/* Global Styles - SpaceX Inspired Dark Theme */
:root {
    /* Colors */
    --primary-color: #ffffff;
    /* White text for headers */
    --secondary-color: #a0a0a0;
    /* Grey text */
    --accent-color: #ffffff;
    /* White accents (minimalist) */
    --background-color: #000000;
    /* Deep black background */
    --card-bg: #111111;
    /* Very dark grey for cards */
    --text-color: #f0f0f0;
    /* Off-white text */
    --light-text: #888888;
    /* Dim grey */
    --white: #ffffff;
    --border-color: #333333;
    /* Dark borders */

    /* Fonts */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    /* Clean, modern sans */

    /* Spacing */
    --container-width: 1400px;
    /* Wider container */
    --section-padding: 100px 20px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    opacity: 0.7;
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
    background: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-transform: uppercase;
    /* SpaceX style caps */
    letter-spacing: 1px;
}

h1 {
    font-size: 4rem;
}

h2 {
    font-size: 3rem;
}

h3 {
    font-size: 1.5rem;
}

/* Utilities */
.btn {
    display: inline-block;
    padding: 15px 40px;
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--white);
    color: var(--background-color);
}

.btn-filled {
    background-color: var(--white);
    color: var(--background-color);
    border: 2px solid var(--white);
}

.btn-filled:hover {
    background-color: transparent;
    color: var(--white);
}