/*
Theme Name: PetSPA Procare - Multinational Standard (v4.0)
Theme URI: https://petspaprocare.com.br
Author: PetSPA Procare
Description: Plataforma digital de padrão global para o segmento B2B de banho e tosa. Foco em autoridade técnica, UX corporativo e eficiência operacional.
Version: 4.0.0
Text Domain: petspa-procare
*/

/* ==========================================================================
   Design System: Multinational Standard
   ========================================================================== */

:root {
    --brand-blue: #253267;
    --brand-silver: #b8c5d6;
    --brand-silver-light: #e2e8f0;
    --pure-white: #ffffff;
    --bg-corporate: #fcfcfc;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border-light: #e5e7eb;
    --accent-blue: #3b82f6;
    
    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    --transition-base: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Titillium Web', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-corporate);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Editorial Typography
   ========================================================================== */

h1, h2, h3, h4, h5 {
    font-weight: 700;
    color: var(--brand-blue);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: var(--space-md); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: var(--space-md); }
h3 { font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--brand-silver); margin-bottom: var(--space-sm); }

p { margin-bottom: var(--space-sm); color: var(--text-secondary); }

/* ==========================================================================
   Corporate Layout Components
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-xl) 0;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

/* ==========================================================================
   Navigation: UX Corporativo
   ========================================================================== */

.site-header {
    background: var(--pure-white);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-md);
}

.main-nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-base);
}

.main-nav a:hover {
    color: var(--brand-blue);
}

.nav-cta {
    background: var(--brand-blue);
    color: var(--pure-white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 2px;
}

/* ==========================================================================
   Product Cards (Padrão Multinacional)
   ========================================================================== */

.product-card {
    background: var(--pure-white);
    border: 1px solid var(--border-light);
    padding: var(--space-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--brand-blue);
}

.product-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--brand-silver);
    margin-bottom: var(--space-xs);
}

.product-specs {
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-light);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xs);
}

.spec-item {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.spec-value {
    display: block;
    font-weight: 700;
    color: var(--brand-blue);
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-corporate {
    background: var(--brand-blue);
    color: var(--pure-white);
}

.btn-outline {
    border: 1px solid var(--brand-blue);
    color: var(--brand-blue);
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* ==========================================================================
   Footer: Global Standard
   ========================================================================== */

.site-footer {
    background: #111827;
    color: var(--pure-white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-heading {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--brand-silver);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--pure-white);
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 1024px) {
    .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .main-nav { display: none; } /* Mobile menu would be implemented here */
}