/* ==========================================================================
   TOGA Training Group — Premium Aviation Website
   ========================================================================== */

:root {
  /* Dark theme (default) — monochrome */
  --color-bg: #0a0a0a;
  --color-bg-elevated: #111111;
  --color-bg-card: #1a1a1a;
  --color-bg-card-hover: #242424;
  --color-surface: #2a2a2a;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.18);
  --color-text: #ffffff;
  --color-text-muted: #a3a3a3;
  --color-text-subtle: #737373;
  --color-accent: #ffffff;
  --color-accent-hover: #d4d4d4;
  --color-accent-muted: rgba(255, 255, 255, 0.08);
  --color-accent-glow: rgba(255, 255, 255, 0.12);
  --color-on-accent: #0a0a0a;
  --color-emphasis: #e5e5e5;
  --color-emphasis-muted: rgba(255, 255, 255, 0.06);
  --color-success: #d4d4d4;
  --color-error: #737373;
  --color-header-bg: rgba(10, 10, 10, 0.88);
  --color-overlay: rgba(10, 10, 10, 0.75);
  --color-overlay-heavy: rgba(10, 10, 10, 0.92);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 40px var(--color-accent-glow);
  --font-display: 'Instrument Sans', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
  --container-max: 1200px;
  --section-padding: clamp(4rem, 8vw, 7rem);
}

[data-theme="light"] {
  --color-bg: #f5f5f5;
  --color-bg-elevated: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f0f0f0;
  --color-surface: #e5e5e5;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.14);
  --color-text: #0a0a0a;
  --color-text-muted: #525252;
  --color-text-subtle: #737373;
  --color-accent: #0a0a0a;
  --color-accent-hover: #404040;
  --color-accent-muted: rgba(0, 0, 0, 0.06);
  --color-accent-glow: rgba(0, 0, 0, 0.08);
  --color-on-accent: #ffffff;
  --color-emphasis: #262626;
  --color-emphasis-muted: rgba(0, 0, 0, 0.06);
  --color-success: #404040;
  --color-error: #737373;
  --color-header-bg: rgba(245, 245, 245, 0.92);
  --color-overlay: rgba(245, 245, 245, 0.82);
  --color-overlay-heavy: rgba(245, 245, 245, 0.95);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.12);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
ul { list-style: none; }
address { font-style: normal; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; background: var(--color-accent); color: var(--color-on-accent); }

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.lead {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.emphasis {
  font-weight: 500;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  margin-top: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-on-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-muted);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding-left: 1rem;
  padding-right: 1rem;
}
.btn--ghost:hover { color: var(--color-accent); }

.btn--full { width: 100%; }

/* Section shared */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  text-wrap: balance;
  max-width: 100%;
}

.section__desc {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: min(600px, 100%);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__header .section__desc { margin-top: 0.5rem; }

.page-hero__title,
.hero__title,
.hero__subtitle,
.lead,
.university-tagline,
.philosophy__headline,
.vision__lead {
  text-wrap: balance;
  overflow-wrap: anywhere;
}

/* Header / Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
  overflow: visible;
  isolation: isolate;
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-header-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.nav__logo img {
  height: 48px;
  width: auto;
  transition: opacity var(--transition);
}

[data-theme="light"] .nav__logo img {
  filter: invert(1) hue-rotate(180deg);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 1;
  min-width: 0;
}

.nav__links a {
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.2;
}

html[lang="hu"] .nav__links a {
  font-size: 0.8125rem;
  padding: 0.5rem 0.625rem;
}

@media (max-width: 1200px) and (min-width: 769px) {
  html[lang="hu"] .nav__links a {
    font-size: 0.75rem;
    padding: 0.4375rem 0.5rem;
  }
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-text);
  background: var(--color-accent-muted);
}

.nav__cta {
  background: var(--color-accent) !important;
  color: var(--color-on-accent) !important;
  margin-left: 0.5rem;
}
.nav__cta:hover {
  background: var(--color-accent-hover) !important;
  color: var(--color-on-accent) !important;
}

.nav__lang {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-left: 0.25rem;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
}

.nav__lang a {
  color: var(--color-text-subtle);
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius-sm);
}

.nav__lang a:hover,
.nav__lang a.active {
  color: var(--color-text);
  background: var(--color-accent-muted);
}

.nav__lang span {
  color: var(--color-text-subtle);
  opacity: 0.5;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 2;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
  border-radius: 2px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
  margin-left: 0.5rem;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 0.1s linear;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.45) 0%,
    rgba(10, 10, 10, 0.72) 50%,
    rgba(10, 10, 10, 0.95) 100%
  );
}

[data-theme="light"] .hero__overlay {
  background: linear-gradient(
    180deg,
    rgba(245, 245, 245, 0.35) 0%,
    rgba(245, 245, 245, 0.65) 50%,
    rgba(245, 245, 245, 0.94) 100%
  );
}

.hero__flight-path {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.4;
}

.flight-path-line {
  stroke: var(--color-accent);
  stroke-width: 1.5;
  stroke-dasharray: 8 12;
  animation: dashMove 20s linear infinite;
}

.flight-path-fix__dot {
  fill: var(--color-accent);
  stroke: var(--color-bg);
  stroke-width: 1.5;
}

.flight-path-fix__label {
  font-family: var(--font-display);
  pointer-events: none;
}

.flight-path-route {
  fill: var(--color-accent);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flight-path-route--airway {
  font-size: 12px;
  letter-spacing: 0.1em;
}

.flight-path-nav {
  fill: var(--color-accent);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.88;
}

.flight-path-constraint {
  fill: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.9;
}

.flight-path-constraint--sub {
  font-size: 8px;
  opacity: 0.75;
}

.flight-path-plane {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 10px var(--color-accent));
}

@keyframes dashMove {
  to { stroke-dashoffset: -200; }
}

@media (max-width: 768px) {
  .flight-path-route {
    font-size: 8px;
    letter-spacing: 0.03em;
  }

  .flight-path-route--airway {
    font-size: 9px;
  }

  .flight-path-nav {
    font-size: 7px;
  }

  .flight-path-constraint {
    font-size: 7px;
  }

  .flight-path-constraint--sub {
    font-size: 6px;
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: var(--header-height);
  padding-bottom: 4rem;
  max-width: 900px;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  text-wrap: balance;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: flex;
  gap: clamp(2rem, 5vw, 4rem);
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  text-align: center;
  flex: 1 1 120px;
  max-width: 180px;
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-accent);
}

.stat__label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
  line-height: 1.35;
  text-align: center;
  padding: 0 0.25rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s ease-in-out infinite;
}

.hero__scroll:hover { color: var(--color-accent); }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* About Section */
.section--about {
  background: var(--color-bg-elevated);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: 3rem;
}

.about-grid__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.mission-quote {
  margin: 2rem 0;
  padding: 1.75rem 2rem;
  background: var(--color-accent-muted);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.mission-quote p {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-text) !important;
  margin-bottom: 0.5rem !important;
}

.mission-quote cite {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-grid__values h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.values-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text);
}

.values-list__icon {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.7;
  min-width: 1.5rem;
}

.philosophy {
  padding: 2.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
}

.philosophy h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
  margin-bottom: 0.75rem;
}

.philosophy__headline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.philosophy p:last-child {
  color: var(--color-text-muted);
}

/* Partners & Standards */
.section--partners {
  background: #ffffff;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.section--partners .partners h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #737373;
  margin-bottom: 1.5rem;
  text-align: center;
}

.partners__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.partners__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 200px;
  height: 64px;
  flex: 0 0 200px;
  opacity: 0.85;
  transition: opacity var(--transition), transform var(--transition);
}

.partners__logo:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.partners__logo img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 180px;
  max-height: 52px;
  object-fit: contain;
  object-position: center;
  transition: filter var(--transition), transform var(--transition);
}

.partners__logo--icao img {
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
  transform: scale(1.55);
  transform-origin: center;
}

.partners__logo:hover img {
  filter: none;
}

/* University Section */
.section--university {
  background: var(--color-bg-elevated);
  overflow: hidden;
}

.university-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.university-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 600;
  color: var(--color-emphasis);
  margin-bottom: 1.25rem;
}

.university-grid__content p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.university-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0;
  color: var(--color-text);
  font-weight: 500;
}

.university-features svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.integration-diagram {
  position: relative;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.integration-diagram__connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.integration-diagram__line {
  stroke: var(--color-text-subtle);
  stroke-width: 1.5;
  stroke-dasharray: 3 7;
  opacity: 0.55;
}

.integration-diagram__node {
  fill: var(--color-text-muted);
}

.integration-diagram__node--center {
  fill: var(--color-text);
}

.integration-diagram__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.integration-diagram__center img {
  width: 90px;
  height: auto;
}

[data-theme="light"] .integration-diagram__center img {
  filter: invert(1) hue-rotate(180deg);
}

.integration-diagram__orbit {
  position: absolute;
  box-sizing: border-box;
  width: 118px;
  min-height: 2.75rem;
  padding: 0.4375rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  font-family: var(--font-display);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
  hyphens: auto;
}

html[lang="hu"] .integration-diagram__orbit {
  font-size: 0.625rem;
}

.integration-diagram__orbit--1 {
  top: 14%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbitDriftTop 5s ease-in-out infinite;
}

.integration-diagram__orbit--2 {
  top: 50%;
  left: 86%;
  transform: translate(-50%, -50%);
  animation: orbitDriftRight 5.5s ease-in-out infinite;
}

.integration-diagram__orbit--3 {
  top: 86%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbitDriftBottom 6s ease-in-out infinite;
}

.integration-diagram__orbit--4 {
  top: 50%;
  left: 14%;
  transform: translate(-50%, -50%);
  animation: orbitDriftLeft 5.8s ease-in-out infinite;
}

@keyframes orbitDriftTop {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% - 8px)); }
}

@keyframes orbitDriftRight {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(calc(-50% + 8px), -50%); }
}

@keyframes orbitDriftBottom {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(-50%, calc(-50% + 8px)); }
}

@keyframes orbitDriftLeft {
  0%, 100% { transform: translate(-50%, -50%); }
  50% { transform: translate(calc(-50% - 8px), -50%); }
}

/* Technology Section */
.section--technology {
  background: var(--color-bg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tech-card {
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 260px;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.tech-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.tech-card:hover::before { opacity: 1; }

.tech-card__icon {
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.tech-card__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-height: 1.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
  line-height: 1.2;
  text-align: center;
}

.tech-card__status--current {
  background: var(--color-accent-muted);
  color: var(--color-text);
}

.tech-card__status--planned {
  background: var(--color-emphasis-muted);
  color: var(--color-text-muted);
}

.tech-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  min-height: 2.75rem;
  line-height: 1.35;
  display: flex;
  align-items: flex-start;
}

.tech-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  flex: 1;
  line-height: 1.55;
}

.tech-card h3 a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

.tech-card h3 a:hover {
  color: var(--color-accent);
}

.tech-card p a {
  color: var(--color-accent);
  font-weight: 500;
}

.tech-future h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
  margin-bottom: 1.25rem;
}

.tech-future__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  grid-auto-rows: 1fr;
  gap: 1rem;
}

.tech-future__item {
  padding: 1rem 1.25rem;
  background: var(--color-bg-elevated);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-align: center;
  transition: all var(--transition);
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.4;
}

.tech-future__item:hover {
  border-style: solid;
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* Vision Section */
.section--vision {
  position: relative;
  overflow: hidden;
  padding: calc(var(--section-padding) * 1.2) 0;
}

.vision__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.vision__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.vision__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-overlay-heavy);
}

.vision__content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.vision__lead {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

.vision__content > p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.vision__pillars {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
  margin: 2rem 0;
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.vision__pillar {
  text-align: center;
  flex-shrink: 0;
}

.vision__pillar-number {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.vision__pillar-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  line-height: 1.35;
  width: 120px;
  min-height: 2.5rem;
  margin: 0.375rem auto 0;
  overflow-wrap: anywhere;
}

.vision__list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text);
  font-weight: 500;
}

.vision__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.vision__goal {
  font-weight: 500;
  color: var(--color-text) !important;
  border-left: 3px solid var(--color-text-muted);
  padding-left: 1.25rem;
}

/* Contact */
.section--contact {
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.contact-grid__info p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-details__item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-details__item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.contact-details__item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin-bottom: 0.25rem;
}

.contact-details__item span,
.contact-details__item a {
  display: block;
  color: var(--color-text);
}

.contact-details__sub {
  font-size: 0.875rem;
  color: var(--color-text-muted) !important;
  margin-top: 0.25rem;
}

.contact-form {
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-subtle);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-subtle);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-status {
  margin-top: 1rem;
  font-size: 0.9375rem;
  text-align: center;
  min-height: 1.5rem;
}

.form-status.success { color: var(--color-success); }
.form-status.error { color: var(--color-error); }

/* Footer */
.site-footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-grid__brand p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-top: 1rem;
  max-width: 320px;
}

[data-theme="light"] .footer-grid__brand img {
  filter: invert(1) hue-rotate(180deg);
}

.footer-grid h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-subtle);
  margin-bottom: 1rem;
}

.footer-grid__links ul li { margin-bottom: 0.5rem; }

.footer-grid__links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.footer-grid__links a:hover { color: var(--color-accent); }

.footer-grid__contact p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0.375rem;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .about-grid,
  .university-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .university-grid__visual { order: -1; }

  .integration-diagram {
    max-width: 320px;
  }

  .integration-diagram__center {
    width: 110px;
    height: 110px;
  }

  .integration-diagram__center img {
    width: 66px;
  }

  .integration-diagram__orbit {
    width: 104px;
    min-height: 2.5rem;
    font-size: 0.5625rem;
    padding: 0.375rem 0.4375rem;
  }

  html[lang="hu"] .integration-diagram__orbit {
    width: 108px;
    font-size: 0.5rem;
  }

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

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

  .footer-grid__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root { --header-height: 70px; }

  .site-header.menu-open {
    z-index: 9990;
  }

  .nav {
    position: relative;
    z-index: 2;
  }

  .nav__toggle { display: flex; }

  .nav__logo {
    position: relative;
    z-index: 2;
  }

  .nav__links {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    flex-shrink: 0;
    min-width: 100%;
    width: 100%;
    max-width: none;
    min-height: 100dvh;
    height: 100dvh;
    padding: calc(var(--header-height) + 1.5rem) 1.5rem 2rem;
    background: var(--color-bg-elevated);
    border-top: none;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition), visibility var(--transition);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.5rem;
    visibility: hidden;
    pointer-events: none;
  }

  .nav__links.open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav__links > li {
    width: 100%;
    flex: 0 0 auto;
  }

  .nav__links a {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    line-height: 1.4;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .nav__lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    margin-left: 0;
    padding: 0.875rem 1rem;
  }

  .nav__cta {
    margin-left: 0 !important;
    margin-top: 0;
    text-align: center;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav__toggle.active span:nth-child(2) { opacity: 0; }
  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 280px; }

  .vision__pillars {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .hero__stats { gap: 1.5rem; }
  .partners__logo {
    width: 160px;
    height: 56px;
    flex-basis: 160px;
  }
  .partners__logo img {
    max-width: 150px;
    max-height: 44px;
  }
  .partners__logo--icao img {
    transform: scale(1.45);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  html { scroll-behavior: auto; }
}

/* Careers Page */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 4rem) 0 3rem;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.page-hero--banner {
  padding: calc(var(--header-height) + 5rem) 0 4rem;
  border-bottom: none;
}

.page-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.55) 0%,
    rgba(10, 10, 10, 0.82) 100%
  );
}

[data-theme="light"] .page-hero__overlay {
  background: linear-gradient(
    180deg,
    rgba(245, 245, 245, 0.55) 0%,
    rgba(245, 245, 245, 0.9) 100%
  );
}

.page-hero--banner .container {
  position: relative;
  z-index: 1;
}

.careers-banner {
  position: relative;
  width: 100%;
  height: clamp(180px, 22vw, 280px);
  overflow: hidden;
}

.careers-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.85;
}

.careers-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 10, 0.35), rgba(10, 10, 10, 0.15));
  pointer-events: none;
}

[data-theme="light"] .careers-banner::after {
  background: linear-gradient(90deg, rgba(245, 245, 245, 0.4), rgba(245, 245, 245, 0.15));
}

.careers-footer-cta {
  position: relative;
  padding: 3rem 0 var(--section-padding);
  background: var(--color-bg);
  text-align: center;
  overflow: hidden;
}

.careers-footer-cta--banner {
  padding: clamp(4rem, 10vw, 6rem) 0;
}

.careers-footer-cta__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.careers-footer-cta__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.2;
}

.careers-footer-cta__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-heavy);
}

.careers-footer-cta--banner .container {
  position: relative;
  z-index: 1;
}

.page-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-subtle);
  margin-bottom: 0.75rem;
}

.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.page-hero__desc {
  max-width: 640px;
  color: var(--color-text-muted);
  font-size: 1.125rem;
  line-height: 1.6;
}

.careers-apply {
  padding: 2rem 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.careers-apply__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
}

.careers-apply__inner p {
  color: var(--color-text-muted);
  max-width: 520px;
}

.careers-apply__inner strong {
  color: var(--color-text);
}

.careers-benefits {
  padding: var(--section-padding) 0;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.careers-benefits .section__header {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.careers-benefits__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.careers-benefits__item {
  padding: 1.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.careers-benefits__item:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.careers-benefits__item svg {
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.careers-benefits__item h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.careers-benefits__item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.careers-list {
  padding: var(--section-padding) 0;
  background: var(--color-bg-elevated);
}

.careers-list__grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.job-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.job-card:hover {
  border-color: var(--color-border-strong);
}

.job-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.75rem;
  cursor: pointer;
  list-style: none;
}

.job-card__header::-webkit-details-marker { display: none; }

.job-card__title-wrap {
  flex: 1 1 280px;
  min-width: 0;
}

.job-card__title-wrap h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.job-card__code {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  background: var(--color-accent-muted);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.job-card__summary {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.job-card__reports {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  text-align: right;
  flex: 0 1 240px;
  min-width: 0;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.job-card__toggle {
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--color-text-muted);
  text-align: right;
  line-height: 1.3;
  flex: 0 0 auto;
  overflow-wrap: anywhere;
}

.job-card[open] .job-card__toggle::before { content: 'Hide details'; }
.job-card:not([open]) .job-card__toggle::before { content: 'View details'; }

html[lang="hu"] .job-card[open] .job-card__toggle::before { content: 'Részletek elrejtése'; }
html[lang="hu"] .job-card:not([open]) .job-card__toggle::before { content: 'Részletek megtekintése'; }

.job-card__body {
  padding: 0 1.75rem 1.75rem;
  border-top: 1px solid var(--color-border);
}

.job-card__body h3 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin: 1.25rem 0 0.75rem;
}

.job-card__body ul {
  list-style: disc;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.job-card__body li {
  margin-bottom: 0.5rem;
  padding-left: 0.25rem;
}

.job-card__body li::marker {
  color: var(--color-text-subtle);
}

.careers-footer-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.careers-footer-cta:not(.careers-footer-cta--banner) p {
  max-width: 480px;
}

@media (max-width: 768px) {
  .job-card__reports,
  .job-card__toggle {
    text-align: left;
    flex-basis: 100%;
  }

  .careers-benefits__grid {
    grid-template-columns: 1fr;
  }

  .careers-apply__inner {
    flex-direction: column;
    align-items: stretch;
  }
}