/* ── About SPER — Design System ────────────────────────────
   Modern AI-powered design with Deep Blue and Purple accents
────────────────────────────────────────────────────────── */

:root {
  --deep-blue: #0a1e3c;
  --deep-blue-dark: #051225;
  --deep-blue-light: #1a2f4f;
  --purple-primary: #8b5cf6;
  --purple-light: #a78bfa;
  --purple-dark: #7c3aed;
  --purple-glow: rgba(139, 92, 246, 0.3);
  --text-white: #ffffff;
  --text-light: #e5e7eb;
  --text-dark: #1f2937;
  --text-muted: #9ca3af;
  --bg-light: #f8f9fa;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* ── AI NEURAL NETWORK CANVAS ──────────────────────────── */
#ai-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.25;
  pointer-events: none;
}

/* ── STARTER SECTION ───────────────────────────────────── */
.section-starter-about {
  min-height: 70vh;
  background: linear-gradient(135deg, var(--deep-blue-dark) 0%, var(--deep-blue) 50%, var(--deep-blue-light) 100%);
  position: relative;
  overflow: hidden;
}

.section-starter-about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.2), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(167, 139, 250, 0.15), transparent 40%);
  pointer-events: none;
}

.section-starter-about .container {
  position: relative;
  z-index: 2;
}

/* Breadcrumb Styling */
/*.section-starter-about .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
}

.section-starter-about .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.5);
  content: "›";
  padding: 0 0.5rem;
}

.section-starter-about .breadcrumb-item a {
  text-decoration: none;
  transition: color 0.3s ease;
}

.section-starter-about .breadcrumb-item a:hover {
  color: var(--purple-light) !important;
}

.section-starter-about .linkLine {
  position: relative;
}

.section-starter-about .linkLine::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--purple-primary);
  transition: width 0.3s ease;
}

.section-starter-about .linkLine:hover::after {
  width: 100%;
}*/

/* Intro Card */
.intro-card-about {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
  border-radius: 24px;
  border: 2px solid rgba(139, 92, 246, 0.3);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.intro-card-about::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1), transparent 60%);
  animation: rotate-glow-about 10s linear infinite;
}

@keyframes rotate-glow-about {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.intro-icon-badge-about {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-primary), var(--purple-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 15px 40px var(--purple-glow);
  animation: pulse-icon-about 3s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

@keyframes pulse-icon-about {
  0%, 100% { 
    transform: scale(1); 
    box-shadow: 0 15px 40px var(--purple-glow);
  }
  50% { 
    transform: scale(1.05); 
    box-shadow: 0 20px 50px rgba(139, 92, 246, 0.5);
  }
}

.intro-heading-about {
  color: var(--text-white);
  position: relative;
  z-index: 2;
}

.intro-text-about-card {
  color: var(--text-light);
  position: relative;
  z-index: 2;
}

/* ── INTRO SECTION (Legacy - kept for compatibility) ─────── */
.intro-section-about {
  padding: 4rem 0;
  background: linear-gradient(to bottom, #ffffff, #f8f9fa);
}

.tagline-about {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--purple-primary);
  text-align: center;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.intro-divider-about {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--purple-primary), transparent);
  border: none;
  margin: 2rem auto;
  max-width: 200px;
}

.intro-text-about {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-dark);
  text-align: justify;
}

/* ── AI ECOSYSTEM SECTION ──────────────────────────────── */
.ai-ecosystem-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--deep-blue-dark) 0%, var(--deep-blue) 50%, var(--deep-blue-light) 100%);
  position: relative;
  overflow: hidden;
}

.ai-ecosystem-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(139, 92, 246, 0.2), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(167, 139, 250, 0.15), transparent 40%);
  pointer-events: none;
}

.ecosystem-header-about {
  position: relative;
  z-index: 2;
  margin-bottom: 3rem;
}

.ecosystem-title-about {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--text-white);
  text-align: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff, var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ecosystem-subtitle-about {
  color: var(--text-light);
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto;
}

/* Platform Cards */
.platform-card-about {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border-radius: 20px;
  padding: 2rem;
  border: 2px solid rgba(139, 92, 246, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  height: 100%;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.platform-card-about::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.platform-card-about:hover::before {
  opacity: 1;
  animation: pulse-glow-about 2s ease-in-out infinite;
}

.platform-card-about:hover {
  transform: translateY(-12px) scale(1.03);
  border-color: var(--purple-primary);
  box-shadow: 0 20px 60px var(--purple-glow);
}

@keyframes pulse-glow-about {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
  50% { transform: scale(1.1) rotate(180deg); opacity: 1; }
}

.platform-logo-container-about {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 2px solid rgba(139, 92, 246, 0.2);
  margin-bottom: 1.5rem;
  transition: border-color 0.3s ease;
}

.platform-card-about:hover .platform-logo-container-about {
  border-color: var(--purple-primary);
}

.platform-logo-about {
  max-height: 70px;
  transition: transform 0.3s ease;
}

.platform-card-about:hover .platform-logo-about {
  transform: scale(1.1);
}

.platform-title-about {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--purple-light), var(--purple-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.platform-title-about sup {
  -webkit-text-fill-color: var(--text-white) !important;
  background: none !important;
  font-size: 0.6em;
}

.platform-description-about {
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
  font-size: 0.95rem;
}

.ecosystem-note-about {
  color: var(--text-light);
  text-align: center;
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 900px;
  margin: 3rem auto 0;
  padding: 0 1rem;
}

/* ── GLOBAL SCALE SECTION ──────────────────────────────── */
.global-scale-section {
  padding: 5rem 0;
  background: var(--bg-light);
}

.scale-title-about {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--deep-blue);
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}

.scale-title-about::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--purple-primary), var(--purple-light));
  border-radius: 2px;
}

.list-check-about {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-check-about li {
  padding: 1rem 0 1rem 3rem;
  position: relative;
  font-size: 1.05rem;
  color: var(--text-dark);
  line-height: 1.7;
  border-bottom: 1px solid rgba(139, 92, 246, 0.1);
  opacity: 0;
  transform: translateX(-30px);
  animation: slide-in-check 0.6s ease forwards;
}

.list-check-about li:last-child {
  border-bottom: none;
}

.list-check-about li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--purple-glow);
}

.list-check-about li::after {
  content: '✓';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
}

@keyframes slide-in-check {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.list-check-about li:nth-child(1) { animation-delay: 0.1s; }
.list-check-about li:nth-child(2) { animation-delay: 0.2s; }
.list-check-about li:nth-child(3) { animation-delay: 0.3s; }
.list-check-about li:nth-child(4) { animation-delay: 0.4s; }
.list-check-about li:nth-child(5) { animation-delay: 0.5s; }

/* ── CERTIFICATIONS SECTION ────────────────────────────── */
.certifications-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--deep-blue) 0%, var(--deep-blue-light) 100%);
  position: relative;
  overflow: hidden;
}

.certifications-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1), transparent 50%);
  pointer-events: none;
}

.cert-title-about {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-white);
  text-align: center;
  margin-bottom: 1.5rem;
}

.cert-subtitle-about {
  color: var(--text-light);
  text-align: center;
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.cert-badge-about {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.08));
  border: 2px solid rgba(139, 92, 246, 0.4);
  border-radius: 16px;
  padding: 2rem 3rem;
  display: inline-block;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.cert-badge-about::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(139, 92, 246, 0.2), transparent);
  transform: rotate(45deg);
  animation: shimmer-about 3s infinite;
}

@keyframes shimmer-about {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.cert-badge-about:hover {
  transform: scale(1.05);
  border-color: var(--purple-primary);
  box-shadow: 0 15px 50px var(--purple-glow);
}

.cert-text-about {
  position: relative;
  z-index: 2;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.5px;
}

/* ── CLOSING SECTION ───────────────────────────────────── */
.closing-section {
  padding: 5rem 0;
  background: linear-gradient(to bottom, #ffffff, var(--bg-light));
}

.closing-statement-about {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  line-height: 1.8;
  color: var(--deep-blue);
  text-align: center;
  font-weight: 500;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2.5rem 3rem;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(167, 139, 250, 0.05));
  border-radius: 20px;
  border: 2px solid rgba(139, 92, 246, 0.2);
  position: relative;
  overflow: hidden;
}

.closing-statement-about::before {
  content: '®';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 3rem;
  color: var(--purple-primary);
  opacity: 0.15;
  font-weight: 700;
}

.closing-statement-about strong {
  color: var(--purple-primary);
  font-weight: 700;
}

/* ── AI PARTICLE EFFECTS ───────────────────────────────── */
.ai-particle-about {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--purple-primary);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.7;
  animation: float-particle-about 3s ease-in-out infinite;
  box-shadow: 0 0 10px var(--purple-glow);
}

@keyframes float-particle-about {
  0%, 100% { 
    transform: translateY(0) translateX(0); 
    opacity: 0.7;
  }
  25% { 
    transform: translateY(-25px) translateX(15px); 
    opacity: 0.9;
  }
  50% { 
    transform: translateY(-15px) translateX(-15px); 
    opacity: 1;
  }
  75% { 
    transform: translateY(-35px) translateX(10px); 
    opacity: 0.8;
  }
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 992px) {
  .ecosystem-title-about,
  .scale-title-about,
  .cert-title-about {
    font-size: 2rem;
  }

  .platform-card-about {
    padding: 1.5rem;
  }

  .list-check-about li {
    padding: 0.75rem 0 0.75rem 2.5rem;
    font-size: 1rem;
  }

  .list-check-about li::before {
    width: 28px;
    height: 28px;
  }

  .list-check-about li::after {
    left: 9px;
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .intro-section-about,
  .global-scale-section,
  .certifications-section,
  .closing-section {
    padding: 3rem 0;
  }

  .ai-ecosystem-section {
    padding: 4rem 0;
  }

  .cert-badge-about {
    padding: 1.5rem 2rem;
  }

  .cert-text-about {
    font-size: 0.95rem;
  }

  .closing-statement-about {
    padding: 2rem 1.5rem;
    font-size: 1.1rem;
  }

  .platform-logo-container-about {
    height: 80px;
  }

  .platform-logo-about {
    max-height: 60px;
  }
}

/* ── UTILITY CLASSES ───────────────────────────────────── */
.text-gradient-purple {
  background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-purple {
  box-shadow: 0 0 20px var(--purple-glow);
}