:root {
    --color-primary: #000000;
    --color-text: #252525;
    --color-background: #ffffff;
    --color-light: #f5f5f7;
    --color-border: #dddddd;

    --content-width: 1200px;
    --header-height: 90px;

    --spacing-small: 0.75rem;
    --spacing-medium: 1.5rem;
    --spacing-large: 3rem;
    --spacing-section: 20px;
}

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

html {
    scroll-behavior: smooth;
}

html,
body {
    min-height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;

    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

main {
    flex: 1;
}

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

.content-container,
.header-container,
.footer-container {
    width: min(
        calc(100% - 3rem),
        var(--content-width)
    );

    margin-inline: auto;
}



/* Header */

.site-header {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-large);
    margin-bottom: 20px;
    margin-top: 20px;
}

.site-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.logo-main {
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-name {
    font-size: 0.95rem;
}

.main-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.main-nav a {
    position: relative;
    display: inline-block;
    padding-block: 0.5rem;
    font-weight: 600;
    
}

.main-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;

    height: 2px;
    background-color: var(--color-primary);

    transform: scaleX(0);
    transform-origin: right;
    transition: transform 200ms ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.main-nav a.active {
    color: var(--color-primary);
}

/* Mobile-Menü */

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;

    border: 0;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    margin: 5px auto;

    background-color: var(--color-primary);
    transition:
        transform 200ms ease,
        opacity 200ms ease;
}

.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Inhalt */

.page-section {
    padding-block: var(--spacing-section);
}

.page-section h1 {
    margin-bottom: var(--spacing-medium);
    color: var(--color-primary);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.15;
}

/* Footer */

.site-footer {
    margin-top: auto;
    color: #ffffff;
    background-color: #000000;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;

    padding-block: 1.25rem;
}

.footer-name {
    font-weight: 600;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-nav a:hover,
.footer-nav a.active {
    text-decoration: underline;
}

.footer-bottom {
    padding-block: 0.75rem;
    border-top: 1px solid #333333;

    font-size: 0.85rem;
}

/* Fehlermeldung */

.include-error {
    padding: 1rem;
    color: #900000;
    background-color: #ffe5e5;
    text-align: center;
}

/* Responsive */

@media (max-width: 750px) {
    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    .main-nav {
        position: absolute;
        top: var(--header-height);
        right: 0;
        left: 0;
        z-index: 1000;

        display: none;
        padding: 1.5rem;

        background-color: var(--color-background);
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav.is-open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .main-nav a {
        display: block;
        padding: 0.75rem 0;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 500px) {
    .content-container,
    .header-container,
    .footer-container {
        width: min(
            calc(100% - 2rem),
            var(--content-width)
        );
    }

    .logo-main {
        font-size: 1.25rem;
    }

    .logo-name {
        font-size: 0.85rem;
    }
}

/* Hero */

.hero {
    min-height: 200px;
    display: flex;
    align-items: center;

    background-image: none;
    background-color: rgb(24, 59, 173);
    color: #ffffff;
}

.hero-container {
    width: min(calc(100% - 3rem), 1200px);
    margin-inline: auto;
}

.hero h1 {
    margin: 0;

    color: #ffffff;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

/* Allgemeine Inhaltsbereiche */

.intro-section,
.doctor-section {
    padding-block: var(--spacing-section);
}

.intro-section {
    background-color: #ffffff;
}

.doctor-section {
    background-color: #ffffff;
}

.intro-section h2,
.doctor-section h2 {
    margin-bottom: 1rem;

    color: #000000;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
}

.intro-section p {
    max-width: 900px;
    margin: 0;

    font-size: 1rem;
    line-height: 1.7;
}


/* Informationen zu Dr. Skerhut */

.doctor-header {
    margin-bottom: 2.5rem;
}

.doctor-position {
    margin-top: 0.5rem;

    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 500;
}

.doctor-information {
    display: grid;
    gap: 2rem;
}

.information-block {
    max-width: 950px;
}

.information-block h3 {
    margin-bottom: 0.5rem;

    color: #000000;
    font-size: 1.1rem;
    font-weight: 700;
}

.information-block p {
    margin: 0;

    font-size: 1rem;
    line-height: 1.7;
}

/* Kontaktseite */

.hero-small {
    min-height: 180px;
}

.contact-section {
    padding-block: var(--spacing-section);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 4rem;
}

.contact-block h2 {
    margin-bottom: 1.25rem;

    color: #000000;
    font-size: clamp(1.4rem, 2vw, 1.8rem);
    line-height: 1.2;
}

.contact-block p {
    margin-bottom: 1.25rem;
}

.contact-block address {
    font-style: normal;
    line-height: 1.8;
}

.contact-block a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.contact-block a:hover,
.contact-block a:focus-visible {
    text-decoration-thickness: 2px;
}

.opening-hours {
    margin: 0;
}

.opening-hours div {
    display: grid;
    grid-template-columns: 220px auto;
    gap: 2rem;
    padding-block: 0.4rem;
}

.opening-hours dt,
.opening-hours dd {
    margin: 0;
}

.opening-hours dd {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    white-space: nowrap;
}

.opening-hours dd span {
    display: block;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-block {
        max-width: 650px;
    }
}

@media (max-width: 500px) {
    .opening-hours div {
        grid-template-columns: 1fr;
        gap: 0.1rem;
    }

    .opening-hours dd {
        text-align: left;
    }
}

/* Impressum und rechtliche Seiten */

.legal-section {
    padding-block: var(--spacing-section);
}

.legal-content {
    max-width: 950px;
}

.legal-block {
    margin-bottom: 3rem;
}

.legal-block:last-child {
    margin-bottom: 0;
}

.legal-block h2 {
    margin-bottom: 1.25rem;

    color: #000000;
    font-size: clamp(1.4rem, 2vw, 1.75rem);
    line-height: 1.25;
}

.legal-block h3 {
    margin-top: 1.25rem;
    margin-bottom: 0.25rem;

    color: #000000;
    font-size: 1rem;
    line-height: 1.4;
}

.legal-block p,
.legal-block address {
    margin: 0;

    font-size: 1rem;
    font-style: normal;
    line-height: 1.55;
}

.legal-block a {
    color: #000000;
    text-decoration: underline;
    text-underline-offset: 2px;
    overflow-wrap: anywhere;
}

.legal-block a:hover,
.legal-block a:focus-visible {
    text-decoration-thickness: 2px;
}

.legal-block h4 {
    margin-top: 1.25rem;
    margin-bottom: 0.35rem;

    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    text-decoration: underline;
}

.legal-block h5 {
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;

    font-size: 1rem;
    font-style: italic;
    font-weight: 400;
    line-height: 1.5;
}

.legal-block p + p {
    margin-top: 0.35rem;
}

.legal-content {
    max-width: 1100px;
}