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

body {
  background: #0f172a;
  color: white;
  font-family: Arial, sans-serif;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(15, 23, 42, 0.9);
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero {
  padding: 60px 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.hero p {
  color: #94a3b8;
  font-size: 1.2rem;
}

.about,
.projects {
  padding: 40px 0;
}

.about p {
  max-width: 800px;
  margin-top: 20px;
  color: #cbd5e1;
  line-height: 1.8;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.project-card {
  background: #111c34;
  padding: 30px;
  border-radius: 20px;
  border: 1px solid #1e293b;
  transition: 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: #38bdf8;
}

.project-card h3 {
  margin-bottom: 15px;
  color: #38bdf8;
}

.project-card p {
  color: #cbd5e1;
  line-height: 1.7;
}
header {
  padding: 18px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

header h1 {
  color: #38bdf8;
  letter-spacing: 0.04em;
}

.language-switch {
  display: flex;
  gap: 8px;
}

.language-switch button {
  padding: 7px 12px;
  color: #cbd5e1;
  background: transparent;
  border: 1px solid #334155;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s;
}

.language-switch button:hover {
  color: white;
  border-color: #38bdf8;
}

.language-switch button.active {
  color: #0f172a;
  background: #38bdf8;
  border-color: #38bdf8;
}

.language-switch button:focus-visible,
.project-link:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.4);
  outline-offset: 3px;
}

.project-link {
  display: inline-block;
  margin-top: 20px;
  color: #38bdf8;
  font-weight: 700;
  text-decoration: none;
}

.project-link:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

.contact {
  padding: 50px 0 70px;
}

.contact p {
  max-width: 800px;
  margin-top: 20px;
  color: #cbd5e1;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.contact-link {
  display: inline-block;
  padding: 12px 20px;
  color: #0f172a;
  background: #38bdf8;
  border: 1px solid #38bdf8;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s;
}

.contact-link:hover {
  background: #7dd3fc;
  border-color: #7dd3fc;
  transform: translateY(-2px);
}

.contact-link:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.4);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .hero {
    padding: 45px 0 30px;
  }

  .hero h2 {
    font-size: 1.9rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .about,
  .projects {
    padding: 30px 0;
  }

  .project-grid {
    margin-top: 25px;
    gap: 18px;
  }

  .project-card {
    padding: 24px;
  }

  .contact {
    padding: 30px 0 50px;
  }

  .contact-links {
    gap: 12px;
  }

  header h1 {
    font-size: 1.5rem;
  }
}

/* ===== DataVizion – egységes arculat, 2026-10-22 ===== */

/* Fejléc */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0;
  background: rgba(15, 23, 42, 0.97);
  border-bottom: 1px solid #334155;
}

.site-header .header-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.brand-panel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  padding: 10px 14px;
  background: #ffffff;
  border-radius: 12px;
  text-decoration: none;
}

.brand-panel .brand-logo {
  display: block;
  width: 190px;
  max-width: 100%;
  height: auto;
}

.header-tagline {
  min-width: 0;
  text-align: center;
}

.header-tagline h1 {
  color: #38bdf8;
  font-size: clamp(1.15rem, 1.7vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: normal;
}

.header-tagline p {
  margin-top: 8px;
  color: #cbd5e1;
  font-size: 0.92rem;
  line-height: 1.5;
}

.language-switch {
  justify-content: flex-end;
}

/* Üzleti üzenet */
.business-value {
  padding: 30px 0 42px;
}

.business-value .container {
  max-width: 1100px;
}

.business-value blockquote {
  margin: 20px 0;
  padding: 22px 26px;
  border-left: 4px solid #38bdf8;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.08);
}

.value-quote {
  color: #f1f5f9;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.7;
}

.value-description {
  max-width: 900px;
  margin-top: 20px;
  color: #cbd5e1;
  line-height: 1.8;
}

/* Szolgáltatások */
.services {
  padding: 30px 0 45px;
}

.services h2 {
  margin-bottom: 22px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.service-card {
  padding: 24px;
  background: #111c34;
  border: 1px solid #1e293b;
  border-radius: 16px;
}

.service-card h3 {
  margin-bottom: 12px;
  color: #38bdf8;
  font-size: 1.1rem;
}

.service-card p {
  color: #cbd5e1;
  line-height: 1.7;
}

.services-note {
  max-width: 900px;
  margin-top: 26px;
  color: #cbd5e1;
  line-height: 1.8;
}

/* Tablet és mobil */
@media (max-width: 900px) {
  .site-header .header-row {
    grid-template-columns: 1fr auto;
    gap: 16px;
  }

  .brand-panel {
    width: 190px;
  }

  .brand-panel .brand-logo {
    width: 160px;
  }

  .header-tagline {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 10px 0;
    position: relative;
  }

  .brand-panel {
    width: 155px;
    padding: 7px;
  }

  .brand-panel .brand-logo {
    width: 140px;
  }

  .header-tagline h1 {
    font-size: 1.2rem;
  }

  .header-tagline p {
    font-size: 0.85rem;
  }

  .business-value blockquote {
    padding: 16px;
  }

  .value-quote {
    font-size: 1.05rem;
  }

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

/* ===== DataVizion – kompakt fejléc és külön szlogen ===== */

.site-header {
  padding: 10px 0;
}

.site-header .header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-panel {
  width: 185px;
  padding: 5px 8px;
  border-radius: 9px;
}

.brand-panel .brand-logo {
  width: 165px;
  height: auto;
}

/* Szlogen a fejléc alatt */
.hero {
  display: block;
  padding: 32px 0 20px;
  text-align: center;
}

.hero .header-tagline h1 {
  color: #38bdf8;
  font-size: 1.6rem;
  line-height: 1.35;
  margin-bottom: 10px;
}

.hero .header-tagline p {
  color: #94a3b8;
  font-size: 1rem;
  line-height: 1.6;
  margin-top: 0;
}

/* Rólam rész */
.about {
  padding-top: 25px;
}

@media (max-width: 600px) {
  .brand-panel {
    width: 155px;
    padding: 4px 6px;
  }

  .brand-panel .brand-logo {
    width: 140px;
  }

  .hero {
    padding: 24px 0 12px;
  }

  .hero .header-tagline h1 {
    font-size: 1.3rem;
  }
}/* Kompakt fejléc, szlogen a vonal alatt */
.site-header .header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-header .brand-panel {
  width: 185px;
  padding: 5px 8px;
  border-radius: 9px;
}
.site-header .brand-panel .brand-logo { width: 165px; }
.hero {
  display: block;
  padding: 28px 0 10px;
  text-align: center;
}
.hero .header-tagline h1 {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  line-height: 1.35;
  color: #38bdf8;
}
.hero .header-tagline p {
  margin-top: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #94a3b8;
}
@media (max-width: 600px) {
  .site-header .brand-panel { width: 155px; padding: 4px 6px; }
  .site-header .brand-panel .brand-logo { width: 140px; }
  .hero { padding: 22px 0 6px; }
}

/* ===== DataVizion fejléc – üzleti szlogen ===== */

.header-message {
  min-width: 0;
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
}

.header-message p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.5;
  font-weight: 500;
}

/* Mobilnézet */
@media (max-width: 900px) {
  .header-message {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}