/* ==========================================================================
   general.css  —  shared styles across every page
   Theme: airy light blue · sharp shapes · shadowed depth (no rounded corners)
   ========================================================================== */

/* ---- Design tokens ------------------------------------------------------ */
:root {
  --bg:          #e8f3fb;   /* page background (light blue)          */
  --bg-grad-a:   #eef6fc;
  --bg-grad-b:   #d6e9f7;
  --panel:       #ffffff;   /* content panels                        */
  --panel-alt:   #f4f9fd;   /* subtle alternate panel                */
  --accent:      #2b8fd6;   /* primary blue                          */
  --accent-dark: #1f6fa8;
  --accent-soft: #e3f1fb;   /* pale blue fill                        */
  --ink:         #17384a;   /* main text                             */
  --muted:       #5a7686;   /* secondary text                        */
  --line:        #cfe2f0;   /* borders                               */

  --shadow-sm: 0 2px 6px rgba(31, 111, 168, .12);
  --shadow:    0 6px 18px rgba(31, 111, 168, .14);
  --shadow-lg: 0 12px 30px rgba(31, 111, 168, .18);

  --header-h: 66px;
  --maxw: 1080px;
  --font: "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;
}

/* ---- Reset -------------------------------------------------------------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg-grad-a) 0%, var(--bg-grad-b) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { color: var(--accent); }

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

/* ==========================================================================
   Header + navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--panel);
  border-bottom: 3px solid var(--accent);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--ink);
  letter-spacing: .2px;
}
.brand:hover { color: var(--ink); }
.brand .brand-sub {
  display: block;
  font-size: .68rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .4px;
  text-transform: uppercase;
}

/* Desktop nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav a {
  display: block;
  padding: 8px 14px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid transparent;
  transition: background .18s, color .18s, box-shadow .18s;
}
.nav a:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
  box-shadow: var(--shadow-sm);
}
.nav a.active {
  color: #fff;
  background: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* Hamburger button (hidden on desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 40px;
  padding: 9px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--accent-dark);
  transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   Layout containers
   ========================================================================== */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.page-title {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--ink);
  padding-bottom: 12px;
  margin-bottom: 28px;
  border-bottom: 3px solid var(--accent);
  display: inline-block;
}
.page-lead {
  color: var(--muted);
  margin: -18px 0 30px;
  max-width: 720px;
}

/* Generic sharp, shadowed panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  box-shadow: var(--shadow);
  padding: 22px 26px;
}

/* Section heading used inside pages */
.section-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin: 34px 0 16px;
  padding-left: 12px;
  border-left: 5px solid var(--accent);
}

/* Pill / tag */
.tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .3px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--line);
  text-transform: uppercase;
}

/* ==========================================================================
   Shared card primitives (used by several pages; tuned per page)
   ========================================================================== */
.card-grid {
  display: grid;
  gap: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  box-shadow: var(--shadow);
  padding: 20px 24px;
  transition: transform .15s, box-shadow .15s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  margin-bottom: 4px;
}
.card-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}
.card-org {
  font-weight: 600;
  color: var(--accent-dark);
}
.card-date {
  font-size: .82rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.card-body { color: var(--muted); margin-top: 8px; }
.desc-list {
  list-style: none;
  margin-top: 10px;
}
.desc-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  color: var(--muted);
}
.desc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  box-shadow: var(--shadow-sm);
}
.used-line {
  margin-top: 10px;
  font-size: .86rem;
  color: var(--ink);
}
.used-line strong { color: var(--accent-dark); }
.credential {
  display: inline-block;
  margin-top: 10px;
  font-weight: 700;
  font-size: .84rem;
  color: var(--accent-dark);
}
.credential::after { content: " \2197"; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #0f2f42;
  color: #cfe2f0;
  border-top: 3px solid var(--accent);
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: .86rem;
}
.footer-social { display: flex; align-items: center; gap: 18px; }
.footer-social a {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #cfe2f0;
  font-weight: 600;
}
.footer-social a:hover { color: #fff; }
.footer-social img {
  height: 18px;
  width: 18px;
  background: #fff;
  padding: 2px;
  border: 1px solid var(--line);
}
.footer-copy { color: #8fb2c7; }

/* ==========================================================================
   Responsive — mobile menu
   ========================================================================== */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav {
    position: absolute;
    top: var(--header-h);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--panel);
    border-bottom: 0 solid var(--accent);
    box-shadow: none;
    padding: 0 6px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease, border-width .3s ease;
  }
  .nav.open {
    max-height: 460px;
    padding: 8px 6px 12px;
    border-bottom-width: 3px;
    box-shadow: var(--shadow-lg);
  }
  .nav a {
    padding: 13px 16px;
    font-size: .98rem;
    border-bottom: 1px solid var(--line);
  }
  .nav li:last-child a { border-bottom: none; }
  .nav a.active { box-shadow: none; }

  .brand .brand-sub { display: none; }
}

@media (max-width: 520px) {
  .header-inner { padding: 0 16px; }
  .page { padding: 28px 16px 48px; }
  .page-title { font-size: 1.5rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}