/*
|--------------------------------------------------------------------------
| HEADER.CSS
|--------------------------------------------------------------------------
|
| Globaler öffentlicher Header, Navigation und gemeinsame Hero-Basis.
|
*/

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

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    width: 100%;
    background: var(--color-surface-translucent);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    width: min(100%, var(--content-width));
    min-height: 72px;
    margin-inline: auto;
    padding-inline: var(--space-8);
}

.site-header__brand {
    display: inline-flex;
    align-items: baseline;
    flex-shrink: 0;
    min-height: 44px;
    font-size: 1.5rem;
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.04em;
}

.site-header__brand--image {
    align-items: center;
}

.site-header__brand-image {
    display: block;
    width: auto;
    max-width: 220px;
    height: auto;
    max-height: 44px;
    object-fit: contain;
}

.site-header__brand-main {
    color: var(--color-text);
}

.site-header__brand-domain {
    color: var(--color-primary);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-1);
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    border-radius: 0.6rem;
    opacity: 0.82;
    transition:
        background-color var(--motion-duration-fast) var(--motion-ease-standard),
        color var(--motion-duration-fast) var(--motion-ease-standard),
        opacity var(--motion-duration-fast) var(--motion-ease-standard);
}

.site-nav__link[aria-current] {
    color: var(--color-text);
    background: var(--color-primary-soft);
    opacity: 1;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    background: var(--color-primary-soft);
    opacity: 1;
}

.site-nav__toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    color: inherit;
    background: transparent;
    border: 1px solid var(--color-border-strong);
    border-radius: 0.65rem;
    cursor: pointer;
}

.site-nav__toggle-line {
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-pill);
    transition:
        transform var(--motion-duration-fast) var(--motion-ease-standard),
        opacity var(--motion-duration-fast) var(--motion-ease-standard);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero-Basis
   ========================================================================== */

.hero {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(circle at 78% 30%, var(--color-primary-glow), transparent 34%),
        radial-gradient(circle at 65% 65%, var(--color-secondary-soft), transparent 32%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: var(--space-16);
    align-items: center;
    width: min(100%, var(--content-width));
    min-height: 520px;
    margin-inline: auto;
    padding: 4.5rem var(--space-8) var(--space-20);
}

.hero__content {
    max-width: 700px;
    min-width: 0;
}

.hero__eyebrow {
    display: inline-block;
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.hero__title {
    max-width: 760px;
    margin: 0 0 var(--space-6);
    font-size: clamp(2.5rem, 7vw, 5rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    overflow-wrap: anywhere;
}

.hero__description {
    max-width: 650px;
    margin: 0 0 var(--space-8);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-muted);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

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

@media (max-width: 1024px) {
    .site-header__container {
        padding-inline: var(--space-6);
    }

    .site-nav {
        gap: 0;
    }

    .site-nav__link {
        padding-inline: 0.65rem;
    }

    .hero__container {
        gap: var(--space-10);
        padding: var(--space-16) var(--space-6);
    }
}

@media (max-width: 900px) {
    .site-header__container {
        position: relative;
        min-height: 64px;
        padding-inline: var(--space-5);
    }

    .site-header__brand-image {
        max-width: 190px;
        max-height: 38px;
    }

    .site-nav__toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 1px);
        right: var(--space-5);
        left: var(--space-5);
        display: none;
        align-items: stretch;
        gap: var(--space-1);
        padding: var(--space-3);
        background: var(--color-background);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-large);
        box-shadow: var(--shadow-medium);
    }

    .site-nav.is-open {
        display: grid;
    }

    .site-nav__link {
        width: 100%;
        padding: var(--space-3) var(--space-4);
    }
}

@media (max-width: 768px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        min-height: auto;
        padding: 3.5rem var(--space-5);
    }
}

@media (max-width: 480px) {
    .site-header__container {
        padding-inline: var(--space-4);
    }

    .site-header__brand {
        font-size: 1.35rem;
    }

    .site-header__brand-image {
        max-width: 160px;
        max-height: 36px;
    }

    .site-nav {
        right: var(--space-4);
        left: var(--space-4);
    }

    .hero__container {
        padding: var(--space-12) var(--space-4);
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .button {
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav__toggle-line,
    .site-nav__link {
        transition: none;
    }
}