/*
  venkov_website – Basis-Stylesheet
  Ziel: Sauberes Grundgerüst + professionelles visuelles Basissystem.
  Hinweis: Zurückhaltend, modern, wartbar. Keine finalen Inhalte/Branding.
*/

/* ===== Reset / Basis ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

/* Bessere Lesbarkeit / Rendering */
html {
  -webkit-text-size-adjust: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

/* ===== Variablen ===== */
:root {
  /* Layout */
  --container-max-width: 1200px;
  --container-padding: clamp(1rem, 3vw, 1.25rem);

  /* Farb-System (neutral + 1 Akzent) */
  --color-bg: #f6f7f8;
  --color-surface: #ffffff;
  --color-surface-2: #f1f3f5;

  --color-text: #111318;
  --color-muted: #4b5563;
  --color-border: rgba(17, 19, 24, 0.14);

  --color-accent: #c1121f;
  --color-accent-hover: #a50f19;
  --color-on-accent: #ffffff;

  /* Typografie */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Spacing (8px-basierte Skala) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;

  /* Shadows (zurückhaltend) */
  --shadow-sm: 0 1px 0 rgba(17, 19, 24, 0.06);
  --shadow-md: 0 8px 20px rgba(17, 19, 24, 0.10);

  /* Motion */
  --transition-fast: 150ms ease;

  /* A11y */
  --focus-ring: 2px solid rgba(193, 18, 31, 0.55);
  --focus-ring-offset: 2px;
}

/* ===== Grunddefinitionen ===== */
body {
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 1rem;
}

/* Typografie (minimal, aber hochwertig) */
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 {
  font-size: clamp(1.75rem, 2.6vw, 2.5rem);
}

h2 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h3 {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
}

p {
  margin: 0;
  color: var(--color-text);
}

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

a {
  color: inherit;
  text-decoration-color: rgba(17, 19, 24, 0.32);
  text-decoration-color: color-mix(in srgb, currentColor 45%, transparent);
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
  text-decoration-color: color-mix(in srgb, currentColor 85%, transparent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

button {
  cursor: pointer;
}

/* Buttons (generisch vorbereiten) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn:hover {
  border-color: color-mix(in srgb, var(--color-border) 35%, var(--color-text));
}

.btn-primary {
  background: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 65%, transparent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: color-mix(in srgb, var(--color-accent-hover) 70%, transparent);
}

.btn-secondary {
  background: transparent;
}

.btn-secondary:hover {
  background: rgba(193, 18, 31, 0.06);
  background: color-mix(in srgb, var(--color-accent) 6%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ===== Site-Struktur (minimal) ===== */
.site-header {
  padding-block: var(--space-3);
}

.site-footer {
  padding-block: var(--space-4);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  flex-wrap: wrap;
}

.site-header {
  background: var(--color-surface);
  background: color-mix(in srgb, var(--color-bg) 65%, var(--color-surface));
  border-bottom: 1px solid var(--color-border);
}

.site-branding {
  flex: 1;
  min-width: 0;
}

.site-brand {
  display: flex;
  align-items: center;
}

.site-branding-link,
.site-brand__link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}

.site-brand__logo {
  display: block;
  height: 48px;
  width: auto;
  max-width: 14.5rem;
  object-fit: contain;
}

@media (max-width: 420px) {
  .site-brand__logo {
    height: 44px;
    max-width: 13rem;
  }
}

@media (max-width: 360px) {
  .site-brand__logo {
    height: 40px;
    max-width: 11.5rem;
  }
}

@media (min-width: 768px) {
  .site-brand__logo {
    height: 64px;
    max-width: 16rem;
  }
}

@media (min-width: 1024px) {
  .site-brand__logo {
    height: 70px;
  }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: color-mix(in srgb, var(--color-border) 35%, var(--color-text));
  background: var(--color-surface-2);
}

.site-nav {
  display: none;
  flex-basis: 100%;
  padding-top: var(--space-2);
}

.site-header.is-nav-open .site-nav {
  display: block;
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  padding-bottom: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.site-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.site-nav a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 500;
  color: var(--color-muted);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover {
  background: rgba(193, 18, 31, 0.07);
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 28%, var(--color-border));
}

.site-nav a:active {
  background: rgba(193, 18, 31, 0.11);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--color-accent) 36%, var(--color-border));
}

.site-nav a[aria-current="page"] {
  background: rgba(193, 18, 31, 0.09);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  color: var(--color-text);
  border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
}

.site-nav a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.site-main {
  display: block;
}

.page-hero {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
}

.page-eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.page-hero h1 {
  margin: 0 0 var(--space-2);
}

.page-intro {
  margin: 0;
  max-width: 65ch;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
}

.page-content {
  padding-block: clamp(var(--space-6), 4vw, var(--space-10));
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-4);
  flex-wrap: wrap;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  background: color-mix(in srgb, var(--color-bg) 60%, var(--color-surface));
}

.site-footer-brand {
  margin: 0;
  font-weight: 600;
}

.site-footer-contact {
  margin: 0;
  flex-basis: 100%;
  overflow-wrap: break-word;
}

.site-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  flex-basis: 100%;
}

.site-footer-nav a {
  display: inline-flex;
  padding-block: 0.25rem;
  color: var(--color-muted);
  text-decoration: none;
}

.site-footer-nav a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-accent) 60%, transparent);
}

@media (min-width: 768px) {
  .site-branding {
    min-width: 12rem;
  }

  .site-footer-contact {
    flex-basis: auto;
  }

  .site-footer-nav {
    flex-basis: auto;
  }

  .site-header .container {
    flex-wrap: nowrap;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: block;
    flex-basis: auto;
    margin-left: auto;
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-top: 0;
  }

  .site-nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }

  .site-nav a {
    width: auto;
    min-height: auto;
    padding: 0.45rem 0.6rem;
  }
}

/* ===== Startseite: Sektionen (minimal) ===== */
.hero,
.overview,
.services-preview,
.why-us,
.projects-preview,
.cta-section {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
}

.hero {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.hero__content {
  max-width: 70ch;
}

.hero__eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero__intro {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-size: clamp(1rem, 1.2vw, 1.1rem);
}

.hero__actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 480px) {
  .btn {
    min-height: 44px;
  }
}

@media (max-width: 420px) {
  .hero__actions,
  .contact-cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn,
  .contact-cta__actions .btn {
    width: 100%;
  }
}

.section-heading {
  margin-bottom: var(--space-6);
  max-width: 70ch;
}

.section-heading h2 {
  margin: 0 0 var(--space-2);
}

.section-heading p {
  margin: 0;
}

.section-actions {
  margin-top: var(--space-6);
}

.overview__grid,
.services-preview__grid,
.why-us__grid,
.projects-preview__grid {
  display: grid;
  gap: var(--space-4);
}

.overview__grid,
.services-preview__grid,
.projects-preview__grid {
  grid-template-columns: 1fr;
}

.why-us__grid {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .overview__grid,
  .services-preview__grid,
  .projects-preview__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .why-us__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Card (generisch, zurückhaltend) */
.card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 25%, var(--color-border));
  box-shadow: var(--shadow-md);
}

.card h3 {
  margin: 0 0 var(--space-2);
}

.card p {
  margin: 0;
}

.service-card .btn {
  margin-top: var(--space-4);
}

.project-preview-card {
  padding: var(--space-6);
  border: 1px dashed color-mix(in srgb, var(--color-border) 70%, var(--color-text));
  border-radius: var(--radius-md);
  background: var(--color-surface);
  min-height: 10rem;
  display: grid;
  place-items: center;
}

/* ===== Projects: Layout (minimal) ===== */
.projects-intro__grid,
.projects-categories__grid,
.projects-trust__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .projects-intro__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .projects-categories__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .projects-trust__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* CTA (abschließend) */
.cta-section {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.cta-section__content {
  max-width: 70ch;
}

.cta-section__content h2 {
  margin: 0 0 var(--space-2);
}

.cta-section__content p {
  margin: 0 0 var(--space-5);
}

/* ===== About: Layout (minimal) ===== */
.about-story,
.about-values,
.about-trust,
.about-cta {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
}

.about-story__grid {
  display: grid;
  gap: var(--space-6);
}

.about-story__content {
  max-width: 70ch;
}

.about-story__content p + p {
  margin-top: var(--space-4);
}

.about-story__list {
  margin: var(--space-3) 0 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.about-values__grid,
.about-trust__grid {
  display: grid;
  gap: var(--space-4);
}

.about-values__grid,
.about-trust__grid {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .about-story__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .about-values__grid,
  .about-trust__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.about-cta {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.about-cta__content {
  max-width: 70ch;
}

.about-cta__content h2 {
  margin: 0 0 var(--space-2);
}

.about-cta__content p {
  margin: 0 0 var(--space-5);
}

/* ===== Services: Layout (minimal) ===== */
.services-overview,
.services-listing,
.services-process,
.services-cta {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
}

.services-overview__grid {
  display: grid;
  gap: var(--space-6);
}

.services-overview__content {
  max-width: 70ch;
}

.services-overview__content p + p {
  margin-top: var(--space-4);
}

.services-bullets {
  margin: var(--space-3) 0 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.services-bullets li + li {
  margin-top: var(--space-2);
}

.services-listing__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.service-feature-card .btn {
  margin-top: var(--space-4);
}

.services-process__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .services-overview__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .services-listing__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services-process__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.services-cta {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.services-cta__content {
  max-width: 70ch;
}

.services-cta__content h2 {
  margin: 0 0 var(--space-2);
}

.services-cta__content p {
  margin: 0 0 var(--space-5);
}

/* ===== Service Detail: Layout (minimal) ===== */
.service-detail-intro,
.service-detail-scope,
.service-detail-benefits,
.service-detail-trust,
.service-detail-cta {
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
}

.service-detail-intro__grid {
  display: grid;
  gap: var(--space-6);
}

.service-detail-intro__content {
  max-width: 70ch;
}

.service-detail-intro__content p + p {
  margin-top: var(--space-4);
}

.service-detail-bullets {
  margin: var(--space-3) 0 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.service-detail-bullets li + li {
  margin-top: var(--space-2);
}

.service-detail-scope__grid,
.service-detail-benefits__grid,
.service-detail-trust__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .service-detail-intro__grid {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .service-detail-benefits__grid,
  .service-detail-trust__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .service-detail-scope__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.service-detail-cta {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.service-detail-cta__content {
  max-width: 70ch;
}

.service-detail-cta__content h2 {
  margin: 0 0 var(--space-2);
}

.service-detail-cta__content p {
  margin: 0 0 var(--space-5);
}

/* ===== Contact: Layout (minimal) ===== */
.contact-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.contact-value {
  margin-top: var(--space-3);
  font-weight: 600;
  font-size: 1.15rem;
  overflow-wrap: break-word;
}

.contact-value a {
  display: inline-block;
  padding-block: 0.15rem;
}

.contact-list {
  margin: var(--space-3) 0 0;
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.contact-list li + li {
  margin-top: var(--space-2);
}

.contact-cta {
  margin-top: clamp(var(--space-8), 4vw, var(--space-10));
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.contact-cta h2 {
  margin: 0 0 var(--space-2);
}

.contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ===== Inquiry Form (Contact) ===== */
.inquiry-form-wrapper {
  margin-top: clamp(var(--space-8), 4vw, var(--space-10));
}

.inquiry-form__note {
  margin: 0 0 var(--space-5);
  max-width: 70ch;
}

.inquiry-form__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.inquiry-form__field {
  display: grid;
  gap: var(--space-2);
}

.inquiry-form__field label {
  font-weight: 600;
}

.inquiry-form__required {
  color: var(--color-accent);
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.inquiry-form textarea {
  min-height: 9.5rem;
  resize: vertical;
}

.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
  color: color-mix(in srgb, var(--color-muted) 75%, transparent);
}

.inquiry-form__hint {
  margin: 0;
  font-size: 0.95rem;
}

.inquiry-form__actions {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.form-status {
  margin: 0;
  margin-top: var(--space-2);
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
}

.form-status:empty {
  display: none;
}

.form-status.is-success {
  border-color: color-mix(in srgb, #16a34a 35%, var(--color-border));
  background: color-mix(in srgb, #16a34a 10%, var(--color-surface));
}

.form-status.is-error {
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
  background: color-mix(in srgb, var(--color-accent) 9%, var(--color-surface));
}

.inquiry-form__privacy {
  margin: 0;
  max-width: 70ch;
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .inquiry-form__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .inquiry-form__field--full {
    grid-column: 1 / -1;
  }

  .inquiry-form__actions {
    justify-items: start;
  }
}