@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font: 'Plus Jakarta Sans', sans-serif;
  --accent:      #6366f1;
  --accent-lt:   #818cf8;
  --accent-dim:  rgba(99, 102, 241, 0.08);
  --accent-dim2: rgba(99, 102, 241, 0.16);
  --coral:       #06b6d4;
  --coral-dim:   rgba(6, 182, 212, 0.08);
  --bg:          #030712;
  --bg2:         #090d16;
  --bg3:         #111827;
  --surface:     rgba(17, 24, 39, 0.7);
  --surface2:    rgba(31, 41, 55, 0.8);
  --border:      rgba(255, 255, 255, 0.05);
  --border2:     rgba(255, 255, 255, 0.09);
  --text:        #f3f4f6;
  --text2:       #9ca3af;
  --text3:       #6b7280;
  --shadow:      0 25px 60px -15px rgba(0, 0, 0, 0.8);
  --backdrop:    blur(16px);
}

[data-theme="light"] {
  --bg:          #f9fafb;
  --bg2:         #f3f4f6;
  --bg3:         #e5e7eb;
  --surface:     rgba(255, 255, 255, 0.8);
  --surface2:    rgba(243, 244, 246, 0.9);
  --border:      rgba(0, 0, 0, 0.05);
  --border2:     rgba(0, 0, 0, 0.08);
  --text:        #111827;
  --text2:       #4b5563;
  --text3:       #9ca3af;
  --shadow:      0 25px 50px -18px rgba(0, 0, 0, 0.08);
  --backdrop:    blur(16px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background 0.35s ease, color 0.35s ease;
}

.btn-theme {
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--border2); background: transparent;
  color: var(--text2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.btn-theme:hover { background: var(--surface); color: var(--text); }
.btn-theme svg { width: 16px; height: 16px; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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