/* Global Styles & Variables */
:root {
    /* Color Palette */
    --primary-color: #0a192f;
    /* Deep Navy */
    --secondary-color: #112240;
    /* Lighter Navy */
    --accent-color: #64ffda;
    /* Teal/Gold hybrid (Premium tech feel) */
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --white: #ffffff;
    --glass-bg: rgba(17, 34, 64, 0.75);
    --glass-border: rgba(230, 241, 255, 0.1);

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    background: transparent;
    transition: all var(--transition-speed);
}

.btn:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    background: #4cdbb9;
    /* Slightly darker teal */
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .btn {
        width: 100%;
        text-align: center;
        padding: 14px 24px;
        /* Larger touch target */
        font-size: 1.05rem;
    }
}