/* ========================================
   rusyaeticaret.com — Custom Styles
   ======================================== */

/* Smooth scroll */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

/* Font import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Scroll reveal animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse-slow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes dash-flow {
  to { stroke-dashoffset: -20; }
}

/* Reveal classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.revealed > *:nth-child(8) { transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(9) { transition-delay: 0.45s; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-left, .reveal-right { opacity: 1; transform: none; transition: none; }
  .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
  .animate-pulse-slow, .animate-float { animation: none; }
}

/* Pulse slow utility */
.animate-pulse-slow { animation: pulse-slow 3s ease-in-out infinite; }
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-dash-flow { animation: dash-flow 1.5s linear infinite; }

/* Hero data visualization */
.hero-viz-card {
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(99, 102, 241, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-viz-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.15);
}

/* Connection line */
.connection-line {
  position: absolute;
  background: linear-gradient(90deg, #6366f1, #a5b4fc);
  height: 2px;
  opacity: 0.4;
}

/* Navbar */
.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Mobile menu */
.mobile-menu-open {
  overflow: hidden;
}

/* FAQ Accordion */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
}

.faq-answer.open {
  max-height: 500px;
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* Form step transitions */
.form-step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.form-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

/* Progress bar */
.progress-fill {
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Service tab */
.service-tab {
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.service-tab.active {
  border-left-color: #4f46e5;
  background: #eef2ff;
  color: #312e81;
}

.service-tab:hover:not(.active) {
  background: #f8fafc;
}

.service-content {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-content.active {
  display: block;
  opacity: 1;
}

/* Profitability waterfall */
.waterfall-item {
  transition: transform 0.3s ease;
}

.waterfall-item:hover {
  transform: scale(1.02);
}

/* Knowledge hub cards */
.knowledge-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

/* Mobile sticky CTA */
.mobile-sticky-cta {
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid #4f46e5;
  outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Before/After localization */
.localization-before {
  background: #fef2f2;
  border-left: 3px solid #ef4444;
}

.localization-after {
  background: #f0fdf4;
  border-left: 3px solid #16a34a;
}

/* Methodology connector line */
.methodology-connector {
  position: relative;
}

.methodology-connector::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #c7d2fe);
}

.methodology-connector:last-child::after {
  display: none;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, #4f46e5, #2e90fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section spacing */
section {
  scroll-margin-top: 5rem;
}

/* Checkbox custom */
.custom-checkbox {
  accent-color: #4f46e5;
}

/* Badge */
.badge {
  letter-spacing: 0.05em;
}

/* Journey card hover */
.journey-card {
  transition: all 0.3s ease;
}

.journey-card:hover {
  border-color: #6366f1;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.12);
}

/* Audit dashboard grid item */
.audit-metric {
  transition: all 0.3s ease;
}

.audit-metric:hover {
  background: #eef2ff;
  border-color: #6366f1;
}

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