/* ===== RESET & VARIABLES ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #1b3e5f; /* Dark Navy */
  --primary-light: #2c527a;
  --accent: #9e7d35; /* Gold/Bronze Action Color */
  --accent-bright: #b89a4d;
  --accent-glow: rgba(158, 125, 53, 0.2);
  --success: #10b981;
  --success-light: #34d399;
  --warning: #f59e0b;
  --error: #ef4444;
  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --bg-dark: #FFFFFF;
  --bg-light: #F4F4F4;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F9F9F9;
  --border: #E2E8F0;
  --border-accent: rgba(158, 125, 53, 0.2);
  --border-accent-hover: rgba(158, 125, 53, 0.5);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-accent: 0 10px 40px rgba(158, 125, 53, 0.15);
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(158, 125, 53, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(27, 62, 95, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== UTILITIES ===== */
.accent-text {
  color: var(--accent);
}

/* ===== URGENT BANNER ===== */
.urgent-banner {
  background: var(--primary);
  color: #ffffff;
  padding: 0.9rem 2rem;
  text-align: center;
  font-size: 1.15rem;
  font-family: 'Inter', sans-serif;
}

.urgent-content {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: center;
}

.urgent-content p { margin: 0; line-height: 1.4; color: #ffffff; }
.urgent-content strong { font-weight: 800; letter-spacing: 0.5px; color: var(--accent); }

.urgent-content a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  margin-left: 0.25rem;
  transition: all 0.2s;
}

.urgent-content a:hover { color: var(--accent-bright); text-decoration-color: transparent; }

.pulse-dot.alert {
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(158, 125, 53, 0.7);
  animation: pulseAlert 1.5s infinite;
}

@keyframes pulseAlert {
  70% { box-shadow: 0 0 0 5px rgba(158, 125, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(158, 125, 53, 0); }
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-base);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  border-bottom-color: var(--border-accent);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary);
}

.logo-icon { color: var(--accent); font-size: 1.1rem; }

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
  padding: 0.25rem 0;
  text-transform: none;
  letter-spacing: normal;
}

.nav-links a:not(.nav-cta):hover { color: var(--accent); }

.nav-links a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition-base);
  display: block;
}

.nav-links a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: var(--accent);
  color: #FFFFFF !important;
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(158, 125, 53, 0.3);
}

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

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

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 3rem 6rem;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(158, 125, 53, 0.08) 0%, transparent 65%);
  border-radius: 50%;
  animation: heroFloat 8s ease-in-out infinite;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(27, 62, 95, 0.06) 0%, transparent 65%);
  border-radius: 50%;
  animation: heroFloat 10s ease-in-out infinite reverse;
  z-index: 0;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(20px, -20px); }
  66% { transform: translate(-15px, 15px); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-particle {
  position: absolute;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFade 4s ease-in-out infinite;
}

@keyframes particleFade {
  0%, 100% { opacity: 0; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(-30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  animation: slideUp 1s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: rgba(158, 125, 53, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  color: var(--text-primary);
}

.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding: 1.5rem 2.5rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.stat-number, .stat-suffix {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: scrollBounce 2s ease-in-out infinite;
  cursor: pointer;
  z-index: 10;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== BUTTONS ===== */
.cta-buttons {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2.2rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(158, 125, 53, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(27, 62, 95, 0.05);
  transform: translateY(-3px);
}

/* ===== SECTIONS ===== */
.section {
  padding: 7rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(158, 125, 53, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: var(--primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== CHALLENGE ===== */
.challenge-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.challenge-header h3 { font-size: 1.25rem; font-weight: 700; color: var(--primary); }

.erp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.erp-badge {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 1.5rem 1rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  height: 100%;
}

.erp-logo {
  width: 44px;
  height: 44px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #FFFFFF;
}

/* ===== FEATURES ===== */
.feature-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.feature-icon {
  width: 52px; height: 52px;
  background: rgba(27, 62, 95, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon { background: var(--accent); color: #FFFFFF; border-color: transparent; }
.feature-card h3 { color: var(--primary); }

.erp-badge span { font-weight: 600; font-size: 0.85rem; }

.challenge-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 1rem 1.5rem;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.challenge-note svg { flex-shrink: 0; color: var(--warning); margin-top: 2px; }

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.feature-card:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon-wrap { margin-bottom: 1.25rem; }

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(27, 62, 95, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--accent);
  color: #FFFFFF;
  border-color: transparent;
}

.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* ===== COMPLIANCE ===== */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.compliance-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.compliance-card:hover {
  border-color: var(--border-accent-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.compliance-check {
  width: 36px; height: 36px; min-width: 36px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
  font-weight: 700;
}

.compliance-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.25rem; }
.compliance-card p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.5; }

/* ===== HOW IT WORKS (PEPPOL CORNER MODEL) ===== */
.peppol-corner-diagram {
  margin-top: 1.5rem;
  overflow-x: auto;
  padding: 0.5rem;
}

.diagram-zones-container {
  display: flex;
  gap: 1rem;
  min-width: 800px;
  max-width: 1000px;
  margin: 0 auto;
  justify-content: center;
}

.business-zones {
  display: flex;
  gap: 1rem;
  flex: 2;
  position: relative;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1rem;
}

.diagram-zone {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  flex: 1;
}

.zone-users {
  background: rgba(224, 247, 250, 0.4);
  border: 1px solid rgba(0, 188, 212, 0.3);
}

.zone-asp {
  background: rgba(227, 242, 253, 0.6);
  border: 1px solid rgba(33, 150, 243, 0.3);
}

.zone-govt {
  flex: 1;
  background: rgba(232, 245, 233, 0.6);
  border: 1px solid rgba(76, 175, 80, 0.3);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: 1rem;
  max-width: 300px;
}

.zone-title {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
  text-align: center;
  margin-bottom: 0.25rem;
}

.peppol-corner {
  background: #FFFFFF;
  padding: 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  border-left: 4px solid transparent;
}

.corner-text {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  display: block;
  margin-bottom: 0.25rem;
}

.peppol-corner h4 { font-size: 0.9rem; font-weight: 700; color: var(--primary); margin: 0 0 0.25rem 0; }
.peppol-corner p { font-size: 0.75rem; color: var(--text-secondary); line-height: 1.4; margin: 0; }
.peppol-corner .icon { font-size: 1.5rem; position: absolute; top: 0.75rem; right: 0.75rem; opacity: 0.2; }

.c1, .c4 { border-left-color: #00BCD4; }
.asp-box { border-left-color: #2196F3; }
.gov-box { border-left-color: #4CAF50; }

.gap-spacer { height: 20px; }

/* Connections */
.diagram-connections {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.diagram-connections.center-connections {
  min-width: 80px;
}

.conn-arrow {
  position: relative;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
}

.arrow-char { font-size: 1.5rem; font-weight: 300; }
.arrow-down-simple { text-align: center; font-size: 1.5rem; color: var(--text-muted); font-weight: 300; margin: 0.25rem 0; }

.help-highlight {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #FFF;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.5rem;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(158, 125, 53, 0.3);
  z-index: 10;
  text-transform: uppercase;
}

.pulse-ring {
  position: absolute;
  inset: -3px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  animation: pulseHighlight 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseHighlight {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.1); opacity: 0; }
}

.help-text { position: relative; z-index: 3; }

.asp-internal-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0.5rem 0;
}

.peppol-network-box {
  background: rgba(33, 150, 243, 0.1);
  border: 1px dashed rgba(33, 150, 243, 0.5);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  text-align: center;
  width: 100%;
}
.peppol-network-box span { font-weight: 700; font-size: 0.8rem; color: var(--primary); display: block; margin-bottom: 0.25rem; }
.peppol-network-box p { font-size: 0.7rem; color: var(--text-secondary); margin: 0; }

.tax-reporting {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  gap: 0.15rem;
}

/* ===== BENEFITS ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.benefit-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.75rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.benefit-item:hover {
  background: #FFFFFF;
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(158, 125, 53, 0.08);
  border-radius: var(--radius-sm);
}

/* ===== DEVELOPER ===== */
.developer-showcase {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.integration-badge {
  background: var(--primary);
  color: #FFFFFF;
}

/* ===== ERP ECOSYSTEM SEARCH ===== */
.erp-search-wrapper {
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.search-input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1.5rem;
  color: var(--text-muted);
  pointer-events: none;
}

#erpSearch {
  width: 100%;
  padding: 1.25rem 1.5rem 1.25rem 3.5rem;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

#erpSearch:focus {
  background: #FFFFFF;
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(158, 125, 53, 0.15);
  outline: none;
}

.search-count {
  position: absolute;
  right: 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(158, 125, 53, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 50px;
}

.erp-ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.erp-card {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.erp-card:hover {
  background: #FFFFFF;
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.erp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.erp-card-logo {
  width: 50px; height: 50px;
  background: var(--primary);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 900;
  overflow: hidden;
}

.erp-real-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #FFFFFF; /* Ensure white background for transparent logos */
  padding: 5px;
  border-radius: var(--radius-md);
}

.erp-fallback-text {
  font-size: 1.25rem;
  font-weight: 900;
}
.erp-fav {
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.2s;
}

.erp-fav:hover { color: var(--accent); }

.erp-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0;
}

.erp-protocol {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.erp-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.25rem;
}

.erp-tier {
  display: inline-block;
  margin-top: auto;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  width: fit-content;
}

.erp-no-results {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-xl);
  border: 1px dashed var(--border);
}

.erp-no-results.visible { display: block; }

/* ===== DEVELOPER CONTENT ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.tool-card {
  background: var(--bg-card);
  padding: 1.5rem 1rem;
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition-base);
}

.tool-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.tool-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.tool-card h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

/* ===== FAQ ===== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item.active {
  background: #FFFFFF;
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.faq-chevron {
  transition: transform var(--transition-base);
  color: var(--accent);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.5rem;
}

/* ===== DEPLOYMENT ===== */
.deployment-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.deployment-card { 
  background: rgba(255, 255, 255, 0.6); 
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm); 
  padding: 2.5rem 2rem;
  border-radius: var(--radius-xl);
  position: relative;
  transition: all var(--transition-base);
}

.deployment-card:hover { 
  background: #FFFFFF; 
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.deployment-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.deployment-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.deployment-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.deployment-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.deployment-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.deployment-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
}

.deployment-glow {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at top right, rgba(158, 125, 53, 0.05), transparent 60%);
  pointer-events: none;
}

.deployment-tag {
  position: absolute;
  top: -12px; right: 20px;
  background: var(--accent);
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  box-shadow: 0 4px 10px rgba(158, 125, 53, 0.3);
}

/* ===== FOOTER ===== */
footer {
  background: var(--primary);
  color: #FFFFFF;
  border-top: none;
  padding: 5rem 2rem 2rem;
}

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

.footer-brand .logo {
  display: inline-flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #FFFFFF;
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-brand p { color: #CBD5E0; max-width: 350px; line-height: 1.6; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin: 3rem 0 2rem;
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-section a { 
  color: #E2E8F0; 
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section a:hover { color: var(--accent-bright); }

.footer-bottom { 
  border-top: 1px solid rgba(255, 255, 255, 0.1); 
  color: #A0AEC0; 
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: var(--primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px var(--accent-glow);
  z-index: 999;
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5); }

/* ===== TOAST ===== */
.toast-container { position: fixed; top: 5rem; right: 1.5rem; z-index: 10000; display: flex; flex-direction: column; gap: 0.75rem; }

.toast {
  padding: 1rem 1.5rem;
  background: var(--bg-card-hover);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
  animation: toastIn 0.4s ease-out;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
}

.toast.success { border-color: rgba(16, 185, 129, 0.4); }
.toast.error { border-color: rgba(239, 68, 68, 0.4); }

@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(30px); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .steps-container { grid-template-columns: repeat(3, 1fr); }
  .step:nth-child(3)::after { display: none; }
}

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

  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transition: right var(--transition-base);
    border-left: 1px solid var(--border);
    z-index: 1000;
  }

  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1.1rem; padding: 0.5rem 0; }
  .nav-cta { text-align: center; width: 100%; display: flex; justify-content: center; }
  nav { padding: 1rem 1.5rem; }

  .hero { padding: 5rem 1.5rem 3rem; min-height: auto; }
  .hero h1 { font-size: 2.2rem; }
  .hero .subtitle { font-size: 1rem; }

  .hero-stats { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  .stat-divider { width: 60px; height: 1px; }
  .scroll-indicator { display: none; }

  .section { padding: 4rem 1.5rem; }
  .section-title { font-size: 1.8rem; }

  .challenge-card, .flow-container, .developer-showcase, .final-cta { padding: 2rem 1.25rem; }

  .steps-container { grid-template-columns: 1fr; gap: 1rem; }
  .step::after { display: none; }
  .step { display: flex; gap: 1rem; text-align: left; padding: 1.25rem; }
  .step-number { font-size: 1.8rem; margin-bottom: 0; }

  .features-grid, .benefits-grid, .compliance-grid { grid-template-columns: 1fr; }
  .erp-showcase { grid-template-columns: repeat(2, 1fr); }
  .deployment-options { grid-template-columns: 1fr; }
  .code-body { font-size: 0.72rem; }
  footer { padding: 3rem 1.5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  /* Responsive Banner */
  .urgent-banner { font-size: 0.95rem; padding: 0.8rem 1rem; }
  .urgent-content { gap: 0.4rem; }

  /* Responsive PEPPOL Diagram */
  .diagram-zones-container { flex-direction: column; min-width: 100%; }
  .business-zones { flex-direction: column; }
  .zone-govt { max-width: 100%; }
  
  .diagram-connections.center-connections { 
      flex-direction: row; 
      gap: 2rem; 
      padding: 1.5rem 0; 
  }
  .conn-arrow { transform: rotate(90deg); }
  
  /* Counter-rotate the pulsing text so it remains readable while arrow points down */
  .help-highlight { 
      top: 50%; 
      left: 110px; 
      transform: translate(-50%, -50%) rotate(-90deg); 
  }
  
  .pulse-ring { inset: -4px; }
  
  .diagram-connections.govt-connections { padding: 1rem 0; }
  .diagram-connections.govt-connections .tax-reporting { flex-direction: column; }
  .diagram-connections.govt-connections .arrow-char { transform: rotate(90deg); margin-top: 5px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; letter-spacing: -1px; }
  .btn { padding: 0.8rem 1.5rem; font-size: 0.88rem; }
  .section-title { font-size: 1.5rem; }
  .erp-grid, .tools-showcase { grid-template-columns: repeat(2, 1fr); }
  .erp-showcase { grid-template-columns: 1fr; }
  
  .help-highlight { font-size: 0.55rem; left: 85px; padding: 0.3rem 0.5rem; }
  .urgent-banner { font-size: 0.85rem; }
}