/* ---------------------------------- */
/* DESIGN SYSTEM: "Sharp Finance"     */
/* ---------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Karla:wght@400;500;600&display=swap');

:root {
    /* Colors */
    --primary: #7c3aed;
    --secondary: #0891b2;
    --accent: #f97316;
    --background: #faf5ff;
    --surface: #ffffff;
    --card: #f5f3ff;
    --text: #18181b;
    --muted: #71717a;
    --success: #22c55e;
    --danger: #ef4444;
    --gradient-hero: linear-gradient(145deg, #4c1d95 0%, #7c3aed 40%, #0891b2 100%);
    --gradient-border: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    --violet-light: rgba(124, 58, 237, 0.08);

    /* Typography */
    --font-headings: 'Manrope', sans-serif;
    --font-body: 'Karla', sans-serif;

    /* Spacing & Sizing */
    --border-radius-card: 14px;
    --border-radius-btn: 10px;
    --border-radius-hero: 20px;
    --section-padding: 5rem 0;

    /* Shadows */
    --box-shadow: 0 4px 20px var(--violet-light);
}

/* ---------------------------------- */
/* BASE & RESET                       */
/* ---------------------------------- */

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--text);
    background-color: var(--surface);
    -webkit-font-smoothing: antialiased;
}

/* ---------------------------------- */
/* TYPOGRAPHY                         */
/* ---------------------------------- */

h1, h2, h3, h4 {
    font-family: var(--font-headings);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; line-height: 1.1; }
h2 { font-size: 2rem; line-height: 1.2; }
h3 { font-size: 1.375rem; line-height: 1.3; }

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text);
}
.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: -2rem auto 3rem;
    color: var(--muted);
}

p { margin-bottom: 1rem; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--secondary); }

.mono-nummer, .kosten-wert {
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

/* ---------------------------------- */
/* LAYOUT & HELPERS                   */
/* ---------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding { padding: var(--section-padding); }
.bg-light { background-color: var(--background); }
.text-center { text-align: center; }
.margin-top { margin-top: 2rem; }

.grid-2 { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2-uneven { display: grid; gap: 2rem; grid-template-columns: 2fr 1fr; align-items: center;}

@media (max-width: 900px) {
    .grid-2-uneven { grid-template-columns: 1fr; }
}

/* ---------------------------------- */
/* COMPONENTS                         */
/* ---------------------------------- */

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--border-radius-btn);
    font-family: var(--font-headings);
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
}
.btn-primary { background-color: var(--accent); color: white; }
.btn-primary:hover { background-color: #fb923c; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(249, 115, 22, 0.2); }
.btn-secondary { background-color: transparent; color: white; border-color: white; }
.btn-secondary:hover { background-color: rgba(255,255,255,0.1); }
.btn-large { padding: 1rem 2.5rem; font-size: 1.1rem; }

/* Cards */
.card {
    background-color: var(--surface);
    border-radius: var(--border-radius-card);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 8px 25px var(--violet-light); }
.bg-light .card { background-color: var(--surface); }
.bg-light .card-optimierung { background-color: var(--surface); }


/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--muted); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem 1.25rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-btn);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--violet-light);
}
.input-group { position: relative; }
.input-group span { position: absolute; right: 1.25rem; top: 50%; transform: translateY(-50%); color: var(--muted); }
.radio-group { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.radio-group label {
    padding: 0.6rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius-btn);
    cursor: pointer;
}
.radio-group input { display: none; }
.radio-group input:checked + label {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.toggle-group { display: flex; justify-content: space-between; align-items: center; }
.switch { position: relative; display: inline-block; width: 50px; height: 28px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 28px; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--primary); }
input:checked + .slider:before { transform: translateX(22px); }

/* Data Tables */
.datenblatt-card { padding: 0; overflow: hidden; }
.datenblatt-tabelle {
    width: 100%;
    border-collapse: collapse;
}
.datenblatt-tabelle th, .datenblatt-tabelle td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}
.datenblatt-tabelle thead {
    background-color: var(--card);
    font-family: var(--font-headings);
    font-weight: 600;
}
.datenblatt-tabelle tbody tr:nth-child(even) { background-color: var(--background); }
.datenblatt-tabelle tbody tr:last-child td { border-bottom: none; }
.datenblatt-tabelle .success-text { color: var(--success); font-weight: 600; }
.datenblatt-tabelle th i { color: var(--muted); font-size: 0.8em; }

/* ---------------------------------- */
/* HEADER & FOOTER                    */
/* ---------------------------------- */

.site-header {
    background-color: var(--surface);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-bottom: 3px solid transparent;
    background-image: var(--gradient-border);
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: 100% 3px;
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { display: flex; align-items: center; font-family: var(--font-headings); font-weight: 800; font-size: 1.5rem; color: var(--text); }
.logo-icon {
    background: var(--gradient-hero);
    color: white;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    margin-right: 0.75rem;
}
.main-nav ul { display: flex; list-style: none; gap: 1.5rem; }
.main-nav a { color: var(--text); font-weight: 600; position: relative; padding: 0.5rem 0; }
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}
.main-nav a:hover::after { width: 100%; }
.mobile-nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

.site-footer {
    background-color: var(--text);
    color: #a1a1aa;
    padding-top: 4rem;
    border-top: 5px solid;
    border-image: var(--gradient-border) 1;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 4rem;
}
.footer-col h4 { color: white; margin-bottom: 1.5rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a { color: #a1a1aa; }
.footer-col a:hover { color: white; }
.disclaimer { font-size: 0.9rem; font-style: italic; opacity: 0.8; }
.footer-bottom {
    border-top: 1px solid #3f3f46;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* ---------------------------------- */
/* PAGE SECTIONS                      */
/* ---------------------------------- */

/* Hero Section */
.hero-section {
    background: var(--gradient-hero);
    color: white;
    padding: 6rem 0 0;
    border-bottom-left-radius: var(--border-radius-hero);
    border-bottom-right-radius: var(--border-radius-hero);
}
.hero-section h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.hero-section p {
    max-width: 700px;
    margin: 1.5rem auto 2.5rem;
    font-size: 1.125rem;
    opacity: 0.9;
}
.hero-actions { display: flex; justify-content: center; gap: 1rem; margin-bottom: 2rem; }
.trust-badges { display: flex; justify-content: center; gap: 2rem; opacity: 0.8; }
.trust-badges span { display: flex; align-items: center; gap: 0.5rem; }
.hero-image-container { margin-top: 3rem; }
.hero-image { display: block; width: 80%; max-width: 900px; margin: 0 auto; border-radius: 12px 12px 0 0; box-shadow: 0 -10px 40px rgba(0,0,0,0.3); }

/* Rechner Section */
.rechner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: flex-start; }
.rechner-form-card input[type="number"] { font-size: 1.5rem; font-weight: 700; padding-left: 1.5rem; }
.rechner-ergebnis-card { background: var(--card); }
.netto-display {
    font-family: var(--font-headings);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    text-align: center;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}
.brutto-display { text-align: center; color: var(--muted); margin-bottom: 2rem; }
.ergebnis-details { display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center; }
.pie-chart { width: 120px; height: 120px; border-radius: 50%; background: conic-gradient(#ef4444 0% 12%, #f97316 12% 25%, #0891b2 25% 65%, #22c55e 65% 100%); }
.rechner-ergebnis-card .datenblatt-tabelle td { padding: 0.75rem 0; border-bottom: 1px solid #e0d9f2; }
.rechner-ergebnis-card .datenblatt-tabelle tr:last-child td { border-bottom: none; }
.rechner-ergebnis-card .datenblatt-tabelle .abzug td:last-child { color: var(--danger); }
.rechner-ergebnis-card .netto-row { font-weight: 700; font-size: 1.1rem; }
.rechner-ergebnis-card .netto-row td:last-child { color: var(--success); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 0.5rem; }
.dot-tax { background: #ef4444; }
.dot-sv { background: #f97316; }

/* Steuerklassen Section */
.info-box {
    margin-top: 3rem;
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius-card);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.info-box.accent-box { background-color: var(--card); border-left: 5px solid var(--primary); }
.info-box i { font-size: 2rem; color: var(--primary); }
.beispiel { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid #e2e8f0; font-size: 0.9rem; color: var(--muted); }
.beispiel strong { color: var(--text); }


/* Optimierung Section */
.card-optimierung {
    background-color: var(--card);
    border-radius: var(--border-radius-card);
    padding: 2rem;
    position: relative;
    box-shadow: var(--box-shadow);
}
.badge-optimierung {
    position: absolute;
    top: -15px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: var(--gradient-hero);
    color: white;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--font-headings);
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.vergleich-split {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background: var(--background);
    padding: 0.75rem;
    border-radius: var(--border-radius-btn);
    margin-top: 1rem;
    text-align: center;
}
.vergleich-split div span { display: block; font-size: 0.8rem; color: var(--muted); }
.vergleich-split div strong { color: var(--success); font-weight: 800; font-size: 1.25rem; }
.vergleich-split i { color: var(--primary); font-size: 1.5rem; }

/* Icon List */
.icon-list { list-style: none; padding-left: 0; }
.icon-list li { display: flex; gap: 1rem; margin-bottom: 1rem; }
.icon-list i { color: var(--success); font-size: 1.5rem; }

/* Tools Section */
.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    color: var(--primary);
}

/* AG Kosten Section */
.kosten-aufschluesselung { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 1rem; }
.kosten-item { padding: 1rem; }
.kosten-wert { font-family: var(--font-headings); font-size: 2rem; font-weight: 800; }
.kosten-label { color: var(--muted); }
.kosten-item.total .kosten-wert { color: var(--primary); }
.kosten-plus, .kosten-gleich { font-size: 2rem; color: var(--muted); }

/* Bundesland Section */
.balken-diagramm {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 1rem;
    align-items: flex-end;
    height: 300px;
    border-bottom: 2px solid #e2e8f0;
    padding: 0 1rem;
}
.balken-item {
    background: var(--gradient-border);
    height: calc(1% * var(--val));
    border-radius: 8px 8px 0 0;
    position: relative;
    text-align: center;
    color: white;
    animation: grow 1s ease-out;
}
@keyframes grow { from { height: 0; } }
.balken-item span {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}
.balken-item::after {
    content: var(--label);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--muted);
}

/* FAQ Accordion */
.accordion-item { border-bottom: 1px solid #e2e8f0; }
.accordion-header {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-headings);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-header::after {
    content: '\2b';
    font-family: 'Phosphor Icons';
    font-weight: bold;
    transition: transform 0.3s;
}
.accordion-item.active .accordion-header::after { content: '\2d'; }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.accordion-content p { padding: 0 1.5rem 1.5rem; }

/* Contact */
.map-container {
    border-radius: var(--border-radius-card);
    overflow: hidden;
    margin-top: 2rem;
    box-shadow: var(--box-shadow);
}
.contact-form-card { background-color: var(--card); }

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--text);
    color: white;
    padding: 1.5rem 0;
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner-content { display: flex; justify-content: space-between; align-items: center; }
.cookie-banner p { margin: 0; }
.cookie-banner a { color: var(--secondary); text-decoration: underline; }
.cookie-banner-actions { display: flex; gap: 1rem; }
.cookie-banner-actions .btn-secondary { color: white; border-color: #71717a; }
.cookie-banner-actions .btn-secondary:hover { background-color: #3f3f46; }

/* ---------------------------------- */
/* RESPONSIVE DESIGN                  */
/* ---------------------------------- */

@media (max-width: 1024px) {
    .rechner-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.75rem; }
    .section-padding { padding: 3rem 0; }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--surface);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    .main-nav.active { display: block; }
    .main-nav ul { flex-direction: column; padding: 1rem; gap: 0; }
    .main-nav li { width: 100%; }
    .main-nav a { display: block; padding: 1rem; }
    .cta-header { display: none; }
    .mobile-nav-toggle { display: block; }

    .hero-section { padding-top: 4rem; }
    .hero-actions { flex-direction: column; }
    .ergebnis-details { grid-template-columns: 1fr; }
    .pie-chart-container { display: flex; justify-content: center; }
    
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .cookie-banner-content { flex-direction: column; gap: 1rem; text-align: center; }
}