/* ---------- CSS Variables ---------- */
:root {
  --brand-green: #2cc84d;
  --brand-green-dark: #24a840;
  --brand-green-light: #e6f9ec;
  --brand-dark: #1a1a2e;
  --brand-gray: #6b7280;
  --brand-light-bg: #f8fafc;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.14);
}

/* ---------- Smooth scroll ---------- */
html {
  scroll-behavior: smooth;
}

/* ---------- Keyframe Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(60px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---------- Scroll-Triggered Animation Classes ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out-expo),
              transform 0.8s var(--ease-out-expo);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.animate-left {
  transform: translateX(-50px);
}
.animate-on-scroll.animate-left.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-right {
  transform: translateX(50px);
}
.animate-on-scroll.animate-right.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-scale {
  transform: scale(0.85);
}
.animate-on-scroll.animate-scale.animated {
  transform: scale(1);
}

/* Stagger delays for children */
.stagger-1 { transition-delay: 0.1s !important; }
.stagger-2 { transition-delay: 0.2s !important; }
.stagger-3 { transition-delay: 0.3s !important; }
.stagger-4 { transition-delay: 0.4s !important; }
.stagger-5 { transition-delay: 0.5s !important; }
.stagger-6 { transition-delay: 0.6s !important; }
.stagger-7 { transition-delay: 0.7s !important; }
.stagger-8 { transition-delay: 0.8s !important; }

/* ---------- Hero Section ---------- */
.hero-heading {
  animation: fadeInLeft 0.9s ease-out both;
}

.hero-subtext {
  animation: fadeInLeft 0.9s 0.2s ease-out both;
}

.hero-buttons {
  animation: fadeInUp 0.8s 0.4s ease-out both;
}

.hero-services {
  animation: fadeInUp 0.8s 0.55s ease-out both;
}

.hero-illustration {
  animation: fadeInRight 1s 0.3s ease-out both;
}

.hero-float {
  animation: float 5s ease-in-out infinite;
}

/* ---------- Header ---------- */
.header-fixed {
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header-fixed.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(8px);
}

/* Nav link hover underline */
.nav-link {
  position: relative;
  transition: color var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--brand-green);
  transition: width var(--transition-base);
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link:hover {
  color: var(--brand-green);
}

/* ---------- Buttons ---------- */
.btn-primary {
  background: var(--brand-green);
  color: #fff;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}
.btn-primary:hover::before {
  transform: translateX(100%);
}
.btn-primary:hover {
  background: var(--brand-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(44, 200, 77, 0.35);
}

.btn-outline {
  border: 2px solid var(--brand-green);
  color: var(--brand-green);
  transition: all var(--transition-base);
}
.btn-outline:hover {
  background: var(--brand-green);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(44, 200, 77, 0.25);
}

/* ---------- Cards ---------- */
.card-hover {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

/* Service card */
.service-card {
  transition: all var(--transition-base);
  cursor: pointer;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--brand-green);
}

/* ---------- Service Pill (hero icons) ---------- */
.service-pill {
  transition: all var(--transition-base);
}
.service-pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--brand-green);
}

/* ---------- Advantage Item ---------- */
.advantage-item {
  transition: transform var(--transition-base);
}
.advantage-item:hover {
  transform: scale(1.05);
}

/* ---------- Partner Logo ---------- */
.partner-logo {
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all var(--transition-base);
}
.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.08);
}

/* ---------- Pricing Card ---------- */
.pricing-card {
  transition: all var(--transition-base);
  position: relative;
}
.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}
.pricing-card.bestseller {
  border: 2px solid var(--brand-green);
}
.pricing-card .bestseller-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-green);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 20px;
  border-radius: 9999px;
  white-space: nowrap;
}

/* ---------- Pricing Tabs ---------- */
.pricing-tab {
  transition: all var(--transition-base);
  cursor: pointer;
}
.pricing-tab.active {
  background: var(--brand-green);
  color: #fff;
  box-shadow: 0 4px 14px rgba(44, 200, 77, 0.3);
}

/* ---------- FAQ Accordion ---------- */
.faq-item {
  transition: all var(--transition-base);
}
.faq-item:hover {
  background: var(--brand-light-bg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
  max-height: 600px;
  padding-top: 0.75rem;
}
.faq-chevron {
  transition: transform 0.3s ease;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

/* ---------- Testimonial Card ---------- */
.testimonial-card {
  transition: all var(--transition-base);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

/* ---------- Case Study Card ---------- */
.case-card {
  transition: all var(--transition-base);
  overflow: hidden;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}
.case-card:hover .case-thumb {
  transform: scale(1.06);
}
.case-thumb {
  transition: transform 0.5s ease;
}

/* ---------- CTA Banner Gradient ---------- */
.cta-gradient {
  background: linear-gradient(135deg, #2cc84d 0%, #1fa03d 50%, #2cc84d 100%);
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
}

/* ---------- Green Circle Decoration ---------- */
.green-circle-bg {
  position: relative;
}
.green-circle-bg::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(44,200,77,0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Counter Animation ---------- */
.counter-value {
  font-variant-numeric: tabular-nums;
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open {
  transform: translateX(0);
}

.mobile-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Hamburger ---------- */
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  margin: 5px 0;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Tab Content ---------- */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
  animation: fadeInUp 0.5s var(--ease-out-expo) both;
}

/* ---------- Service Card Expand ---------- */
.service-description {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.service-card.expanded .service-description {
  max-height: 300px;
}
.service-card .expand-icon {
  transition: transform 0.3s ease;
}
.service-card.expanded .expand-icon {
  transform: rotate(180deg);
}

/* ---------- Verified Badge ---------- */
.verified-badge {
  transition: all var(--transition-base);
}
.verified-badge:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-card);
}

/* ---------- Scroll to Top Button ---------- */
.scroll-top-btn {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #c4c4c4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #a0a0a0;
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 768px) {
  .hero-heading {
    animation: fadeInUp 0.8s ease-out both;
  }
  .hero-illustration {
    animation: fadeInUp 0.8s 0.2s ease-out both;
  }
  .green-circle-bg::before {
    width: 200px;
    height: 200px;
    top: -50px;
    right: -50px;
  }
}

@media (max-width: 480px) {
  .pricing-tabs-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ---------- Accessibility: Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-heading,
  .hero-subtext,
  .hero-buttons,
  .hero-services,
  .hero-illustration,
  .hero-float {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ---------- Focus Visible ---------- */
:focus-visible {
  outline: 2px solid var(--brand-green);
  outline-offset: 2px;
}

/* ---------- Print Styles ---------- */
@media print {
  .animate-on-scroll { opacity: 1 !important; transform: none !important; }
  .header-fixed { position: static !important; }
  .mobile-menu, .mobile-overlay, .scroll-top-btn, .hamburger { display: none !important; }
}