/*
========================================
style.css
Globale Basis-Styles
========================================
*/

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--text-primary);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Medien */
img,
video {
    max-width: 100%;
    display: block;
}

img {
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
}

/* Listen */
ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Buttons */
button {
    font: inherit;
    border: none;
    cursor: pointer;
}

/* Überschriften */
h1,
h2,
h3,
h4,
p {
    margin: 0;
}

h1 {
    font-size: clamp(48px, 5vw, 108px);
    line-height: 0.95;
    letter-spacing: -0.06em;
}

h2 {
    font-size: clamp(36px, 5vw, 72px);
    line-height: 1;
    letter-spacing: -0.045em;
	margin-bottom: 10px;
}

h3 {
    font-size: clamp(20px, 2.5vw, 30px);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

p {
    font-size: clamp(16px, 1.4vw, 20px);
    color: var(--text-secondary);
}

/* Globale Layout-Klassen */
.section {
    padding: var(--space-xl) var(--container-padding);
}

.section-dark {
    background: var(--color-dark);
    color: var(--text-inverted);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.72);
}

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

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-md);
}

/* Utility */
.text-center {
    text-align: center;
}

.text-large {
    font-size: clamp(22px, 2.5vw, 36px);
    line-height: 1.25;
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

/*
========================================
Responsive Basisverbesserungen
========================================
*/

/* Verhindert horizontales Scrollen durch Animationen oder breite Inhalte */
body {
    overflow-x: hidden;
}

/* Sauberer Ankerabstand bei Sticky Navigation */
section[id] {
    scroll-margin-top: 96px;
}

/* Fokuszustände für Tastaturbedienung */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 4px;
}

/* Bessere Lesbarkeit bei langen Texten */
p {
    max-width: 72ch;
}

/* Bilder wirken stabiler beim Laden */
img {
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}

/* Klickflächen auf Touch-Geräten */
a,
button {
    -webkit-tap-highlight-color: transparent;
}

/*
========================================
Scrollbar
========================================
*/

/* Chrome, Edge, Safari */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray);
    border-radius: 20px;
    border: 3px solid var(--color-gray-light);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-dark);
}

/* Firefox */

html {
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray) var(--color-gray-light);
}

/* Firefox */

html {
    scrollbar-color: #777 #ececec;
    scrollbar-width: thin;
}

/*
========================================
Textauswahl
========================================
*/

::selection {
    background: var(--color-accent);
    color: var(--color-white);
}

::-moz-selection {
    background: var(--color-accent);
    color: var(--color-white);
}