/* Base */
:root{
  --bg: #f9fafb;         /* off-white background */
  --panel: #ffffff;      /* white panels */
  --card: #ffffff;       /* cards white */
  --muted: #6b7280;      /* gray-500 */
  --text: #111827;       /* gray-900 */
  --accent: #0ea5e9;     /* sky-500 */
  --accent-2: #006499;   /* emerald-500 */
  --ring: rgba(14,165,233,.35);
  --border: #e5e7eb;     /* gray-200 */
  --shadow: 0 6px 16px rgba(0,0,0,.08);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 .6rem;
  color: #006499;
}
h1 { font-size: clamp(1.8rem, 2vw + 1.2rem, 2.4rem); }
h2 { font-size: clamp(1.4rem, 1.3vw + 1rem, 1.8rem); }
h3 { font-size: 1.75rem; }

p { margin: 0 0 1rem; }
strong { color: #000; }

/* Accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
}
.skip-link:focus {
  left: 1rem; top: 1rem; z-index: 1000;
  background: var(--accent);
  color: #fff;
  padding: .5rem .75rem;
  border-radius: .5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 50;
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .8rem 0;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .9rem; }
.logo-circle {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-weight: 800; font-size: .9rem;
}
.brand-text { display: grid; line-height: 1.1; }
.brand-title { font-weight: 700; }
.brand-edition { color: var(--muted); font-size: .85rem; }

.header-nav {
  display: flex; gap: .9rem; flex-wrap: wrap;
}
.header-nav a {
  text-decoration: none; color: var(--text);
  padding: .4rem .6rem; border-radius: .7rem;
  border: 1px solid transparent;
}
.header-nav a:hover { border-color: var(--border); background: #f3f4f6; }

/* Hero */
.hero {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.hero-inner { padding: 3.2rem 0 2.6rem; }
.hero-tag {
  display: inline-block;
  padding: .35rem .6rem;
  border-radius: 999px;
  background: #e0f2fe;
  color: var(--accent);
  font-size: 1.25rem;
}
.hero-title { margin-top: 1rem; }
.hero-subtitle { color: var(--muted); font-size: 1.5rem; }
.hero-cta { margin-top: 1.2rem; display: flex; gap: .6rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: .7rem 1rem;
  border-radius: .7rem;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  transition: background .2s ease, transform .1s ease;
  background: #f9fafb;
}
.btn:hover { transform: translateY(-1px); background: #f3f4f6; }
.btn.primary {
  background: linear-gradient(135deg, #0ea5e922, #10b98122);
  border-color: var(--ring);
}

/* Sections */
.section { padding: 2.2rem 0; }
.section-alt { background: #f9fafb; border-block: 1px solid var(--border); }
.muted { color: var(--muted); }

blockquote:before {
    top: 0rem;
    left: 10px;
}
blockquote:after {
    right: 10px;
}

.quote {
  margin: 1.2rem 0 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: #f0f9ff;
  border-radius: var(--radius);
}

.quote p {
    width: 88%;
    text-align: justify;
    margin: 0px auto;
}

.quote footer { color: var(--muted); margin: 16px auto 0px; }

/* Lists */
.checklist {
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: .6rem;
}
.checklist li {
  position: relative;
  padding-left: 28px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: .7rem;
  padding-block: .7rem;
}
.checklist li::before {
  content: "✓";
  position: absolute; left: .7rem; top: .65rem;
  font-weight: 700; color: var(--accent-2);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 1rem;
}
.card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: .3rem; }
.card img {
    width: 100%;
    margin-bottom: 12px;
}
.card p {
  color: #5f5f5f;
  line-height: 22px;
}

/* Speakers */
.speakers {
  margin: 0; padding-left: 1.2rem;
  display: grid; gap: .4rem;
}
.speakers li {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: .7rem;
  padding: .6rem .8rem;
}
.speakers li img {
    width: 5%;
    min-width: 52px;
    margin-right: 12px;
}

/* Supporters note */
.note {
  margin-top: 1rem;
  padding: .9rem 1rem;
  border-radius: .7rem;
  border: 1px dashed var(--ring);
  background: #ecfeff;
}

/* Links block */
.links {
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: .4rem;
}
.links a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent);
}
.links a:hover { border-bottom-style: solid; }

/* Contacts */
.contacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1rem;
}
.contact {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem;
}
.contact h3 {
    font-size: 1.75rem;
    /* font-weight: 400; */
    /* letter-spacing: 1px; */
}
.contact a { color: var(--accent); text-decoration: none; }
.contact a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: #f9fafb;
}
.footer-inner {
  padding: 1.2rem 0;
  text-align: center;
}
.tiny { color: var(--muted); font-size: .9rem; }

#media .disabled {
    opacity: .6;
    filter: grayscale(1);
    cursor: not-allowed;
}

#media .cards {
    display: flex;
    gap: 48px;
}

#media .card {
    width: 420px;
}

@media (max-width : 479px) {
      #media .cards {
        flex-direction: column;
    }
    #media .card {
        width: 100%;
    }
}

/* Responsive tweaks */
@media (max-width: 720px){
  .header-nav { display: none; }
  .hero-inner { padding: 2.4rem 0 2rem; }
}