/* ===================================================================
   SPLITKUN LAYOUT STYLES
   Site-wide layout, typography, and base styles
   =================================================================== */

/* ===================================================================
   DESIGN TOKENS - CENTRALIZED VARIABLES
   =================================================================== */

:root {
    /* Colors */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-danger: #ef4444;
    --color-danger-light: #fef2f2;
    --color-warning: #f59e0b;
    
    /* Gray Scale */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Line Heights */
    --line-height-none: 1;
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
}

/* ===================================================================
   CSS RESET & BASE STYLES
   =================================================================== */

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

/* ===================================================================
   TYPOGRAPHY & FONTS
   =================================================================== */

body {
    font-family: "Satoshi-Regular";
    font-size: 16px;
    line-height: 1.6;
    color: #333333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
}

/* ===================================================================
   LAYOUT STRUCTURE
   =================================================================== */

html {
    height: 100%;
    font-size: 16px;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ===================================================================
   COMMON ELEMENT STYLES
   =================================================================== */

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all 0.2s ease;
}

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

p,
a {
    font-family: "Satoshi-Regular";
}

h1 {
    font-family: "Satoshi-Bold";
}

h2 {
    font-family: "Satoshi-Bold";
}

h3 {
    font-family: "Satoshi-Bold";
}

/* ===================================================================
   CONTAINER & SPACING
   =================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

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

@media (min-width: 1024px) {
    .container {
        padding: 0 3rem;
    }
}

/* ===================================================================
   ACCESSIBILITY
   =================================================================== */

/* Focus styles for better accessibility */
:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

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

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

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

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

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

/* ===================================================================
   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;
    }
}