/* VANTAGE website – single stylesheet
   Design reference: "Vantage Website-V02.pdf" (1024 px wide Canva layout)
   Colours and sizes below are taken from that PDF. */

/* ---------- Fonts (self-hosted, SIL Open Font License) ---------- */
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-300-normal.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  --teal: #0e5e66;
  --mist: #e6eeee;      /* light grey-blue panels, text on teal */
  --ink: #10242b;       /* main dark text */
  --accent: #c2391f;    /* active menu item */
  --white: #ffffff;

  --page-max: 1024px;   /* width of the PDF design */
  --gutter: clamp(20px, 6.25vw, 64px);

  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  color: var(--ink);
  background: var(--white);
  line-height: 1.45;
}

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

h1, h2, h3, p { margin: 0; }

strong, b, h1, h2, h3 { font-weight: 700; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.inner {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 8px 14px;
  z-index: 10;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Header ---------- */
.site-header { background: var(--white); }

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 110px;
  padding-left: clamp(16px, 2.8vw, 29px);
  padding-right: clamp(16px, 1.4vw, 14px);
}

.brand { display: block; flex: 0 0 auto; }
.brand img { width: clamp(140px, 18.3vw, 187px); }

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: clamp(18px, 4.5vw, 56px);
  /* the PDF places the menu slightly below the logo line */
  padding-top: 38px;
}

.main-nav a {
  font-size: clamp(16px, 2.4vw, 25px);
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.main-nav a:hover { color: var(--accent); }
.main-nav a[aria-current="page"] { color: var(--accent); }

/* ---------- Home: hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: clamp(320px, 45.5vw, 620px);
}

.hero-text {
  background: var(--mist);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: clamp(40px, 7.4vw, 76px) 24px 40px;
}

.hero-text h1 {
  font-size: clamp(26px, 3.6vw, 37px);
  letter-spacing: 0.01em;
  margin-bottom: clamp(24px, 5vw, 50px);
}

.hero-text .subtitle {
  font-size: clamp(19px, 2.85vw, 29px);
  line-height: 1.7;
  font-weight: 300;
}

.hero-media { position: relative; overflow: hidden; background: #0b1416; }
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Teal text band ---------- */
.band-teal {
  background: var(--teal);
  color: var(--mist);
}

.intro .inner {
  padding-top: clamp(48px, 9.6vw, 96px);
  padding-bottom: clamp(48px, 9.6vw, 110px);
}

.intro p {
  max-width: 900px;
  font-size: clamp(18px, 2.75vw, 28px);
  line-height: 1.53;
}
.intro p + p { margin-top: 1.53em; }

/* ---------- Partners ---------- */
.partners { background: var(--mist); }

.partners .inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(32px, 7vw, 108px);
  row-gap: 48px;
  padding-top: clamp(40px, 5.7vw, 56px);
  padding-bottom: 28px;
}

.partner { display: flex; flex-direction: column; align-items: flex-start; }
.partner p { flex: 1 0 auto; }

.partner h2 {
  font-size: clamp(24px, 3vw, 30px);
  margin-bottom: 16px;
}

.partner p {
  font-size: clamp(16px, 1.95vw, 20px);
  line-height: 1.39;
}

.partner .partner-link {
  display: inline-block;
  margin-top: 12px;
  font-size: clamp(16px, 1.95vw, 20px);
  text-decoration: none;
  word-break: break-word;
}
.partner .partner-link:hover { text-decoration: underline; }

.partner-logo {
  align-self: stretch;
  display: flex;
  justify-content: flex-start;
  padding-left: clamp(0px, 8vw, 84px);
  align-items: center;
  min-height: 170px;
  margin-top: 16px;
}
.partner-logo img.unibern { width: 172px; }
.partner-logo img.vitronco { width: 210px; }
.partner + .partner .partner-logo { padding-left: clamp(0px, 4.4vw, 45px); }

/* ---------- News ---------- */
.news { background: var(--teal); color: var(--white); }

.news .inner {
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(40px, 5vw, 52px);
  padding-left: clamp(20px, 4.5vw, 46px);
  padding-right: clamp(20px, 6.8vw, 70px);
}

.news-item { font-size: clamp(16px, 1.95vw, 20px); line-height: 1.5; }
.news-item + .news-item { margin-top: 1.75em; }
.news-item .meta { display: block; }
.news-item h2 { font-size: 1em; line-height: 1.5; }

/* ---------- Contact ---------- */
.contact .inner {
  min-height: clamp(320px, 45.4vw, 465px);
  padding-top: clamp(36px, 5vw, 48px);
  padding-bottom: 48px;
  padding-left: clamp(20px, 5.6vw, 57px);
}

.contact h1,
.contact p {
  font-size: clamp(24px, 3.4vw, 35px);
  font-weight: 700;
  line-height: 1.47;
  color: var(--mist);
}
.contact h1 { margin-bottom: 1.47em; }
.contact a { text-decoration: underline; white-space: nowrap; }
.contact a:hover { color: var(--white); }

/* ---------- Footer ---------- */
.site-footer { background: var(--white); }

.site-footer .inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 32px 56px;
  padding-top: 52px;
  padding-bottom: 52px;
  padding-right: clamp(20px, 7.6vw, 78px);
}

.site-footer .eic { width: 300px; }

/* Contact page footer: three logos in a row */
.site-footer.all-logos .inner {
  justify-content: space-between;
  column-gap: 24px;
  padding-left: clamp(20px, 9.2vw, 94px);
  padding-right: clamp(20px, 8vw, 82px);
}
.site-footer.all-logos .unibern { width: 118px; }
.site-footer.all-logos .vitronco { width: 170px; }

/* ---------- 404 ---------- */
.notfound .inner { padding-top: 64px; padding-bottom: 64px; }
.notfound h1 { font-size: 32px; margin-bottom: 16px; }
.notfound p { font-size: 20px; }

/* ---------- Tablet ---------- */
@media (max-width: 820px) {
  .site-header .inner { min-height: 90px; }
  .main-nav ul { padding-top: 24px; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .site-footer.all-logos .unibern { width: 96px; }
  .site-footer.all-logos .vitronco { width: 140px; }
  .site-footer.all-logos .eic { width: clamp(200px, 30vw, 250px); }
  .site-footer.all-logos .inner { padding-left: 32px; padding-right: 32px; }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .site-header .inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 16px;
    padding-bottom: 16px;
    min-height: 0;
  }
  .main-nav { width: 100%; }
  .main-nav ul {
    padding-top: 0;
    justify-content: space-between;
    gap: 8px;
  }
  .main-nav a { font-size: 17px; }

  .hero { grid-template-columns: 1fr; }
  .hero-text { padding: 40px 20px 44px; }
  .hero-media { aspect-ratio: 1.1 / 1; }

  .partners .inner { grid-template-columns: 1fr; }
  .partner-logo,
  .partner + .partner .partner-logo { min-height: 0; margin-top: 24px; padding-left: 0; }
  .partner-logo img.unibern { width: 130px; }
  .partner-logo img.vitronco { width: 180px; }

  .site-footer .inner,
  .site-footer.all-logos .inner {
    justify-content: center;
    padding: 36px 20px;
  }
  .site-footer .eic { width: 260px; }
  .site-footer.all-logos .inner { gap: 28px 40px; }
  .site-footer.all-logos .eic { flex-basis: 100%; max-width: 260px; }
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* EU funding disclaimer (required wording for EU-funded projects) */
.site-footer .disclaimer {
  flex-basis: 100%;
  max-width: 600px;
  margin-left: auto;
  font-size: 13px;
  line-height: 1.5;
  color: #4a5a60;
  text-align: right;
}
.site-footer.all-logos .disclaimer {
  max-width: 720px;
  margin-right: auto;
  text-align: center;
}
@media (max-width: 640px) {
  .site-footer .disclaimer,
  .site-footer.all-logos .disclaimer { margin-right: auto; text-align: center; }
}

/* Full-height layout on large screens: the coloured section stretches,
   so the footer always sits at the bottom of the browser window. */
body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}
main > section:last-child { flex: 1 0 auto; }
.site-header,
.site-footer { flex-shrink: 0; }