/* ===================================================================
   Utility-Textklassen
   =================================================================== */

.eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.mono-label {
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-muted);
}

.muted-note {
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===================================================================
   Buttons & Links
   =================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: var(--border-width) solid transparent;
    transition: transform var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast) var(--ease-out-expo);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
    box-shadow: var(--shadow-edge);
}

.btn--primary:hover {
    transform: translate(-1px, -1px);
    box-shadow: var(--shadow-edge-hover);
}

.btn--primary:active {
    transform: translate(0, 0);
    box-shadow: none;
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-line-functional);
}

.btn--ghost:hover {
    border-color: var(--color-text);
    background: var(--color-bg-alt);
}

.btn--compact {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-micro);
}

.text-link {
    color: var(--color-accent-text);
    text-decoration-color: var(--color-accent);
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
}

.text-link:hover {
    text-decoration-thickness: 2px;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: background var(--duration-fast) var(--ease-standard);
}

.icon-button:hover {
    background: var(--color-bg-alt);
}

.icon-button svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* ===================================================================
   Header / Navigation
   =================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: var(--color-bg);
    border-bottom: var(--border-width) solid transparent;
    transition: border-color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard);
}

.site-header.is-compact {
    border-bottom-color: var(--color-line-decorative);
    box-shadow: 0 1px 0 0 rgb(0 0 0 / 4%);
}

.site-header__inner {
    max-width: var(--content-max-wide);
    margin-inline: auto;
    padding-inline: var(--content-padding-inline);
    padding-block: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: var(--tracking-tight);
    text-decoration: none;
    color: var(--color-text);
    text-transform: uppercase;
}

.wordmark__mark {
    color: var(--color-accent);
    display: inline-flex;
}

.wordmark--footer {
    font-size: var(--text-h3);
    margin-bottom: var(--space-2);
}

.wordmark__logo {
    max-height: 2rem;
    width: auto;
}

.wordmark__logo--dark {
    display: none;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .wordmark__logo--light { display: none; }
    :root:not([data-theme="light"]) .wordmark__logo--dark { display: block; }
}

:root[data-theme="dark"] .wordmark__logo--light { display: none; }
:root[data-theme="dark"] .wordmark__logo--dark { display: block; }

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.primary-nav a {
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-muted);
    position: relative;
    padding-block: var(--space-1);
}

.primary-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out-expo);
}

.primary-nav a:hover {
    color: var(--color-text);
}

.primary-nav a:hover::after {
    transform: scaleX(1);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.menu-toggle {
    display: none;
}

.theme-toggle__icon--moon { display: block; }
.theme-toggle__icon--sun { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--moon { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--sun { display: block; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle__icon--moon { display: none; }
    :root:not([data-theme="light"]) .theme-toggle__icon--sun { display: block; }
}

.scroll-progress {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(var(--progress, 0));
    transform-origin: left;
    will-change: transform;
}

@media (max-width: 767px) {
    .primary-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: var(--border-width) solid var(--color-line-decorative);
        padding: var(--space-5) var(--content-padding-inline);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard), visibility var(--duration-base);
    }

    .primary-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .primary-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }

    .site-header__actions .btn--compact {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }
}

/* ===================================================================
   Footer
   =================================================================== */

.site-footer {
    background: var(--color-bg-alt);
    border-top: var(--border-width) solid var(--color-line-decorative);
}

.site-footer__inner {
    max-width: var(--content-max-wide);
    margin-inline: auto;
    padding: var(--space-9) var(--content-padding-inline) var(--space-6);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-7) var(--space-6);
}

.site-footer__tagline {
    color: var(--color-text-muted);
    font-size: var(--text-small);
}

.site-footer__contact,
.site-footer__legal {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    font-size: var(--text-small);
    margin-top: var(--space-3);
}

.site-footer__contact a,
.site-footer__legal a {
    text-decoration: none;
    color: var(--color-text);
}

.site-footer__contact a:hover,
.site-footer__legal a:hover {
    color: var(--color-accent-text);
}

.site-footer__meta {
    margin-top: var(--space-8);
    padding-top: var(--space-5);
    border-top: var(--border-width) solid var(--color-line-decorative);
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    color: var(--color-text-muted);
    display: flex;
    gap: var(--space-2);
}

@media (min-width: 640px) {
    .site-footer__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================================================
   Formulare
   =================================================================== */

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field label {
    font-family: var(--font-mono);
    font-size: var(--text-micro);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.field input,
.field textarea,
.field select {
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-line-functional);
    border-radius: var(--radius-sm);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-body);
    color: var(--color-text);
    transition: border-color var(--duration-fast) var(--ease-standard);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--color-accent);
}

.field--error input,
.field--error textarea {
    border-color: var(--color-danger);
}

.field__error {
    font-size: var(--text-small);
    color: var(--color-danger);
}

.field__hint {
    font-size: var(--text-small);
    color: var(--color-text-muted);
}

.field__hint--error {
    color: var(--color-danger);
}

.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-small);
}

.checkbox-field input {
    margin-top: 3px;
    accent-color: var(--color-accent);
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

/* Honeypot: für Menschen unsichtbar, für Screenreader nicht fokussierbar,
   aber im DOM/Layout vorhanden (kein display:none, das Bots leicht erkennen). */
.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}