/* =========================================================
   Gartenverein Zug — static site stylesheet
   Design system: garden green primary, cream background,
   editorial serif headings, generous spacing, modern cards.
   ========================================================= */

:root {
  --color-primary: #2f6b3a;
  --color-primary-dark: #224d29;
  --color-primary-light: #4a8d56;
  --color-accent: #c87a55;
  --color-accent-dark: #a85f3e;
  --color-bg: #faf7f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f1ede2;
  --color-text: #1f2421;
  --color-text-muted: #5b6360;
  --color-border: #e3ddcc;
  --color-shadow: rgba(31, 36, 33, 0.08);

  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px var(--color-shadow);
  --shadow-md: 0 6px 18px var(--color-shadow);
  --shadow-lg: 0 16px 40px rgba(31, 36, 33, 0.12);

  --container: 72rem;

  --transition: 200ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #161a17;
    --color-surface: #1f2421;
    --color-surface-alt: #262c28;
    --color-text: #e8e6df;
    --color-text-muted: #a7ada8;
    --color-border: #2f3531;
    --color-shadow: rgba(0, 0, 0, 0.4);
    --color-primary: #5fa46c;
    --color-primary-dark: #4a8d56;
    --color-primary-light: #7fc18b;
  }
}

/* ---------- base ---------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: url("../img/cursor-sunflower.svg") 16 16, auto;
}

a,
button,
.btn,
label,
select,
summary,
[role="button"] {
  cursor: url("../img/cursor-sunflower.svg") 16 16, pointer;
}

input[type="text"],
input[type="email"],
textarea {
  cursor: url("../img/cursor-sunflower.svg") 16 16, text;
}

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

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.6em;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.6rem);
}
h2 {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.2rem);
}
h3 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 1.1em;
}

::selection {
  background: var(--color-primary);
  color: #fff;
}

/* ---------- layout helpers ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--color-surface-alt);
}

.section-intro {
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 240, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(22, 26, 23, 0.85);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover,
.brand:focus {
  color: var(--color-primary);
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-text {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- navigation ---------- */

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  width: 28px;
  height: 22px;
  position: relative;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), top var(--transition);
}

.nav-toggle-label span {
  top: 10px;
}
.nav-toggle-label span::before {
  top: -8px;
}
.nav-toggle-label span::after {
  top: 8px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.4rem;
}

.primary-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 0.4rem 0;
  position: relative;
}

.primary-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

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

.primary-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.lang-switch a,
.lang-switch span {
  padding: 0.35rem 0.85rem;
  color: var(--color-text-muted);
  text-decoration: none;
  text-transform: uppercase;
}

.lang-switch a:hover {
  color: var(--color-primary);
  background: var(--color-surface-alt);
}

.lang-switch .is-active {
  background: var(--color-primary);
  color: #fff;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  color: #fff;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background-color: #2a3a2c;
  background-image:
    linear-gradient(180deg, rgba(20, 30, 22, 0.45) 0%, rgba(20, 30, 22, 0.75) 100%),
    url("../img/hero.jpg");
  background-size: cover;
  background-position: center;
}

.hero--compact {
  min-height: 38vh;
}

.hero-inner {
  padding: 5rem 0;
  max-width: 48rem;
}

.hero h1 {
  color: #fff;
  margin-bottom: 0.4em;
}

.hero .lead {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 36rem;
}

.hero .eyebrow {
  color: #fff;
  opacity: 0.85;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition),
    box-shadow var(--transition);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

/* ---------- quotes ---------- */

.quotes {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.quote {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.6rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--color-text);
}

.quote::before {
  content: "\201C";
  position: absolute;
  top: -1.4rem;
  left: 0.8rem;
  font-family: var(--font-serif);
  font-size: 4.5rem;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 1;
}

.quote-author {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ---------- cards (gardens, downloads) ---------- */

.card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card .eyebrow {
  margin-bottom: 0.4rem;
}

.card h3 {
  margin-bottom: 0.6rem;
  font-family: var(--font-serif);
}

.card p {
  margin: 0 0 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.card .contact-line {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
  color: var(--color-text);
  font-size: 0.95rem;
}

.card .contact-line strong {
  color: var(--color-text);
}

/* download card variant */

.download-card {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 1.2rem;
  align-items: center;
}

.download-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.download-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
}

.download-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

@media (max-width: 540px) {
  .download-card {
    grid-template-columns: 56px 1fr;
  }
  .download-card .btn {
    grid-column: 1 / -1;
    justify-self: stretch;
  }
}

/* ---------- forms ---------- */

.form {
  max-width: 38rem;
  margin: 0 auto;
  background: var(--color-surface);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.form-row {
  margin-bottom: 1.2rem;
}

.form label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(47, 107, 58, 0.15);
}

.form textarea {
  resize: vertical;
  min-height: 140px;
}

.form .btn {
  width: 100%;
}

.form-note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ---------- contact info block ---------- */

.contact-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2rem;
}

.contact-block h3 {
  margin-bottom: 0.4rem;
  font-size: 1.15rem;
}

.contact-block p {
  margin: 0.1rem 0;
  color: var(--color-text-muted);
}

/* ---------- org chart (about us) ---------- */

.org-chart {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.org-intro {
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  text-align: center;
  color: var(--color-text-muted);
}

.org-root {
  margin-bottom: 0;
}

.org-root-label {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.org-root-sub {
  margin: 0.35rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.org-branch-header {
  margin: 0;
  text-align: center;
}

.org-branch-header .org-root-sub {
  margin: 0;
}

.org-stem {
  width: 2px;
  height: 1.25rem;
  margin: 0 auto -1px;
  background: var(--color-primary);
}

.org-level {
  display: grid;
  gap: 1rem;
  margin: 0 auto;
  text-align: left;
}

.org-level--zv {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  max-width: 56rem;
}

.org-level--areale {
  grid-template-columns: repeat(3, 1fr);
  max-width: 56rem;
}

.org-node {
  height: 100%;
}

.org-node h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.org-node .contact-line {
  margin-top: auto;
}

/* Areale junction: horizontal bar + drops to cards (stems above from branch header) */
.org-junction {
  position: relative;
  max-width: 56rem;
  height: 1.25rem;
  margin: 0 auto;
}

.org-junction::after {
  content: "";
  position: absolute;
  top: 0;
  left: 16.67%;
  right: 16.67%;
  height: 2px;
  background: var(--color-primary);
}

.org-level--areale .org-node {
  position: relative;
}

.org-level--areale .org-node::before {
  content: "";
  position: absolute;
  top: calc(-1.25rem - 1px);
  left: 50%;
  width: 2px;
  height: calc(1.25rem + 1px);
  background: var(--color-primary);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .org-junction {
    height: 1.25rem;
  }

  .org-junction::after {
    display: none;
  }

  .org-level--areale {
    grid-template-columns: 1fr;
  }

  .org-level--areale .org-node::before {
    display: none;
  }
}

/* ---------- footer ---------- */

.site-footer {
  background: #1a201c;
  color: #d8d6cf;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.site-footer a {
  color: #cfead2;
}

.site-footer a:hover {
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 2rem;
}

.footer-grid h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: #fff;
  margin: 0 0 0.8rem;
}

.footer-grid p,
.footer-grid li {
  margin: 0.2rem 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid #2c332e;
  padding-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.82rem;
  color: #9da39e;
}

/* ---------- mobile nav ---------- */

@media (max-width: 820px) {
  .nav-toggle-label {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1.5rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .primary-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .primary-nav li {
    border-bottom: 1px solid var(--color-border);
  }

  .primary-nav a {
    display: block;
    padding: 0.85rem 0;
    font-size: 1.05rem;
  }

  .primary-nav a.is-active::after {
    display: none;
  }

  .lang-switch {
    margin-top: 1rem;
    align-self: flex-start;
  }

  .nav-toggle:checked ~ .primary-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle:checked ~ .nav-toggle-label span {
    background: transparent;
  }

  .nav-toggle:checked ~ .nav-toggle-label span::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav-toggle:checked ~ .nav-toggle-label span::after {
    top: 0;
    transform: rotate(-45deg);
  }
}