/* ============================================
   FullBPO Tools — Hub Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-bg: #0a0a0f;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.06);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-text: #e8e8ed;
  --color-text-secondary: #8b8b9e;
  --color-text-muted: #5a5a70;
  --color-accent: #6c5ce7;
  --color-accent-light: #a29bfe;
  --color-accent-glow: rgba(108, 92, 231, 0.3);
  --color-blue: #74b9ff;
  --color-green: #55efc4;
  --color-orange: #fdcb6e;
  --color-purple: #a29bfe;
  --color-red: #ff7675;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-glow: 0 0 60px rgba(108, 92, 231, 0.15);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Animated Background --- */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  z-index: 0;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

.bg-glow--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.bg-glow--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(116, 185, 255, 0.1), transparent 70%);
  bottom: -150px;
  left: -100px;
  animation-delay: -7s;
}

.bg-glow--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(85, 239, 196, 0.08), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(20px, 20px) scale(1.02); }
}

/* --- Container --- */
.container {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease-out;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 16px;
  animation: fadeInDown 0.6s ease-out 0.1s both;
}

.hero__accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 32px;
  font-weight: 400;
  animation: fadeInDown 0.6s ease-out 0.2s both;
}

.hero__subtitle strong {
  color: var(--color-green);
  font-weight: 600;
}

.hero__stats {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 16px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hero__stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.hero__stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* --- Section Title --- */
.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
  text-align: center;
}

/* --- Tools Grid --- */
.tools {
  flex: 1;
  padding: 20px 0;
}

.tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* --- Tool Card --- */
.tool-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: 
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-spring),
    box-shadow var(--transition-smooth);
}

.tool-card--visible {
  animation: fadeInUp 0.5s ease-out forwards;
}

.tool-card__glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  background: radial-gradient(
    300px circle at var(--mouse-x) var(--mouse-y),
    rgba(108, 92, 231, 0.06),
    transparent 60%
  );
  pointer-events: none;
}

.tool-card:hover .tool-card__glow {
  opacity: 1;
}

.tool-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.tool-card__icon-wrapper {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.15);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  transition: transform var(--transition-spring), background var(--transition-fast);
}

.tool-card:hover .tool-card__icon-wrapper {
  transform: scale(1.08);
  background: rgba(108, 92, 231, 0.12);
}

.tool-card__icon {
  font-size: 1.6rem;
}

.tool-card__content {
  flex: 1;
}

.tool-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.tool-card__description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.tool-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag--blue {
  background: rgba(116, 185, 255, 0.1);
  color: var(--color-blue);
  border: 1px solid rgba(116, 185, 255, 0.2);
}

.tag--green {
  background: rgba(85, 239, 196, 0.1);
  color: var(--color-green);
  border: 1px solid rgba(85, 239, 196, 0.2);
}

.tag--purple {
  background: rgba(162, 155, 254, 0.1);
  color: var(--color-purple);
  border: 1px solid rgba(162, 155, 254, 0.2);
}

.tag--orange {
  background: rgba(253, 203, 110, 0.1);
  color: var(--color-orange);
  border: 1px solid rgba(253, 203, 110, 0.2);
}

.tool-card__arrow {
  position: absolute;
  top: 32px;
  right: 28px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-muted);
  transition: 
    color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-spring);
}

.tool-card:hover .tool-card__arrow {
  color: var(--color-accent-light);
  background: rgba(108, 92, 231, 0.1);
  transform: translateX(4px);
}

/* --- Coming Soon Card --- */
.tool-card--coming-soon {
  cursor: default;
  border-style: dashed;
  opacity: 0;
  transform: translateY(20px);
}

.tool-card--coming-soon:hover {
  transform: translateY(0);
  box-shadow: none;
  background: var(--color-bg-card);
}

.tool-card__badge-soon {
  position: absolute;
  top: 28px;
  right: 24px;
  padding: 4px 12px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 48px 0 24px;
  margin-top: auto;
}

.footer__brand {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer__accent {
  color: var(--color-accent-light);
}

.footer__text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.footer__copy {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* --- Animations --- */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .container {
    padding: 20px 16px;
  }

  .hero {
    padding: 40px 0 24px;
  }

  .hero__stats {
    padding: 12px 20px;
    gap: 16px;
  }

  .hero__stat-value {
    font-size: 1.2rem;
  }

  .tools__grid {
    grid-template-columns: 1fr;
  }

  .tool-card {
    padding: 24px 20px;
  }
}