@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 {
  --void-black: #0b0c14;
  --deep-violet: #1e1145;
  --electric-indigo: #5b3df5;
  --plasma-cyan: #00e5cc;
  --amber-spark: #ffb020;
  --hot-coral: #ff5d73;
  --mist-gray: #a8adc4;
  --paper-light: #f4f5fb;
  --card-bg: #14162a;
  --border-glow: rgba(91, 61, 245, 0.35);
  --shadow-soft: 0 10px 30px rgba(11, 12, 20, 0.35);
  --shadow-glow: 0 0 25px rgba(0, 229, 204, 0.25);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  scroll-behavior: smooth;
}

body {
  background-color: var(--paper-light);
  color: #1a1b2e;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--void-black);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--electric-indigo), var(--plasma-cyan));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--plasma-cyan), var(--electric-indigo));
}

/* ---------- Header ---------- */
.site-header {
  background-color: var(--void-black);
  border-bottom: 1px solid var(--border-glow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition-med);
}
.site-header.scrolled {
  box-shadow: var(--shadow-glow);
}
.site-header a {
  color: #f4f5fb;
}
.nav-link {
  position: relative;
  color: var(--mist-gray);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--plasma-cyan), var(--electric-indigo));
  transition: width var(--transition-med);
}
.nav-link:hover {
  color: #ffffff;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--plasma-cyan);
}

.mobile-menu {
  background-color: var(--void-black);
  border-top: 1px solid var(--border-glow);
}
.mobile-menu a {
  color: var(--mist-gray);
}
.mobile-menu a:hover {
  color: var(--plasma-cyan);
}

/* ---------- Logo pulse ---------- */
.logo-mark {
  filter: drop-shadow(0 0 6px rgba(0, 229, 204, 0.5));
  transition: filter var(--transition-med);
}
.logo-mark:hover {
  filter: drop-shadow(0 0 14px rgba(91, 61, 245, 0.8));
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--electric-indigo), var(--plasma-cyan));
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 1.9rem;
  border-radius: 0.6rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  filter: brightness(1.08);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--electric-indigo);
  font-weight: 600;
  padding: 0.8rem 1.85rem;
  border-radius: 0.6rem;
  border: 2px solid var(--electric-indigo);
  transition: all var(--transition-fast);
}
.btn-secondary:hover {
  background: var(--electric-indigo);
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255,255,255,0.5);
  padding: 0.8rem 1.85rem;
  border-radius: 0.6rem;
  transition: all var(--transition-fast);
}
.btn-outline-light:hover {
  background: #ffffff;
  color: var(--void-black);
  border-color: #ffffff;
}

.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--amber-spark);
  color: #1a1b2e;
  font-weight: 700;
  padding: 0.85rem 1.9rem;
  border-radius: 0.6rem;
  transition: all var(--transition-fast);
}
.btn-amber:hover {
  background: #e69c10;
  transform: translateY(-2px);
}

/* ---------- Cards ---------- */
.tech-card {
  background: #ffffff;
  border-radius: 1rem;
  border: 1px solid #e5e6f2;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}
.tech-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(91, 61, 245, 0.18);
  border-color: var(--electric-indigo);
}

.dark-card {
  background: var(--card-bg);
  border-radius: 1rem;
  border: 1px solid var(--border-glow);
  color: #f4f5fb;
  transition: all var(--transition-med);
}
.dark-card:hover {
  box-shadow: var(--shadow-glow);
  border-color: var(--plasma-cyan);
}

.card-static {
  cursor: default;
}

.icon-badge {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--electric-indigo), var(--plasma-cyan));
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 8px 20px rgba(91, 61, 245, 0.35);
}

/* ---------- Badge / pill ---------- */
.pill-badge {
  display: inline-block;
  background: rgba(0, 229, 204, 0.12);
  color: #007a6d;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 204, 0.4);
}
.badge-popular {
  position: absolute;
  top: -0.8rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber-spark);
  color: #1a1b2e;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}

/* ---------- Accordion / FAQ ---------- */
.accordion-item {
  border: 1px solid #e5e6f2;
  border-radius: 0.75rem;
  overflow: hidden;
  margin-bottom: 1rem;
  background: #ffffff;
}
.accordion-header {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.4rem;
  font-weight: 600;
  color: #1a1b2e;
  transition: background var(--transition-fast);
}
.accordion-header:hover {
  background: #f4f5fb;
}
.accordion-header .accordion-icon {
  transition: transform var(--transition-med);
  color: var(--electric-indigo);
}
.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}
.accordion-content {
  display: none;
  padding: 0 1.4rem 1.2rem;
  color: #4b4d63;
  line-height: 1.7;
}

/* ---------- Forms ---------- */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border-radius: 0.6rem;
  border: 1.5px solid #d8d9ea;
  background: #ffffff;
  color: #1a1b2e;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--electric-indigo);
  box-shadow: 0 0 0 4px rgba(91, 61, 245, 0.15);
}
.form-label {
  display: block;
  font-weight: 600;
  color: #1a1b2e;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}
.form-group {
  margin-bottom: 1.4rem;
  position: relative;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: #9a9cb5;
}

/* ---------- Hero ---------- */
.hero-gradient {
  background: radial-gradient(circle at 20% 20%, rgba(91, 61, 245, 0.35), transparent 50%),
              radial-gradient(circle at 80% 60%, rgba(0, 229, 204, 0.25), transparent 55%),
              linear-gradient(135deg, var(--void-black), var(--deep-violet));
}
.hero-grid-overlay {
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--plasma-cyan), var(--electric-indigo));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Section backgrounds ---------- */
.section-dark {
  background-color: var(--void-black);
  color: #f4f5fb;
}
.section-violet {
  background-color: var(--deep-violet);
  color: #f4f5fb;
}

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--void-black);
  color: #e5e6f2;
  border-top: 1px solid var(--border-glow);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.4);
  z-index: 200;
}
.cookie-banner h3 {
  color: #ffffff;
}
.cookie-banner p {
  color: #c4c6dc;
}
.cookie-banner a {
  color: #7fd6ff;
  text-decoration: underline;
}

/* ---------- Loading spinner ---------- */
.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 4px solid rgba(91, 61, 245, 0.2);
  border-top-color: var(--electric-indigo);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

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

.float-anim {
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------- Timeline (about/careers) ---------- */
.timeline-item {
  position: relative;
  padding-left: 2.2rem;
  border-left: 2px solid var(--border-glow);
  padding-bottom: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -0.55rem;
  top: 0.1rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--plasma-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 204, 0.2);
}

/* ---------- Divider ---------- */
.divider-glow {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--plasma-cyan), transparent);
  border: none;
}

/* ---------- Team card ---------- */
.team-photo-wrap {
  border-radius: 1rem;
  overflow: hidden;
  border: 2px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, var(--electric-indigo), var(--plasma-cyan)) border-box;
  transition: transform var(--transition-med);
}
.team-photo-wrap:hover {
  transform: scale(1.03);
}

/* ---------- Responsive tweaks ---------- */
@media (max-width: 768px) {
  .hero-gradient h1 {
    font-size: 2.1rem;
  }
  .tech-card:hover {
    transform: none;
  }
}