/* ============================================================
   AI4DigiT — European Digital Innovation Hub
   Brand system per Communication & Dissemination Handbook (D2.1)
   ============================================================ */

:root {
  /* Primary pillar colours */
  --coral: #F4796A;   /* Digital Assessment */
  --peach: #F5A57A;   /* Training & Education */
  --sky:   #87C0E0;   /* Finance & Matchmaking */
  --mint:  #4EC28A;   /* Ecosystem & Network */

  /* 10% tints */
  --coral-10: #FDE9E7;
  --peach-10: #FDF0E5;
  --sky-10:   #E0F0FA;
  --mint-10:  #E0F7EC;

  /* Neutrals */
  --steel:    #5E6D82;
  --navy:     #1A3A6B;
  --light-grey: #F2F5FA;
  --mid-grey: #D0D8E4;
  --charcoal: #3C4A5A;
  --white:    #FFFFFF;

  --eu-blue:  #003399;
  --eu-yellow:#FFCC00;

  --maxw: 1140px;
  --radius: 14px;
  --shadow: 0 12px 40px rgba(26, 58, 107, 0.10);
  --shadow-sm: 0 4px 16px rgba(26, 58, 107, 0.08);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--charcoal);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: "Montserrat", system-ui, sans-serif;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 .5em;
}

h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
h3 { font-size: 1.2rem; }

a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; }

p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { padding: 84px 0; }
.section-light { background: var(--light-grey); }

.eyebrow {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  color: var(--coral);
  margin-bottom: .6rem;
}

.lead { font-size: 1.15rem; color: var(--steel); max-width: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: .9rem;
  padding: 13px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--coral); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: #ef6253; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--mid-grey); }
.btn-ghost:hover { border-color: var(--navy); }

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--mid-grey);
}
.nav {
  display: flex; align-items: center; gap: 18px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { height: 46px; width: 46px; }
.brand .wordmark { display: flex; flex-direction: column; line-height: 1.05; }
.brand .wordmark b {
  font-family: "Montserrat", sans-serif; font-weight: 800;
  font-size: 1.25rem; color: var(--navy); letter-spacing: .01em;
}
.brand .wordmark span { font-size: .68rem; color: var(--steel); letter-spacing: .03em; }

.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--charcoal); font-weight: 600; font-size: .92rem;
  font-family: "Montserrat", sans-serif; padding: 6px 2px; border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--navy); border-bottom-color: var(--coral); text-decoration: none; }

.lang-toggle { display: flex; gap: 8px; align-items: center; }
.lang-toggle button {
  border: 0; background: transparent; cursor: pointer; padding: 2px; line-height: 0;
  border-radius: 4px; opacity: .45; filter: grayscale(35%);
  transition: opacity .15s ease, transform .15s ease;
}
.lang-toggle button img {
  display: block; width: 30px; height: 20px; border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.12);
}
.lang-toggle button:hover { opacity: .85; transform: translateY(-1px); }
.lang-toggle button.active { opacity: 1; filter: none; }
.lang-toggle button.active img { box-shadow: 0 0 0 2px var(--navy); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, var(--sky-10), transparent 60%),
    radial-gradient(800px 500px at 5% 110%, var(--mint-10), transparent 55%),
    var(--white);
  padding: 96px 0 84px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
.hero h1 .accent { color: var(--coral); }
.hero .lead { font-size: 1.25rem; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-art { display: flex; justify-content: center; }
.hero-art .ring {
  position: relative; width: 510px; height: 510px; max-width: 88vw;
  display: grid; place-items: center;
}
.hero-art img { width: 64%; filter: drop-shadow(0 18px 40px rgba(26,58,107,.18)); }
.hero-art .petal-dot { position: absolute; width: 16px; height: 16px; border-radius: 50%; }

.stats { display: flex; gap: 36px; flex-wrap: wrap; margin-top: 40px; }
.stat b { font-family: "Montserrat", sans-serif; font-size: 2rem; color: var(--navy); display: block; }
.stat span { color: var(--steel); font-size: .9rem; }

/* ---------- Pillars / Services ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pillar {
  background: var(--white); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow-sm); border-top: 5px solid var(--c);
  transition: transform .18s ease, box-shadow .18s ease;
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pillar .icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--c); color: #fff; margin-bottom: 16px;
}
.pillar .icon svg { width: 28px; height: 28px; }
.pillar h3 { color: var(--navy); }
.pillar .codes { font-size: .78rem; font-weight: 700; color: var(--c); letter-spacing: .04em; margin-top: 14px; font-family: "Montserrat",sans-serif; }
.pillar p { font-size: .94rem; color: var(--steel); margin: 0; }

/* ---------- Partners ---------- */
.partners { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.partner {
  background: var(--white); border: 1px solid var(--mid-grey); border-radius: var(--radius);
  padding: 26px 22px; text-align: left;
}
.partner .tag {
  display: inline-block; font-family: "Montserrat",sans-serif; font-weight: 800; font-size: 1.4rem;
  color: var(--white); background: var(--navy); border-radius: 10px; padding: 6px 14px; margin-bottom: 14px;
}
.partner.role-coord .tag { background: var(--coral); }
.partner h3 { font-size: 1.02rem; }
.partner .role { font-size: .8rem; font-weight: 700; color: var(--coral); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; font-family:"Montserrat",sans-serif; }
.partner p { font-size: .9rem; color: var(--steel); margin: 0; }

/* ---------- Activities ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--white); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm);
}
.card .kbadge { font-size: 1.8rem; }
.card h3 { margin-top: 10px; }
.card p { font-size: .92rem; color: var(--steel); margin: 0; }

/* ---------- Audience chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.chip {
  background: var(--white); border: 1px solid var(--mid-grey); border-radius: 999px;
  padding: 8px 16px; font-size: .88rem; font-weight: 600; color: var(--navy);
}
.chip::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--coral); margin-right: 8px; vertical-align: middle; }

/* ---------- Impact / KPI ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.kpi {
  background: var(--white); border-radius: var(--radius); padding: 26px; text-align: center;
  box-shadow: var(--shadow-sm); border-bottom: 4px solid var(--c);
}
.kpi b { font-family:"Montserrat",sans-serif; font-size: 2.3rem; color: var(--navy); display:block; }
.kpi .label { font-weight: 700; color: var(--charcoal); }
.kpi .sub { font-size: .82rem; color: var(--steel); }

/* ---------- Timeline ---------- */
.timeline { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.phase { background: var(--white); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.phase .yr { font-family:"Montserrat",sans-serif; font-weight:800; color: var(--coral); }
.phase ul { margin: 12px 0 0; padding-left: 18px; color: var(--steel); font-size: .9rem; }
.phase li { margin-bottom: 6px; }

/* ---------- Newsletter / CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy), #234a86);
  color: var(--white); border-radius: 22px; padding: 48px; text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,.85); max-width: 620px; margin: 0 auto 24px; }
.subscribe { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.subscribe input {
  flex: 1 1 240px; padding: 13px 18px; border-radius: 999px; border: 0; font-size: 1rem;
}
.subscribe small { display:block; color: rgba(255,255,255,.65); margin-top: 12px; font-size: .8rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info p { color: var(--steel); }
.contact-info a { font-weight: 600; }

/* ---------- Footer ---------- */
footer.site { background: var(--navy); color: rgba(255,255,255,.82); padding: 56px 0 28px; }
footer.site .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; }
footer.site h4 { color: var(--white); font-size: 1rem; }
footer.site a { color: rgba(255,255,255,.82); }
footer.site a:hover { color: var(--white); }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin-bottom: 8px; font-size: .92rem; }
.eu-note {
  display: flex; align-items: center; gap: 14px; margin-top: 28px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.18); font-size: .85rem;
}
.eu-note .eu-logo { flex: 0 0 auto; height: 46px; width: auto; display: block; }
.copyright { text-align: center; margin-top: 24px; font-size: .82rem; color: rgba(255,255,255,.6); }

/* EU co-funded badge (header) */
.eu-badge { display: flex; align-items: center; }
.eu-badge img { height: 32px; width: auto; display: block; }

/* i18n visibility */
[data-lang-block] { display: none; }
[data-lang-block].active { display: revert; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .grid-4, .partners, .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .timeline { grid-template-columns: 1fr; }
  .contact-grid, footer.site .cols { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .eu-badge { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--mid-grey); padding: 18px 24px; gap: 12px;
  }
  .nav-toggle { display: block; }
  section { padding: 60px 0; }
  .grid-4, .partners, .kpis { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}

/* Focus visibility — WCAG 2.1 AA */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--sky); outline-offset: 2px; border-radius: 4px;
}
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff;
  padding: 10px 16px; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- News timeline ---------- */
.timeline-news { position: relative; margin-top: 40px; }
.timeline-news::before {
  content: ""; position: absolute; left: 43px; top: 16px; bottom: 16px; width: 3px; border-radius: 3px;
  background: linear-gradient(var(--coral), var(--sky));
}
.tl-item { position: relative; padding-left: 122px; margin-bottom: 30px; }
.tl-dot {
  position: absolute; left: 0; top: 20px; width: 88px; height: 88px; border-radius: 50%;
  background: #fff; border: 3px solid var(--coral); box-shadow: 0 6px 16px rgba(26,58,107,.16); z-index: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.05;
  font-family: "Montserrat", sans-serif; text-align: center;
}
.tl-dot b { font-size: 1.4rem; font-weight: 800; color: var(--navy); }
.tl-dot span { font-size: .8rem; font-weight: 700; color: var(--navy); margin-top: 3px; letter-spacing: .01em; }
.tl-item:nth-child(2) .tl-dot { border-color: var(--sky); }
.tl-card {
  display: flex; gap: 0; background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
}
.tl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.tl-media { flex: 0 0 240px; display: block; overflow: hidden; }
.tl-media img { width: 100%; height: 100%; min-height: 160px; object-fit: cover; display: block; transition: transform .3s ease; }
.tl-card:hover .tl-media img { transform: scale(1.04); }
.tl-body { padding: 22px 24px; }
.tl-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.tl-date { font-family: "Montserrat", sans-serif; font-weight: 700; font-size: .82rem; color: var(--navy); }
.tl-tag {
  font-family: "Montserrat", sans-serif; font-weight: 700; font-size: .66rem; text-transform: uppercase;
  letter-spacing: .05em; color: #fff; background: var(--coral); border-radius: 999px; padding: 3px 11px;
}
.tl-item:nth-child(2) .tl-tag { background: var(--sky); color: var(--navy); }
.tl-body h3 { margin: 0 0 8px; font-size: 1.15rem; }
.tl-body p { margin: 0 0 12px; color: var(--steel); font-size: .94rem; }
.tl-more {
  font-family: "Montserrat", sans-serif; font-weight: 700; font-size: .8rem; color: var(--coral);
  text-transform: uppercase; letter-spacing: .03em;
}
.tl-more:hover { text-decoration: none; color: var(--navy); }
@media (max-width: 720px) {
  .tl-card { flex-direction: column; }
  .tl-media { flex-basis: auto; height: 180px; }
}

/* 10-services list */
.svc-ul { list-style: none; padding: 0; margin: 14px 0 0; }
.svc-ul li { position: relative; padding-left: 20px; margin-bottom: 9px; font-size: .95rem; color: var(--charcoal); line-height: 1.35; }
.svc-ul li::before { content: ""; position: absolute; left: 0; top: .5em; width: 8px; height: 8px; border-radius: 50%; background: var(--coral); }
#network .btn-ghost { display: inline-block; }