@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 {
  --rl-void: #0B0E1A;
  --rl-deep: #131832;
  --rl-primary: #6C4CF1;
  --rl-primary-light: #8B6FF9;
  --rl-primary-dark: #4E2FD4;
  --rl-cyan: #21E6C1;
  --rl-cyan-dark: #0FBFA0;
  --rl-amber: #FFB84D;
  --rl-ink: #1A1F36;
  --rl-gray: #6B7280;
  --rl-light: #F5F6FB;
  --rl-border: #E4E4F0;
  --rl-shadow: rgba(108, 76, 241, 0.18);
  --rl-glow: rgba(33, 230, 193, 0.35);
  --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;
  color: var(--rl-ink);
  background-color: var(--rl-light);
  line-height: 1.6;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--rl-light);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--rl-primary), var(--rl-cyan));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--rl-primary-dark);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--rl-void);
  border-bottom: 1px solid rgba(108, 76, 241, 0.25);
  box-shadow: 0 4px 20px rgba(11, 14, 26, 0.4);
  transition: var(--transition-base);
}

.logo-glow {
  filter: drop-shadow(0 0 8px var(--rl-glow));
  transition: var(--transition-base);
}

.logo-glow:hover {
  filter: drop-shadow(0 0 16px var(--rl-glow));
}

.nav-link {
  position: relative;
  color: #D5D8EE;
  font-weight: 500;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--rl-primary-light), var(--rl-cyan));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #ffffff;
}

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

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

/* ===== MOBILE MENU ===== */
.mobile-menu {
  background-color: var(--rl-void);
  border-top: 1px solid rgba(108, 76, 241, 0.2);
}

.mobile-menu-toggle {
  color: #ffffff;
  font-size: 1.75rem;
  cursor: pointer;
}

.mobile-menu a {
  color: #D5D8EE;
  transition: var(--transition-base);
}

.mobile-menu a:hover {
  color: var(--rl-cyan);
  padding-left: 6px;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--rl-primary), var(--rl-primary-dark));
  color: #ffffff;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: 0.3px;
  box-shadow: 0 6px 20px var(--rl-shadow);
  transition: var(--transition-base);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--rl-shadow);
  background: linear-gradient(135deg, var(--rl-primary-light), var(--rl-primary));
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--rl-primary);
  border: 2px solid var(--rl-primary);
  padding: 0.75rem 1.9rem;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition-base);
  cursor: pointer;
}

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

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--rl-cyan), var(--rl-cyan-dark));
  color: var(--rl-void);
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(33, 230, 193, 0.3);
  transition: var(--transition-base);
  border: none;
  cursor: pointer;
}

.btn-accent:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 26px rgba(33, 230, 193, 0.45);
}

.btn-dark-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
  padding: 0.75rem 1.9rem;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition-base);
}

.btn-dark-outline:hover {
  border-color: var(--rl-cyan);
  color: var(--rl-cyan);
  background: rgba(33, 230, 193, 0.08);
}

/* ===== CARDS ===== */
.tech-card {
  background: #ffffff;
  border: 1px solid var(--rl-border);
  border-radius: 14px;
  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: linear-gradient(90deg, var(--rl-primary), var(--rl-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.tech-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px var(--rl-shadow);
  border-color: var(--rl-primary-light);
}

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

.dark-card {
  background: var(--rl-deep);
  border-radius: 14px;
  padding: 2rem;
  color: #E4E6F5;
  border: 1px solid rgba(108, 76, 241, 0.2);
  transition: var(--transition-base);
}

.dark-card:hover {
  border-color: var(--rl-cyan);
  box-shadow: 0 0 30px rgba(33, 230, 193, 0.15);
}

.icon-box {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--rl-primary), var(--rl-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.6rem;
  box-shadow: 0 8px 20px var(--rl-shadow);
}

/* ===== FORMS ===== */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid var(--rl-border);
  border-radius: 10px;
  background-color: #ffffff;
  color: var(--rl-ink);
  transition: var(--transition-base);
  font-size: 1rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--rl-primary);
  box-shadow: 0 0 0 4px rgba(108, 76, 241, 0.12);
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--rl-ink);
  font-size: 0.9rem;
}

.form-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(108, 76, 241, 0.1);
  border: 1px solid var(--rl-border);
}

/* ===== ACCORDION ===== */
.accordion-item {
  border: 1px solid var(--rl-border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-base);
}

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

.accordion-header:hover {
  background: #F8F8FF;
}

.accordion-header.active {
  color: var(--rl-primary);
}

.accordion-header i {
  transition: transform 0.3s ease;
  color: var(--rl-primary);
}

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--rl-gray);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--rl-void);
  border-top: 2px solid var(--rl-primary);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
}

.cookie-banner h3,
.cookie-banner p {
  color: #E4E6F5;
}

.cookie-banner a {
  color: var(--rl-cyan);
  text-decoration: underline;
}

.cookie-banner a:hover {
  color: var(--rl-primary-light);
}

.cookie-btn-accept {
  background: linear-gradient(135deg, var(--rl-cyan), var(--rl-cyan-dark));
  color: var(--rl-void);
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

.cookie-btn-accept:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(33, 230, 193, 0.35);
}

.cookie-btn-decline {
  background: transparent;
  color: #D5D8EE;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.6rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-base);
}

.cookie-btn-decline:hover {
  border-color: var(--rl-cyan);
  color: var(--rl-cyan);
}

/* ===== HERO / SECTIONS ===== */
.hero-gradient {
  background: linear-gradient(135deg, var(--rl-void) 0%, var(--rl-deep) 50%, #1A1440 100%);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--rl-primary) 0%, transparent 70%);
  opacity: 0.25;
  border-radius: 50%;
  filter: blur(40px);
}

.hero-gradient::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--rl-cyan) 0%, transparent 70%);
  opacity: 0.2;
  border-radius: 50%;
  filter: blur(40px);
}

.section-alt {
  background-color: #F0F1FA;
}

.grid-pattern {
  background-image:
    linear-gradient(rgba(108, 76, 241, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 76, 241, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--rl-primary-light), var(--rl-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== BADGES ===== */
.badge-popular {
  background: linear-gradient(135deg, var(--rl-amber), #FF9A3D);
  color: var(--rl-void);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ===== SPINNER ===== */
.rl-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(108, 76, 241, 0.2);
  border-top-color: var(--rl-primary);
  border-radius: 50%;
  animation: rl-spin 0.8s linear infinite;
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeInUp 0.7s ease forwards;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(33, 230, 193, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(33, 230, 193, 0); }
}

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

/* ===== TIMELINE ===== */
.timeline-line {
  background: linear-gradient(180deg, var(--rl-primary), var(--rl-cyan));
  width: 3px;
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--rl-cyan);
  box-shadow: 0 0 0 4px rgba(33, 230, 193, 0.25);
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--rl-void);
  color: #B4B8D6;
}

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

.site-footer a {
  color: #B4B8D6;
  transition: var(--transition-base);
}

.site-footer a:hover {
  color: var(--rl-cyan);
}

.footer-divider {
  border-color: rgba(108, 76, 241, 0.2);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(108, 76, 241, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #D5D8EE;
  transition: var(--transition-base);
}

.social-icon:hover {
  background: var(--rl-primary);
  color: #ffffff;
  transform: translateY(-3px);
}

/* ===== UTILS ===== */
.divider-gradient {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--rl-primary), var(--rl-cyan), transparent);
}

@media (max-width: 768px) {
  .hero-gradient::before,
  .hero-gradient::after {
    display: none;
  }
  .form-card {
    padding: 1.5rem;
  }
}