:root {
  --c-primary:      #005071;
  --c-primary-dark: #003c56;
  --c-accent:       #3399CC;
  --c-accent-light: #5BC0DE;
  --c-text:         #26343b;
  --c-muted:        #5a6b73;
  --c-border:       #e6e9ec;
  --c-card-bg:      #ffffff;
  --shadow-sm:      0 1px 3px rgba(0, 40, 60, 0.08);
  --shadow-md:      0 10px 24px rgba(0, 80, 113, 0.14);
  --radius:         12px;
  --content-w:      1140px;
}

/* ---- Minimal reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

body a {
  color: var(--c-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color .2s ease;
}
body a:hover { color: var(--c-accent); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; border-radius: 2px; }
::selection { background: var(--c-primary); color: #fff; }

/* ---- Layout helpers ---- */
.container {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 20px;
}

#wrap { flex: 1 0 auto; width: 100%; }
.content { padding-top: 28px; }

/* ---- Header (starry background) ---- */
.header {
  position: relative;
  background: url('/img/other/galaxy.jpg') center center / cover no-repeat;
  display: flex;
  flex-direction: column;
  min-height: 300px;
}
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,28,42,0.18), rgba(0,28,42,0.55));
  pointer-events: none;
}
.header-bar,
.header-title { position: relative; z-index: 1; }

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand-logo {
  display: block;
  max-height: 50px;
  max-width: 100%;
  width: auto;
  height: auto;
}
.lang-switch {
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 999px;
  white-space: nowrap;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.lang-switch:hover {
  color: #fff;
  background-color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

.header-title {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 0 30px;
}
.header h1 {
  margin: 0;
  color: #ffffff;
  text-align: center;
  font-size: clamp(1.55rem, 1rem + 2.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  text-shadow: 0 2px 16px rgba(0,0,0,0.5);
}

/* ---- Presentation ---- */
.presentation {
  margin: 0;
  padding: 22px 36px 18px;
  border-radius: var(--radius);
  background-image:
    linear-gradient(rgba(255,255,255,0.78), rgba(255,255,255,0.78)),
    url('/img/other/clouds.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  font-size: 1.06rem;
  line-height: 1.7;
  text-align: justify;
  color: var(--c-text);
}
.presentation p { margin: 0 0 9px; }
.presentation p:last-child { margin-bottom: 0; }
.presentation img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 50%;
  vertical-align: middle;
  margin: 0 2px;
  box-shadow: 0 0 0 2px #fff, 0 2px 6px rgba(0,0,0,0.15);
}

/* ---- Technologies ---- */
.technologies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 22px;
}
.tech-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px 22px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #d3dbe0;
}
.tech-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 128px;
  margin-bottom: 14px;
}
.tech-logo img {
  max-height: 128px;
  max-width: 100%;
  width: auto;
  height: auto;
}
.technologies .tech-card:first-child .tech-logo img {
  max-height: 104px;
}
.tech-card p {
  margin: 0 0 9px;
  font-size: 1rem;
  color: var(--c-muted);
  line-height: 1.62;
}
.tech-card p:last-child { margin-bottom: 0; }

/* ---- Footer (compact) ---- */
#footer {
  flex-shrink: 0;
  width: 100%;
  margin-top: 32px;
  padding: 11px 0;
  background-color: var(--c-primary);
  background-image: linear-gradient(60deg, #227293, #004060);
  color: #ffffff;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.4;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 22px;
}
.footer-item { padding: 0; }
#footer a {
  color: #ffffff;
  font-weight: 500;
  transition: color .2s ease;
}
#footer a:hover { color: var(--c-accent-light); text-decoration: none; }
.copy { color: var(--c-accent-light); font-weight: 600; }

/* ---- Responsive ---- */
@media (max-width: 767.98px) {
  .content { padding-top: 22px; }
  .header { min-height: 240px; }
  .header-bar { padding-top: 12px; padding-bottom: 12px; }
  .brand-logo { max-height: 44px; }
  .header-title { padding: 10px 0 22px; }
  .presentation {
    padding: 18px 18px;
    text-align: left;
    font-size: 1rem;
  }
  .technologies { grid-template-columns: 1fr; gap: 14px; margin-top: 18px; }
  .tech-card { padding: 16px 16px 16px; }
  .tech-logo { height: 104px; margin-bottom: 10px; }
  .tech-logo img { max-height: 104px; }
  #footer { margin-top: 26px; padding: 10px 0; }
}

@media (max-width: 575.98px) {
  .header { min-height: 220px; }
  .header h1 { font-size: 1.5rem; }
  .footer-row { flex-direction: column; gap: 4px; }
  .presentation img { width: 40px; height: 40px; }
}