/* =========================================================
   NEXUS LAB - DESIGN SYSTEM & STYLESHEET
   EdTech & Commerce Tech Innovation
   ========================================================= */

:root {
  /* Colors */
  --bg-dark: #090D16;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 38, 60, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-glow: rgba(99, 102, 241, 0.35);

  --primary: #6366F1;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --accent-cyan: #06B6D4;
  --accent-purple: #A855F7;
  --accent-green: #10B981;
  
  --edtech-gradient: linear-gradient(135deg, #6366F1 0%, #A855F7 100%);
  --commerce-gradient: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
  --brand-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #06B6D4 100%);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Grotesk', monospace;

  /* Transitions & Shadows */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-glow: 0 10px 40px -10px rgba(99, 102, 241, 0.3);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Atmospheric Glows */
.glow-sphere {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.sphere-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366F1, transparent 70%);
  top: -100px;
  right: -100px;
}

.sphere-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #06B6D4, transparent 70%);
  top: 40%;
  left: -150px;
}

.sphere-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #8B5CF6, transparent 70%);
  bottom: 5%;
  right: 5%;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1, h2, h3, h4, h5 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul {
  list-style: none;
}

.text-accent { color: #38BDF8; }
.text-green { color: #34D399; }
.text-ed { color: #A78BFA; }
.text-com { color: #38BDF8; }
.text-center { text-align: center; }

.gradient-text-ed {
  background: linear-gradient(135deg, #A78BFA 0%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-com {
  background: linear-gradient(135deg, #38BDF8 0%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-outline {
  border-color: var(--border-glass-glow);
  background: rgba(99, 102, 241, 0.1);
  color: #E2E8F0;
}

.btn-outline:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  font-size: 0.825rem;
  font-weight: 600;
  color: #A5B4FC;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #38BDF8;
  box-shadow: 0 0 10px #38BDF8;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.sub-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 0.8rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-icon.sm {
  width: 30px;
  height: 30px;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-cta {
  display: none;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero-section {
  padding: 5rem 0 6rem;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 540px;
  font-weight: 400;
}

.hero-subtitle strong {
  color: var(--text-main);
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
}

.stat-val-wrapper {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #FFFFFF;
}

.stat-symbol {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-glass);
}

/* Hero Visual / Code Showcase */
.hero-visual {
  position: relative;
}

.tech-card-showcase {
  position: relative;
  perspective: 1000px;
}

.card-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
}

.main-card {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transform: rotateY(-3deg) rotateX(4deg);
  transition: transform 0.5s ease;
}

.main-card:hover {
  transform: rotateY(0deg) rotateX(0deg);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-glass);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.card-title-mini {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.code-preview {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}

.code-line { color: #E2E8F0; }
.code-line.indent { padding-left: 1.25rem; }
.c-keyword { color: #F43F5E; }
.c-string { color: #34D399; }
.c-func { color: #60A5FA; }
.c-prop { color: #38BDF8; }
.c-bool { color: #F59E0B; }
.c-comment { color: #64748B; font-style: italic; }

/* Floating Badges */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(16px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  animation: floatAnim 6s ease-in-out infinite;
}

.badge-edtech {
  top: -20px;
  right: -20px;
  animation-delay: 0s;
}

.badge-commerce {
  bottom: -25px;
  left: -20px;
  animation-delay: 3s;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.badge-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.edtech-bg {
  background: var(--edtech-gradient);
  color: #FFFFFF;
}

.commerce-bg {
  background: var(--commerce-gradient);
  color: #FFFFFF;
}

.floating-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  display: block;
}

.floating-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
}

/* =========================================================
   SOLUTIONS SECTION
   ========================================================= */
.section-solutions {
  padding: 6rem 0;
  border-top: 1px solid var(--border-glass);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 2.75rem 2.25rem;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.solution-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-5px);
}

.card-accent-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.card-accent-bar.ed { background: var(--edtech-gradient); }
.card-accent-bar.com { background: var(--commerce-gradient); }

.solution-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.ed-icon {
  background: rgba(168, 85, 247, 0.15);
  color: #C084FC;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.com-icon {
  background: rgba(6, 182, 212, 0.15);
  color: #38BDF8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.pillar-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.solution-title {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.solution-text {
  color: var(--text-muted);
  font-size: 0.975rem;
  margin-bottom: 1.75rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.925rem;
  color: #CBD5E1;
}

.feature-list li i {
  margin-top: 4px;
  font-size: 0.95rem;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.link-btn:hover {
  gap: 0.7rem;
}

/* =========================================================
   INTERACTIVE IMPACT SECTION
   ========================================================= */
.section-interactive {
  padding: 6rem 0;
  background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.04) 50%, transparent 100%);
}

.interactive-box {
  background: rgba(18, 24, 38, 0.9);
  border: 1px solid var(--border-glass-glow);
  border-radius: 24px;
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.interactive-title {
  font-size: 2.1rem;
  margin: 0.5rem 0 1rem;
}

.interactive-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.vertical-toggle {
  display: inline-flex;
  background: rgba(10, 14, 23, 0.8);
  padding: 0.35rem;
  border-radius: 12px;
  border: 1px solid var(--border-glass);
  gap: 0.25rem;
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.4rem;
  border-radius: 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.toggle-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.calculator-card {
  background: rgba(11, 15, 25, 0.95);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 2.25rem;
}

.range-group {
  margin-bottom: 2rem;
}

.range-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.range-val-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.range-val {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #FFFFFF;
}

.range-unit {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

input[type="range"] {
  width: 100%;
  height: 6px;
  background: #1E293B;
  border-radius: 5px;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 10px var(--primary);
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.metrics-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-result-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
}

.m-title {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.m-val {
  display: block;
  font-size: 1.85rem;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: 0.2rem;
}

.m-desc {
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* =========================================================
   FEATURES SECTION
   ========================================================= */
.section-features {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  transition: var(--transition-smooth);
}

.feature-box:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  color: #818CF8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

/* =========================================================
   CONTACT SECTION
   ========================================================= */
.section-contact {
  padding: 6rem 0;
  border-top: 1px solid var(--border-glass);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-title {
  font-size: 2.25rem;
  margin: 0.5rem 0 1.25rem;
}

.contact-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.contact-points {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.c-point {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #E2E8F0;
  font-size: 0.95rem;
}

.c-point i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  padding: 2.5rem;
  position: relative;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #CBD5E1;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(10, 14, 23, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  color: #FFFFFF;
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: #0F172A;
  color: #FFFFFF;
}

.form-toast {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34D399;
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.form-toast.show {
  display: flex;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 4.5rem 0 2rem;
  background: #060911;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col ul a {
  color: var(--text-dim);
  font-size: 0.875rem;
}

.footer-col ul a:hover {
  color: var(--text-main);
  padding-left: 3px;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.social-links a:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.825rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #34D399;
  font-weight: 500;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #34D399;
  box-shadow: 0 0 8px #34D399;
}

/* =========================================================
   RESPONSIVE DESIGN
   ========================================================= */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-subtitle {
    margin: 0 auto 2.25rem;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

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

  .interactive-box {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.5rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.4rem;
  }

  .desktop-cta {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 24, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    transform: translateY(-150%);
    transition: transform 0.35s ease-in-out;
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .mobile-cta {
    display: inline-flex;
    width: 100%;
  }

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

  .bottom-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .badge-edtech,
  .badge-commerce {
    position: static;
    margin-top: 1rem;
    display: inline-flex;
    animation: none;
  }
}