/* ==========================================================================
   TolosaldeaLH Machine - Estilo Nagusiak
   ========================================================================== */

/* --- Aldagaiak --- */
/* :root pseudo-klaseak orri osorako aldagaiak (aldaketak) gordetzen ditu.
   Honi esker, kolore bat aldatu nahi badugu, hemen soilik aldatu behar dugu
   eta webgune osoan eguneratuko da. */
:root {
  --kolore-nagusia: #1a2f4e; /* Azul industrial oscuro */
  --kolore-azentu: #e8820c;  /* Naranja metálico */
  --kolore-testu: #333333;   /* Texto oscuro */
  --kolore-testu-argia: #ffffff; /* Texto blanco */
  --kolore-gris-iluna: #6b7280; /* Gris acero */
  --kolore-gris-argia: #f3f4f6; /* Fondo claro */
  --kolore-ertza: #e5e7eb;   /* Borde suave */
  
  --tipografia-nagusia: 'Roboto', sans-serif;
  --trantsizioa: 0.3s ease;
  --itzala: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* --- Berrezarpenak --- */
/* Arakatzaileek (Chrome, Firefox...) berezko margin eta padding-ak dituzte.
   Hemen denak 0-ra pasatzen ditugu diseinua guztiz kontrolatzeko.
   box-sizing: border-box; ezinbestekoa da: honi esker margin/padding-ak
   zabalera totalaren (width) barruan sartzen dira eta ez dute kutxa handitzen. */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--tipografia-nagusia);
  color: var(--kolore-testu);
  background-color: var(--kolore-gris-argia);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

/* --- Egitura --- */
/* .container klasea edukia zentratzeko eta gehienezko zabalera (1200px)
   mantentzeko erabiltzen da. Mugikorretan ondo ikusteko padding-a du. */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.text-center {
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  color: var(--kolore-nagusia);
  margin-bottom: 40px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--kolore-azentu);
  margin: 15px auto 0;
}

/* --- Botoiak --- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: background-color var(--trantsizioa), transform var(--trantsizioa);
}

.btn-primary {
  background-color: var(--kolore-azentu);
  color: var(--kolore-testu-argia);
}

.btn-primary:hover {
  background-color: #d1750a;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--kolore-testu-argia);
  border: 2px solid var(--kolore-testu-argia);
}

.btn-outline:hover {
  background-color: var(--kolore-testu-argia);
  color: var(--kolore-nagusia);
}

/* --- Goiburua --- */
header {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--itzala);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

/* Logo CSS */
.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.logo span.tlh {
  color: var(--kolore-azentu);
  margin-right: 8px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.logo span.machine {
  color: var(--kolore-testu-argia);
  font-weight: 300;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.95rem;
  position: relative;
}

.nav-links a:hover {
  color: var(--kolore-azentu);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--kolore-azentu);
  transition: width var(--trantsizioa);
}

.nav-links a:hover::after {
  width: 100%;
}

/* --- Menu Mugikorra CSS purua --- */
/* JavaScript erabili beharrean, input ezkutu bat erabiliko dugu. */
.menu-checkbox {
  display: none; /* Input-a ez da inoiz ikusten */
}

/* Hanburgesa ikonoa (3 marratxoak) */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--kolore-testu-argia);
  transition: var(--trantsizioa);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(rgba(26, 47, 78, 0.8), rgba(26, 47, 78, 0.8)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"><rect width="100%" height="100%" fill="%236b7280" /></svg>') center/cover no-repeat;
  color: var(--kolore-testu-argia);
  padding: 150px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 40px;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* --- Guri Buruz --- */
.about {
  background-color: var(--kolore-testu-argia);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.about-image {
  background: linear-gradient(135deg, var(--kolore-gris-iluna), var(--kolore-nagusia));
  height: 400px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kolore-testu-argia);
  box-shadow: var(--itzala);
}

/* --- Zerbitzuak --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--kolore-testu-argia);
  padding: 40px 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--itzala);
  transition: transform var(--trantsizioa), box-shadow var(--trantsizioa);
  border-bottom: 4px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  border-bottom: 4px solid var(--kolore-azentu);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  fill: var(--kolore-nagusia);
}

.service-card:hover .service-icon {
  fill: var(--kolore-azentu);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--kolore-nagusia);
}

/* --- Estatistikak --- */
.stats {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  text-align: center;
}

.stat-item h4 {
  font-size: 3rem;
  color: var(--kolore-azentu);
  margin-bottom: 10px;
}

.stat-item p {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Produktuak --- */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background-color: transparent;
  border: 2px solid var(--kolore-nagusia);
  color: var(--kolore-nagusia);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--trantsizioa);
  display: inline-block;
}

.filter-btn:hover {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
}

/* CSS Iragazkiaren Logika (Radio Buttons Hack) */
/* Honek JS gabe funtzionatzeko balio du. Radio botoiak ezkutatzen ditugu. */
input[name="filter"] {
  display: none;
}

/* Radio bat CHECKED badago (~ anai-arreben hautatzaileari esker)
   bere label-ari kolore urdina emango diogu aktibatuta dagoela erakusteko. */
#filter-all:checked ~ .filter-container label[for="filter-all"],
#filter-cnc:checked ~ .filter-container label[for="filter-cnc"],
#filter-egiturak:checked ~ .filter-container label[for="filter-egiturak"],
#filter-zehaztasuna:checked ~ .filter-container label[for="filter-zehaztasuna"] {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
}

/* Produktuak ezkutatzeko: Radio bat sakatzean, aukeratutako kategoria ez dutenak ezkutatu (display: none). */
#filter-cnc:checked ~ .products-grid .product-card:not([data-category="cnc"]) { display: none; }
#filter-egiturak:checked ~ .products-grid .product-card:not([data-category="egiturak"]) { display: none; }
#filter-zehaztasuna:checked ~ .products-grid .product-card:not([data-category="zehaztasuna"]) { display: none; }

/* Grid layout-a produktuak bata bestearen ondoan automatikoki kokatzeko */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: var(--kolore-testu-argia);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--itzala);
}

.product-img {
  height: 200px;
  background: linear-gradient(135deg, #d1d5db, #9ca3af);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--kolore-nagusia);
}

.product-info {
  padding: 20px;
}

.product-category {
  font-size: 0.8rem;
  color: var(--kolore-azentu);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 5px;
  display: block;
}

.product-info h3 {
  font-size: 1.3rem;
  color: var(--kolore-nagusia);
  margin-bottom: 10px;
}

/* --- Kontaktua --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}

.contact-info {
  background-color: var(--kolore-testu-argia);
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--itzala);
}

.contact-item {
  margin-bottom: 25px;
}

.contact-item h4 {
  color: var(--kolore-nagusia);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-item p {
  color: var(--kolore-gris-iluna);
  margin-left: 28px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: none;
  border-radius: 8px;
  box-shadow: var(--itzala);
}

/* --- Inprimakia --- */
.form-container {
  background-color: var(--kolore-testu-argia);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--itzala);
  max-width: 800px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--kolore-nagusia);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--kolore-ertza);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--trantsizioa);
}

.form-control:focus {
  outline: none;
  border-color: var(--kolore-azentu);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.checkbox-group input {
  margin-top: 5px;
}

.checkbox-group label {
  font-size: 0.9rem;
  color: var(--kolore-gris-iluna);
  font-weight: 400;
}

.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 4px;
  display: none;
}

.form-message.success {
  background-color: #d1fae5;
  color: #065f46;
  display: block;
}

.form-message.error {
  background-color: #fee2e2;
  color: #991b1b;
  display: block;
}

/* --- Panel Admin --- */
.admin-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--kolore-gris-argia);
}

.login-box {
  background-color: var(--kolore-testu-argia);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--itzala);
  width: 100%;
  max-width: 400px;
}

.admin-header {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
  padding: 15px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-stats {
  background-color: var(--kolore-azentu);
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: bold;
}

.filters-box {
  background-color: var(--kolore-testu-argia);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--itzala);
  margin-bottom: 30px;
  display: flex;
  gap: 20px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filters-box .form-group {
  margin-bottom: 0;
  flex: 1;
  min-width: 200px;
}

.table-responsive {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--kolore-testu-argia);
  box-shadow: var(--itzala);
  border-radius: 8px;
  overflow: hidden;
}

.admin-table th, .admin-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--kolore-ertza);
}

.admin-table th {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
  font-weight: 600;
}

.admin-table tbody tr:hover {
  background-color: var(--kolore-gris-argia);
}

.badge {
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
}

.badge-pendiente { background-color: #fef08a; color: #854d0e; }
.badge-revisada { background-color: #bfdbfe; color: #1e40af; }
.badge-resuelta { background-color: #bbf7d0; color: #166534; }

.action-btn {
  padding: 5px 10px;
  font-size: 0.85rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  color: white;
  margin-right: 5px;
  margin-bottom: 5px;
}

.btn-revisar { background-color: #3b82f6; }
.btn-resolver { background-color: #10b981; }

/* --- Orri-oina --- */
footer {
  background-color: var(--kolore-nagusia);
  color: var(--kolore-testu-argia);
  padding: 60px 0 20px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--kolore-azentu);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a:hover {
  color: var(--kolore-azentu);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}

/* --- Pantaila Txikiak --- */
/* @media esker, 768px baino txikiagoak diren pantailetan diseinua aldatzen dugu (Mobile First/Responsive) */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--kolore-nagusia);
    padding: 20px 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  }
  
  /* Menu mugikorra irekitzeko magia (JS gabe) */
  /* checkbox-a markatuta dagoenean (:checked), menuari (nav-links) display: flex emango diogu */
  .menu-checkbox:checked ~ .nav-links {
    display: flex;
    align-items: center;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .about-content, .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
}