/* CSS Variables and Root Styles */
:root {
    --dark-blue: #0A192F;
    --teal: #14B8A6;
    --teal-light: #0DD9C4;
    --teal-dark: #0891b2;
    --text-primary: #CCD6F6;
    --text-secondary: #A8B2D1;
    --light-bg: #F8F9FA;
    --dark-text: #333333;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(136, 146, 176, 0.2);
    --font-family: 'Inter', sans-serif;
    --font-family-display: 'Playfair Display', serif;
}

/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--dark-blue);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utility Classes */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a {
    color: var(--teal);
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5.5vw, 3.8rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.25rem);
}

.section-title-dark {
    text-align: center;
    margin-bottom: 20px;
}

.section-title-light {
    text-align: center;
    color: var(--dark-text);
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
    font-size: 1.1rem;
}

.section-subtitle-light {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
    font-size: 1.1rem;
    color: #6B7280;
}