/* Neodypay Enterprise Card Issuing Platform - Main Styles */

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

:root {
  /* Colors */
  --color-background: #0a0a0a;
  --color-background-secondary: #1a1a1a;
  --color-primary: #ff6900;
  --color-primary-hover: #ff7a1a;
  --color-accent: #cf2e2e;
  --color-accent-hover: #e03434;
  --color-text-primary: #ffffff;
  --color-text-secondary: #a0a0a0;

  /* Spacing */
  --spacing-section-mobile: 64px;
  --spacing-section-desktop: 128px;
  --container-max-width: 1440px;

  /* Border Radius */
  --radius-card: 12px;
  --radius-button: 8px;

  /* Shadows */
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 600ms ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.text-hero {
  font-size: clamp(40px, 8vw, 72px);
  line-height: 1.1;
  font-weight: 700;
}

.text-display {
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.1;
  font-weight: 700;
}

.text-headline {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.2;
  font-weight: 600;
}

.text-title {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.2;
  font-weight: 600;
}

.text-subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.3;
  font-weight: 500;
}

.text-body {
  font-size: 16px;
  line-height: 1.6;
}

.text-small {
  font-size: 14px;
  line-height: 1.5;
}

.text-tiny {
  font-size: 12px;
  line-height: 1.4;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Section Spacing */
.section {
  padding-top: var(--spacing-section-mobile);
  padding-bottom: var(--spacing-section-mobile);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--spacing-section-desktop);
    padding-bottom: var(--spacing-section-desktop);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-button);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: scale(1.02);
}

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: scale(1.02);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.02);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 18px;
}

/* Cards */
.card {
  background-color: var(--color-background-secondary);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: 1fr;
}

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

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    gap: 2rem;
  }
}

.nav-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 24px;
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-background);
  padding: 2rem;
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

.hero-title {
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.4s backwards;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-in-left {
  animation: slideInLeft 0.7s ease;
}

.slide-in-right {
  animation: slideInRight 0.7s ease;
}

.scale-in {
  animation: scaleIn 0.5s ease;
}

/* Scroll Animations */
.scroll-animate {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
  opacity: 1;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

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

@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: 16px;
}

/* Footer */
.footer {
  background-color: var(--color-background-secondary);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

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

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h3 {
  font-size: 18px;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 14px;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}