/* =====================================
SOTUMA Global Responsive CSS
Mobile-First Responsive Design System
Version: 1.0
===================================== */

/* CSS Custom Properties for Consistent Design */
:root {
    /* Breakpoints */
    --breakpoint-xs: 0px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
    
    /* Container max-widths */
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
    --container-xxl: 1320px;
    
    /* Spacing scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4.5rem;
    
    /* 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;
    
    /* Colors */
    --primary: #D2B48C;
    --primary-dark: #b8a177;
    --secondary: #820403;
    --text-primary: #333;
    --text-secondary: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Base Reset and Mobile-First Styles */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

/* Responsive Images and Media */
img, video, iframe {
    max-width: 100%;
    height: auto;
}

img {
    display: block;
}

/* Responsive Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem 0;
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: clamp(1.75rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1rem, 2vw, 1.5rem); }
h6 { font-size: clamp(0.875rem, 1.5vw, 1.25rem); }

p {
    margin: 0 0 1rem 0;
    font-size: clamp(0.875rem, 2vw, 1rem);
    line-height: 1.6;
}

/* Responsive Container System */
.container-responsive {
    width: 100%;
    max-width: var(--container-xxl);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 576px) {
    .container-responsive {
        padding: 0 1.5rem;
    }
}

@media (min-width: 768px) {
    .container-responsive {
        padding: 0 2rem;
    }
}

@media (min-width: 992px) {
    .container-responsive {
        padding: 0 2rem;
    }
}

/* Responsive Grid System */
.grid-responsive {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 576px) {
    .grid-responsive {
        gap: 1.5rem;
    }
    .grid-responsive.cols-sm-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-responsive.cols-sm-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
    .grid-responsive {
        gap: 2rem;
    }
    .grid-responsive.cols-md-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-responsive.cols-md-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-responsive.cols-md-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 992px) {
    .grid-responsive {
        gap: 2.5rem;
    }
    .grid-responsive.cols-lg-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-responsive.cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-responsive.cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-responsive.cols-lg-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Responsive Flexbox Utilities */
.flex-responsive {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.flex-responsive.justify-center { justify-content: center; }
.flex-responsive.justify-between { justify-content: space-between; }
.flex-responsive.justify-around { justify-content: space-around; }
.flex-responsive.align-center { align-items: center; }
.flex-responsive.align-start { align-items: flex-start; }
.flex-responsive.align-end { align-items: flex-end; }

@media (min-width: 768px) {
    .flex-responsive {
        gap: 1.5rem;
    }
    .flex-responsive.nowrap-md { flex-wrap: nowrap; }
}

/* Responsive Spacing */
.spacing-responsive {
    padding: 1rem;
}

@media (min-width: 576px) {
    .spacing-responsive { padding: 1.5rem; }
}

@media (min-width: 768px) {
    .spacing-responsive { padding: 2rem; }
}

@media (min-width: 992px) {
    .spacing-responsive { padding: 3rem; }
}

/* Responsive Navigation */
.nav-responsive {
    position: relative;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.nav-responsive .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    max-width: var(--container-xxl);
    margin: 0 auto;
}

.nav-responsive .nav-brand {
    flex-shrink: 0;
}

.nav-responsive .nav-brand img {
    height: auto;
    max-height: 60px;
    width: auto;
    max-width: 200px;
}

@media (min-width: 768px) {
    .nav-responsive .nav-brand img {
        max-height: 80px;
        max-width: 300px;
    }
}

@media (min-width: 992px) {
    .nav-responsive .nav-brand img {
        max-height: 120px;
        max-width: 400px;
    }
}

/* Mobile Menu Toggle */
.nav-responsive .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 992px) {
    .nav-responsive .nav-toggle {
        display: none;
    }
}

/* Navigation Menu */
.nav-responsive .nav-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    padding: 2rem 1rem;
    transition: left 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
}

.nav-responsive .nav-menu.active {
    left: 0;
}

@media (min-width: 992px) {
    .nav-responsive .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        box-shadow: none;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 2rem;
        overflow-y: visible;
    }
}

/* Navigation Links */
.nav-responsive .nav-menu a {
    display: block;
    padding: 0.75rem 0;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid #eee;
    transition: color 0.3s ease;
}

.nav-responsive .nav-menu a:hover {
    color: var(--primary);
}

@media (min-width: 992px) {
    .nav-responsive .nav-menu a {
        padding: 0.5rem 1rem;
        border-bottom: none;
        border-radius: 4px;
    }
    
    .nav-responsive .nav-menu a:hover {
        background: rgba(210, 180, 140, 0.1);
    }
}

/* Mobile Menu Overlay */
.nav-responsive .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-responsive .nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (min-width: 992px) {
    .nav-responsive .nav-overlay {
        display: none;
    }
}

/* Responsive Cards */
.card-responsive {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card-responsive:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-responsive .card-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.card-responsive .card-content {
    padding: 1rem;
}

@media (min-width: 768px) {
    .card-responsive .card-content {
        padding: 1.5rem;
    }
}

/* Responsive Buttons */
.btn-responsive {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--text-sm);
    line-height: 1.4;
}

.btn-responsive:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .btn-responsive {
        padding: 1rem 2rem;
        font-size: var(--text-base);
    }
}

/* Responsive Form Elements */
.form-responsive {
    width: 100%;
}

.form-responsive .form-group {
    margin-bottom: 1rem;
}

.form-responsive label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-responsive input,
.form-responsive textarea,
.form-responsive select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: var(--text-base);
    transition: border-color 0.3s ease;
}

.form-responsive input:focus,
.form-responsive textarea:focus,
.form-responsive select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(210, 180, 140, 0.2);
}

/* Responsive Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.table-responsive th,
.table-responsive td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table-responsive th {
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
}

/* Utility Classes */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }
}

.show-mobile {
    display: block;
}

@media (min-width: 768px) {
    .show-mobile {
        display: none;
    }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

@media (min-width: 768px) {
    .text-center-md { text-align: center; }
    .text-left-md { text-align: left; }
    .text-right-md { text-align: right; }
}

/* Responsive Margins and Paddings */
.mt-responsive { margin-top: 1rem; }
.mb-responsive { margin-bottom: 1rem; }
.ml-responsive { margin-left: 1rem; }
.mr-responsive { margin-right: 1rem; }
.pt-responsive { padding-top: 1rem; }
.pb-responsive { padding-bottom: 1rem; }
.pl-responsive { padding-left: 1rem; }
.pr-responsive { padding-right: 1rem; }

@media (min-width: 768px) {
    .mt-responsive { margin-top: 2rem; }
    .mb-responsive { margin-bottom: 2rem; }
    .ml-responsive { margin-left: 2rem; }
    .mr-responsive { margin-right: 2rem; }
    .pt-responsive { padding-top: 2rem; }
    .pb-responsive { padding-bottom: 2rem; }
    .pl-responsive { padding-left: 2rem; }
    .pr-responsive { padding-right: 2rem; }
}

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

/* Print Styles */
@media print {
    .nav-responsive,
    .btn-responsive,
    .nav-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .container-responsive {
        max-width: none;
        padding: 0;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card-responsive {
        border: 2px solid var(--text-primary);
    }
    
    .btn-responsive {
        border: 2px solid var(--text-primary);
    }
}

/* Focus Visible for Better Accessibility */
.btn-responsive:focus-visible,
.form-responsive input:focus-visible,
.form-responsive textarea:focus-visible,
.form-responsive select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}