/* General project stylesheet
   - Uses Google Fonts + Bulma via @import from CDNs (no install required)
   - Theme: cheerful yellow (organizers) + ocean blue (Jonas topic)
   - Style is young-ish, friendly and accessible
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bulma@0.9.4/css/bulma.min.css');

:root{
  --yellow: #FFD166;        /* brand yellow (cheerful) */
  --yellow-600: #FFCC33;
  --ocean: #0077B6;         /* ocean blue (Jonas) */
  --ocean-600: #005f94;
  --bg: #f7fafc;            /* very light neutral background */
  --card: #ffffff;
  --muted: #6b7280;
  --text: #0f172a;
  --radius: 10px;
  --shadow-sm: 0 2px 8px rgba(8,30,60,0.06);
  --shadow-md: 0 8px 24px rgba(8,30,60,0.08);
  --glass: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.75));
}

/* Base layout */
* { box-sizing: border-box; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
html,body { height:100%; }
body{
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  font-size:16px;
  line-height:1.5;
  color:var(--text);
  background: radial-gradient(1200px 400px at 10% 10%, rgba(0,119,182,0.04), transparent),
              radial-gradient(900px 300px at 90% 90%, rgba(255,209,102,0.03), transparent),
              var(--bg);
  margin:0;
  padding:0;
}

/* Container helpers */
.container {
  max-width:1100px;
  margin:0 auto;
  padding:1.25rem;
}

/* Header / Brand */
.brand, .footer-brand, nav .brand {
  font-weight:700;
  color:var(--ocean);
  letter-spacing:0.6px;
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
}
.brand::before {
  content:'';
  width:10px;
  height:10px;
  border-radius:3px;
  background: linear-gradient(135deg, var(--yellow), var(--ocean));
  box-shadow: 0 4px 12px rgba(0,119,182,0.12);
}

/* Nav */
nav[role="navigation"]{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:0.75rem 1rem;
  background: rgba(255,255,255,0.8);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  margin-bottom:1rem;
}
#main-nav {
  list-style:none;
  display:flex;
  gap:0.75rem;
  margin:0;
  padding:0;
  align-items:center;
}
#main-nav a {
  padding:0.45rem 0.6rem;
  border-radius:8px;
  color:var(--text);
  text-decoration:none;
  font-weight:600;
  font-size:0.95rem;
}
#main-nav a.active,
#main-nav a[aria-current="page"] {
  background: linear-gradient(90deg, rgba(0,119,182,0.08), rgba(255,209,102,0.06));
  color: var(--ocean);
  transform: translateY(-1px);
  transition: all 150ms ease;
  box-shadow: 0 6px 16px rgba(0,119,182,0.06);
}

/* improve focus visibility for keyboard users */
#main-nav a:focus {
  outline: 3px solid rgba(0,119,182,0.14);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Keep hover behaviour consistent with active look */
#main-nav a:hover {
  color: var(--ocean);
  background: linear-gradient(90deg, rgba(0,119,182,0.06), rgba(255,209,102,0.04));
}

/* Headings */
h1, h2, h3 {
  color:var(--ocean-600);
  margin-top:0.5rem;
  margin-bottom:0.5rem;
  line-height:1.15;
}
h1 { font-size:1.9rem; font-weight:700; letter-spacing:-0.02em; }
h2 { font-size:1.3rem; font-weight:600; }

/* Cards / content blocks */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding:1.25rem;
  box-shadow: var(--shadow-md);
  margin-bottom:1rem;
}

/* Forms */
label { font-weight:600; color:var(--ocean-600); display:block; margin-bottom:0.25rem; }
input[type="text"], input[type="email"], input[type="number"], textarea, select {
  width:100%;
  padding:0.6rem 0.75rem;
  border:1px solid rgba(15,23,42,0.08);
  border-radius:8px;
  background:linear-gradient(180deg, #fff, #fbfdff);
  font-size:1rem;
  color:var(--text);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.5);
  margin-bottom:0.75rem;
}
textarea { min-height:110px; resize:vertical; }
input[type="search"] { max-width:260px; }

/* Form controls / radios / checkboxes smaller style */
input[type="radio"], input[type="checkbox"] { transform:scale(1.05); margin-right:0.5rem; }

/* Buttons - primary (ocean) and accent (yellow) */
.button, button, .btn {
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.6rem 0.85rem;
  border-radius:8px;
  border:0;
  cursor:pointer;
  font-weight:700;
  font-size:0.95rem;
  transition:transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}
.button:active, .btn:active { transform:translateY(1px) }
.button-primary {
  background: linear-gradient(180deg, var(--ocean), var(--ocean-600));
  color:#fff;
  box-shadow: 0 8px 20px rgba(0,119,182,0.18);
}
.button-primary:hover { filter:brightness(1.03); }

.button-accent {
  background: linear-gradient(180deg, var(--yellow), var(--yellow-600));
  color: rgba(12,12,13,0.95);
  box-shadow: 0 8px 20px rgba(255,197,51,0.14);
}
.button-ghost {
  background:transparent;
  border:1px solid rgba(15,23,42,0.06);
  color:var(--text);
}

/* Flash messages (used in templates) */
[data-autoclose] {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:0.7rem 1rem;
  border-radius:10px;
  background: linear-gradient(90deg, rgba(255,209,102,0.12), rgba(0,119,182,0.06));
  border:1px solid rgba(15,23,42,0.04);
  box-shadow: var(--shadow-sm);
  margin-bottom:0.8rem;
}
[data-autoclose] button {
  background: transparent;
  border:0;
  color:var(--muted);
  font-weight:700;
  cursor:pointer;
}

/* Footer */
.site-footer {
  margin-top:2rem;
  padding:1.25rem;
  background: linear-gradient(180deg, rgba(0,119,182,0.03), rgba(255,209,102,0.02));
  color:var(--muted);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.site-footer a { color:var(--ocean-600); text-decoration:none; font-weight:600; }

/* Utility */
.kicker {
  display:inline-block;
  padding:0.18rem 0.5rem;
  border-radius:999px;
  font-size:0.8rem;
  font-weight:700;
  background: linear-gradient(90deg, rgba(255,209,102,0.18), rgba(0,119,182,0.08));
  color:var(--ocean-600);
}

/* Responsive tweaks */
@media (max-width:900px){
  nav[role="navigation"] { flex-direction:column; align-items:flex-start; gap:0.5rem; }
  #main-nav { flex-wrap:wrap; }
  .container { padding:0.85rem; }
  h1 { font-size:1.5rem; }
}

/* Accessibility helpers */
.visually-hidden {
  position:absolute !important;
  height:1px; width:1px;
  overflow:hidden;
  clip:rect(1px,1px,1px,1px);
  white-space:nowrap;
}

/* Small finishing touches for cheerful look */
a { color:var(--ocean); transition:opacity .12s ease; }
a:hover { opacity:0.85; text-decoration:underline; }

/* Ensure form selects use consistent radius in Safari */
select { -webkit-appearance: none; appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px); background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right:2.25rem; }

/* Make primary CTAs in our forms match project style */
form button[type="submit"] { all:unset; display:inline-block; cursor:pointer; padding:0.6rem 1rem; border-radius:8px; text-align:center; }
form button[type="submit"].primary { background:linear-gradient(90deg,var(--ocean),var(--ocean-600)); color:#fff; }
form button[type="submit"]:not(.primary) { background:linear-gradient(90deg,var(--yellow),var(--yellow-600)); }

/* Bright badge for event date or important notice */
.event-badge {
  display:inline-block;
  background:var(--yellow);
  color: #083344;
  padding:0.2rem 0.55rem;
  border-radius:999px;
  font-weight:800;
  box-shadow: 0 6px 18px rgba(255,209,102,0.12);
}

/* small helpers for template-specific bits */
footer .footer-top svg { fill: var(--ocean-600); }

/* Responsive & layout improvements */

/* Main content wrapper — templates can use <main id="main" class="main-content container"> */
.main-content {
  padding: 1.25rem;
  margin: 0 auto;
  max-width: 1100px;
}

/* Hero / page header */
.hero {
  background: linear-gradient(180deg, rgba(0,119,182,0.03), rgba(255,209,102,0.02));
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

/* Form responsive grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}
.form-grid .col-span-2 {
  grid-column: 1 / -1;
}

/* On wider screens, use two-column layout for forms */
@media (min-width: 820px) {
  .form-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .form-grid .col-span-2 { grid-column: span 2; }
  /* Slightly larger hero */
  .hero { padding: 1.5rem 1.75rem; }
}

/* Nav toggle styles */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--ocean-600);
  padding: 0.35rem;
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle svg { display:block; }

/* Hide nav links on small screens; reveal when active is set */
.nav-links {
  list-style: none;
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  align-items: center;
}

/* Mobile behaviour: stack links under brand and hide by default */
@media (max-width: 820px) {
  .site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.6rem;
  }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    margin-top: 0.6rem;
    gap: 0.5rem;
    background: rgba(255,255,255,0.95);
    padding: 0.7rem;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
  }
  .nav-links a {
    display: block;
    width: 100%;
    padding: 0.6rem;
  }
  .nav-toggle.active { background: linear-gradient(90deg, var(--ocean), var(--ocean-600)); color: #fff; }
  .nav-links.active { display: flex; }
}

/* Desktop tweaks */
@media (min-width: 821px) {
  .nav-toggle { display: none; }
}

/* Form inputs spacing adjustments for grid */
.form-grid input[type="text"], .form-grid input[type="email"], .form-grid input[type="number"], .form-grid select, .form-grid textarea {
  margin-bottom: 0; /* spacing handled by grid gap */
}

/* Make submit area full-width on small screens */
.form-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  justify-content: flex-start;
}
@media (max-width: 520px) {
  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .button, .form-actions button { width: 100%; text-align:center; }
}

/* Small spacing helper for cards inside grid */
.card.grid-card { padding: 1rem; }

/* Improve footer spacing on narrow screens */
@media (max-width:600px) {
  .site-footer .footer-top { flex-direction:column; align-items:flex-start; gap:0.5rem; }
  .site-footer .footer-bottom { flex-direction:column; gap:0.5rem; align-items:flex-start; }
}