/* ========================================
   TOUR DE SWAT - Main Stylesheet
   ======================================== */

/* Performance optimizations */
html.loading * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
}

html.loaded * {
    animation-duration: inherit !important;
    transition-duration: inherit !important;
}

/* CSS Custom Properties (Variables) */
:root {
    /* Color Palette */
    --slate: #2D3436;
    --sage: #4A5D4E;
    --terracotta: #A0522D;
    --white: #FFFFFF;
    --cream: #FAF9F6;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(160, 82, 45, 0.4);
    --shadow-xl: 0 15px 40px rgba(160, 82, 45, 0.6);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* CSS Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--slate);
    background-color: var(--white);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 var(--spacing-lg) 0;
}

h1 { font-size: clamp(2.5rem, 8vw, 5.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 3vw, 2rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin: 0 0 var(--spacing-lg) 0;
    font-weight: 400;
}

a {
    color: var(--terracotta);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--sage);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Focus Styles - Removed for cleaner design */

/* Screen Reader Only Text */
.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;
}

/* Container Utility */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Button Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--terracotta);
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    background-color: #8b4526;
    box-shadow: var(--shadow-xl);
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--terracotta);
    border: 2px solid var(--terracotta);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--terracotta);
    color: var(--white);
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

.visually-hidden {
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip: rect(1px 1px 1px 1px);
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        padding: var(--spacing-md);
    }
}