@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&display=swap");

:root {
  /* Core Colors */
  --bg-body: #0f172a;
  --bg-darker: #0a0e27;
  --bg-card: #1e293b;
  --color-primary: #7c3aed;
  --color-blue: #0a92dd;
  --color-accent: #ec4899;
  --color-white: #f1f5f9;
  --color-gray-300: #cbd5e1;
  --color-gray-600: #475569;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, var(--bg-body) 0%, #2a1030 100%);
  --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  --gradient-purple-blue: linear-gradient(135deg, #7c3aed 0%, #0a92dd 100%);

  /* Transitions */
  --transition-duration: 0.3s;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

  /* Legacy variables (for compatibility) */
  --payflo-purple: 124 58 237;
  --payflo-pink: 236 72 153;
  --payflo-blue: 59 130 246;
  --payflo-dark: 15 23 42;
  --payflo-darker: 2 6 23;
  --payflo-gray: 30 41 59;
}

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

html {
  scroll-behavior: smooth;
  font-family:
    Nunito,
    Helvetica Neue,
    Helvetica,
    Arial,
    sans-serif;
  font-size: 1.2rem;
  line-height: 1.6;
}

body {
  background: var(--gradient-brand);
  color: var(--color-white);
  line-height: 1.6;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Grid Pattern Background */
.bg-grid-pattern {
  background-image: url("/grid-pattern.svg");
  background-repeat: repeat;
}

/* Container */
.container-custom {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  max-width: 80rem;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .container-custom {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 992px) {
  .container-custom {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Section Spacing */
.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 768px) {
  .section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  transition: all var(--transition-timing);
  transition-duration: var(--transition-duration);
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
  min-height: 48px;
  min-width: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 7px 14px rgba(50, 50, 93, 0.1),
    0 3px 6px rgba(0, 0, 0, 0.08);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border: 2px solid transparent;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn-primary:hover {
  background-color: #6d28d9;
}

.btn-secondary {
  border: 1px solid #e5e7eb;
  background-color: white;
  color: #0f172a;
}

.btn-secondary:hover {
  background-color: #f9fafb;
}

/* Ripple Effect */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.7);
  width: 20px;
  height: 20px;
  margin-top: -10px;
  margin-left: -10px;
  animation: ripple 0.6s linear;
  pointer-events: none;
}

/* Cards */
.feature-card {
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-timing);
  transition-duration: var(--transition-duration);
  min-height: 200px;
}

.feature-card:hover,
.feature-card:focus-within {
  box-shadow:
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.testimonial-card {
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(12px);
  padding: 2rem;
  transition: all var(--transition-timing);
  transition-duration: var(--transition-duration);
  min-height: 200px;
}

.testimonial-card:hover,
.testimonial-card:focus-within {
  border-color: rgba(124, 58, 237, 0.3);
  background-color: rgba(30, 41, 59, 0.6);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(-8px);
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.1) !important;
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
}

.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(35px);
  -webkit-backdrop-filter: blur(35px);
  border-radius: 20px;
  box-shadow: 0 0 80px rgba(0, 0, 0, 0.25);
}

/* Gradient Text */
.gradient-text {
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-image: var(--gradient-purple-blue);
}

/* Header / Navigation */
header {
  transition: all var(--transition-duration) ease;
}

header.scrolled {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(10, 14, 39, 0.9);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  color: inherit;
  text-decoration: none;
}

nav a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-duration) ease;
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

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

.active-nav-link::after {
  width: 100%;
}

/* Mobile Menu */
#mobile-menu {
  max-height: 0;
  opacity: 0;
  transition: all 0.3s ease-in-out;
  overflow: hidden;
}

#mobile-menu.mobile-menu-open {
  max-height: 500px;
  opacity: 1;
}

#mobile-menu.mobile-menu-closing {
  max-height: 0;
  opacity: 0;
}

#menu-toggle {
  cursor: pointer;
}

#menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

#menu-toggle svg {
  transition: transform var(--transition-duration) ease;
}

#menu-toggle.menu-open svg {
  transform: rotate(90deg);
}

/* Animations */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes scaleUp {
  0% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes slideInRight {
  0% {
    opacity: 0;
    transform: translate(30px);
  }
  100% {
    opacity: 1;
    transform: translate(0);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.8s var(--transition-timing) forwards;
  animation-play-state: paused;
}

.animate-on-scroll.animated {
  animation-play-state: running;
}

.delay-0 {
  animation-delay: 0s;
}
.delay-1 {
  animation-delay: 0.1s;
}
.delay-2 {
  animation-delay: 0.2s;
}
.delay-3 {
  animation-delay: 0.3s;
}
.delay-4 {
  animation-delay: 0.4s;
}
.delay-5 {
  animation-delay: 0.5s;
}

/* FAQ Component */
.faq-item {
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  transition: all var(--transition-duration) ease;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 1rem;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
  border: 2px solid transparent;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.faq-content {
  max-height: 0;
  opacity: 0;
  transition: all 0.5s var(--transition-timing);
  padding: 0 1rem;
}

.faq-content.faq-open {
  max-height: 500px;
  opacity: 1;
  padding: 1rem;
}

.faq-summary-open {
  color: var(--color-primary);
}

/* Scroll Progress Bar */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(
    to right,
    var(--color-primary),
    var(--color-blue)
  );
  z-index: 100;
  width: 0%;
  transition: width 0.1s ease;
}

/* Hover Effects */
.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform var(--transition-duration) ease;
  max-width: 100%;
  height: auto;
  display: block;
}

.hover-zoom:hover img {
  transform: scale(1.05);
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Focus States */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.js-focus-visible *:focus:not(.focus-visible) {
  outline: none;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 16px;
  border-radius: 4px;
  text-decoration: none;
  z-index: 1000;
  transition: top var(--transition-duration);
  font-weight: 600;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.skip-link:focus {
  top: 6px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: var(--color-white);
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

ul,
ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin: 0.5rem 0;
  line-height: 1.8;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-duration) ease;
}

a:hover {
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Utility: Border transparent for last child */
.last\:border-0:last-child {
  border-width: 0;
}

/* Responsive breakpoints */
@media (min-width: 320px) {
  .container-custom {
    max-width: 320px;
  }
}

@media (min-width: 480px) {
  .container-custom {
    max-width: 480px;
  }
}

@media (min-width: 576px) {
  .container-custom {
    max-width: 576px;
  }
}

@media (min-width: 768px) {
  .container-custom {
    max-width: 768px;
  }
}

@media (min-width: 992px) {
  .container-custom {
    max-width: 992px;
  }
}

@media (min-width: 1200px) {
  .container-custom {
    max-width: 1200px;
  }
}

@media (min-width: 1536px) {
  .container-custom {
    max-width: 1536px;
  }
}

/* Mobile Navigation Toggle States */
[data-toggle-nav][data-open-nav="true"] #line1 {
  transform: translateY(0.375rem) rotate(40deg);
}

[data-toggle-nav][data-open-nav="true"] #line2 {
  transform: scaleX(0);
  opacity: 0;
}

[data-toggle-nav][data-open-nav="true"] #line3 {
  transform: translateY(-0.375rem) rotate(-40deg);
}

[data-nav-overlay][data-is-visible="true"] {
  visibility: visible;
  display: flex;
}

/* Dark mode overrides */
.dark {
  --color-bg: 2 6 23;
  --color-box: 30 41 59;
  --box-border: 243 244 246 / 0.1;
  --box-sd: transparent;
  --heading-1: 255 255 255;
  --heading-2: 243 244 246;
  --heading-3: 209 213 219;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-duration: 0.01ms;
    --transition-timing: linear;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Prefers color scheme: dark */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--bg-body);
    color: var(--color-white);
  }
}