/* ==========================================================================
   SahaayaNet - About Our Platform Stylesheet (about.css)
   Official About & Ecosystem overview portal for SahaayaNet.
   Provides glassmorphic cards, platform story timeline, mission & vision,
   core values grid, tech stack badges, roadmap layout, and impact counters.
   ========================================================================== */

:root {
  --about-primary: #2563EB;
  --about-secondary: #10B981;
  --about-purple: #8B5CF6;
  --about-amber: #F59E0B;
  --about-sky: #0EA5E9;
  --about-rose: #F43F5E;
}

/* Breadcrumb Navigation */
.breadcrumb-about {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.breadcrumb-about a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumb-about a:hover {
  color: var(--primary);
}

.breadcrumb-separator-about {
  color: var(--text-light);
  font-size: 0.75rem;
}

.breadcrumb-current-about {
  color: var(--primary);
  font-weight: 700;
}

/* About Hero Visual Stage */
.about-hero-stage {
  position: relative;
  width: 100%;
  max-width: 520px;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.about-glow-backdrop {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, rgba(16, 185, 129, 0.18) 50%, transparent 70%);
  filter: blur(45px);
  animation: floatGlowAbout 7s ease-in-out infinite alternate;
}

@keyframes floatGlowAbout {
  0% { transform: scale(0.9) translateY(0); opacity: 0.7; }
  100% { transform: scale(1.1) translateY(-15px); opacity: 1; }
}

/* Central Core Ecosystem Badge */
.about-core-badge {
  position: relative;
  width: 220px;
  height: 220px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  z-index: 5;
}

[data-theme="dark"] .about-core-badge {
  background: rgba(17, 24, 39, 0.95);
}

/* Floating Badges around Hero */
.floating-chip-about {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  border-radius: 14px;
  padding: 0.55rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  z-index: 10;
  animation: floatBounceAbout 4s ease-in-out infinite alternate;
}

.floating-chip-about.ab-1 { top: 20px; left: -10px; animation-delay: 0s; }
.floating-chip-about.ab-2 { top: 90px; right: -15px; animation-delay: 1s; }
.floating-chip-about.ab-3 { bottom: 120px; left: -25px; animation-delay: 2s; }
.floating-chip-about.ab-4 { bottom: 25px; right: -10px; animation-delay: 1.5s; }

@keyframes floatBounceAbout {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-10px) rotate(1.5deg); }
}

/* Story Vertical Timeline */
.story-timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0;
}

.story-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: linear-gradient(180deg, #2563EB 0%, #10B981 50%, #8B5CF6 100%);
  transform: translateX(-50%);
  border-radius: 3px;
}

.story-step {
  position: relative;
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  margin-bottom: 2.5rem;
}

.story-step:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.story-node {
  position: absolute;
  left: 50%;
  top: 15px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 3px solid var(--primary);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.15);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  z-index: 5;
}

.story-content-card {
  width: 88%;
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  margin-right: 2rem;
  transition: var(--transition-normal);
}

.story-step:nth-child(even) .story-content-card {
  margin-right: 0;
  margin-left: 2rem;
}

.story-content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.3);
}

/* Mission & Vision Grid */
.mission-vision-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.mv-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
}

.mv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  transition: var(--transition-fast);
}

.mv-card.mission-card::before {
  background: linear-gradient(90deg, #2563EB, #0EA5E9);
}

.mv-card.vision-card::before {
  background: linear-gradient(90deg, #10B981, #F59E0B);
}

.mv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.mv-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
}

/* Core Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.value-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.3);
}

.value-icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Ecosystem Applications Grid */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.eco-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.eco-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(37, 99, 235, 0.3);
}

.eco-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 1rem;
}

/* Tech Stack Badge Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
}

.tech-card {
  background: var(--card-bg);
  border-radius: 18px;
  padding: 1.25rem 1rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: var(--transition-fast);
}

.tech-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-hover);
}

.tech-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

/* Why Choose Features Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.why-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(16, 185, 129, 0.3);
}

/* Horizontal Step Roadmap */
.roadmap-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  position: relative;
}

.roadmap-step-card {
  background: var(--card-bg);
  border-radius: 18px;
  padding: 1.5rem 1.1rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
  text-align: center;
  position: relative;
  transition: var(--transition-fast);
}

.roadmap-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.roadmap-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.8rem auto;
}

/* Impact Counters Section */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.impact-card {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border-radius: var(--radius-card);
  padding: 2.2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.2);
  color: white;
  text-align: center;
  transition: var(--transition-normal);
}

.impact-card:hover {
  transform: translateY(-5px);
  border-color: #38BDF8;
}

.impact-number {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #38BDF8, #34D399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

/* Call To Action Banner */
.about-cta-banner {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 50%, #10B981 100%);
  border-radius: 28px;
  padding: 3.5rem 2rem;
  color: white;
  text-align: center;
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.35);
  position: relative;
  overflow: hidden;
}

/* Responsive Styles */
@media (max-width: 868px) {
  .story-timeline::before {
    left: 24px;
  }
  .story-step, .story-step:nth-child(even) {
    justify-content: flex-start;
    padding-left: 60px;
    padding-right: 0;
  }
  .story-node {
    left: 24px;
  }
  .story-content-card, .story-step:nth-child(even) .story-content-card {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 640px) {
  .about-hero-stage {
    height: 360px;
  }
  .about-core-badge {
    width: 180px;
    height: 180px;
    padding: 1rem;
  }
  .floating-chip-about {
    display: none;
  }
  .mission-vision-grid {
    grid-template-columns: 1fr;
  }
  .roadmap-flow {
    grid-template-columns: 1fr;
  }
}