/* ── VARIABLES DE COLOR ── */
@font-face {
  font-family: 'ehbildu';
  src: url('Tipografiak/BilduSans/BilduSans-Light.otf') format('opentype');
  font-weight: 300;
}
@font-face {
  font-family: 'ehbildu';
  src: url('Tipografiak/BilduSans/BilduSans-Regular.otf') format('opentype');
  font-weight: 400;
}
@font-face {
  font-family: 'ehbildu';
  src: url('Tipografiak/BilduSans/BilduSans-Bold.otf') format('opentype');
  font-weight: 700;
}
@font-face {
  font-family: 'ehbildu';
  src: url('Tipografiak/BilduSans/BilduSans-Black.otf') format('opentype');
  font-weight: 800;
}

:root {
  --berdea: #00C19F;
  --verde-claro: #5aab64;
  --beltza: #000000;
  --zuria: #ffffff;
  --gris-claro: #f4f4f4;
  --gris-texto: #333333;
  --gris-medio: #666666;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  font-family: 'ehbildu', sans-serif;
  background-color: var(--zuria);
  color: var(--gris-texto);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  -webkit-tap-highlight-color: transparent;
}

.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HEADER ── */
.header {
  background-color: var(--berdea);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header__img {
  height: 40px;
  width: auto;
}

/* ── NAVEGACIÓN ── */
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav__lista {
  list-style: none;
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav__item {
  position: relative;
}

.nav__enlace {
  color: var(--zuria);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
}

.nav__enlace:hover,
.nav__enlace:focus-visible {
  border-bottom-color: var(--zuria);
  outline: none;
}

.nav__enlace--dropdown::after {
  content: ' ▾';
  font-size: 0.72rem;
}

.nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--zuria);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
  list-style: none;
  min-width: 190px;
  padding: 4px 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
  z-index: 200;
}

.nav__item:hover .nav__dropdown,
.nav__item:focus-within .nav__dropdown {
  opacity: 1;
  pointer-events: auto;
}

.nav__dropdown-enlace {
  display: block;
  padding: 11px 20px;
  color: var(--berdea);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background-color 0.15s;
}

.nav__dropdown-enlace:hover,
.nav__dropdown-enlace:focus-visible {
  background-color: #f0fdf9;
  outline: none;
}

.nav__social {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zuria);
  opacity: 0.88;
  transition: opacity 0.2s, transform 0.18s;
  text-decoration: none;
  line-height: 1;
}

.nav__social-link svg {
  width: 22px;
  height: 22px;
  display: block;
}

.nav__social-link:hover,
.nav__social-link:focus-visible {
  opacity: 1;
  transform: translateY(-2px);
  outline: none;
}

/* ── HERO ── */
.hero {
  background-color: var(--gris-claro);
  color: var(--beltza);
  padding: 50px 0 30px;
  text-align: center;
}

.hero__inner {
  max-width: 860px;
  margin: 0 auto;
}

.hero__etiketa {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--berdea);
  margin-bottom: 22px;
}

.hero__titulo {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--beltza);
  margin-bottom: 20px;
}

.hero__itemak {
  font-size: clamp(1rem, 3.4vw, 1.15rem);
  color: var(--gris-medio);
  letter-spacing: 0.05em;
  margin-bottom: 30px;
  position: relative;
  min-height: 1.7em;
  overflow: hidden;
}

.hero__item {
  position: absolute;
  left: 0;
  right: 0;
  text-align: center;
  transform: translateX(100%);
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.hero__item.aktibo {
  transform: translateX(0);
}

.hero__item.joaten {
  transform: translateX(-100%);
}

.hero__deskribapena {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--gris-texto);
  max-width: 680px;
  margin: 0 auto;
}

/* ── 3 KONTZEPTUAK ── */
.kontzeptuak {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 40px 24px;
  background-color: var(--zuria);
  max-width: 1360px;
  margin: 0 auto;
}

.txartela {
  text-decoration: none;
  display: block;
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  background-color: var(--zuria);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.txartela:hover,
.txartela:focus-visible {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  outline: none;
}

.txartela__argazkia {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

.txartela__testua {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
}

.txartela__testua h2 {
  color: var(--gris-claro);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-shadow: 0 2px 4px rgba(0,0,0,1), 0 4px 20px rgba(0,0,0,1);
}

/* ── ATALAK ── */
.atala {
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 80px 40px;
  border-bottom: 1px solid var(--gris-claro);
  max-width: 1360px;
  margin: 0 auto;
}

.atala__argazkia {
  flex: 1;
  border-radius: 12px;
  overflow: hidden;
  min-width: 0;
}

.atala__argazkia img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.atala__testua {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}

.atala__testua h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--berdea);
}

.atala__testua p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gris-texto);
}

.atala__botoia {
  display: inline-block;
  background-color: var(--berdea);
  color: var(--zuria);
  text-decoration: none;
  padding: 14px 36px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  align-self: flex-start;
  transition: transform 0.18s ease, opacity 0.18s ease, box-shadow 0.18s ease;
  box-shadow: 0 4px 16px rgba(0,193,159,0.18);
}

.atala__botoia:hover,
.atala__botoia:focus-visible {
  opacity: 0.9;
  transform: translateY(-1px);
  outline: none;
}

/* ── RESPONSIVIDAD ── */
@media (max-width: 1000px) {
  .header__inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav__social {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 6px;
  }

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

@media (max-width: 900px) {
  .hero {
    padding: 38px 0 26px;
  }

  .atala {
    flex-direction: column;
    gap: 32px;
    padding: 48px 24px;
  }

  .atala__argazkia img {
    height: 260px;
  }
}

@media (max-width: 600px) {
  .contenedor {
    padding: 0 16px;
  }

  .header__inner {
    gap: 10px;
  }

  .header__img {
    height: 34px;
  }

  .nav {
    gap: 10px;
  }

  .nav__lista {
    gap: 12px 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav__enlace {
    font-size: 0.9rem;
  }

  .nav__dropdown {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    margin-top: 8px;
    min-width: 0;
    width: 100%;
    border-radius: 8px;
  }

  .hero {
    padding: 32px 0 22px;
  }

  .hero__deskribapena {
    font-size: 1rem;
  }

  .txartela {
    min-height: 220px;
  }

  .txartela__argazkia {
    min-height: 220px;
  }

  .txartela__testua h2 {
    font-size: 1.35rem;
  }

  .atala__testua h2 {
    font-size: 1.5rem;
  }

  .atala__testua p {
    font-size: 1rem;
  }

  .atala__botoia {
    width: 100%;
    text-align: center;
    align-self: stretch;
  }
}

/* Accesibilidad y reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  .hero__item {
    position: static;
    transform: none;
    display: none;
  }

  .hero__item.aktibo {
    display: block;
  }
}

/* ── DATO SEKZIOA (ardatz orriak) ── */
.dato-sekzioa {
  background-color: var(--gris-claro);
  color: var(--zuria);
  padding: 64px 0;
}

.dato-sekzioa__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 36px;
}

.dato-konparatu {
  display: flex;
  align-items: center;
  gap: 56px;
}

.dato-blokea {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.dato-zenbakia-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.dato-zenbakia {
  font-size: 7rem;
  font-weight: 800;
  line-height: 1;
}

.dato-blokea--orain .dato-zenbakia { color: #ff9a5c; }
.dato-blokea--helburu .dato-zenbakia { color: var(--berdea); }

.dato-unitatea {
  font-size: 2.8rem;
  font-weight: 600;
  opacity: 0.6;
}

.dato-blokea--orain .dato-unitatea { color: #ff9a5c; }
.dato-blokea--helburu .dato-unitatea { color: var(--berdea); }

.dato-etiketa-berdegune {
  font-weight: 700;
  color: var(--berdea);
  font-size: 2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dato-etiketa {
  font-weight: 500;
  color: var(--berdea);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dato-flecha {
  color: var(--berdea);
  font-size: 2.4rem;
}

.dato-barra-wrap {
  width: 100%;
  max-width: 580px;
}

.dato-barra {
  height: 12px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 10px;
}

.dato-barra__beteta {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, #ff9a5c, var(--berdea));
  border-radius: 6px;
  transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.dato-barra__info {
  color: var(--beltza);
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
}

.dato-mezua {
  color: var(--berdea);
  font-size: 1.05rem;
  line-height: 1.65;
}

.dato-mezua strong {
  color: var(--berdea);
}

/* ── INTRO SEKZIOA ── */
.berdetu-intro {
  padding: 48px 0 36px;
  border-bottom: 1px solid #e8ede9;
}

.berdetu-intro__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 860px;
}

.berdetu-intro__inner p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gris-texto);
}

.itzuli-botoia {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--berdea);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  width: fit-content;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s, gap 0.2s;
}

.itzuli-botoia:hover {
  border-bottom-color: var(--berdea);
  gap: 10px;
}

/* ── KATEGORIA HEADER ── */
.kategoria-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 18px;
}

.kategoria-header:first-child {
  margin-top: 0;
}

.kategoria-pilula {
  width: 42px;
  height: 42px;
  background: var(--berdea);
  color: var(--zuria);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.kategoria-izena {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gris-texto);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 2px;
}

.kategoria-azpititu {
  font-size: 0.82rem;
  color: #999;
}

/* ── NEURRI KARTA ── */
.neurri-karta {
  border: 1px solid #e4e9e6;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 10px;
  background: var(--zuria);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: box-shadow 0.25s, border-color 0.25s;
}

.neurri-karta:hover {
  box-shadow: 0 4px 18px rgba(0,193,159,0.1);
}

.neurri-karta.zabalik {
  box-shadow: 0 6px 28px rgba(0,193,159,0.16);
  border-color: var(--berdea);
}

.neurri-karta--nabarmen {
  background: linear-gradient(135deg, #f0fdf9 0%, #e6faf6 100%);
  border: 2px solid var(--berdea);
  border-left: 6px solid var(--berdea);
  box-shadow: 0 4px 20px rgba(0,193,159,0.15);
}

.neurri-karta--nabarmen .neurri-karta__kode {
  background: var(--berdea);
  color: white;
  font-size: 0.75rem;
  padding: 4px 10px;
}

.neurri-karta--nabarmen .neurri-karta__izena {
  font-weight: 700;
  color: #005f48;
}

.neurri-karta__header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.2s;
}

.neurri-karta__header:hover {
  background-color: #f5fdf9;
}

.neurri-karta.zabalik .neurri-karta__header {
  background-color: #edfaf4;
  border-bottom: 1px solid #d4f0e4;
}

.neurri-karta__ezker {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.neurri-karta__kode {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--berdea);
  background: #e4f9f3;
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.neurri-karta__izena {
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--gris-texto);
  line-height: 1.3;
}

.neurri-karta__eskuin {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.neurri-karta__urtea-pill {
  font-size: 0.72rem;
  font-weight: 600;
  color: #777;
  background: #f0f0f0;
  padding: 3px 10px;
  border-radius: 20px;
}

.neurri-karta__stars {
  font-size: 0.82rem;
}

.neurri-karta__toggle {
  width: 28px;
  height: 28px;
  background: #e4f9f3;
  color: var(--berdea);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1;
  transition: background-color 0.25s, transform 0.3s, color 0.25s;
  pointer-events: none;
}

.neurri-karta.zabalik .neurri-karta__toggle {
  background: var(--berdea);
  color: var(--zuria);
  transform: rotate(45deg);
}

.neurri-karta__edukia {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.neurri-karta.zabalik .neurri-karta__edukia {
  max-height: 520px;
}

.neurri-karta__grid {
  display: grid;
  grid-template-columns: 240px 1fr;
}

.neurri-karta__irudi {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.neurri-karta__testua {
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.neurri-karta__testua p {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--gris-texto);
  margin: 0;
}

/* ── NEURRI META PILLAK ── */
.neurri-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.neurri-meta__pill {
  font-size: 0.78rem;
  font-weight: 600;
  color: #555;
  background: #f2f2f2;
  border-radius: 20px;
  padding: 5px 13px;
}

.neurri-meta__pill--alta {
  background: #e4f9f3;
  color: #007d60;
}

.neurri-meta__pill--ertaina {
  background: #fff8e1;
  color: #8a6d00;
}

/* ── KRONOGRAMA ── */
.neurri-kron {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}

.kron-urte {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.kron-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #aaa;
  letter-spacing: 0.02em;
}

.kron-barra {
  width: 100%;
  height: 24px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.57rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.kron-barra--hutsa      { background: #f0f0f0; }
.kron-barra--prestaketa { background: #c2efe4; color: #005f48; }
.kron-barra--hasiera    { background: #66d9bc; color: #003d2e; }
.kron-barra--exekuzioa  { background: var(--berdea); color: var(--zuria); }

/* ── MAPA BOTOIA ── */
.mapa-sekzioa {
  padding: 8px 0 80px;
  text-align: center;
}

.mapa-botoia {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--berdea);
  color: var(--zuria);
  text-decoration: none;
  padding: 16px 40px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 20px rgba(0,193,159,0.3);
  transition: transform 0.2s, box-shadow 0.2s;
}

.mapa-botoia:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,193,159,0.42);
}

@media (max-width: 700px) {
  .neurri-karta__grid    { grid-template-columns: 1fr; }
  .neurri-karta__irudi   { height: 180px; }
  .dato-zenbakia         { font-size: 4.5rem; }
  .dato-konparatu        { gap: 28px; }
  .neurri-kron           { gap: 3px; }
  .kron-barra            { font-size: 0.5rem; }
}