delay: 0.24s; }
.scroll-reveal[data-delay="4"] { transition-delay: 0.32s; }

/* ===== PROGRESS BAR ANIMATION ===== */
.progress-fill {
  width: 0 !important;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.progress-fill.animate {
  width: auto;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 100%
  );
  animation: shimmer 2.5s ease-in-out infinite;
  animation-delay: 1.2s;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== BADGE PULSE ===== */
@keyframes gentlePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(1.8); }
}
.live-dot {
  animation: gentlePulse 2.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== TABS ===== */
.tab-btn {
  transition: all 0.25s ease;
}
.tab-btn.active {
  color: #3b82f6;
  border-bottom-color: #3b82f6;
  background-color: rgba(59, 130, 246, 0.05);
}
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* ===== PIPELINE STEPS ===== */
.pipeline-step {
  position: relative;
}
.pipeline-step::after {
  content: '';
  position: absolute;
  top: 50%; right: -24px;
  width: 24px; height: 2px;
  background: #334155;
}
.pipeline-step:last-child::after {
  display: none;
}

/* ===== TABLE ===== */
.data-table th {
  background-color: rgba(51, 65, 85, 0.25);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}
.data-table td, .data-table th {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.25);
}
.data-table tbody tr {
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
.data-table tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.04);
  box-shadow: inset 3px 0 0 #3b82f6;
}

/* ===== NAV LINK UNDERLINE ===== */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: #3b82f6;
  border-radius: 1px;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1), left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover::after {
  width: 100%;
  left: 0;
}
.nav-link-active::after {
  width: 100%;
  left: 0;
}