/* ==================================================
   BASE CSS
   Zweck: Globale Variablen, Reset, Grundtypografie und 1200px Seitenrahmen.
================================================== */

:root {
    --color-page-bg: #414040D9;
    --color-menu-bg: #00A9D4;
    --color-card-bg: rgba(32, 54, 101, 0.45);
    --color-card-border: #203665;
    --color-text: #ffffff;
    --color-text-muted: rgba(255, 255, 255, 0.86);
    --color-dark-blue: #203665;

    --page-width: 1200px;
    --page-padding: 20px;
    --grid-gap: 10px;
    --radius-button: 5px;

    --font-main: Arial, Helvetica, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-page-bg);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 14px;
    font-size: clamp(2.5rem, 5vw, 4.8rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(1.35rem, 2.5vw, 2.1rem);
    line-height: 1.2;
}

p {
    color: var(--color-text-muted);
}

.page-shell,
.site-nav,
.site-header,
.site-main,
.site-footer {
    width: var(--page-width);
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}
