/* ============================================
   aq-technik.de - Blueprint Minimal
   CSS Prefix: aqt-
   Fonts: Space Grotesk, Barlow, JetBrains Mono
   ============================================ */

/* --- CSS-Variablen --- */
:root {
    --aqt-primary: #0891B2;
    --aqt-primary-dark: #0E7490;
    --aqt-primary-light: #67E8F9;
    --aqt-secondary: #334155;
    --aqt-accent: #DC2626;
    --aqt-accent-light: #FEE2E2;
    --aqt-bg: #F8FAFB;
    --aqt-bg-white: #FFFFFF;
    --aqt-text: #1E293B;
    --aqt-text-light: #64748B;
    --aqt-border: #CBD5E1;
    --aqt-border-light: #E2E8F0;
    --aqt-success: #15803D;
    --aqt-success-light: #DCFCE7;
    --aqt-max-width: 960px;
    --aqt-font-heading: 'Space Grotesk', sans-serif;
    --aqt-font-body: 'Barlow', sans-serif;
    --aqt-font-mono: 'JetBrains Mono', monospace;
}

/* --- Reset & Basis --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--aqt-font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--aqt-text);
    background-color: var(--aqt-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--aqt-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--aqt-primary-dark);
}

/* --- Typografie --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--aqt-font-heading);
    color: var(--aqt-text);
    line-height: 1.25;
}

h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

p {
    margin-bottom: 16px;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    font-weight: 600;
}

ul, ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

li {
    margin-bottom: 6px;
}

/* --- Layout --- */
.aqt-wrapper {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Header --- */
.aqt-header {
    background: var(--aqt-bg-white);
    border-bottom: 1px solid var(--aqt-border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}

.aqt-header-inner {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.aqt-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.aqt-logo-icon {
    height: 32px;
    width: auto;
}

.aqt-logo-text {
    font-family: var(--aqt-font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--aqt-text);
}

/* --- Navigation --- */
.aqt-nav {
    display: flex;
    gap: 0;
}

.aqt-nav a {
    font-family: var(--aqt-font-heading);
    font-weight: 500;
    font-size: 13px;
    color: var(--aqt-text-light);
    text-decoration: none;
    padding: 6px 14px;
    transition: color 0.2s;
}

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

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

/* Mobile Menu Toggle */
.aqt-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--aqt-text);
}

.aqt-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Mobile Navigation Overlay */
.aqt-mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--aqt-bg-white);
    z-index: 200;
    flex-direction: column;
    padding: 80px 32px 32px;
}

.aqt-mobile-nav.aqt-open {
    display: flex;
}

.aqt-mobile-nav a {
    font-family: var(--aqt-font-heading);
    font-size: 20px;
    font-weight: 500;
    color: var(--aqt-text);
    padding: 16px 0;
    border-bottom: 1px solid var(--aqt-border-light);
    text-decoration: none;
}

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

.aqt-mobile-close {
    position: absolute;
    top: 16px;
    right: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--aqt-text);
}

/* --- Breadcrumb --- */
.aqt-breadcrumb {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 16px 32px;
    font-family: var(--aqt-font-mono);
    font-size: 12px;
    color: var(--aqt-text-light);
}

.aqt-breadcrumb a {
    color: var(--aqt-text-light);
    text-decoration: none;
}

.aqt-breadcrumb a:hover {
    color: var(--aqt-primary);
}

.aqt-breadcrumb span {
    margin: 0 8px;
}

/* --- Hero (Frontpage) --- */
.aqt-hero {
    position: relative;
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
}

.aqt-hero-img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block;
}

.aqt-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(30,41,59,0.55) 0%, rgba(30,41,59,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 48px 40px;
}

.aqt-hero-label {
    font-family: var(--aqt-font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--aqt-primary-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.aqt-hero h1 {
    color: #FFFFFF;
    max-width: 700px;
}

.aqt-hero p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    max-width: 520px;
    line-height: 1.7;
}

/* Hero (Content-Seiten) - kompakter */
.aqt-page-hero {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 48px 32px 32px;
}

.aqt-page-hero h1 {
    font-size: 36px;
    max-width: 700px;
}

.aqt-page-hero p {
    font-size: 18px;
    color: var(--aqt-text-light);
    max-width: 600px;
    line-height: 1.7;
}

/* --- Divider --- */
.aqt-divider {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.aqt-divider hr {
    border: none;
    border-top: 1px solid var(--aqt-border-light);
}

/* --- Main Content --- */
.aqt-main {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
    padding: 48px 32px;
}

/* --- Section --- */
.aqt-section {
    margin-bottom: 64px;
}

.aqt-section:last-child {
    margin-bottom: 0;
}

.aqt-section-label {
    font-family: var(--aqt-font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--aqt-text-light);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--aqt-border-light);
}

/* --- Content (Fließtext) --- */
.aqt-content {
    max-width: 720px;
}

.aqt-content h2 {
    margin-top: 40px;
    margin-bottom: 16px;
}

.aqt-content h3 {
    margin-top: 32px;
    margin-bottom: 12px;
}

.aqt-content p {
    margin-bottom: 16px;
    line-height: 1.85;
}

.aqt-content ul,
.aqt-content ol {
    margin-bottom: 20px;
    padding-left: 28px;
}

.aqt-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.aqt-content blockquote {
    border-left: 3px solid var(--aqt-primary);
    padding: 12px 20px;
    margin: 24px 0;
    background: rgba(8,145,178,0.04);
    color: var(--aqt-text);
    font-style: italic;
}

.aqt-content code {
    font-family: var(--aqt-font-mono);
    font-size: 14px;
    background: var(--aqt-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--aqt-primary-dark);
}

/* --- Tool Grid --- */
.aqt-tools {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.aqt-tool {
    background: var(--aqt-bg-white);
    border: 1px solid var(--aqt-border-light);
    border-radius: 12px;
    padding: 28px;
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.aqt-tool:hover {
    border-color: var(--aqt-primary);
    box-shadow: 0 4px 12px rgba(8,145,178,0.08);
}

.aqt-tool-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.aqt-tool h3 {
    margin-bottom: 0;
}

.aqt-tool p {
    font-size: 14px;
    color: var(--aqt-text-light);
    line-height: 1.5;
    margin-bottom: 0;
}

.aqt-tool-arrow {
    font-size: 20px;
    color: var(--aqt-border);
    transition: color 0.2s;
}

.aqt-tool:hover .aqt-tool-arrow {
    color: var(--aqt-primary);
}

/* --- Calculator --- */
.aqt-calc {
    background: var(--aqt-bg-white);
    border: 1px solid var(--aqt-border-light);
    border-radius: 16px;
    overflow: hidden;
}

.aqt-calc-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--aqt-border-light);
}

.aqt-calc-header h2 {
    margin-bottom: 4px;
}

.aqt-calc-header p {
    font-size: 14px;
    color: var(--aqt-text-light);
    margin-bottom: 0;
}

.aqt-calc-body {
    padding: 32px;
}

.aqt-calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.aqt-calc-row-2 {
    grid-template-columns: 1fr 1fr;
}

.aqt-calc-row-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.aqt-calc-field label {
    display: block;
    font-family: var(--aqt-font-heading);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--aqt-text);
}

.aqt-calc-field input,
.aqt-calc-field select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--aqt-border);
    border-radius: 8px;
    font-family: var(--aqt-font-mono);
    font-size: 16px;
    font-weight: 500;
    background: var(--aqt-bg);
    outline: none;
    transition: all 0.2s;
    text-align: center;
    color: var(--aqt-text);
}

.aqt-calc-field input:focus,
.aqt-calc-field select:focus {
    border-color: var(--aqt-primary);
    box-shadow: 0 0 0 3px rgba(8,145,178,0.1);
}

.aqt-calc-field .aqt-unit-hint {
    text-align: center;
    font-size: 12px;
    color: var(--aqt-text-light);
    margin-top: 4px;
}

.aqt-calc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--aqt-font-heading);
    font-size: 14px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--aqt-primary);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    cursor: pointer;
    transition: background 0.2s;
    margin-bottom: 24px;
}

.aqt-calc-btn:hover {
    background: var(--aqt-primary-dark);
}

.aqt-calc-results {
    background: var(--aqt-bg);
    border: 1px solid var(--aqt-border-light);
    border-radius: 12px;
    padding: 24px 32px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
}

.aqt-calc-results-2 {
    grid-template-columns: 1fr 1fr;
}

.aqt-calc-result {
    text-align: center;
}

.aqt-calc-result .aqt-cr-label {
    font-size: 12px;
    color: var(--aqt-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.aqt-calc-result .aqt-cr-value {
    font-family: var(--aqt-font-mono);
    font-size: 32px;
    font-weight: 500;
    color: var(--aqt-primary);
}

.aqt-calc-result .aqt-cr-value small {
    font-size: 14px;
    color: var(--aqt-text-light);
}

.aqt-calc-result .aqt-cr-status {
    font-size: 13px;
    font-weight: 500;
    margin-top: 4px;
}

.aqt-cr-ok { color: var(--aqt-success); }
.aqt-cr-warn { color: var(--aqt-accent); }

/* Info-Box im Rechner */
.aqt-calc-info {
    margin-top: 24px;
    padding: 16px 20px;
    background: rgba(8,145,178,0.04);
    border-left: 3px solid var(--aqt-primary);
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    color: var(--aqt-text-light);
    line-height: 1.6;
}

/* Warn-Box im Rechner */
.aqt-calc-warn {
    margin-top: 24px;
    padding: 16px 20px;
    background: var(--aqt-accent-light);
    border-left: 3px solid var(--aqt-accent);
    border-radius: 0 8px 8px 0;
    font-size: 14px;
    color: var(--aqt-text);
    line-height: 1.6;
}

/* --- Table --- */
.aqt-table-wrap {
    background: var(--aqt-bg-white);
    border: 1px solid var(--aqt-border-light);
    border-radius: 12px;
    overflow: hidden;
    overflow-x: auto;
}

table.aqt-table {
    width: 100%;
    border-collapse: collapse;
}

.aqt-table th {
    font-family: var(--aqt-font-heading);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--aqt-text-light);
    padding: 14px 24px;
    text-align: left;
    background: var(--aqt-bg);
    border-bottom: 1px solid var(--aqt-border-light);
    white-space: nowrap;
}

.aqt-table td {
    padding: 14px 24px;
    font-size: 15px;
    border-bottom: 1px solid var(--aqt-border-light);
}

.aqt-table tr:last-child td {
    border-bottom: none;
}

.aqt-table tr:hover {
    background: #FAFCFD;
}

.aqt-table .aqt-val {
    font-family: var(--aqt-font-mono);
    font-weight: 500;
    color: var(--aqt-primary-dark);
    font-size: 14px;
}

/* Status-Pill in Tabellen */
.aqt-pill {
    display: inline-block;
    font-family: var(--aqt-font-mono);
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 20px;
}

.aqt-pill-ok {
    background: var(--aqt-success-light);
    color: var(--aqt-success);
}

.aqt-pill-warn {
    background: var(--aqt-accent-light);
    color: var(--aqt-accent);
}

.aqt-pill-info {
    background: rgba(8,145,178,0.08);
    color: var(--aqt-primary);
}

/* --- Article List --- */
.aqt-article-list {}

.aqt-article {
    padding: 20px 0;
    border-bottom: 1px solid var(--aqt-border-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.aqt-article:last-child {
    border-bottom: none;
}

.aqt-article h3 {
    font-size: 17px;
    margin-bottom: 4px;
}

.aqt-article h3 a {
    color: var(--aqt-text);
    text-decoration: none;
}

.aqt-article h3 a:hover {
    color: var(--aqt-primary);
}

.aqt-article p {
    font-size: 14px;
    color: var(--aqt-text-light);
    margin-bottom: 0;
}

.aqt-article-tag {
    font-family: var(--aqt-font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--aqt-primary);
    background: rgba(8,145,178,0.08);
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* --- Cards (allgemein) --- */
.aqt-card {
    background: var(--aqt-bg-white);
    border: 1px solid var(--aqt-border-light);
    border-radius: 12px;
    padding: 28px;
}

/* --- Footer --- */
.aqt-footer {
    border-top: 1px solid var(--aqt-border-light);
    padding: 48px 32px;
    margin-top: 48px;
}

.aqt-footer-inner {
    max-width: var(--aqt-max-width);
    margin: 0 auto;
}

.aqt-footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.aqt-footer h4 {
    font-family: var(--aqt-font-heading);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--aqt-text);
}

.aqt-footer p {
    font-size: 14px;
    color: var(--aqt-text-light);
    line-height: 1.6;
}

.aqt-footer ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.aqt-footer li {
    margin-bottom: 8px;
}

.aqt-footer a {
    color: var(--aqt-text-light);
    text-decoration: none;
    font-size: 14px;
}

.aqt-footer a:hover {
    color: var(--aqt-primary);
}

.aqt-footer-partner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    margin-bottom: 24px;
    border-top: 1px solid var(--aqt-border-light);
}

.aqt-footer-partner-label {
    font-family: var(--aqt-font-mono);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--aqt-border);
}

.aqt-footer-partner img {
    height: 50px;
    width: auto;
    border-radius: 4px;
    opacity: 0.75;
    transition: opacity 0.2s;
}

.aqt-footer-partner img:hover {
    opacity: 1;
}

.aqt-footer-bottom {
    border-top: 1px solid var(--aqt-border-light);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--aqt-text-light);
}

/* --- 404-Seite --- */
.aqt-error-content {
    text-align: center;
    padding: 80px 32px;
}

.aqt-error-content h1 {
    font-size: 120px;
    font-family: var(--aqt-font-mono);
    color: var(--aqt-border);
    margin-bottom: 8px;
}

.aqt-error-content h2 {
    margin-bottom: 16px;
}

.aqt-error-content p {
    color: var(--aqt-text-light);
    margin-bottom: 24px;
}

.aqt-error-content a.aqt-link-btn {
    display: inline-block;
    font-family: var(--aqt-font-heading);
    font-size: 14px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--aqt-primary);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.2s;
}

.aqt-error-content a.aqt-link-btn:hover {
    background: var(--aqt-primary-dark);
}

/* --- Legal-Seiten --- */
.aqt-legal {
    max-width: 720px;
}

.aqt-legal h1 {
    font-size: 36px;
    margin-bottom: 8px;
}

.aqt-legal .aqt-legal-date {
    font-size: 13px;
    color: var(--aqt-text-light);
    margin-bottom: 32px;
}

.aqt-legal h2 {
    margin-top: 40px;
    margin-bottom: 12px;
    font-size: 20px;
}

.aqt-legal h3 {
    margin-top: 28px;
    margin-bottom: 8px;
    font-size: 17px;
}

.aqt-legal p {
    line-height: 1.85;
    margin-bottom: 16px;
}

.aqt-legal ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.aqt-legal li {
    margin-bottom: 6px;
    line-height: 1.7;
}

.aqt-legal address {
    font-style: normal;
    line-height: 1.85;
    margin-bottom: 16px;
}

/* --- Responsive: Tablet --- */
@media (max-width: 768px) {
    .aqt-nav { display: none; }
    .aqt-menu-toggle { display: block; }

    h1 { font-size: 36px; }
    .aqt-hero-img { height: 260px; }
    .aqt-hero-overlay { padding: 32px 24px; }
    .aqt-page-hero h1 { font-size: 28px; }
    .aqt-page-hero { padding: 32px 24px 24px; }

    .aqt-tools { grid-template-columns: 1fr; }

    .aqt-calc-row,
    .aqt-calc-row-4 { grid-template-columns: 1fr; }
    .aqt-calc-results,
    .aqt-calc-results-2 { grid-template-columns: 1fr; }
    .aqt-calc-body { padding: 24px; }

    .aqt-footer-top { grid-template-columns: 1fr; gap: 32px; }
    .aqt-footer-bottom { flex-direction: column; gap: 8px; }

    .aqt-article { flex-direction: column; gap: 8px; }

    .aqt-breadcrumb { padding: 12px 24px; }
    .aqt-main { padding: 32px 24px; }
    .aqt-wrapper { padding: 0 24px; }
    .aqt-header-inner { padding: 0 24px; }

    .aqt-error-content h1 { font-size: 80px; }
}

/* --- Responsive: Klein-Mobil --- */
@media (max-width: 480px) {
    h1 { font-size: 28px; }
    .aqt-hero-img { height: 200px; }
    .aqt-hero-overlay { padding: 24px 20px; }
    .aqt-hero p { font-size: 15px; }

    .aqt-tool { padding: 20px; }
    .aqt-calc-header { padding: 20px 24px; }
    .aqt-calc-body { padding: 20px; }
    .aqt-calc-results { padding: 20px; }
    .aqt-calc-result .aqt-cr-value { font-size: 24px; }

    .aqt-table th,
    .aqt-table td { padding: 10px 16px; font-size: 14px; }
}

/* --- Print --- */
@media print {
    .aqt-header,
    .aqt-footer,
    .aqt-nav,
    .aqt-menu-toggle,
    .aqt-mobile-nav { display: none; }

    body {
        background: #FFFFFF;
        color: #000000;
        font-size: 12pt;
    }

    .aqt-main { padding: 0; max-width: none; }
    .aqt-calc-field input { border: 1px solid #ccc; }
}