/* ===========================
   CSS VÁLTOZÓK (COLORS, SPACING)
   =========================== */
:root {
  /* Világos téma színek */
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-primary: #0066cc;
  --color-primary-hover: #0052a3;
  --color-accent: #00aaff;
  --color-border: #e0e0e0;
  --color-card-bg: #f9f9f9;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-hover: rgba(0, 0, 0, 0.15);
  --color-footer-bg: #f5f5f5;
  --color-section-dark-bg: #fafafa;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Typography */
  --font-family: system-ui, 'Segoe UI', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
}

/* Sötét téma */
body.dark-mode {
  --color-bg: #1a1a1a;
  --color-text: #e0e0e0;
  --color-text-secondary: #b0b0b0;
  --color-primary: #3399ff;
  --color-primary-hover: #5cadff;
  --color-accent: #00ccff;
  --color-border: #333333;
  --color-card-bg: #242424;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-hover: rgba(0, 0, 0, 0.5);
  --color-footer-bg: #0f0f0f;
  --color-section-dark-bg: #202020;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* ===========================
   CONTAINER
   =========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===========================
   HEADER (FEJLÉC)
   =========================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 4px var(--color-shadow);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.logo-img {
  height: 50px;
  width: auto;
}

.nav-list {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus {
  background-color: var(--color-section-dark-bg);
  color: var(--color-primary);
  outline: none;
}

.theme-toggle {
  font-size: 1.5rem;
  padding: var(--spacing-xs);
  background-color: var(--color-card-bg);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
}

.theme-toggle:hover,
.theme-toggle:focus {
  background-color: var(--color-border);
  transform: scale(1.1);
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Hamburger menü gomb */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
  background-color: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger-line {
  width: 28px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   HERO SZEKCIÓ
   =========================== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #ffffff;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-container {
  max-width: 800px;
}

.hero-logo {
  margin-bottom: var(--spacing-md);
}

.hero-logo-img {
  max-width: 300px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  opacity: 0.95;
}

.hero-text {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.btn-primary {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  outline: 2px solid #ffffff;
  outline-offset: 2px;
}

/* ===========================
   SECTION (ÁLTALÁNOS)
   =========================== */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-light {
  background-color: var(--color-bg);
}

.section-dark {
  background-color: var(--color-section-dark-bg);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
  color: var(--color-text);
}

.text-content {
  max-width: 800px;
  margin: 0 auto;
}

.text-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* ===========================
   MIT CSINÁLUNK - KÁRTYÁK
   =========================== */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  /* DEBUG: Ha ezt látod, a CSS betöltődött */
  border: 2px solid transparent;
}

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px var(--color-shadow-hover);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* ===========================
   MIÉRT APPLIVERZUM - ÉRTÉKEK
   =========================== */
.values {
  max-width: 900px;
  margin: 0 auto;
}

.values-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 6px var(--color-shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.value-item:hover,
.value-item:focus-within {
  box-shadow: 0 4px 12px var(--color-shadow-hover);
  transform: translateX(4px);
}

.value-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.value-item strong {
  display: block;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.value-item p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ===========================
   GALÉRIA
   =========================== */
.section-gallery {
  background-color: var(--color-bg);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

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

.gallery-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background-color: var(--color-border); /* Fallback, ha nincs kép */
}

.gallery-img:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 16px var(--color-shadow-hover);
}

.gallery-caption {
  margin-top: var(--spacing-sm);
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ===========================
   KAPCSOLAT
   =========================== */
.section-contact {
  background-color: var(--color-section-dark-bg);
  text-align: center;
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-text {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.contact-email {
  font-size: 1.5rem;
}

.email-link {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.email-link:hover,
.email-link:focus {
  color: var(--color-primary-hover);
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

/* ===========================
   VISSZA A TETEJÉRE GOMB
   =========================== */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 12px var(--color-shadow-hover);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
  transition: all 0.3s ease;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-4px);
  box-shadow: 0 6px 16px var(--color-shadow-hover);
}

.scroll-to-top:active {
  transform: translateY(-2px);
}

.scroll-arrow {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1;
}

/* ===========================
   LÁBLÉC (FOOTER)
   =========================== */
.footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-md);
  text-align: center;
}

.footer-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===========================
   RESZPONZIVITÁS
   =========================== */

/* Nagy desktop */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
}

/* Tablet és kisebb desktop */
@media (max-width: 1024px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet */
@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

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

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

/* Mobil nézet */
@media (max-width: 600px) {
  :root {
    --spacing-xl: 2.5rem;
    --spacing-lg: 2rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Header mobil */
  .header-container {
    padding-top: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
  }

  .logo-img {
    height: 40px;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 8px var(--color-shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav.active {
    max-height: 300px;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-sm) 0;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0;
  }

  /* Hero mobil */
  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: 60vh;
  }

  .hero-logo-img {
    max-width: 200px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  /* Sections mobil */
  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .section-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
  }

  /* Kártyák mobil */
  .card {
    padding: var(--spacing-sm);
  }

  .card-icon {
    font-size: 2.5rem;
  }

  /* Értékek mobil */
  .value-item {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .value-icon {
    font-size: 2.5rem;
  }

  /* Galéria mobil */
  .gallery-img {
    height: 200px;
  }

  /* Gombok mobil */
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
  }

  /* Kapcsolat mobil */
  .contact-text {
    font-size: 1rem;
  }

    .contact-email {
      font-size: 1.25rem;
    }

    /* Scroll to top gomb mobil */
    .scroll-to-top {
      bottom: 1rem;
      right: 1rem;
      width: 45px;
      height: 45px;
    }

    .scroll-arrow {
      font-size: 1.25rem;
    }
  }

/* Extra kis képernyők */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .hero-text {
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .logo-img {
    height: 35px;
  }

  .hero-logo-img {
    max-width: 150px;
  }

  .card-title {
    font-size: 1.125rem;
  }

  .card-text {
    font-size: 0.95rem;
  }

  .value-item strong {
    font-size: 1rem;
  }

  .value-item p {
    font-size: 0.9rem;
  }
}

/* ===========================
   AKADÁLYMENTESSÉG (FÓKUSZ)
   =========================== */
a:focus,
button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Csak billentyűzetes navigáláskor jelenjen meg a fókuszkeret */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}