:root {
    --color-ink: #17221c;
    --color-muted: #667168;
    --color-line: #dce2dc;
    --color-soft: #f5f7f1;
    --color-white: #ffffff;
    --color-green: #5d8f3d;
    --color-green-dark: #41682c;
    --color-accent: #f0c84b;
    --shadow-soft: 0 18px 48px rgba(23, 34, 28, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    color: var(--color-ink);
    font-family: Inter, Arial, sans-serif;
    line-height: 1.5;
}

body {
    background: #fbfcf8;
    margin: 0;
}

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

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

.site-header {
    align-items: center;
    background: rgba(251, 252, 248, 0.94);
    border-bottom: 1px solid var(--color-line);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 16px clamp(18px, 5vw, 64px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.site-logo img,
.footer-logo img {
    height: 42px;
    width: auto;
}

.site-nav {
    align-items: center;
    display: flex;
    gap: 8px;
}

.site-nav a {
    border-radius: 999px;
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 700;
    padding: 9px 13px;
}

.site-nav a:hover {
    background: var(--color-soft);
    color: var(--color-ink);
}

main {
    min-height: 72vh;
}

.catalog-hero {
    align-items: end;
    background:
        linear-gradient(135deg, rgba(245, 247, 241, 0.96), rgba(255, 255, 255, 0.82)),
        url("../img/brand/hausdenker-mark.png") right 8vw center / 260px auto no-repeat;
    border-bottom: 1px solid var(--color-line);
    display: grid;
    gap: 28px;
    grid-template-columns: minmax(0, 1fr) auto;
    padding: clamp(42px, 7vw, 86px) clamp(18px, 5vw, 64px) clamp(28px, 5vw, 56px);
}

.hero-copy {
    max-width: 760px;
}

.eyebrow,
.tool-category {
    color: var(--color-green-dark);
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.catalog-hero h1 {
    font-size: clamp(36px, 6vw, 72px);
    line-height: 1.02;
    margin: 12px 0 18px;
    max-width: 860px;
}

.catalog-hero p,
.lead {
    color: var(--color-muted);
    font-size: 18px;
    margin: 0;
    max-width: 620px;
}

.hero-panel {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    min-width: 210px;
    padding: 20px;
}

.hero-panel strong {
    display: block;
    font-size: 42px;
    line-height: 1;
}

.hero-panel span {
    color: var(--color-muted);
    display: block;
    font-weight: 700;
    margin-top: 8px;
}

.catalog-shell {
    display: grid;
    gap: 28px;
    grid-template-columns: 230px minmax(0, 1fr);
    padding: 32px clamp(18px, 5vw, 64px) 72px;
}

.marketplace-hint {
    align-items: center;
    background: #f4f9f0;
    border-top: 1px solid #dbe8d1;
    border-bottom: 1px solid #dbe8d1;
    display: flex;
    gap: 22px;
    justify-content: space-between;
    margin: 0 0 34px;
    padding: 24px clamp(18px, 5vw, 64px);
}

.marketplace-hint h2 {
    font-size: clamp(24px, 3vw, 34px);
    margin: 6px 0 8px;
}

.marketplace-hint p {
    color: var(--color-muted);
    margin: 0;
    max-width: 760px;
}

.catalog-filter {
    align-self: start;
    display: grid;
    gap: 8px;
    position: sticky;
    top: 92px;
}

.catalog-filter h2,
.detail-info h2,
.related-tools h2,
.price-box h2 {
    font-size: 18px;
    margin: 0 0 8px;
}

.catalog-filter a {
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--color-muted);
    font-weight: 750;
    padding: 10px 12px;
}

.catalog-filter a:hover,
.catalog-filter a.is-active {
    background: var(--color-white);
    border-color: var(--color-line);
    color: var(--color-ink);
}

.catalog-content {
    display: grid;
    gap: 22px;
}

.featured-tool {
    align-items: stretch;
    background: var(--color-ink);
    border-radius: 8px;
    color: var(--color-white);
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    min-height: 150px;
    overflow: hidden;
}

.featured-media {
    background: #2b382f;
}

.featured-media img {
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.featured-copy {
    align-content: center;
    display: grid;
    gap: 8px;
    padding: 24px;
}

.featured-copy small {
    color: var(--color-accent);
    font-weight: 800;
    text-transform: uppercase;
}

.featured-copy strong {
    font-size: 28px;
    line-height: 1.12;
}

.featured-copy span {
    color: #d8ded6;
}

.tool-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.tool-card,
.empty-state,
.price-box,
.detail-info > div {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
}

.tool-card {
    display: grid;
    grid-template-rows: auto 1fr;
    overflow: hidden;
}

.tool-card-media {
    aspect-ratio: 4 / 3;
    background: var(--color-soft);
    display: block;
}

.tool-card-media img {
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.tool-card-body {
    display: grid;
    gap: 20px;
    padding: 18px;
}

.tool-card h2 {
    font-size: 22px;
    line-height: 1.16;
    margin: 8px 0;
}

.tool-card p {
    color: var(--color-muted);
    margin: 0;
}

.tool-card-meta {
    border-top: 1px solid var(--color-line);
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding-top: 14px;
}

.tool-card-meta strong {
    color: var(--color-ink);
}

.empty-state {
    padding: 28px;
}

.empty-state p {
    color: var(--color-muted);
}

.button-link {
    align-items: center;
    background: var(--color-green);
    border: 0;
    border-radius: 8px;
    color: var(--color-white);
    display: inline-flex;
    font-weight: 800;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
}

.button-link:hover {
    background: var(--color-green-dark);
}

.button-link:disabled {
    cursor: wait;
    opacity: 0.72;
}

.button-link.wide {
    width: 100%;
}

button.button-link {
    cursor: pointer;
    font: inherit;
}

.breadcrumb {
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 26px clamp(18px, 5vw, 64px) 0;
}

.breadcrumb a {
    color: var(--color-green-dark);
    font-weight: 800;
}

.breadcrumb a::after {
    color: var(--color-muted);
    content: "/";
    margin-left: 8px;
}

.tool-detail {
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    padding: 24px clamp(18px, 5vw, 64px) 42px;
}

.tool-gallery {
    display: grid;
    gap: 12px;
}

.main-image {
    aspect-ratio: 4 / 3;
    background: var(--color-soft);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.main-image img,
.thumb-row img {
    height: 100%;
    object-fit: contain;
    width: 100%;
}

.gallery-nav {
    align-items: center;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--color-line);
    border-radius: 999px;
    color: var(--color-ink);
    cursor: pointer;
    display: flex;
    font-size: 34px;
    font-weight: 700;
    height: 46px;
    justify-content: center;
    line-height: 1;
    margin-top: -23px;
    padding: 0 0 4px;
    position: absolute;
    top: 50%;
    width: 46px;
}

.gallery-nav:hover,
.gallery-nav:focus-visible {
    background: var(--color-white);
    border-color: var(--color-green);
}

.gallery-nav.prev {
    left: 14px;
}

.gallery-nav.next {
    right: 14px;
}

.thumb-row {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
}

.thumb-row button {
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
}

.thumb-row img {
    aspect-ratio: 4 / 3;
    border: 1px solid var(--color-line);
    border-radius: 8px;
}

.thumb-row button.is-active img,
.thumb-row button:focus-visible img {
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(93, 143, 61, 0.18);
}

.tool-summary {
    align-self: start;
    display: grid;
    gap: 20px;
    position: sticky;
    top: 96px;
}

.tool-summary h1 {
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.04;
    margin: 0;
}

.tool-model {
    color: var(--color-muted);
    font-weight: 800;
    margin: -12px 0 0;
}

.price-box {
    display: grid;
    gap: 12px;
    padding: 20px;
}

.price-line,
.deposit-line {
    align-items: center;
    display: flex;
    gap: 18px;
    justify-content: space-between;
}

.price-line span,
.deposit-line span {
    color: var(--color-muted);
}

.deposit-line {
    border-top: 1px solid var(--color-line);
    padding-top: 12px;
}

.detail-info,
.request-section,
.rental-steps,
.related-tools {
    display: grid;
    gap: 18px;
    padding: 0 clamp(18px, 5vw, 64px) 48px;
}

.request-section {
    align-items: start;
    grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1fr);
}

.request-section h2 {
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.08;
    margin: 8px 0 12px;
}

.request-section p {
    color: var(--color-muted);
    margin: 0;
}

.marketplace-note {
    background: #f4f9f0;
    border: 1px solid #dbe8d1;
    border-radius: 8px;
    display: grid;
    gap: 6px;
    margin-top: 18px;
    padding: 14px;
}

.marketplace-note strong {
    color: var(--color-green-dark);
}

.marketplace-note span {
    color: var(--color-muted);
}

.request-panel {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    padding: 22px;
}

.request-form {
    display: grid;
    gap: 18px;
}

.availability-calendar {
    border: 1px solid var(--color-line);
    border-radius: 8px;
    display: grid;
    gap: 14px;
    padding: 14px;
}

.availability-calendar-head {
    align-items: center;
    display: flex;
    justify-content: space-between;
}

.availability-calendar-head button {
    align-items: center;
    background: var(--color-soft);
    border: 1px solid var(--color-line);
    border-radius: 999px;
    color: var(--color-ink);
    cursor: pointer;
    display: flex;
    font-size: 24px;
    font-weight: 900;
    height: 36px;
    justify-content: center;
    line-height: 1;
    padding: 0 0 3px;
    width: 36px;
}

.availability-calendar-head button:hover,
.availability-calendar-head button:focus-visible {
    border-color: var(--color-green);
}

.availability-calendar-months {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 236px;
}

.availability-calendar-month {
    display: grid;
    gap: 10px;
}

.availability-calendar-month h3 {
    font-size: 15px;
    margin: 0;
}

.availability-calendar-grid {
    display: grid;
    gap: 5px;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.availability-calendar-grid .weekday,
.availability-calendar-grid .empty,
.availability-calendar-grid button {
    align-items: center;
    aspect-ratio: 1;
    border-radius: 6px;
    display: flex;
    font-size: 12px;
    font-weight: 900;
    justify-content: center;
    min-width: 0;
}

.availability-calendar-grid .weekday {
    aspect-ratio: auto;
    color: var(--color-muted);
    font-size: 11px;
    height: 18px;
}

.availability-calendar-grid button {
    border: 1px solid var(--color-line);
    cursor: pointer;
}

.availability-calendar-grid button.free {
    background: #f4f9f0;
    color: #375d24;
}

.availability-calendar-grid button.blocked {
    background: #f1eee7;
    color: #887d6b;
}

.availability-calendar-grid button.past {
    background: #f6f6f4;
    color: #b4afa6;
}

.availability-calendar-grid button.selected {
    background: var(--color-green);
    border-color: var(--color-green-dark);
    color: var(--color-white);
}

.availability-calendar-grid button:disabled {
    cursor: not-allowed;
}

.availability-calendar-grid button:not(:disabled):hover,
.availability-calendar-grid button:not(:disabled):focus-visible {
    border-color: var(--color-green-dark);
    box-shadow: 0 0 0 3px rgba(93, 143, 61, 0.18);
}

.availability-calendar-legend {
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 12px;
    font-weight: 800;
    gap: 12px;
}

.availability-calendar-legend span {
    align-items: center;
    display: inline-flex;
    gap: 6px;
}

.availability-calendar-legend i {
    border: 1px solid var(--color-line);
    border-radius: 999px;
    height: 10px;
    width: 10px;
}

.availability-calendar-legend .free {
    background: #f4f9f0;
}

.availability-calendar-legend .blocked {
    background: #f1eee7;
}

.availability-calendar-legend .selected {
    background: var(--color-green);
}

.request-message {
    border-radius: 8px;
    font-weight: 800;
    padding: 13px 14px;
}

.request-message.success {
    background: #e6f1df;
    color: #375d24;
}

.request-message.error {
    background: #fae1de;
    color: #842b24;
}

.availability-message {
    border: 1px solid var(--color-line);
    border-radius: 8px;
    color: var(--color-muted);
    font-weight: 800;
    padding: 11px 12px;
}

.availability-message.available {
    background: #f1f8ec;
    border-color: #c6deb7;
    color: #375d24;
}

.availability-message.unavailable {
    background: #fff8e7;
    border-color: #ecd38e;
    color: #76520d;
}

.availability-message.neutral {
    background: var(--color-soft);
}

.quote-box {
    background: #f4f9f0;
    border: 1px solid #dbe8d1;
    border-radius: 8px;
    display: grid;
    gap: 5px;
    padding: 14px;
}

.quote-box span,
.quote-box small {
    color: var(--color-muted);
    font-size: 13px;
    font-weight: 800;
}

.quote-box strong {
    color: var(--color-green-dark);
    font-size: 28px;
    line-height: 1.1;
}

.quote-box b {
    color: var(--color-ink);
}

.request-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.request-grid .full {
    grid-column: 1 / -1;
}

.request-grid label {
    color: var(--color-muted);
    display: grid;
    font-size: 13px;
    font-weight: 800;
    gap: 7px;
}

.request-grid input,
.request-grid textarea {
    border: 1px solid var(--color-line);
    border-radius: 8px;
    color: var(--color-ink);
    font: inherit;
    padding: 11px 12px;
    width: 100%;
}

.request-grid textarea {
    min-height: 120px;
    resize: vertical;
}

.rental-steps {
    align-items: start;
    grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
}

.rental-steps h2 {
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.1;
    margin: 8px 0 0;
}

.rental-steps ol {
    counter-reset: steps;
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
}

.rental-steps li {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    counter-increment: steps;
    display: grid;
    gap: 8px;
    padding: 18px;
}

.rental-steps li::before {
    align-items: center;
    background: var(--color-green);
    border-radius: 999px;
    color: var(--color-white);
    content: counter(steps);
    display: flex;
    font-weight: 900;
    height: 28px;
    justify-content: center;
    width: 28px;
}

.rental-steps span {
    color: var(--color-muted);
}

.detail-info {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.detail-info > div {
    padding: 22px;
}

.detail-info p {
    color: var(--color-muted);
    margin-bottom: 0;
}

.compact-tool-list {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.compact-tool-list a {
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    display: grid;
    font-weight: 800;
    gap: 12px;
    grid-template-columns: 74px minmax(0, 1fr);
    padding: 10px;
}

.compact-tool-list img {
    aspect-ratio: 4 / 3;
    background: var(--color-soft);
    border-radius: 6px;
    object-fit: contain;
}

.site-footer {
    align-items: center;
    background: var(--color-ink);
    color: var(--color-white);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    padding: 26px clamp(18px, 5vw, 64px);
}

.site-footer p {
    color: #d8ded6;
    margin: 10px 0 0;
}

.site-footer a {
    font-weight: 800;
}

.footer-links {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.legal-page {
    display: grid;
    gap: 26px;
    margin: 0 auto;
    max-width: 980px;
    padding: 52px clamp(18px, 5vw, 64px) 72px;
}

.legal-page h1 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.05;
    margin: 10px 0 0;
}

.legal-page header p {
    color: var(--color-muted);
    margin: 12px 0 0;
}

.legal-content {
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: 8px;
    padding: clamp(20px, 4vw, 34px);
}

.legal-content h2,
.legal-content h3 {
    line-height: 1.2;
}

.legal-content a {
    color: var(--color-green-dark);
    font-weight: 800;
    text-decoration: underline;
}

@media (max-width: 860px) {
    .catalog-hero,
    .catalog-shell,
    .rental-steps,
    .request-section,
    .tool-detail {
        grid-template-columns: 1fr;
    }

    .marketplace-hint {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-panel,
    .catalog-filter,
    .tool-summary {
        position: static;
    }

    .catalog-filter {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .catalog-filter h2 {
        display: none;
    }
}

@media (max-width: 620px) {
    .site-header,
    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .featured-tool {
        grid-template-columns: 1fr;
    }

    .featured-media {
        aspect-ratio: 16 / 10;
    }

    .request-grid {
        grid-template-columns: 1fr;
    }

    .rental-steps ol {
        grid-template-columns: 1fr;
    }

    .availability-calendar-months {
        grid-template-columns: 1fr;
    }
}