/* ==========================================================================
   Μουσικοθεραπεία — Θεμιστοκλής Χατζής
   Το --accent-color άλλαξε από #6fafa8 σε #3d7d76 (αντίθεση 4,78:1 με λευκό,
   4,51:1 με το --bg-color). Το παλιό έδινε 2,51:1 και απέτυχε στο WCAG AA.
   ========================================================================== */

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

:root {
  --bg-color: #fbf8f3;
  --accent-color: #3d7d76;
  --text-color: #4b433d;
  --white: #ffffff;
  --light-gray: #e8e5e0;
  --error-color: #a33a32;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 19px;
  margin: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8;
  text-align: left;
}

img { max-width: 100%; }

/* --- Προσβασιμότητα --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent-color);
  color: var(--white);
  padding: 12px 20px;
  z-index: 2000;
  text-decoration: none;
  font-weight: bold;
}
.skip-link:focus {
  left: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--text-color);
  outline-offset: 2px;
}

/* --- Πλοήγηση --- */
nav {
  background-color: rgba(255,255,255,0.95);
  padding: 20px 0;
  text-align: center;
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 1000;
  border-bottom: 4px solid var(--accent-color);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-buttons a {
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  margin: 0 5px;
  display: inline-block;
  padding: 8px 14px;
  border: 2px solid var(--accent-color);
  border-radius: 4px;
  background-color: var(--accent-color);
  transition: all 0.3s ease;
}
.nav-buttons a:hover {
  background-color: transparent;
  color: var(--accent-color);
}

/* --- Επικεφαλίδα --- */
header { padding: 40px 20px 20px 20px; text-align: center; }
.logo-container img { width: 320px; max-width: 100%; height: auto; margin-bottom: 20px; }
.header-info h1 { text-transform: uppercase; letter-spacing: 5px; font-size: 2rem; margin: 10px 0 5px 0; font-weight: normal; }
.header-info p.subtitle { text-transform: uppercase; letter-spacing: 2px; font-size: 1.1rem; margin: 0 0 20px 0; opacity: 0.8; }

.slogan-bar { background-color: var(--accent-color); padding: 15px 0; text-align: center; }
.slogan { color: #fff; font-style: italic; font-size: 1.4rem; letter-spacing: 1px; display: block; }

.cta-container { text-align: center; margin: 30px 0; }
.cta-button {
  display: inline-block;
  padding: 12px 25px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 25px;
  margin: 5px 10px;
  background-color: var(--accent-color);
  color: white;
}

/* --- Carousel --- */
.carousel {
  position: relative;
  width: 90%;
  max-width: 1100px;
  margin: 30px auto;
}

.simple-carousel {
  display: flex;
  overflow-x: auto;
  gap: 0px;
  width: 100%;
  scroll-snap-type: x mandatory;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  aspect-ratio: 16 / 9;
}

/* Όταν αναλάβει η JavaScript, κρύβουμε τη μπάρα κύλισης: η πλοήγηση
   γίνεται πλέον με τα κουμπιά, τις κουκκίδες ή με σύρσιμο. */
.carousel--ready .simple-carousel {
  scrollbar-width: none;
}
.carousel--ready .simple-carousel::-webkit-scrollbar {
  display: none;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent-color);
  font-size: 1.9rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.22);
  transition: background-color .2s ease, transform .2s ease;
  z-index: 2;
}
.carousel-arrow span { transform: translateY(-2px); }
.carousel-arrow:hover {
  background: var(--accent-color);
  color: var(--white);
}
.carousel-arrow--prev { left: 12px; }
.carousel-arrow--next { right: 12px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}
.carousel-dot {
  width: 11px;
  height: 11px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--accent-color);
  background: transparent;
  cursor: pointer;
  transition: background-color .2s ease, transform .2s ease;
}
.carousel-dot:hover { background: rgba(61, 125, 118, 0.45); }
.carousel-dot.is-active {
  background: var(--accent-color);
  transform: scale(1.25);
}
.simple-carousel picture { flex-shrink: 0; width: 100%; height: 100%; scroll-snap-align: start; }
.simple-carousel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Ενότητες --- */
.container { width: 100%; margin: auto; padding: 0; }
.section-wrapper {
  display: flex;
  padding: 80px 10%;
  border-bottom: 4px solid var(--accent-color);
  box-sizing: border-box;
}
.section-wrapper--flush { border-bottom: none; }

/* Ενότητες με πράσινο φόντο (αντικαθιστά τα inline styles) */
.section-wrapper--accent {
  background-color: var(--accent-color);
  color: var(--white);
}

.label-col { width: 25%; text-align: left; }
.label-col h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  padding-bottom: 5px;
  margin: 0;
  font-weight: bold;
  color: var(--accent-color);
  border-bottom: 2px solid var(--accent-color);
}
.section-wrapper--accent .label-col h2 {
  color: var(--white);
  border-bottom-color: var(--white);
}

.content-col { width: 75%; padding-left: 50px; }
.content-col h3 { font-size: 1.8rem; margin: 0 0 20px 0; font-weight: normal; }
.content-col h4 { font-size: 1.15rem; margin: 30px 0 10px 0; font-weight: bold; }
.content-col p { margin-bottom: 15px; }
.content-col ul { margin-bottom: 20px; line-height: 1.8; }
.content-col li { margin-bottom: 8px; }

/* --- Πτυσσόμενο περιεχόμενο --- */
details summary {
  cursor: pointer;
  font-size: 0.95rem;
  list-style: none;
  margin-top: 15px;
  display: inline-block;
  font-weight: bold;
  text-transform: uppercase;
}
details summary::-webkit-details-marker { display: none; }
.section-wrapper--accent details summary { color: var(--white); }

/* Το κείμενο είναι πραγματικό περιεχόμενο του <summary>, όχι ψευδοστοιχείο,
   ώστε να το διαβάζουν οι αναγνώστες οθόνης και οι μηχανές αναζήτησης. */
details summary .toggle-close { display: none; }
details[open] summary .toggle-open { display: none; }
details[open] summary .toggle-close { display: inline; }
details summary .toggle-sign { font-weight: bold; }

.extra-content {
  padding-top: 20px;
  margin-top: 15px;
  border-top: 2px dashed var(--accent-color);
}
.section-wrapper--accent .extra-content { border-top-color: var(--white); }

.round-pic {
  width: 180px; height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--white);
  display: block;
  margin-bottom: 25px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* --- Φόρμα --- */
.simple-form { max-width: 500px; margin-top: 20px; }
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 0.9rem;
  font-weight: bold;
  margin-bottom: 6px;
}
.form-field {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--light-gray);
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
  font-family: inherit;
}
.form-btn {
  background-color: var(--white);
  color: var(--accent-color);
  border: none;
  padding: 12px 25px;
  font-weight: bold;
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 1rem;
}
.form-btn:hover { background-color: var(--bg-color); }

.form-note {
  font-size: 0.8rem;
  line-height: 1.5;
  opacity: 0.85;
  margin: 0 0 18px 0;
}

.consent-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 20px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.consent-row input { margin-top: 6px; flex: none; width: 18px; height: 18px; }
.consent-row a { color: inherit; }

/* Honeypot: κρυφό από ανθρώπους, ορατό σε bots */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
}

.form-alert {
  padding: 14px 18px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 0.95rem;
  line-height: 1.5;
}
.form-alert--ok { background: var(--white); color: var(--accent-color); border-left: 4px solid var(--accent-color); }
.form-alert--error { background: var(--white); color: var(--error-color); border-left: 4px solid var(--error-color); }
.field-error { display: block; font-size: 0.8rem; margin-top: 5px; font-weight: bold; }

/* --- Ωράριο και χάρτης --- */
.hours-list { list-style: none; padding: 0; margin: 0 0 20px 0; }
.hours-list li {
  display: flex;
  justify-content: space-between;
  max-width: 340px;
  border-bottom: 1px solid var(--light-gray);
  padding: 6px 0;
  font-size: 0.95rem;
}
.map-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent-color);
  font-weight: bold;
}

/* --- Υποσέλιδο --- */
.main-footer {
  background-color: var(--bg-color);
  padding: 70px 20px 30px 20px;
  border-top: 4px solid var(--accent-color);
  color: var(--text-color);
  text-align: left;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1.25fr;
  gap: 50px;
  align-items: start;
}

.footer-brand .footer-logo { width: 150px; height: auto; margin-bottom: 18px; display: block; }
.footer-brand .footer-name {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 1.2rem;
  margin: 0;
}
.footer-brand .footer-role {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  margin: 4px 0 0 0;
  opacity: 0.7;
}
.footer-brand .footer-tagline {
  font-style: italic;
  font-size: 0.9rem;
  margin: 14px 0 0 0;
  color: var(--accent-color);
  line-height: 1.5;
}

.footer-heading {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: bold;
  color: var(--accent-color);
  margin: 0 0 18px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-color);
}

.footer-list { list-style: none; margin: 0; padding: 0; }
.footer-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
}
.footer-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  opacity: 0.6;
}
.footer-list a { color: inherit; text-decoration: none; }
.footer-list a:hover { color: var(--accent-color); }
.footer-email { word-break: break-word; }

/* Ο χάρτης έρχεται από το OpenStreetMap, χωρίς cookies και χωρίς
   παρακολούθηση. Δηλώνεται στην Πολιτική Απορρήτου. */
.footer-map {
  border: 1px solid var(--light-gray);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  max-width: 100%;
  background: var(--light-gray);
}
.footer-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.footer-map-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--accent-color);
}

.footer-bottom {
  max-width: 1100px;
  margin: 50px auto 0 auto;
  padding-top: 22px;
  border-top: 1px solid var(--light-gray);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 30px;
  font-size: 0.78rem;
  line-height: 1.7;
  opacity: 0.85;
}
.footer-identity { margin: 0; }
.legal-links { display: flex; gap: 20px; flex-wrap: wrap; }
.legal-links a { color: var(--accent-color); white-space: nowrap; }

/* --- Σελίδες κειμένου (πολιτική απορρήτου, όροι, 404) --- */
.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 60px 20px 80px 20px;
}
.legal-page h1 { font-size: 2rem; font-weight: normal; margin-bottom: 10px; }
.legal-page h2 { font-size: 1.25rem; margin: 40px 0 12px 0; }
.legal-page p, .legal-page li { font-size: 1rem; line-height: 1.75; }
.legal-page .updated { font-size: 0.85rem; opacity: 0.7; margin-bottom: 30px; }
.legal-page .back-link { display: inline-block; margin-top: 40px; color: var(--accent-color); font-weight: bold; }
.legal-page .todo {
  background: #f7ecd9;
  border-left: 4px solid #8a5b16;
  color: #6b4712;
  padding: 12px 16px;
  font-size: 0.9rem;
  border-radius: 0 4px 4px 0;
  margin: 12px 0;
}

.error-page { text-align: center; padding: 100px 20px; }
.error-page .code { font-size: 4rem; color: var(--accent-color); margin: 0; letter-spacing: 4px; }

/* --- Κινητό --- */
@media (max-width: 768px) {
  nav { height: auto; padding: 10px 0; }
  .nav-buttons a { margin: 3px; padding: 6px 10px; font-size: 0.7rem; }
  .section-wrapper { flex-direction: column; padding: 60px 5%; }
  .label-col, .content-col { width: 100%; padding-left: 0; }
  .label-col { margin-bottom: 25px; }
  .header-info h1 { font-size: 1.5rem; letter-spacing: 3px; }
  .slogan { font-size: 1.1rem; }
  .carousel { width: 100%; }
  .simple-carousel { border-radius: 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 38px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; margin-top: 38px; }
  .footer-map { aspect-ratio: 16 / 11; }
  .carousel-arrow { width: 38px; height: 38px; font-size: 1.6rem; }
  .carousel-arrow--prev { left: 6px; }
  .carousel-arrow--next { right: 6px; }
  body { font-size: 17px; }
}