/* ============================================
   GUERREIRO SHAMO - CSS RESPONSIVO GLOBAL
   Mobile-First | Performance | Acessibilidade
   ============================================ */

/* ====================================
   VARIÁVEIS CSS RESPONSIVAS
   ==================================== */
:root {
    /* Breakpoints */
    --mobile: 320px;
    --mobile-l: 480px;
    --tablet: 768px;
    --laptop: 1024px;
    --desktop: 1200px;
    --desktop-l: 1440px;
    --desktop-xl: 1920px;
    
    /* Espaçamentos Responsivos */
    --spacing-xs: clamp(0.25rem, 1vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 2vw, 1rem);
    --spacing-md: clamp(1rem, 3vw, 1.5rem);
    --spacing-lg: clamp(1.5rem, 4vw, 2rem);
    --spacing-xl: clamp(2rem, 5vw, 3rem);
    --spacing-xxl: clamp(3rem, 6vw, 4rem);
    
    /* Tipografia Responsiva */
    --font-size-xs: clamp(0.75rem, 2vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 2.5vw, 1rem);
    --font-size-base: clamp(1rem, 3vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 3.5vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 4vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 5vw, 2rem);
    --font-size-3xl: clamp(1.875rem, 6vw, 2.5rem);
    --font-size-4xl: clamp(2.25rem, 7vw, 3rem);
    --font-size-5xl: clamp(3rem, 8vw, 4rem);
    
    /* Container Widths */
    --container-xs: 100%;
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1440px;
    
    /* Touch Target Sizes (Acessibilidade) */
    --touch-target-min: 44px;
    --touch-target-recommended: 48px;
}

/* ====================================
   RESET RESPONSIVO
   ==================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height, 80px);
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ====================================
   CONTAINER RESPONSIVO
   ==================================== */
.container-responsive {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

@media (min-width: 640px) {
    .container-responsive {
        max-width: var(--container-sm);
    }
}

@media (min-width: 768px) {
    .container-responsive {
        max-width: var(--container-md);
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container-responsive {
        max-width: var(--container-lg);
    }
}

@media (min-width: 1200px) {
    .container-responsive {
        max-width: var(--container-xl);
    }
}

@media (min-width: 1440px) {
    .container-responsive {
        max-width: var(--container-2xl);
    }
}

/* ====================================
   TIPOGRAFIA RESPONSIVA
   ==================================== */
h1 {
    font-size: var(--font-size-4xl);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-2xl);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--font-size-xl);
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

h5 {
    font-size: var(--font-size-lg);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

h6 {
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Ajuste para mobile pequeno */
@media (max-width: 360px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

/* ====================================
   GRID SYSTEM RESPONSIVO
   ==================================== */
.grid-responsive {
    display: grid;
    gap: var(--spacing-lg);
    width: 100%;
}

/* Auto-fit grid */
.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

/* Grid com breakpoints específicos */
.grid-cols-1 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1200px) {
    .xl\:grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    .xl\:grid-cols-5 {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ====================================
   IMAGENS RESPONSIVAS
   ==================================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.img-responsive {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.img-contain {
    object-fit: contain;
}

.img-cover {
    object-fit: cover;
}

/* Lazy loading placeholder */
.img-lazy {
    background: linear-gradient(
        90deg,
        rgba(42, 42, 42, 0.8) 0%,
        rgba(42, 42, 42, 0.5) 50%,
        rgba(42, 42, 42, 0.8) 100%
    );
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Picture element responsivo */
picture {
    display: block;
    width: 100%;
}

/* ====================================
   BOTÕES RESPONSIVOS
   ==================================== */
.btn-responsive {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

/* Botão full width em mobile */
@media (max-width: 480px) {
    .btn-responsive {
        width: 100%;
    }
}

/* ====================================
   FORMULÁRIOS RESPONSIVOS
   ==================================== */
.form-responsive {
    width: 100%;
}

.form-group-responsive {
    margin-bottom: var(--spacing-md);
}

.form-control-responsive {
    width: 100%;
    padding: var(--spacing-sm);
    min-height: var(--touch-target-min);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

/* Previne zoom em iOS */
@media (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="number"],
    input[type="password"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* ====================================
   CARDS RESPONSIVOS
   ==================================== */
.card-responsive {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 480px) {
    .card-responsive {
        padding: var(--spacing-md);
        border-radius: 8px;
    }
}

.card-responsive:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

/* ====================================
   TABELAS RESPONSIVAS
   ==================================== */
.table-wrapper-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
}

@media (max-width: 768px) {
    .table-responsive {
        font-size: var(--font-size-sm);
    }
    
    .table-responsive th,
    .table-responsive td {
        padding: var(--spacing-sm);
    }
}

/* Tabela stack em mobile */
@media (max-width: 640px) {
    .table-stack tbody tr {
        display: block;
        margin-bottom: var(--spacing-md);
        border: 1px solid var(--border-color);
        border-radius: 8px;
    }
    
    .table-stack tbody td {
        display: block;
        text-align: right;
        padding: var(--spacing-sm);
        position: relative;
        padding-left: 50%;
    }
    
    .table-stack tbody td:before {
        content: attr(data-label);
        position: absolute;
        left: var(--spacing-sm);
        width: 45%;
        text-align: left;
        font-weight: bold;
    }
}

/* ====================================
   SEÇÕES RESPONSIVAS
   ==================================== */
.section-responsive {
    padding: var(--spacing-xxl) 0;
}

@media (max-width: 768px) {
    .section-responsive {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    .section-responsive {
        padding: var(--spacing-lg) 0;
    }
}

/* ====================================
   MODAIS RESPONSIVOS
   ==================================== */
.modal-responsive {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: 9999;
}

.modal-content-responsive {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

@media (max-width: 480px) {
    .modal-content-responsive {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        padding: var(--spacing-md);
    }
}

/* ====================================
   UTILITÁRIOS RESPONSIVOS
   ==================================== */

/* Display */
.hidden { display: none !important; }
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

/* Display responsivo */
@media (min-width: 640px) {
    .sm\:hidden { display: none !important; }
    .sm\:block { display: block !important; }
    .sm\:flex { display: flex !important; }
}

@media (min-width: 768px) {
    .md\:hidden { display: none !important; }
    .md\:block { display: block !important; }
    .md\:flex { display: flex !important; }
}

@media (min-width: 1024px) {
    .lg\:hidden { display: none !important; }
    .lg\:block { display: block !important; }
    .lg\:flex { display: flex !important; }
}

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Text responsivo */
@media (max-width: 768px) {
    .md\:text-center { text-align: center; }
}

/* Margin e Padding responsivos */
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-full { max-width: 100%; }

/* ====================================
   ACESSIBILIDADE
   ==================================== */

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Skip links */
.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;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    * {
        border-color: currentColor !important;
    }
    
    .btn-responsive {
        border: 2px solid currentColor;
    }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a1a1a;
        --bg-secondary: #2a2a2a;
        --text-primary: #f5f5f5;
    }
}

/* ====================================
   PERFORMANCE
   ==================================== */

/* Contain layout */
.contain-layout {
    contain: layout;
}

.contain-paint {
    contain: paint;
}

.contain-strict {
    contain: strict;
}

/* Will-change para animações */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* GPU acceleration */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* ====================================
   PRINT STYLES
   ==================================== */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    a,
    a:visited {
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
    
    img {
        max-width: 100% !important;
    }
    
    @page {
        margin: 0.5cm;
    }
}