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

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    line-height: 1.65;
    color: var(--text-dark);
    background: #ffffff;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Base typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

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

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

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

/* ============================================
   CSS VARIABLES & CUSTOM PROPERTIES
   ============================================ */

:root {
    /* Color Scheme */
    --primary-color: #008864;
    --primary-light: #e6f7f3;
    --primary-dark: #006b50;
    --primary-rgb: 0, 136, 100;
    --accent-color: #00a884;
    --text-dark: #1a202c;
    --text-light: #718096;
    --text-lighter: #e2e8f0;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --title-color: #2d3748;
    --text-color: #4a5568;

    /* Typography */
    --body-font: "Inter", "Poppins", sans-serif;
    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;

    /* Font Weights */
    --font-regular: 400;
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;

    /* Spacing */
    --mb-0-25: 0.25rem;
    --mb-0-5: 0.5rem;
    --mb-0-75: 0.75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;
    --mb-4: 4rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 25px 50px rgba(0, 136, 100, 0.15);

    /* Border Radius */
    --border-radius: 8px;
    --border-radius-sm: 5px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;

    /* Layout */
    --max-width: 1600px;
    --container-padding: 2rem;

    /* Breakpoints (for reference) */
    --breakpoint-xs: 380px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
}

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
}

.text-center { text-align: center; }
.hidden { display: none; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }