@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --color-primary: #6C3CE9;
  --color-primary-dark: #4B21B8;
  --color-primary-light: #9B7BF5;
  --color-secondary: #0F1229;
  --color-secondary-light: #1C2140;
  --color-accent: #00E5C7;
  --color-accent-warm: #FF6B9D;
  --color-bg: #0A0C1B;
  --color-bg-light: #F7F7FC;
  --color-text-dark: #12142B;
  --color-text-light: #F4F3FF;
  --gradient-main: linear-gradient(135deg, #6C3CE9 0%, #00E5C7 100%);
  --gradient-dark: linear-gradient(135deg, #0A0C1B 0%, #1C2140 100%);
  --shadow-glow: 0 0 30px rgba(108, 60, 233, 0.35);
  --shadow-card: 0 10px 40px rgba(15, 18, 41, 0.15);
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-light);
}
::-webkit-scrollbar-thumb {
  background: var(--gradient-main);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid rgba(108, 60, 233, 0.1);
  box-shadow: 0 2px 20px rgba(15, 18, 41, 0.06);
  transition: var(--transition-base);
}

.logo-glow {
  filter: drop-shadow(0 0 8px rgba(108, 60, 233, 0.4));
  transition: var(--transition-base);
}
.logo-glow:hover {
  filter: drop-shadow(0 0 14px rgba(0, 229, 199, 0.6));
}

.nav-link {
  position: relative;
  font-weight: 600;
  color: var(--color-text-dark);
  transition: var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  cursor: pointer;
}

.mobile-menu {
  background-color: #ffffff;
  border-top: 1px solid rgba(108, 60, 233, 0.1);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient-main);
  color: #ffffff;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(108, 60, 233, 0.35);
  transition: var(--transition-base);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(108, 60, 233, 0.5);
  color: #ffffff;
}
.btn-primary:active {
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  transition: var(--transition-base);
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-secondary);
  color: var(--color-accent);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 229, 199, 0.3);
  transition: var(--transition-base);
  cursor: pointer;
}
.btn-dark:hover {
  box-shadow: 0 0 25px rgba(0, 229, 199, 0.4);
  border-color: var(--color-accent);
}

/* Cards */
.tech-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(108, 60, 233, 0.08);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}
.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.tech-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(108, 60, 233, 0.18);
}
.tech-card:hover::before {
  transform: scaleX(1);
}

.icon-badge {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(108, 60, 233, 0.12), rgba(0, 229, 199, 0.12));
  color: var(--color-primary);
  font-size: 1.75rem;
}

/* Dark section */
.section-dark {
  background: var(--gradient-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(108, 60, 233, 0.25), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 229, 199, 0.2), transparent 50%);
  pointer-events: none;
}
.section-dark h1, .section-dark h2, .section-dark h3 {
  color: #ffffff;
}
.section-dark p {
  color: #C9CBE0;
}

/* Accordion */
.accordion-item {
  border-bottom: 1px solid rgba(108, 60, 233, 0.15);
}
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-text-dark);
  transition: var(--transition-base);
}
.accordion-header:hover {
  color: var(--color-primary);
}
.accordion-header .accordion-icon {
  transition: transform 0.3s ease;
  color: var(--color-primary);
}
.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}
.accordion-content {
  display: none;
  padding: 0 0.5rem 1.25rem;
  color: #4B4D63;
  line-height: 1.7;
}

/* Forms */
.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  border: 2px solid #E4E2F5;
  background-color: #ffffff;
  color: var(--color-text-dark);
  transition: var(--transition-base);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(108, 60, 233, 0.15);
}
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}
textarea.form-input {
  resize: vertical;
  min-height: 140px;
}

.form-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--color-primary);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--color-secondary);
  color: var(--color-text-light);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -6px 30px rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(0, 229, 199, 0.25);
}
.cookie-banner h3 {
  color: #ffffff;
}
.cookie-banner p {
  color: #C9CBE0;
}
.cookie-banner a {
  color: #7FF0DE;
  text-decoration: underline;
}

/* Loading spinner */
.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(108, 60, 233, 0.15);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s ease forwards;
}
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

.pulse-glow {
  animation: pulseGlow 2.5s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(108, 60, 233, 0.3); }
  50% { box-shadow: 0 0 40px rgba(0, 229, 199, 0.4); }
}

.float {
  animation: floatY 4s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* Grid layouts */
.grid-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

/* Section badges */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: rgba(108, 60, 233, 0.1);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Gradient text */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Hexagon / tech decorative shape */
.tech-grid-bg {
  background-image: linear-gradient(rgba(108, 60, 233, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 60, 233, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Testimonial */
.quote-mark {
  font-size: 4rem;
  line-height: 1;
  color: var(--color-primary-light);
  opacity: 0.4;
  font-family: Georgia, serif;
}

/* Footer */
.site-footer {
  background: var(--color-secondary);
  color: var(--color-text-light);
}
.site-footer h4 {
  color: #ffffff;
}
.site-footer p, .site-footer li, .site-footer span {
  color: #B7B9D4;
}
.site-footer a {
  color: #B7B9D4;
  transition: var(--transition-base);
}
.site-footer a:hover {
  color: var(--color-accent);
}
.footer-social-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  transition: var(--transition-base);
}
.footer-social-icon:hover {
  background: var(--gradient-main);
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .form-container {
    padding: 1.5rem;
  }
  .tech-card {
    padding: 1.5rem;
  }
}