/* ============================================================
   IMJ Edu — Premium Dark Theme Stylesheet
   AI-Ready Smart Classroom & Education Solutions
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --bg-primary: #07060b;
  --bg-secondary: #0d0b14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #f0eef5;
  --text-secondary: rgba(240, 238, 245, 0.65);
  --text-muted: rgba(240, 238, 245, 0.4);

  --accent-primary: #8b5cf6;
  --accent-secondary: #a78bfa;
  --accent-glow: rgba(139, 92, 246, 0.25);
  --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 50%, #4c1d95 100%);
  --accent-gradient-text: linear-gradient(135deg, #c4b5fd 0%, #8b5cf6 50%, #a78bfa 100%);

  --green-accent: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.2);

  --classroom-color: #8b5cf6;
  --media-color: #3b82f6;
  --academy-color: #f59e0b;
  --campus-color: #22c55e;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1200px;
  --container-padding: clamp(20px, 4vw, 40px);

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---- Ambient Background ---- */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.4) 0%, transparent 70%);
  top: -200px;
  left: -100px;
  animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
  top: 40%;
  right: -150px;
  animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
  bottom: 10%;
  left: 20%;
  animation: orbFloat3 22s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, 40px) scale(1.1); }
  66% { transform: translate(-30px, 60px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-50px, -30px) scale(1.05); }
  66% { transform: translate(40px, -50px) scale(0.9); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -40px) scale(1.1); }
}

/* ---- Scroll Animations ---- */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ---- Typography Utilities ---- */
.gradient-text {
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 16px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 100px;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto clamp(48px, 6vw, 72px);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--container-padding);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(7, 6, 11, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  z-index: 1001;
}

.logo-mark {
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links li a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta-btn {
  background: var(--accent-gradient) !important;
  color: white !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.nav-cta-btn:hover {
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4) !important;
  transform: translateY(-1px);
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--container-padding) 80px;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-secondary);
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 100px;
  margin-bottom: 32px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--green-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  background: rgba(255, 255, 255, 0.01);
}

.trust-text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.trust-logos {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 4vw, 48px);
  flex-wrap: wrap;
}

.trust-logo-item {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  transition: all var(--transition-base);
}

.trust-logo-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

/* ============================================================
   POSITIONING SECTION
   ============================================================ */
.positioning {
  padding: var(--section-padding) 0;
}

.positioning-inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.positioning-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top center, rgba(139, 92, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.positioning-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.positioning-text {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.8;
  position: relative;
}

/* ============================================================
   FOUR PILLARS
   ============================================================ */
.pillars-section {
  padding: var(--section-padding) 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  padding: clamp(28px, 3vw, 40px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pillar-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

.pillar-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.pillar-icon svg {
  width: 26px;
  height: 26px;
}

.classroom-icon {
  background: rgba(139, 92, 246, 0.12);
  color: var(--classroom-color);
}

.media-icon {
  background: rgba(59, 130, 246, 0.12);
  color: var(--media-color);
}

.academy-icon {
  background: rgba(245, 158, 11, 0.12);
  color: var(--academy-color);
}

.campus-icon {
  background: rgba(34, 197, 94, 0.12);
  color: var(--campus-color);
}

.pillar-badge {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 12px;
}

.pillar-title {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.pillar-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pillar-tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.pillar-card:hover .pillar-tag {
  background: rgba(139, 92, 246, 0.08);
  border-color: rgba(139, 92, 246, 0.2);
  color: var(--accent-secondary);
}

/* ============================================================
   SMART CAMPUS AI SECURITY
   ============================================================ */
.campus-security-section {
  padding: var(--section-padding) 0;
  background: rgba(255, 255, 255, 0.01);
  position: relative;
}

.campus-security-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Performance Metrics */
.campus-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.campus-metric-card {
  text-align: center;
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.campus-metric-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.2);
  transform: translateY(-2px);
}

.metric-value {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #22c55e 0%, #4ade80 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Detection Feature Cards */
.campus-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.campus-feature-card {
  padding: clamp(24px, 3vw, 36px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.campus-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #22c55e, #4ade80);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.campus-feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.campus-feature-card:hover::before {
  opacity: 1;
}

.campus-feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  color: var(--green-accent);
}

.campus-feature-icon svg {
  width: 24px;
  height: 24px;
}

.campus-feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.campus-feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* System Capabilities */
.campus-capabilities {
  margin-bottom: 48px;
  padding: clamp(28px, 4vw, 48px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-xl);
}

.capabilities-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.capability-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.capability-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.08);
  border-radius: var(--radius-sm);
  color: var(--green-accent);
}

.capability-icon svg {
  width: 20px;
  height: 20px;
}

.capability-content strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.capability-content p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Use Cases */
.campus-usecases {
  margin-bottom: 48px;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.usecase-item {
  text-align: center;
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.usecase-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(34, 197, 94, 0.15);
  transform: translateY(-2px);
}

.usecase-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}

.usecase-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.usecase-item p {
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.5;
}

/* Campus CTA */
.campus-cta {
  text-align: center;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   SOLUTIONS SECTION
   ============================================================ */
.solutions-section {
  padding: var(--section-padding) 0;
  background: rgba(255, 255, 255, 0.01);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  padding: clamp(28px, 3vw, 40px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-slow);
  position: relative;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.12);
}

.solution-card.featured {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.04);
  box-shadow: 0 0 40px var(--accent-glow);
}

.solution-card.featured:hover {
  box-shadow: 0 24px 64px rgba(139, 92, 246, 0.2);
}

.solution-featured-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.solution-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  color: var(--accent-secondary);
}

.solution-icon svg {
  width: 28px;
  height: 28px;
}

.solution-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.solution-features {
  width: 100%;
  text-align: left;
  margin-bottom: 28px;
  flex-grow: 1;
}

.solution-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.solution-features li:last-child {
  border-bottom: none;
}

.solution-features svg {
  color: var(--green-accent);
  flex-shrink: 0;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works {
  padding: var(--section-padding) 0;
}

.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.step-card {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  text-align: center;
  padding: 24px;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.4) 0%, rgba(139, 92, 246, 0.05) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.step-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(139, 92, 246, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-secondary);
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: center;
  padding-top: 72px;
  color: var(--text-muted);
}

/* ============================================================
   WHY CHOOSE IMJ
   ============================================================ */
.why-section {
  padding: var(--section-padding) 0;
  background: rgba(255, 255, 255, 0.01);
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.why-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.why-intro {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.why-list li:hover {
  background: rgba(255, 255, 255, 0.03);
}

.why-check {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  color: var(--green-accent);
}

.why-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

.why-list li span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.why-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  padding: clamp(24px, 3vw, 36px);
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  padding: var(--section-padding) 0;
}

.cta-inner {
  text-align: center;
  padding: clamp(48px, 6vw, 80px) clamp(24px, 4vw, 60px);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top center, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  position: relative;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  margin-bottom: 36px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 60px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-weight: 800;
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer-location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: clamp(32px, 5vw, 64px);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 100px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3);
  z-index: 999;
  transition: all var(--transition-base);
  animation: whatsapp-pulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.15), 0 0 0 12px rgba(37, 211, 102, 0.08); }
}

/* ============================================================
   STICKY CTA BAR
   ============================================================ */
.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: rgba(7, 6, 11, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px var(--container-padding);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.sticky-cta-bar.visible {
  transform: translateY(0);
}

.sticky-cta-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sticky-cta-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.sticky-cta-text svg {
  color: var(--accent-secondary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .why-inner {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    transform: rotate(90deg);
    padding-top: 0;
    padding: 0 12px;
  }

  .step-card {
    max-width: 360px;
  }

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

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

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

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 6, 11, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-links li a {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-location {
    justify-content: center;
  }

  .sticky-cta-text {
    display: none;
  }

  .sticky-cta-inner {
    justify-content: center;
  }

  .why-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .trust-logos {
    gap: 8px;
  }

  .trust-logo-item {
    font-size: 0.75rem;
    padding: 8px 14px;
  }

  .whatsapp-float {
    bottom: 80px;
    right: 16px;
    width: 52px;
    height: 52px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}