/* Praxis Göttingen

   ==========================================================================
   1. Allgemeine Einstellungen & Variablen
   ========================================================================== */
:root {
    --color-petrol: #1c5253;
    --color-petrol-dark: #143d3e;
    --color-petrol-medium: #236566;
    --color-petrol-bg-start: #357677;
    --color-petrol-bg-end: #1f4f50;
    --color-white: #ffffff;
    --color-text-dark: #2c3e50;
    --color-text-muted: #4a5568;
    --color-border: #b2cece;
    --color-alert-btn: #d32f2f;
    --color-alert-btn-hover: #b71c1c;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--color-petrol);
    text-decoration: none;
}

a:hover, a:focus {
    text-decoration: underline;
}

/* ==========================================================================
   2. Header & Hamburger-Menü (CSS-only)
   ========================================================================== */
.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid #eaeaea;
    position: relative;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    flex-wrap: wrap;
}

.logo {
    color: var(--color-petrol);
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: -0.04em;
}

/* Checkbox verstecken */
.nav-toggle {
    display: none;
}

/* Hamburger Icon Container */
.nav-toggle-label {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    position: relative;
}

/* Die 3 Striche des Hamburger-Symbols */
.nav-toggle-label span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-petrol);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

/* Transformierung zum Kreuz, wenn die Checkbox aktiv (:checked) ist */
.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
    opacity: 0;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* Navigation Grundzustand (versteckt, weißer Hintergrund) */
.main-nav {
    display: none;
    width: 100%;
    background-color: var(--color-white);
    padding: 1.5rem 0 0.5rem 0;
    margin-top: 1.25rem;
    border-top: 1px solid #eaeaea;
}

/* Einblenden des Menüs unter dem Header */
.nav-toggle:checked ~ .main-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.nav-column h3 {
    color: var(--color-petrol);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 0.25rem;
}

.nav-column ul {
    list-style-type: disc;
    padding-left: 1.25rem;
}

.nav-column li {
    margin-bottom: 0.3rem;
}

.nav-column a {
    color: var(--color-text-muted);
}

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

/* Fallback für ältere Browser ohne :has support */
@supports not selector(:has(*)) {
    .nav-toggle:checked ~ .main-nav {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* ==========================================================================
   3. Hero-Bereich (Dunkleres Petrol mit Farbverlauf)
   ========================================================================== */
.hero {
    background: linear-gradient(135deg, var(--color-petrol-bg-start) 0%, var(--color-petrol-bg-end) 100%);
    color: var(--color-white);
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h2 {
    color: var(--color-white);
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1.0rem;
}

.hero .subtitle {
    color: #e0f2f1;
    font-size: 1.15rem;
    font-weight: 400;
}

/* ==========================================================================
   4. Hauptbereich & Grid-Boxen (Weißer Hintergrund)
   ========================================================================== */
.main-content {
    background-color: var(--color-white);
    padding: 3.5rem 1.5rem;
    flex: 1;
}

.main-content ul {
	list-style-type: square;
	margin-left: 20px;
	margin-bottom: 0.75rem;
}

.main-content ol {
	margin-left: 20px;
	margin-bottom: 0.75rem;
}

.main-content p {
	text-align: justify;
}

.main-content p.center {
	text-align: center;
}

.main-content p, h1, h2, h3, h4, h5, h6 {
	margin-bottom: 0.75rem;
}

.main-content h1 {
	font-size: 1.5rem;
    font-weight: 500;
}

.main-content h2 {
	font-size: 1.4rem;
    font-weight: 500;
}

.main-content h3 {
	font-size: 1.3rem;
    font-weight: 500;
}

.main-content h4 {
	font-size: 1.2rem;
    font-weight: 500;
}

.main-content h5 {
	font-size: 1.1rem;
    font-weight: 500;
}

.main-content h6 {
	font-size: 1.0rem;
    font-weight: 700;
}

.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.grid-box {
    background: transparent;
    border: 1px solid var(--color-petrol);
    border-radius: 8px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.grid-box h2 {
    color: var(--color-petrol);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.grid-box p {
    color: var(--color-text-dark);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.grid-box .read-more {
    font-weight: 600;
    align-self: flex-start;
}

/* ==========================================================================
   5. Footer (Dunkleres Petrol mit Farbverlauf)
   ========================================================================== */
.site-footer {
    background: linear-gradient(135deg, var(--color-petrol-bg-start) 0%, var(--color-petrol-bg-end) 100%);
    color: var(--color-white);
    padding: 3rem 1.5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.footer-box {
    background: transparent;
}

.footer-box ul {
    list-style-type: disc;
    padding-left: 1.25rem;
}

.footer-box li {
    margin-bottom: 0.5rem;
}

.footer-box a {
    color: #e0f2f1;
}

.footer-box a:hover {
    color: var(--color-white);
}

.footer-action {
    display: flex;
    align-items: center;
}

/* Notfall-Exit-Button */
.btn-exit {
    display: inline-block;
    background-color: var(--color-alert-btn);
    color: var(--color-white) !important;
    padding: 0.75rem 1.25rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    width: 100%;
    text-decoration: none !important;
    transition: background-color 0.2s ease;
}

.btn-exit:hover {
    background-color: var(--color-alert-btn-hover);
}

/* ==========================================================================
   6. Responsives Layout für Tablet & Desktop
   ========================================================================== */
@media (min-width: 768px) {
    /* Ausgeklapptes Menü im Desktop-Modus nebeneinander darstellen */
    .nav-toggle:checked ~ .main-nav {
        flex-direction: row;
        justify-content: space-around;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 1.3rem;
    }

    /* Grid-Bereich: 2x2 Layout auf Tablets / Desktops */
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    /* Footer: 3 Spalten nebeneinander */
    .footer-container {
        grid-template-columns: repeat(3, 1fr);
        align-items: center;
    }

    .btn-exit {
        width: auto;
    }
}