@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Brand Colors */
  --c-indigo: #1E1B4B;
  --c-blue: #2563EB;
  --c-teal: #0EA5E9;
  --c-emerald: #10B981;
  --c-white: #FFFFFF;
  --c-light-gray: #F8FAFC;
  --c-slate: #1E293B;
  --c-muted: #64748B;
  --c-border: #E2E8F0;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Typography */
  --font-inter: 'Inter', sans-serif;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-inter);
  color: var(--c-slate);
  background-color: var(--c-light-gray);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

button, input, select {
  font-family: inherit;
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.text-center { text-align: center; }
.text-indigo { color: var(--c-indigo); }
.text-blue { color: var(--c-blue); }
.text-teal { color: var(--c-teal); }
.text-emerald { color: var(--c-emerald); }
.text-muted { color: var(--c-muted); }
.text-white { color: var(--c-white); }

.bg-white { background-color: var(--c-white); }
.bg-light { background-color: var(--c-light-gray); }
.bg-indigo { background-color: var(--c-indigo); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
  min-height: 44px;
  border: none;
}

.btn:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(30, 27, 75, 0.15);
}

.btn-primary {
  background-color: var(--c-indigo);
  color: var(--c-white);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--c-indigo);
  color: var(--c-indigo);
}

.btn-outline-white {
  background-color: transparent;
  border: 2px solid var(--c-white);
  color: var(--c-white);
}

.btn-block {
  width: 100%;
}

/* Scroll Progress */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--c-indigo);
  width: 0%;
  z-index: 10000;
  transition: width 0.1s;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background-color: var(--c-white);
  z-index: 1000;
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-text span:first-child { color: var(--c-indigo); }
.logo-text span:last-child { color: var(--c-teal); }

.nav-links {
  display: flex;
  gap: var(--space-8);
  height: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  cursor: pointer;
  font-weight: 500;
  color: var(--c-slate);
}

.nav-item:hover { color: var(--c-blue); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--c-white);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  padding: var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  pointer-events: none;
  min-width: 600px;
  border: 1px solid var(--c-border);
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-title {
  font-size: 0.875rem;
  color: var(--c-indigo);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  font-weight: 700;
}

.mega-list li { margin-bottom: var(--space-3); }
.mega-list a {
  display: flex;
  flex-direction: column;
  color: var(--c-slate);
  font-weight: 500;
}
.mega-list a span {
  font-size: 0.8rem;
  color: var(--c-muted);
  font-weight: 400;
}
.mega-list a:hover { color: var(--c-blue); }

/* Hero Section */
.hero {
  background: var(--c-white);
  padding: var(--space-24) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, rgba(30,27,75,0.05) 50%, rgba(255,255,255,0) 70%);
  z-index: 0;
}

.hero .container {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { flex: 0 0 55%; padding-right: var(--space-8); }
.hero-visual { flex: 0 0 45%; position: relative; perspective: 1000px; }

.pill-badge {
  display: inline-block;
  background-color: var(--c-indigo);
  color: var(--c-white);
  padding: 0.25rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}
.gradient-text {
  background: linear-gradient(135deg, var(--c-indigo), var(--c-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--c-muted);
  margin-bottom: var(--space-8);
}

.trust-row {
  margin-top: var(--space-8);
  font-size: 0.875rem;
  color: var(--c-muted);
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.hero-dashboard {
  width: 100%;
  border-radius: 12px;
  box-shadow: -10px 20px 40px rgba(0,0,0,0.15);
  transform: rotateY(-5deg) rotateX(2deg);
  border: 1px solid var(--c-border);
}
.floating-badge {
  position: absolute;
  background: var(--c-white);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.badge-1 { top: -20px; right: -20px; color: var(--c-emerald); }
.badge-2 { bottom: 20px; left: -30px; color: var(--c-teal); }
.badge-3 { top: 40%; left: -40px; color: var(--c-indigo); }

/* Trust Logos */
.trust-logos { background: var(--c-light-gray); padding: var(--space-8) 0; text-align: center; }
.logo-grid {
  display: flex;
  justify-content: space-around;
  margin-top: var(--space-6);
  opacity: 0.5;
  filter: grayscale(100%);
}
.logo-grid img { height: 32px; }

/* Features */
.features { padding: var(--space-24) 0; background: var(--c-white); }
.section-header { text-align: center; margin-bottom: var(--space-16); }
.section-header h2 { font-size: 2.5rem; margin-bottom: var(--space-2); }
.section-header p { font-size: 1.125rem; color: var(--c-muted); }

.feature-card {
  padding: var(--space-6);
  border-radius: 8px;
  border: 1px solid var(--c-border);
  transition: transform 0.3s, box-shadow 0.3s;
  background: var(--c-white);
  opacity: 0;
  transform: translateY(20px);
}
.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.05); transform: translateY(-5px); }
.feature-icon { margin-bottom: var(--space-4); color: var(--c-indigo); }
.feature-card h3 { font-size: 1.125rem; margin-bottom: var(--space-2); }
.feature-card p { color: var(--c-muted); font-size: 0.875rem; }

/* How It Works */
.how-it-works { padding: var(--space-24) 0; background: var(--c-light-gray); }
.step-row {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-16);
  gap: var(--space-12);
}
.step-row:last-child { margin-bottom: 0; }
.step-text, .step-visual { flex: 1; }
.step-row:nth-child(even) .step-text { order: 2; }
.step-row:nth-child(even) .step-visual { order: 1; }
.step-icon {
  background: var(--c-white);
  width: max-content;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  color: var(--c-indigo);
  margin-bottom: var(--space-4);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.step-text h3 { font-size: 2rem; margin-bottom: var(--space-4); }
.step-text p { font-size: 1.125rem; color: var(--c-muted); }
.step-img { width: 100%; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

/* Module Tabs */
.modules { padding: var(--space-24) 0; background: var(--c-white); }
.tab-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}
.tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  background: var(--c-light-gray);
  color: var(--c-slate);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--c-indigo);
  color: var(--c-white);
}
.tab-content {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  display: none;
}
.tab-content.active { display: flex; animation: fadeIn 0.3s ease; }
.module-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.module-list li i { color: var(--c-emerald); }
.module-visual img { width: 100%; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border: 1px solid var(--c-border); }

/* Pricing */
.pricing { padding: var(--space-24) 0; background: var(--c-light-gray); }
.pricing-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.switch { position: relative; display: inline-block; width: 50px; height: 26px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #cbd5e1; transition: .4s; border-radius: 34px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--c-indigo); }
input:checked + .slider:before { transform: translateX(24px); }

.pricing-grid { align-items: end; }
.pricing-card {
  background: var(--c-white);
  padding: var(--space-8);
  border-radius: 12px;
  border: 1px solid var(--c-border);
  position: relative;
}
.pricing-card.popular {
  border: 2px solid var(--c-indigo);
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-indigo);
  color: var(--c-white);
  padding: 0.25rem 1rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.price { font-size: 2.5rem; font-weight: 700; margin: var(--space-4) 0; }
.price span { font-size: 1rem; color: var(--c-muted); font-weight: 400; }
.pricing-card ul { margin-bottom: var(--space-8); }
.pricing-card li { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; font-size: 0.875rem; }
.pricing-footer { text-align: center; margin-top: var(--space-12); color: var(--c-muted); font-size: 0.875rem; }

/* Testimonials */
.testimonials { padding: var(--space-24) 0; background: #EEF2FF; }
.testimonial-card {
  background: var(--c-white);
  padding: var(--space-6);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.stars { color: #F59E0B; margin-bottom: var(--space-3); }
.quote { font-size: 1.125rem; font-style: italic; margin-bottom: var(--space-4); color: var(--c-slate); }
.author { font-size: 0.875rem; font-weight: 600; color: var(--c-indigo); }

/* Comparison Table */
.comparison { padding: var(--space-24) 0; background: var(--c-white); }
.comp-table-wrapper { overflow-x: auto; }
.comp-table { width: 100%; border-collapse: collapse; min-width: 800px; }
.comp-table th, .comp-table td { padding: 1rem; text-align: center; border-bottom: 1px solid var(--c-border); }
.comp-table th:first-child, .comp-table td:first-child { text-align: left; font-weight: 500; }
.comp-table th { background: var(--c-light-gray); font-weight: 700; }
.lm-col { background: rgba(30,27,75,0.03); font-weight: 600; color: var(--c-indigo); border-left: 2px solid var(--c-indigo); border-right: 2px solid var(--c-indigo); }
.comp-table th.lm-col { background: var(--c-indigo); color: var(--c-white); border-top: 2px solid var(--c-indigo); border-radius: 8px 8px 0 0; }
.comp-table tr:last-child td.lm-col { border-bottom: 2px solid var(--c-indigo); border-radius: 0 0 8px 8px; }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--c-indigo), var(--c-teal));
  padding: var(--space-16) 0;
  text-align: center;
  color: var(--c-white);
}
.cta-banner h2 { font-size: 2.5rem; margin-bottom: var(--space-4); }
.cta-banner p { font-size: 1.25rem; opacity: 0.8; margin-bottom: var(--space-8); }
.cta-banner .btn-primary { background: var(--c-white); color: var(--c-indigo); }

/* Footer */
.footer { background: #0F172A; color: var(--c-white); padding: var(--space-16) 0 var(--space-4); }
.footer-logo { font-size: 1.5rem; font-weight: 700; color: var(--c-white); display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.footer-grid h4 { font-size: 1rem; margin-bottom: 1.5rem; font-weight: 600; }
.footer-grid ul li { margin-bottom: 0.75rem; }
.footer-grid a { color: #94A3B8; font-size: 0.875rem; transition: color 0.2s; }
.footer-grid a:hover { color: var(--c-white); }
.footer-bottom { border-top: 1px solid #1E293B; margin-top: var(--space-12); padding-top: var(--space-6); text-align: center; color: #64748B; font-size: 0.875rem; }

/* Auth Layout (Login / Register) */
.auth-split { display: flex; min-height: 100vh; }
.auth-left {
  flex: 0 0 45%;
  background: linear-gradient(135deg, var(--c-indigo), var(--c-teal));
  padding: var(--space-12);
  color: var(--c-white);
  display: flex;
  flex-direction: column;
}
.auth-right {
  flex: 0 0 55%;
  background: var(--c-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}
.auth-card {
  background: var(--c-white);
  padding: var(--space-8);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.05);
  width: 100%;
  max-width: 480px;
}
.auth-card-wide { max-width: 600px; }

/* Auth Forms */
.form-group { margin-bottom: var(--space-4); position: relative; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.5rem; color: var(--c-slate); }
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: 4px;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-control:focus { border-color: var(--c-blue); outline: none; }
.floating-label { position: absolute; left: 1rem; top: 0.8rem; color: var(--c-muted); transition: 0.2s; pointer-events: none; }
.form-control:focus + .floating-label, .form-control:not(:placeholder-shown) + .floating-label {
  top: -0.5rem; left: 0.5rem; background: var(--c-white); padding: 0 0.25rem; font-size: 0.75rem; color: var(--c-blue);
}

.auth-tabs { display: flex; border-bottom: 1px solid var(--c-border); margin-bottom: var(--space-6); }
.auth-tab { flex: 1; text-align: center; padding: 0.75rem; cursor: pointer; font-weight: 600; color: var(--c-muted); border-bottom: 2px solid transparent; }
.auth-tab.active { color: var(--c-indigo); border-bottom-color: var(--c-indigo); }
.auth-pane { display: none; }
.auth-pane.active { display: block; animation: fadeIn 0.3s; }

.divider { display: flex; align-items: center; text-align: center; margin: var(--space-6) 0; color: var(--c-muted); font-size: 0.875rem; }
.divider::before, .divider::after { content: ''; flex: 1; border-bottom: 1px solid var(--c-border); }
.divider:not(:empty)::before { margin-right: .25em; }
.divider:not(:empty)::after { margin-left: .25em; }

.otp-group { display: flex; gap: 0.5rem; justify-content: space-between; }
.otp-input { width: 3rem; height: 3.5rem; text-align: center; font-size: 1.5rem; border: 1px solid var(--c-border); border-radius: 4px; }

/* Wizard Steps */
.wizard-steps { display: flex; justify-content: space-between; margin-bottom: var(--space-8); position: relative; }
.wizard-steps::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 2px; background: var(--c-border); z-index: 1; }
.step-item { position: relative; z-index: 2; background: var(--c-white); padding: 0 0.5rem; color: var(--c-muted); font-weight: 600; font-size: 0.875rem; }
.step-item.active { color: var(--c-indigo); }
.step-item.completed { color: var(--c-emerald); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Mobile Responsiveness */
@media (max-width: 1280px) {
  .pricing-card.popular { transform: none; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .hero-content, .hero-visual { flex: 0 0 100%; }
  .hero .container { flex-direction: column; text-align: center; }
  .hero-visual { margin-top: var(--space-8); }
  .floating-badge { display: none; }
  
  .step-row, .step-row:nth-child(even) { flex-direction: column; }
  .step-row:nth-child(even) .step-text { order: 1; }
  .step-row:nth-child(even) .step-visual { order: 2; }
  
  .tab-content { flex-direction: column; }
  .comp-table-wrapper { padding-bottom: var(--space-4); }
  
  .auth-split { flex-direction: column; }
  .auth-left { display: none; }
  .auth-right { flex: 1; padding: var(--space-4); }
}