@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: #6D28D9;
  --color-primary-dark: #4C1D95;
  --color-primary-light: #A78BFA;
  --color-secondary: #0EA5A5;
  --color-accent: #F59E0B;
  --color-accent-2: #EC4899;
  --color-bg-dark: #0F0B1E;
  --color-bg-darker: #0A0714;
  --color-surface: #1A1430;
  --color-surface-light: #241C3D;
  --color-text-light: #E9E4F5;
  --color-text-muted: #B8AFD1;
  --gradient-main: linear-gradient(135deg, #6D28D9 0%, #0EA5A5 100%);
  --gradient-warm: linear-gradient(135deg, #F59E0B 0%, #EC4899 100%);
  --shadow-glow: 0 0 30px rgba(109, 40, 217, 0.35);
  --shadow-glow-cyan: 0 0 25px rgba(14, 165, 165, 0.3);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: #FAFAFC;
  color: #1F2937;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--gradient-main);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  box-shadow: 0 2px 12px rgba(109, 40, 217, 0.06);
  transition: var(--transition-base);
}

.site-header .logo-mark {
  filter: drop-shadow(0 2px 4px rgba(109, 40, 217, 0.2));
}

.nav-link {
  position: relative;
  color: #374151;
  font-weight: 500;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width 0.3s ease;
}

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

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* Mobile Menu */
.mobile-menu {
  background-color: #FFFFFF;
  border-top: 1px solid #E5E7EB;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.mobile-menu-toggle {
  color: var(--color-primary);
  font-size: 1.75rem;
  transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
  color: var(--color-accent-2);
  transform: rotate(90deg);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--gradient-main);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 9999px;
  border: none;
  box-shadow: var(--shadow-glow);
  transition: var(--transition-base);
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 40px rgba(109, 40, 217, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.9rem;
  background: transparent;
  color: var(--color-primary);
  font-weight: 600;
  border-radius: 9999px;
  border: 2px solid var(--color-primary);
  transition: var(--transition-base);
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--gradient-warm);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 0.5rem;
  border: none;
  box-shadow: 0 8px 20px rgba(236, 72, 153, 0.3);
  transition: var(--transition-base);
  cursor: pointer;
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(236, 72, 153, 0.45);
}

/* Dark Sections */
.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(109, 40, 217, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.section-dark h2,
.section-dark h3 {
  color: #FFFFFF;
}

.section-dark p {
  color: var(--color-text-muted);
}

.section-dark a {
  color: var(--color-primary-light);
}

.section-dark a:hover {
  color: var(--color-accent);
}

/* Cards */
.tech-card {
  background: #FFFFFF;
  border-radius: 1rem;
  border: 1px solid #EEF0F5;
  padding: 2rem;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.tech-card:hover {
  box-shadow: 0 15px 40px rgba(109, 40, 217, 0.15);
  transform: translateY(-6px);
}

.tech-card:hover::before {
  transform: scaleX(1);
}

.tech-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-glow);
}

.card-dark {
  background: var(--color-surface);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: 1rem;
  padding: 2rem;
  color: var(--color-text-light);
  transition: var(--transition-base);
}

.card-dark:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.card-dark h3 {
  color: #FFFFFF;
}

.card-dark p {
  color: var(--color-text-muted);
}

/* Static Info / Pricing Cards (non-interactive) */
.static-card {
  background: #FFFFFF;
  border-radius: 1rem;
  border: 1px solid #E5E7EB;
  padding: 2rem;
  cursor: default;
}

.static-card-featured {
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  border-radius: 1rem;
  padding: 2rem;
  color: var(--color-text-light);
  cursor: default;
  position: relative;
}

.static-card-featured h3,
.static-card-featured h4 {
  color: #FFFFFF;
}

.static-card-featured p {
  color: var(--color-text-muted);
}

.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-warm);
  color: #FFFFFF;
  padding: 0.35rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.4);
}

/* Accordion */
.accordion-item {
  border: 1px solid #E5E7EB;
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
  transition: var(--transition-base);
}

.accordion-item:hover {
  border-color: var(--color-primary-light);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  background: #FFFFFF;
  font-weight: 600;
  color: #1F2937;
  transition: var(--transition-base);
}

.accordion-header:hover {
  background: #F9F7FF;
}

.accordion-header.active {
  background: var(--color-primary);
  color: #FFFFFF;
}

.accordion-header i {
  transition: transform 0.3s ease;
}

.accordion-header.active i {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: #4B5563;
  background: #FFFFFF;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #1F2937;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid #E5E7EB;
  border-radius: 0.6rem;
  background: #FFFFFF;
  color: #1F2937;
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(109, 40, 217, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #9CA3AF;
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-card {
  background: #FFFFFF;
  border-radius: 1.25rem;
  padding: 2.5rem;
  box-shadow: 0 20px 60px rgba(109, 40, 217, 0.1);
  border: 1px solid #F0EDFB;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-bg-darker);
  color: var(--color-text-light);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(167, 139, 250, 0.2);
}

.cookie-banner h3 {
  color: #FFFFFF;
}

.cookie-banner p {
  color: var(--color-text-muted);
}

.cookie-banner a {
  color: #93C5FD;
  text-decoration: underline;
}

.cookie-banner a:hover {
  color: #BFDBFE;
}

.cookie-btn-accept {
  background: var(--gradient-main);
  color: #FFFFFF;
  padding: 0.7rem 1.75rem;
  border-radius: 9999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.cookie-btn-accept:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.cookie-btn-decline {
  background: transparent;
  color: var(--color-text-muted);
  padding: 0.7rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  border: 1px solid rgba(184, 175, 209, 0.4);
  cursor: pointer;
  transition: var(--transition-base);
}

.cookie-btn-decline:hover {
  color: #FFFFFF;
  border-color: #FFFFFF;
}

/* Hero */
.hero-gradient {
  background: var(--color-bg-dark);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(109, 40, 217, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(14, 165, 165, 0.2) 0%, transparent 40%);
  position: relative;
}

.hero-grid-pattern {
  background-image:
    linear-gradient(rgba(167, 139, 250, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(167, 139, 250, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

/* Loading Spinner */
.loader-spinner {
  width: 3rem;
  height: 3rem;
  border: 4px solid rgba(109, 40, 217, 0.15);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-up {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(109, 40, 217, 0.3); }
  50% { box-shadow: 0 0 40px rgba(109, 40, 217, 0.55); }
}

.pulse-glow {
  animation: pulseGlow 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.float-anim {
  animation: float 4s ease-in-out infinite;
}

/* Stats */
.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Timeline (about page) */
.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 2.5rem;
  border-left: 2px solid #E5E7EB;
}

.timeline-item:last-child {
  border-left: 2px solid transparent;
}

.timeline-dot {
  position: absolute;
  left: -9px;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gradient-main);
  box-shadow: 0 0 0 4px #FFFFFF, var(--shadow-glow);
}

/* Footer */
.site-footer {
  background: var(--color-bg-darker);
  color: var(--color-text-muted);
}

.site-footer h3,
.site-footer h4 {
  color: #FFFFFF;
}

.site-footer a {
  color: var(--color-text-muted);
  transition: var(--transition-base);
}

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

.footer-social-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: var(--transition-base);
}

.footer-social-icon:hover {
  background: var(--gradient-main);
  color: #FFFFFF;
  transform: translateY(-3px);
}

/* Divider */
.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
  margin: 2rem 0;
}

/* Utility */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background: rgba(109, 40, 217, 0.1);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 2rem;
  }
  .form-card {
    padding: 1.5rem;
  }
}