@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: #8B5CF6;
  --color-secondary: #0F172A;
  --color-secondary-light: #1E293B;
  --color-accent: #C4F135;
  --color-accent-alt: #22D3EE;
  --color-coral: #FF6B6B;
  --bg-light: #F8FAFC;
  --bg-cream: #FAF9FF;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --text-light: #F1F5F9;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 24px rgba(109, 40, 217, 0.25);
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
  --transition-fast: all 0.2s ease;
  --transition-slow: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  scroll-behavior: smooth;
}

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

::selection {
  background-color: var(--color-accent);
  color: var(--color-secondary);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  border: 2px solid var(--bg-light);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-secondary);
  border-bottom: 1px solid rgba(196, 241, 53, 0.15);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.site-header .logo-text {
  color: var(--text-light);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-link {
  position: relative;
  color: #CBD5E1;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  transition: var(--transition-slow);
}

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

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

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

.mobile-menu-toggle {
  color: var(--text-light);
  font-size: 1.75rem;
  cursor: pointer;
}

.mobile-menu {
  background-color: var(--color-secondary-light);
  border-top: 1px solid rgba(196, 241, 53, 0.15);
}

.mobile-menu a {
  color: var(--text-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu a:hover {
  color: var(--color-accent);
  background-color: rgba(109, 40, 217, 0.15);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: var(--transition-slow);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(109, 40, 217, 0.45);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-accent);
  color: var(--color-secondary);
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-accent:hover {
  background-color: #d7ff4a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(196, 241, 53, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text-light);
  font-weight: 600;
  padding: 0.8rem 1.9rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-accent-alt);
  transition: var(--transition-fast);
  cursor: pointer;
}

.btn-outline:hover {
  background-color: var(--color-accent-alt);
  color: var(--color-secondary);
}

/* ===== CARDS ===== */
.tech-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-alt));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-slow);
}

.tech-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(109, 40, 217, 0.15);
}

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

.tech-card .icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card-static {
  cursor: default;
}

/* ===== ACCORDION ===== */
.accordion-item {
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1rem;
  background-color: #ffffff;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.accordion-header:hover {
  background-color: var(--bg-cream);
}

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

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

.accordion-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  line-height: 1.7;
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--text-dark);
  transition: var(--transition-fast);
  font-size: 0.95rem;
}

.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, 0.12);
}

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

.form-label .required {
  color: var(--color-coral);
}

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

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background-color: var(--color-secondary);
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
  padding: 1.25rem 1.5rem;
}

.cookie-banner h3 {
  color: #ffffff;
  font-weight: 700;
}

.cookie-banner p {
  color: #CBD5E1;
  font-size: 0.9rem;
}

.cookie-banner a {
  color: #7DD3FC;
  text-decoration: underline;
}

.cookie-btn-accept {
  background-color: var(--color-accent);
  color: var(--color-secondary);
  font-weight: 700;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}

.cookie-btn-accept:hover {
  background-color: #d7ff4a;
  transform: translateY(-2px);
}

.cookie-btn-decline {
  background-color: transparent;
  color: #CBD5E1;
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid #475569;
  transition: var(--transition-fast);
  cursor: pointer;
}

.cookie-btn-decline:hover {
  border-color: var(--color-accent-alt);
  color: #ffffff;
}

/* ===== HERO / SECTIONS ===== */
.hero-gradient {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #1E1443 50%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(196, 241, 53, 0.08) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(34, 211, 238, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.grid-pattern {
  background-image: linear-gradient(rgba(196, 241, 53, 0.05) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(196, 241, 53, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.badge-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.35rem 1.1rem;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(196, 241, 53, 0.4);
}

.section-alt {
  background-color: var(--bg-cream);
}

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

.fade-up {
  animation: fadeUp 0.7s var(--transition-slow) forwards;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 241, 53, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(196, 241, 53, 0); }
}

.pulse-dot {
  animation: pulse-glow 2s infinite;
  border-radius: 50%;
}

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

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(109, 40, 217, 0.15);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--color-secondary);
  color: #CBD5E1;
}

.site-footer h4 {
  color: #ffffff;
  font-weight: 700;
}

.site-footer a {
  color: #94A3B8;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #64748B;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #CBD5E1;
  transition: var(--transition-fast);
}

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

/* ===== UTILITIES ===== */
.text-gradient {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.divider-glow {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary-light), transparent);
}

@media (max-width: 768px) {
  .hero-gradient h1 {
    font-size: 2.2rem;
  }
  .tech-card {
    padding: 1.5rem;
  }
}