/* ============================================================
   KID-Institut — Shared Stylesheet
   Used by all pages (DE and EN). Edit here to change site-wide
   design — no need to touch individual page files.
   ============================================================ */

:root {
  --ink: #1F2A24;
  --paper: #F6F4EE;
  --moss: #4A6B5A;
  --moss-light: #E4ECE6;
  --signal: #D9772E;
  --signal-light: #FAEBDD;
  --line: #D8D3C5;
  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
}

a { color: var(--moss); text-decoration: none; }
a:hover { text-decoration: underline; }

.sr-only {
  position: absolute;
  left: -9999px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
header.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo-placeholder {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--moss);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--moss);
  flex-shrink: 0;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}
nav.main-nav a {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}
nav.main-nav a:hover { color: var(--moss); text-decoration: none; }

.lang-switch {
  display: flex;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.lang-switch a {
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
}
.lang-switch a[aria-current="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.lang-switch a:hover { text-decoration: none; border-color: var(--moss); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font-size: 1.2rem;
  color: var(--ink);
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-text .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 0.9rem;
  display: block;
}
.hero-text h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4.2vw, 3.1rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.hero-text .lead {
  font-size: 1.05rem;
  color: #4A4F49;
  max-width: 34em;
  margin-bottom: 1.75rem;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--signal);
  color: #fff;
}
.btn-primary:hover { background: #C0671F; text-decoration: none; }
.btn-secondary {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-secondary:hover { background: var(--moss-light); text-decoration: none; }

.hero-figure {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  aspect-ratio: 4 / 3;
}
.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Sections ---------- */
section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}
section + section {
  border-top: 1px solid var(--line);
}
.section-head {
  margin-bottom: 1.75rem;
}
.section-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--moss);
  display: block;
  margin-bottom: 0.6rem;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  letter-spacing: -0.01em;
}

/* About / What we do */
.split {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}
.split p { margin-bottom: 1rem; max-width: 38em; }
.split p:last-child { margin-bottom: 0; }

.info-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.5rem;
  background: #fff;
}
.info-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
}
.info-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.info-card li {
  display: flex;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: #4A4F49;
}
.info-card .dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  margin-top: 0.55rem;
}

/* Projects */
.projects-intro {
  max-width: 42em;
  margin-bottom: 0.5rem;
}
.projects-note {
  border-left: 3px solid var(--moss);
  padding: 0.9rem 1.25rem;
  background: var(--moss-light);
  border-radius: 0 8px 8px 0;
  font-size: 0.92rem;
  color: #36473F;
  margin-top: 1.5rem;
}
.projects-note strong { color: var(--ink); }

/* Membership */
.membership-body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}
.membership-body p { max-width: 38em; margin-bottom: 1rem; }
.membership-body p:last-child { margin-bottom: 0; }
.step-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  overflow: hidden;
  list-style: none;
}
.step-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  font-size: 0.92rem;
}
.step-list li + li { border-top: 1px solid var(--line); }
.step-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--moss);
  border: 1px solid var(--moss);
  border-radius: 4px;
  width: 1.6rem;
  height: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Newsletter */
.newsletter {
  background: var(--ink);
  color: var(--paper);
}
.newsletter .section-head .eyebrow { color: #9FC4AE; }
.newsletter .section-head h2 { color: var(--paper); }
.newsletter p {
  color: #C9CFC9;
  max-width: 38em;
  margin-bottom: 1.75rem;
}
.newsletter-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  max-width: 32em;
}
.newsletter-form input[type="email"] {
  flex: 1 1 16rem;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  border: 1px solid #3E4A42;
  background: #28352E;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.newsletter-form input[type="email"]::placeholder { color: #8A958E; }
.newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
}
.newsletter-hint {
  font-size: 0.82rem;
  color: #8A958E;
  margin-top: 0.85rem;
  margin-bottom: 0;
}
.newsletter-csrf { display: none; }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 0.9rem;
}
.footer-col p {
  font-size: 0.9rem;
  color: #4A4F49;
  margin-bottom: 0.4rem;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.footer-col a {
  font-size: 0.9rem;
  color: var(--ink);
}
.footer-col a:hover { color: var(--moss); }
.footer-bottom {
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 1.25rem 1.5rem;
  font-size: 0.82rem;
  color: #7C857E;
}

/* ---------- Cookie consent overlay ---------- */
.cookie-overlay {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: #FFFDF7;
}
.cookie-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}
.cookie-text {
  flex: 1 1 22rem;
  font-size: 0.88rem;
  color: #4A4F49;
}
.cookie-text a { color: var(--moss); }
.cookie-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.cookie-actions button {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
}
.cookie-actions button.primary {
  background: var(--ink);
  color: var(--paper);
}
.cookie-actions button:hover { opacity: 0.85; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .hero-figure { order: -1; }
  .split, .membership-body { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Form pages — login, registration, password reset
   Added: Step 3.5
   ============================================================ */

/* Narrow centred layout for auth forms */
.auth-page {
  min-height: 80vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 1.5rem 4rem;
}
.auth-card {
  width: 100%;
  max-width: 480px;
}
.auth-card .section-head {
  margin-bottom: 1.5rem;
}

/* Popup mode: full-height centered, no site chrome */
.popup-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: var(--paper);
}
.popup-card {
  width: 100%;
  max-width: 400px;
}
.popup-card .logo-mark {
  margin-bottom: 1.25rem;
}

/* Form layout */
.form-group {
  margin-bottom: 1.1rem;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.form-group label .required {
  color: var(--signal);
  margin-left: 0.2rem;
}
.form-control {
  display: block;
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  transition: border-color 0.15s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(74,107,90,0.12);
}
.form-control.is-invalid {
  border-color: #C0392B;
}

/* Two-column row for name fields */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* Checkbox / terms */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: #4A4F49;
  margin-bottom: 1.1rem;
}
.form-check input[type="checkbox"] {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  margin-top: 0.15rem;
  accent-color: var(--moss);
  cursor: pointer;
}
.form-check a { color: var(--moss); }

/* Error / info message boxes */
.alert {
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.alert-error {
  background: #FDF0EF;
  border: 1px solid #E8BCBA;
  color: #8B2E2E;
}
.alert-success {
  background: var(--moss-light);
  border: 1px solid #B4CEBC;
  color: #2A4D38;
}
.alert-info {
  background: #EEF3FB;
  border: 1px solid #BDD0EF;
  color: #2A3D6A;
}
.alert ul {
  margin: 0.4rem 0 0 1.1rem;
  padding: 0;
}
.alert ul li { margin-bottom: 0.2rem; }

/* Form divider */
.form-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 1.5rem 0;
}

/* Form footer links */
.form-footer {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: #4A4F49;
  text-align: center;
}
.form-footer a { color: var(--moss); }

/* Submit button full width in forms */
.btn-block { width: 100%; justify-content: center; }

/* Password hint */
.form-hint {
  font-size: 0.78rem;
  color: #7C857E;
  margin-top: 0.3rem;
}

/* Confirmation step */
.confirm-box {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.confirm-box .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.confirm-box h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}
.confirm-box p {
  color: #4A4F49;
  font-size: 0.95rem;
  max-width: 28em;
  margin: 0 auto 0.75rem;
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .auth-page { padding: 1.5rem 1rem 3rem; }
}