/* HighSkills — Shared Brand Styles */

:root {
  --brand-purple: #6C47FF;
  --brand-orange: #FF6B35;
  --brand-yellow: #FFD166;
  --brand-navy: #0F172A;
  --brand-navy-soft: #1E293B;
  --brand-gray: #64748B;
  --brand-light: #F8F7FF;
  --brand-white: #FFFFFF;

  /* Kids palette */
  --kids-primary: #7C3AED;
  --kids-secondary: #F97316;
  --kids-accent: #FCD34D;
  --kids-bg: #FFF7ED;
  --kids-text: #1C1917;

  /* Adults palette */
  --adults-primary: #6C47FF;
  --adults-gold: #F59E0B;
  --adults-bg: #0F172A;
  --adults-surface: #1E293B;
  --adults-text: #F1F5F9;
  --adults-muted: #94A3B8;

  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', 'Inter', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn:active { transform: translateY(0); }

.btn-primary-purple {
  background: var(--brand-purple);
  color: #fff;
}
.btn-primary-orange {
  background: var(--brand-orange);
  color: #fff;
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,0.1); }
.btn-gold {
  background: var(--adults-gold);
  color: var(--brand-navy);
}
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--transition);
}
.navbar-dark { background: rgba(15,23,42,0.85); border-bottom: 1px solid rgba(255,255,255,0.07); }
.navbar-light { background: rgba(255,255,255,0.9); border-bottom: 1px solid rgba(0,0,0,0.07); }

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo span { color: var(--brand-purple); }
.logo-light .logo-text { color: var(--brand-navy); }
.logo-dark .logo-text { color: #fff; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.75;
  transition: opacity var(--transition);
}
.nav-links a:hover { opacity: 1; }

.lang-switcher {
  display: flex;
  gap: 6px;
}
.lang-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: inherit;
  opacity: 0.6;
  transition: all var(--transition);
}
.lang-btn.active, .lang-btn:hover { opacity: 1; background: rgba(255,255,255,0.1); }
.lang-btn-dark.active, .lang-btn-dark:hover { background: rgba(0,0,0,0.08); border-color: rgba(0,0,0,0.2); }

/* === SECTION HELPERS === */
.section { padding: 100px 40px; }
.section-sm { padding: 60px 40px; }
.container { max-width: 1100px; margin: 0 auto; }
.container-narrow { max-width: 760px; margin: 0 auto; }

.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.tag-purple { background: rgba(108,71,255,0.12); color: var(--brand-purple); }
.tag-orange { background: rgba(255,107,53,0.12); color: var(--brand-orange); }
.tag-gold { background: rgba(245,158,11,0.15); color: var(--adults-gold); }
.tag-green { background: rgba(16,185,129,0.12); color: #10B981; }

/* === CARD === */
.card {
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* === FORM === */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  opacity: 0.75;
}
.form-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}
.form-input-light {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.15);
}
.form-input-light::placeholder { color: rgba(255,255,255,0.4); }
.form-input-light:focus { border-color: var(--brand-purple); }

.form-input-dark {
  background: #fff;
  color: var(--brand-navy);
  border-color: #E2E8F0;
}
.form-input-dark:focus { border-color: var(--brand-purple); }

/* === GRID === */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px 24px; }
  .navbar { padding: 0 24px; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 60px 20px; }
  .section-sm { padding: 40px 20px; }
  .nav-links { display: none; }
  .btn-lg { padding: 16px 28px; font-size: 1rem; }
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.fade-up { animation: fadeUp 0.7s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }

/* Toast notification */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #10B981;
  color: #fff;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  z-index: 999;
  transition: transform 0.4s ease;
  box-shadow: 0 8px 32px rgba(16,185,129,0.4);
}
.toast.show { transform: translateX(-50%) translateY(0); }