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

:root {
  /* Colors */
  --bg-primary: #080A10;       /* Midnight Charcoal */
  --bg-secondary: #111625;     /* Card background */
  --bg-tertiary: #192033;      /* Interactive / Hover background */
  
  --text-primary: #F8FAFC;     /* Slate 50 */
  --text-secondary: #94A3B8;   /* Slate 400 */
  --text-muted: #64748B;      /* Slate 500 */
  
  --color-brand: #2563EB;      /* Solid Brand Royal Blue */
  --color-brand-hover: #1D4ED8;
  
  --color-accent: #10B981;     /* Solid Emerald Green */
  --color-accent-hover: #059669;
  
  --color-border: #1E293B;     /* Slate 800 */
  --color-border-hover: #334155;
  --color-border-focus: #3B82F6;
  
  --color-warning: #F59E0B;    /* Amber */
  --color-error: #EF4444;      /* Red */
  
  /* Layout & Spacing */
  --container-max: 1200px;
  --header-height: 80px;
  
  /* Borders */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 800; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
}

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

/* Utilities */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.text-center { text-align: center; }
.text-brand { color: var(--color-brand); }
.text-accent { color: var(--color-accent); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
}

.badge-warning {
  border-color: var(--color-warning);
  color: var(--color-warning);
  background-color: rgba(245, 158, 11, 0.05);
}

.badge-brand {
  border-color: var(--color-brand);
  color: var(--color-brand);
  background-color: rgba(37, 99, 235, 0.05);
}

.badge-accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(16, 185, 129, 0.05);
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background-color: rgba(8, 10, 16, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-sub {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  display: block;
  margin-top: -4px;
}

.logo-svg {
  height: 32px;
  width: 32px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--color-brand);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-brand-hover);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--color-border);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* Forms & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-group {
  position: relative;
  display: flex;
  width: 100%;
}

.input-field {
  width: 100%;
  padding: 14px 18px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.input-field:focus {
  border-color: var(--color-border-focus);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 640px) {
  .waitlist-form {
    flex-direction: row;
    gap: 8px;
  }
  .waitlist-form .input-field {
    flex: 1;
  }
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 100px 0;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero .badge {
  margin-bottom: 24px;
}

.hero-banner {
  background-color: rgba(239, 68, 68, 0.08);
  border: 1px solid var(--color-error);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  max-width: 550px;
  margin: 0 auto 36px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero-banner svg {
  color: var(--color-error);
  flex-shrink: 0;
}

/* How It Works */
.how-it-works {
  background-color: rgba(17, 22, 37, 0.4);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  max-width: 650px;
  margin: 0 auto 60px auto;
}

.section-title h2 {
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.step-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .step-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
}

.step-number {
  position: absolute;
  top: 24px;
  right: 32px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
}

.step-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--color-brand);
}

.step-card:nth-child(2) .step-icon {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
}

.step-card:nth-child(3) .step-icon {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.step-card h3 {
  margin-bottom: 16px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  padding: 32px;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9375rem;
}

/* Cost & Stack Comparison */
.comparison-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 992px) {
  .comparison-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.comparison-left h2 {
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.comparison-left p {
  margin-bottom: 32px;
}

.stack-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.stack-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stack-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.stack-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.stack-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stack-item-name {
  font-weight: 500;
  font-size: 0.9375rem;
}

.stack-item-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.stack-item-cost {
  font-weight: 600;
  color: var(--color-error);
}

.stack-total {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 2px dashed var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stack-total-label {
  font-weight: 700;
  font-size: 1.125rem;
}

.stack-total-cost {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-error);
}

.stack-benefit-card {
  background-color: rgba(37, 99, 235, 0.05);
  border: 1px solid var(--color-brand);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.benefit-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 24px 0;
}

.benefit-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9375rem;
}

.benefit-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Pricing Page Styles */
.pricing-header {
  padding: 160px 0 60px 0;
}

.toggle-container {
  display: inline-flex;
  background-color: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-top: 32px;
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background-color: var(--color-brand);
  color: #FFFFFF;
}

/* SaaS Tiers */
.saas-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 50px;
}

@media (min-width: 768px) {
  .saas-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-normal);
}

.pricing-card.featured {
  border-color: var(--color-brand);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-brand);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.pricing-card.featured:hover {
  border-color: var(--color-brand-hover);
}

.price-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 44px;
}

.price-value {
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
}

.price-amount {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-period {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-left: 4px;
}

.pricing-features-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 40px;
  margin-top: auto;
}

.pricing-features li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.pricing-features svg {
  color: var(--color-brand);
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-card.featured .pricing-features svg {
  color: var(--color-accent);
}

/* Managed Section */
.managed-section {
  border-top: 1px solid var(--color-border);
  background-color: rgba(17, 22, 37, 0.4);
}

.managed-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.managed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 768px) {
  .managed-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.managed-details h3 {
  margin-bottom: 24px;
}

.managed-details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.managed-details-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.managed-details-list svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.managed-pricing {
  background-color: var(--bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100%;
}

.managed-roi-calc {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

.roi-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.roi-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* FAQ Section */
.faq-section {
  border-top: 1px solid var(--color-border);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question svg {
  color: var(--text-secondary);
  transition: transform var(--transition-fast);
}

.faq-question.active svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer-inner {
  padding: 0 24px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--bg-primary);
  padding: 60px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-about p {
  margin-top: 16px;
  font-size: 0.9375rem;
  max-width: 320px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.footer-nav a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

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

/* Modal Waitlist Success styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(8, 10, 16, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 450px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
}

.modal-content h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.modal-content p {
  font-size: 0.9375rem;
  margin-bottom: 28px;
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

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

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 32px;
  text-align: center;
}

.mobile-nav-link {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
}