/**
 * LIMPI Design System — Colors & Typography
 * ==========================================
 * Fonts are loaded via base.njk.
 * Import this file before styles.css so tokens are available.
 */

/* ============================================================
   ROOT DESIGN TOKENS
   ============================================================ */
:root {

  /* --- BRAND COLORS --- */
  --brand-primary:        #00bfff;
  --brand-primary-dark:   #0097cc;
  --brand-primary-soft:   #e6f8ff;
  --brand-primary-ring:   rgba(0, 191, 255, 0.22);

  /* --- INK / TEXT --- */
  --brand-ink:            #0f172a;
  --brand-text:           #0f172a;
  --brand-text-muted:     #475569;
  --brand-text-soft:      #94a3b8;

  /* --- SURFACES --- */
  --brand-surface:        #ffffff;
  --brand-surface-alt:    #f8fafc;
  --brand-surface-soft:   #f0f9ff;
  --brand-surface-dark:   #020617;

  /* --- BORDERS --- */
  --brand-border:         rgba(15, 23, 42, 0.12);
  --brand-border-light:   #e2e8f0;

  /* --- SEMANTIC --- */
  --brand-success:        #25D366;
  --brand-warning:        #f59e0b;
  --brand-danger:         #ef4444;

  /* --- RADIUS SCALE --- */
  --radius-xs:     0.375rem;
  --radius-sm:     0.5rem;
  --radius-md:     0.625rem;
  --radius-lg:     0.75rem;
  --radius-xl:     1rem;
  --radius-2xl:    1.5rem;
  --radius-3xl:    2rem;
  --radius-4xl:    2.5rem;
  --radius-pill:   9999px;

  /* --- SHADOW SCALE --- */
  --shadow-xs:         0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm:         0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md:         0 4px 6px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.05);
  --shadow-lg:         0 10px 15px rgba(15, 23, 42, 0.08), 0 4px 6px rgba(15, 23, 42, 0.04);
  --shadow-xl:         0 20px 25px rgba(15, 23, 42, 0.10), 0 8px 10px rgba(15, 23, 42, 0.04);
  --shadow-primary:    0 8px 24px rgba(0, 191, 255, 0.35);
  --shadow-primary-sm: 0 4px 12px rgba(0, 191, 255, 0.20);

  /* --- SPACING --- */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* --- TRANSITIONS --- */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- FONT FAMILIES --- */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body:    'Inter', Helvetica, Arial, sans-serif;

  /* --- FONT SIZES --- */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* --- FONT WEIGHTS --- */
  --weight-normal:    400;
  --weight-medium:    500;
  --weight-semibold:  600;
  --weight-bold:      700;
  --weight-extrabold: 800;
  --weight-black:     900;

  /* --- LINE HEIGHTS --- */
  --leading-none:    1;
  --leading-tight:   1.25;
  --leading-snug:    1.375;
  --leading-normal:  1.5;
  --leading-relaxed: 1.625;
  --leading-loose:   2;

  /* --- LETTER SPACING --- */
  --tracking-tighter: -0.05em;
  --tracking-tight:   -0.025em;
  --tracking-normal:  0;
  --tracking-wide:    0.025em;
  --tracking-wider:   0.05em;
  --tracking-widest:  0.1em;

  /* --- LAYOUT --- */
  --container-max: 1200px;
  --nav-height: 64px;
}

/* ============================================================
   SEMANTIC TYPOGRAPHIC ROLES
   ============================================================ */

.t-display-mega {
  font-family: var(--font-display);
  font-size: clamp(3.75rem, 9vw, 7.5rem);
  font-weight: var(--weight-black);
  line-height: 0.88;
  letter-spacing: var(--tracking-tight);
}

.t-display-hero {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--weight-bold);
  line-height: 1.0;
  letter-spacing: var(--tracking-tight);
}

.t-heading-section {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.25rem);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.t-heading-sub {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
}

.t-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  line-height: 1.2;
}

.t-body-lg {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-relaxed);
}

.t-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
}

.t-body-sm {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
}

.t-button {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-normal);
}

.t-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-gradient-primary {
  background: linear-gradient(to right, var(--brand-primary), #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: var(--brand-primary-soft);
  color: var(--brand-primary-dark);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: var(--brand-primary);
  color: #ffffff;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-primary-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-primary);
}
.btn-primary:active {
  transform: scale(0.97);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  background: white;
  color: var(--brand-ink);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  border: 1px solid var(--brand-border-light);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}
.btn-secondary:hover {
  border-color: var(--brand-primary);
  background: var(--brand-primary-soft);
  color: var(--brand-primary-dark);
}

.card {
  background: white;
  border: 1px solid var(--brand-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 191, 255, 0.5);
}

.trust-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-pill);
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}