@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 {
  --bura-obsidian: #12101A;
  --bura-obsidian-light: #1C1926;
  --bura-violet: #4C2A85;
  --bura-violet-light: #6E3FCB;
  --bura-amber: #FF9F1C;
  --bura-amber-light: #FFC862;
  --bura-teal: #17C3B2;
  --bura-teal-dark: #0E8C7F;
  --bura-cream: #F7F3ED;
  --bura-gray-text: #6B6478;
  --bura-border: #2A2536;
  --shadow-glow: 0 0 24px rgba(255, 159, 28, 0.25);
  --shadow-soft: 0 10px 30px rgba(18, 16, 26, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--bura-obsidian);
  background-color: var(--bura-cream);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bura-obsidian-light);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--bura-amber), var(--bura-teal));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bura-amber-light);
}

/* Sticky Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bura-obsidian);
  border-bottom: 1px solid var(--bura-border);
  box-shadow: 0 4px 20px rgba(18, 16, 26, 0.35);
}

.site-header .logo-text {
  background: linear-gradient(90deg, var(--bura-amber), var(--bura-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.nav-link {
  position: relative;
  color: #E7E3F0;
  font-weight: 500;
  transition: color 0.25s ease;
}

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

.nav-link:hover {
  color: var(--bura-amber-light);
}

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

.nav-link.active {
  color: var(--bura-amber-light);
}

/* Mobile Menu */
.mobile-menu {
  background-color: var(--bura-obsidian-light);
  border-top: 1px solid var(--bura-border);
}

.mobile-menu a {
  color: #E7E3F0;
  border-bottom: 1px solid var(--bura-border);
}

.mobile-menu a:hover {
  color: var(--bura-amber-light);
  background-color: rgba(255, 159, 28, 0.06);
}

.mobile-menu-toggle {
  color: #E7E3F0;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(90deg, var(--bura-amber), #FF7A1C);
  color: #1A1420;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  box-shadow: var(--shadow-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 32px rgba(255, 159, 28, 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--bura-teal);
  font-weight: 700;
  padding: 0.7rem 1.7rem;
  border-radius: 9999px;
  border: 2px solid var(--bura-teal);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background-color: var(--bura-teal);
  color: #0A1F1B;
  transform: translateY(-2px);
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--bura-obsidian);
  color: #F7F3ED;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 0.5rem;
  transition: background 0.25s ease, transform 0.25s ease;
}

.btn-dark:hover {
  background: var(--bura-violet);
  transform: translateY(-2px);
}

/* Cards */
.tech-card {
  background-color: #FFFFFF;
  border: 1px solid #E7E1D6;
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.tech-card:hover {
  transform: translateY(-6px);
  border-color: var(--bura-amber);
  box-shadow: 0 20px 40px rgba(255, 159, 28, 0.15);
}

.tech-card .icon-wrap {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bura-violet), var(--bura-teal-dark));
  color: #FFFFFF;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.card-dark {
  background-color: var(--bura-obsidian-light);
  border: 1px solid var(--bura-border);
  border-radius: 1rem;
  padding: 2rem;
  color: #E7E3F0;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card-dark:hover {
  border-color: var(--bura-teal);
  transform: translateY(-4px);
}

/* Grid pattern background section */
.circuit-bg {
  background-color: var(--bura-obsidian);
  background-image:
    linear-gradient(rgba(255, 159, 28, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 159, 28, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Forms */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid #E7E1D6;
  border-radius: 0.6rem;
  background-color: #FFFFFF;
  color: var(--bura-obsidian);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  font-size: 0.95rem;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--bura-amber);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.15);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--bura-obsidian);
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

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

.form-group::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 2.4rem;
  width: 3px;
  height: 0%;
  background: var(--bura-teal);
  transition: height 0.3s ease;
}

.form-group:focus-within::before {
  height: 2.4rem;
}

/* Accordion */
.accordion-item {
  border: 1px solid #E7E1D6;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
  background-color: #FFFFFF;
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--bura-obsidian);
  transition: background-color 0.25s ease;
}

.accordion-header:hover {
  background-color: #FBF3E7;
}

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

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

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background-color: var(--bura-obsidian);
  border-top: 1px solid var(--bura-border);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.35);
}

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

.cookie-banner p {
  color: #C9C3D6;
}

.cookie-banner a {
  color: var(--bura-amber-light);
  text-decoration: underline;
}

.cookie-banner .btn-primary {
  padding: 0.6rem 1.4rem;
  font-size: 0.9rem;
}

/* Loading Spinner */
.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 4px solid rgba(255, 159, 28, 0.2);
  border-top-color: var(--bura-amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Fade / Slide animations */
.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--bura-teal);
  box-shadow: 0 0 0 rgba(23, 195, 178, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(23, 195, 178, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(23, 195, 178, 0); }
  100% { box-shadow: 0 0 0 0 rgba(23, 195, 178, 0); }
}

/* Section styles */
.section-alt {
  background-color: #F1EBDF;
}

.divider-gradient {
  height: 3px;
  background: linear-gradient(90deg, var(--bura-amber), var(--bura-violet), var(--bura-teal));
  border-radius: 3px;
  width: 4rem;
}

/* Badges */
.badge-popular {
  background: linear-gradient(90deg, var(--bura-amber), #FF7A1C);
  color: #1A1420;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.3rem 0.9rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Stats */
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--bura-amber), var(--bura-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Footer */
.site-footer {
  background-color: var(--bura-obsidian);
  color: #C9C3D6;
}

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

.site-footer a {
  color: #C9C3D6;
  transition: color 0.2s ease;
}

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

.social-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bura-obsidian-light);
  color: #E7E3F0;
  transition: all 0.25s ease;
}

.social-icon:hover {
  background-color: var(--bura-amber);
  color: #1A1420;
  transform: translateY(-3px);
}

/* Hero */
.hero-gradient {
  background: linear-gradient(135deg, var(--bura-obsidian) 0%, var(--bura-violet) 60%, var(--bura-teal-dark) 120%);
}

/* Utility */
.text-amber-accent {
  color: var(--bura-amber);
}

.text-teal-accent {
  color: var(--bura-teal);
}

.border-glow {
  border: 1px solid rgba(255, 159, 28, 0.35);
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 1.85rem;
  }
  .tech-card, .card-dark {
    padding: 1.5rem;
  }
}