/* ─────────────────────────────────────────
   Imisi · Design Tokens & Global Resets
   Tech4Her Africa
───────────────────────────────────────── */

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

:root {
  /* Brand colours */
  --green-900: #064e3b;
  --green-700: #0F6E56;
  --green-500: #10b981;
  --green-300: #5DCAA5;
  --green-100: #d1fae5;
  --green-50:  #ecfdf5;

  --ember-600: #ea580c;
  --ember-500: #F97316;
  --ember-100: #ffedd5;
  --ember-50:  #fff7ed;

  --night:     #0D1A14;
  --night-2:   #111827;
  --ink:       #111111;
  --ink-2:     #374151;
  --ink-3:     #6b7280;
  --ink-4:     #9ca3af;
  --border:    #e5e7eb;
  --surface:   #f9fafb;
  --white:     #ffffff;

  /* Typography */
  --font-sans:  'Inter', 'DM Sans', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-mono:  'JetBrains Mono', 'DM Mono', monospace;

  /* Radii */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  16px;
  --r-xl:  24px;
  --r-2xl: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.14), 0 8px 16px rgba(0,0,0,0.06);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font-family: var(--font-sans);
  outline: none;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }

/* ── Utility classes ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Shared button styles ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--r-lg);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-700);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--green-900);
  box-shadow: 0 0 0 3px rgba(15,110,86,0.2);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--green-700);
  border: 1.5px solid var(--green-300);
}
.btn-secondary:hover {
  background: var(--green-50);
  border-color: var(--green-700);
}

.btn-ghost {
  color: var(--ink-2);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.btn-ember {
  background: var(--ember-500);
  color: var(--white);
}
.btn-ember:hover {
  background: var(--ember-600);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(249,115,22,0.35);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.625rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-green { background: var(--green-100); color: var(--green-700); }
.badge-ember { background: var(--ember-100); color: var(--ember-600); }
.badge-gray  { background: var(--surface); color: var(--ink-3); border: 1px solid var(--border); }

/* ── Pulse animation ── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ── Fade in ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.5s var(--ease-out) both; }