/* ═══════════════════════════════════════════════
   EDYTRAINING DESIGN SYSTEM
   Decisions with Vision
═══════════════════════════════════════════════ */

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

:root {
  --lime:           #8aae5c;
  --lime-dark:      #6d9143;
  --lime-light:     #a8cc78;
  --lime-xlight:    #eef5e4;
  --charcoal:       #1a1a1a;
  --charcoal-soft:  #2d2d2d;
  --charcoal-mid:   #3a3a3a;
  --off-white:      #f5f5f3;
  --white:          #ffffff;
  --grey-light:     #e8e8e5;
  --grey-mid:       #a0a09a;
  --border:         #e2e2de;
  --text-primary:   #1a1a1a;
  --text-secondary: #4a4a46;
  --text-muted:     #7a7a74;

  --font-display: 'Bebas Neue', sans-serif;
  --font-serif:   'Lora', serif;
  --font-sans:    'DM Sans', sans-serif;

  --max-width: 1200px;
  --gutter:    clamp(20px, 5vw, 60px);
  --space-4:   4px; --space-8: 8px; --space-12: 12px;
  --space-16:  16px; --space-20: 20px; --space-24: 24px;
  --space-32:  32px; --space-40: 40px; --space-48: 48px;
  --space-64:  64px; --space-80: 80px;

  --radius-sm:  4px; --radius-md: 8px;
  --radius-lg:  12px; --radius-xl: 20px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.14);
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--white); -webkit-font-smoothing: antialiased; }

/* ── UTILITIES ── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); }
.section-pad { padding: 96px 0; }
.bg-white  { background: var(--white); }
.bg-alt    { background: var(--off-white); }
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: 40px; }
.mt-12 { margin-top: 48px; }
.w-full { width: 100%; }

.section-header { max-width: 640px; }
.label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--lime-dark);
}
.heading-xl {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 58px);
  line-height: 0.93; color: var(--charcoal);
}
.heading-lg {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700; color: var(--charcoal);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 700;
  border-radius: var(--radius-md); border: none;
  cursor: pointer; text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-sm  { font-size: 13px; padding: 9px 18px; }
.btn-md  { font-size: 14px; padding: 12px 24px; }
.btn-lg  { font-size: 15px; padding: 15px 32px; }
.btn-primary { background: var(--lime); color: var(--white); }
.btn-primary:hover { background: var(--lime-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-lime { background: transparent; color: var(--lime-dark); border: 2px solid var(--lime); }
.btn-outline-lime:hover { background: var(--lime); color: var(--white); }
.btn-ghost-light { background: rgba(255,255,255,0.1); color: var(--white); border: 1px solid rgba(255,255,255,0.25); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.2); }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: 64px;
  z-index: 1000; background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--gutter);
  height: 100%; display: flex; align-items: center; gap: 32px;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.nav-links { display: flex; gap: 6px; list-style: none; flex: 1; }
.nav-links a {
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary); text-decoration: none;
  padding: 6px 12px; border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-links a:hover, .nav-links a.active { color: var(--lime-dark); background: var(--lime-xlight); }
.lang-switch { display: flex; gap: 4px; }
.lang-btn {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  padding: 5px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: transparent;
  color: var(--text-muted); cursor: pointer;
  transition: all var(--transition-fast);
}
.lang-btn.active, .lang-btn:hover { border-color: var(--lime); color: var(--lime-dark); background: var(--lime-xlight); }

/* ── FORMS ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 700; color: var(--text-secondary); margin-bottom: 6px; letter-spacing: 0.04em; }
.form-input {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: 14px; color: var(--text-primary);
  background: var(--white); transition: border-color var(--transition-fast);
  appearance: none;
}
.form-input:focus { outline: none; border-color: var(--lime); box-shadow: 0 0 0 3px rgba(138,174,92,0.15); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ── ANIMATIONS ── */
.anim-fade-up { animation: fadeUp 0.7s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
@keyframes fadeUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }