@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Professional White Theme Palette */
  --primary: #4f46e5; /* Professional Indigo */
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --bg-main: #ffffff;
  --bg-subtle: #f9fafb;
  --text-main: #111827; /* Near Black */
  --text-muted: #6b7280;
  --white: #ffffff;
  --border-color: #f3f4f6;
  --border-strong: #e5e7eb;
  
  /* Soft Apple-style Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #e5e7eb;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: #d1d5db;
}

h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.025em;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Professional Sectioning */
section {
  padding: 120px 0;
}

section:nth-child(odd) {
  background: var(--white);
}

section:nth-child(even) {
  background: var(--bg-subtle);
}

/* Clean UI Elements */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Professional Buttons */
.glow-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  text-decoration: none;
}

.glow-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.glow-btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--white);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  padding: 12px 24px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  border-color: #d1d5db;
}

/* Clean Cards */
.card {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

/* Input Fields */
.input-wrapper {
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  transition: all 0.2s;
}

.input-wrapper:focus-within {
  background: white;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.input-wrapper i {
  color: var(--text-muted);
  margin-right: 12px;
  font-size: 18px;
}

.input-wrapper input, 
.input-wrapper textarea {
  background: transparent;
  border: none;
  padding: 12px 0;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-main);
  width: 100%;
}

.input-wrapper input::placeholder {
  color: #9ca3af;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus {
  outline: none;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.logo {
  text-decoration: none;
  color: var(--text-main);
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  margin-left: 32px;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-link {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: 20px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: 0.3s;
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  
  .nav-right a.glow-btn, .nav-right a.open-auth {
    display: none;
  }
  
  .hamburger {
    display: flex;
  }
}

.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: white;
  padding: 20px;
  box-shadow: var(--shadow-md);
  transform: translateY(-100%);
  opacity: 0;
  transition: 0.3s;
  z-index: 999;
  pointer-events: none;
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 998;
  pointer-events: none;
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

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

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  display: block;
  padding: 12px 0;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-main), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Modals */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.auth-modal.open {
  display: flex;
  opacity: 1;
}

.auth-card {
  background: white;
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: #e2e8f0 transparent;
}

.auth-card::-webkit-scrollbar {
  width: 4px;
}
.auth-card::-webkit-scrollbar-track {
  background: transparent;
}
.auth-card::-webkit-scrollbar-thumb {
  background-color: #e2e8f0;
  border-radius: 4px;
}

.auth-modal.open .auth-card {
  transform: translateY(0);
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

/* Grid Responsiveness */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.features-grid .card {
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.features-grid .card:hover {
  transform: translateY(-8px);
}

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

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-flex {
    flex-direction: column;
    gap: 24px;
  }
}
/* Pricing Enhanced */
.pricing-header {
  text-align: center;
  margin-bottom: 60px;
}

.pricing-toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.pricing-toggle {
  background: var(--bg-subtle);
  padding: 4px;
  border-radius: 100px;
  display: flex;
  border: 1px solid var(--border-strong);
}

.toggle-opt {
  padding: 8px 24px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
}

.toggle-opt.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
}

.pricing-card:hover {
  transform: translateY(-8px);
}

.pricing-card.popular {
  border: 2px solid var(--primary);
  transform: scale(1.05);
  z-index: 2;
  box-shadow: 0 35px 60px -12px rgba(79, 70, 229, 0.2);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-8px);
  box-shadow: 0 40px 70px -12px rgba(79, 70, 229, 0.3);
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: white;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.price-container {
  margin: 24px 0;
}

.price-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.price-symbol {
  font-size: 24px;
  margin-right: 4px;
}

.price-period {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  text-align: left;
  flex-grow: 1;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-main);
}

.feature-list li i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 2px;
}

.feature-list li.disabled {
  color: var(--text-muted);
  opacity: 0.6;
}

.feature-list li.disabled i {
  color: var(--text-muted);
}

.positioning-tag {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-top: 24px;
  font-style: italic;
}

@media (max-width: 992px) {
  .pricing-card.popular {
    transform: scale(1);
    margin: 20px 0;
  }
}
/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  border-radius: 12px;
  background: white;
  color: var(--text-main);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10001;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(100px);
  opacity: 0;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border-strong);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }
.toast.toast-error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.toast.toast-info { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }

/* Responsive Sections & Components */
.section-padding { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 80px; }
.section-title { font-size: 48px; margin-bottom: 20px; font-weight: 900; letter-spacing: -0.02em; }
.section-subtitle { color: var(--text-muted); font-size: 18px; line-height: 1.6; max-width: 700px; margin: 0 auto; }

.badge-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; 
  background: var(--bg-subtle); border: 1px solid var(--border-strong); 
  border-radius: 100px; font-size: 13px; font-weight: 700; margin-bottom: 36px; text-transform: uppercase; letter-spacing: 0.05em;
}
.hero-image-wrapper { margin-top: 80px; position: relative; max-width: 1000px; margin-left: auto; margin-right: auto; }
.cta-box {
  margin-top: 120px; text-align: center; padding: 80px 60px; 
  background: linear-gradient(135deg, var(--primary), #6366f1); 
  border-radius: 32px; color: white; box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.25);
}

.cta-box h2 {
  font-size: 42px !important;
  margin-bottom: 20px !important;
}

.cta-box p {
  font-size: 18px !important;
  line-height: 1.7;
}
.footer-padding {
  padding: 100px 0 60px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-main);
}

.footer-padding .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-weight: 800;
  font-size: 20px;
}

.footer-padding a {
  transition: color 0.2s ease;
}

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

.feature-card { padding: 48px; border-radius: 24px; transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1); }
.feature-card.highlight-card { 
  border: 2px solid var(--primary);
  box-shadow: 0 25px 50px -12px rgba(79, 70, 229, 0.15);
}
.feature-card.highlight-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 35px 60px -12px rgba(79, 70, 229, 0.25);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.feature-card p {
  line-height: 1.7;
  font-size: 15px;
}
.feature-icon-wrapper {
  width: 64px; height: 64px; background: var(--bg-subtle); 
  border-radius: 16px; display: flex; align-items: center; justify-content: center; 
  margin-bottom: 28px; color: var(--primary); font-size: 28px; transition: all 0.3s ease;
}
.feature-card:hover .feature-icon-wrapper {
  background: rgba(79, 70, 229, 0.1);
  transform: scale(1.1);
}
.feature-icon-wrapper.primary-bg { background: rgba(99, 102, 241, 0.1); }
.feature-checklist { list-style: none; padding: 0; font-size: 14px; color: var(--text-main); font-weight: 600; }
.feature-checklist li { margin-bottom: 8px; }
.feature-checklist li i { color: var(--primary); margin-right: 8px; }
.feature-callout { background: var(--bg-subtle); padding: 12px 20px; border-radius: 12px; font-size: 13px; font-weight: 700; color: var(--primary); }

/* Responsive Enhancements */
.hero-section {
  padding-top: 180px;
  padding-bottom: 120px;
  text-align: center;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, transparent 100%);
}
.hero-title {
  font-size: 72px;
  line-height: 1.15;
  margin-bottom: 28px;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.hero-subtitle {
  font-size: 22px;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 56px;
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

@media (max-width: 768px) {
  .hero-section { padding-top: 120px; padding-bottom: 80px; }
  .hero-title { font-size: 44px; line-height: 1.2; margin-bottom: 20px; }
  .hero-subtitle { font-size: 18px; margin-bottom: 40px; }
  .hero-actions { flex-direction: column; padding: 0 16px; gap: 12px; }
  .hero-actions a { width: 100%; text-align: center; padding: 14px 32px !important; }
  
  section { padding: 80px 0; }
  .section-padding { padding: 80px 0; }
  .section-header { margin-bottom: 50px; }
  .section-title { font-size: 36px; }
  .section-subtitle { font-size: 16px; }
  .cta-box { padding: 60px 30px; margin-top: 80px; border-radius: 24px; }
  .cta-box h2 { font-size: 32px !important; }
  .cta-box p { font-size: 16px !important; }
  .footer-padding { padding: 60px 0; }
  .grid-3-col { grid-template-columns: 1fr; gap: 32px; margin: 40px 0; }
  
  .container { padding: 0 24px; }
  .card { padding: 28px !important; }
}

.grid-3-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin: 60px 0;
}

.grid-3-col-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

@media (max-width: 992px) {
  .grid-3-col { grid-template-columns: repeat(2, 1fr); }
  .grid-3-col-dashboard { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-3-col { grid-template-columns: 1fr; gap: 24px; }
  .grid-3-col-dashboard { grid-template-columns: 1fr; }
  .auth-card { padding: 24px !important; }
}

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

@media (max-width: 992px) {
  .grid-2-col { grid-template-columns: 1fr; }
}