:root {
  --accent:     #1f6b4b;
  --accent-600: #1f6b4b;
  --accent-700: #18543b;
  --bg:         #ffffff;
  --text:       #1d1d1f;
  --muted:      #6b7280;
  --border:     #e5e7eb;
  --card:       #f8fafc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans,
               Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent-600); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

/* ── Header & Navigation ─────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
}

.brand { display: flex; gap: .6rem; align-items: center; font-weight: 700; letter-spacing: .2px; }
.brand .logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--accent-600);
  display: inline-block;
  position: relative;
}
.brand .logo::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 6px;
  background: #fff;
  opacity: .9;
}
.brand span { font-size: 1.05rem; }

/* Mobile nav */
#nav-toggle { display: none; }
.menu-btn {
  display: none;
  cursor: pointer;
  padding: .75rem 1rem;
  border-radius: 12px;
  border: 2px solid var(--border);
  font-size: 1.4rem;
  background: #fff;
}
.menu-btn:focus { outline: 2px solid var(--accent-600); outline-offset: 2px; }

nav ul { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; }
nav a  { padding: .5rem .75rem; border-radius: 10px; }
nav a:hover { background: var(--card); text-decoration: none; }

@media (max-width: 860px) {
  .menu-btn { display: block; margin-left: auto; }
  nav ul {
    position: absolute;
    top: 64px; right: 12px; left: 12px;
    flex-direction: column;
    gap: .75rem;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
    display: none;
  }
  #nav-toggle:checked ~ nav ul { display: flex; }
}

/* ── Hero ────────────────────────────────────────────────── */
.hero { position: relative; }
.hero .hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) 1rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
}
.hero h1 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.15; margin: 0 0 .75rem; }
.hero p  { color: var(--muted); font-size: 1.05rem; margin: .5rem 0 1.25rem; }

.cta { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-weight: 600;
}
.btn.primary { background: var(--accent-600); color: #fff; border-color: var(--accent-700); }
.btn.primary:hover { background: var(--accent-700); }

.hero .media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 10;
  background: #eef2f1;
  display: grid;
  place-items: center;
  color: #7a857f;
}
.hero .media img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (max-width: 900px) {
  .hero .hero-inner { grid-template-columns: 1fr; }
}

/* ── Sections ────────────────────────────────────────────── */
.section { max-width: 1100px; margin: 0 auto; padding: clamp(2rem, 5vw, 4rem) 1rem; }
.section h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); margin: 0 0 1rem; }
.lead { color: var(--muted); }

/* ── Grid ────────────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.col-6  { grid-column: span 6; }
.col-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .col-4, .col-6 { grid-column: span 12; }
}

/* ── Cards ───────────────────────────────────────────────── */
.card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 1rem; }
.card h3 { margin-top: 0; }

/* ── Downloads ───────────────────────────────────────────── */
.downloads { display: flex; flex-direction: column; gap: .5rem; }
.doc {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.doc .meta    { display: flex; flex-direction: column; gap: .2rem; }
.doc .title   { font-weight: 600; }
.doc .date    { color: var(--muted); font-size: .9rem; }
.doc .actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Footer ──────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); background: #fff; }
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
}
.small { color: var(--muted); font-size: .925rem; }

/* ── PDF Viewer ──────────────────────────────────────────── */
.viewer { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.viewer .frame {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  height: calc(100vh - 150px);
}
.back { display: inline-flex; align-items: center; gap: .5rem; margin: .5rem 0 1rem; }

/* ── Accessibility ───────────────────────────────────────── */
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0 !important;
  border: 0 !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden;
}

/* ── Forms ───────────────────────────────────────────────── */
.form { max-width: 720px; }
.form .form-row   { display: flex; gap: .75rem; }
.form .form-group { margin-bottom: .75rem; }

label.form-label { display: block; margin-bottom: .35rem; font-weight: 600; }

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: .6rem .75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
  background: #fff;
}
textarea { min-height: 90px; resize: vertical; }

.hint        { color: var(--muted); font-size: .95rem; }
.msg-success { background: #ecfdf5; border: 1px solid #bbf7d0; padding: .8rem; border-radius: 10px; color: #064e3b; margin-bottom: 1rem; }
.msg-error   { background: #fff1f2; border: 1px solid #fecaca; padding: .8rem; border-radius: 10px; color: #7f1d1d; margin-bottom: 1rem; }
.form-actions { margin-top: .5rem; display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.small-muted  { font-size: .9rem; color: var(--muted); }

@media (max-width: 700px) {
  .form .form-row { flex-direction: column; }
}

/* ── Social icons ────────────────────────────────────────── */
.h2row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.soc   { display: flex; gap: .35rem; }
.soc a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  text-decoration: none;
}
.soc a:hover, .soc a:focus { background: var(--card); color: var(--accent-600); }

/* ── Media coverage list ─────────────────────────────────── */
.media-list { display: flex; flex-direction: column; gap: .75rem; margin-top: .75rem; }
.media-item { border: 1px solid var(--border); border-radius: 12px; padding: .85rem 1rem; background: var(--card); }
.media-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
.media-head .left { display: flex; gap: .5rem; flex-wrap: wrap; align-items: baseline; }
.badge { display: inline-flex; align-items: center; padding: .18rem .55rem; border-radius: 999px; font-size: .85rem; background: #fff; border: 1px solid var(--border); }
.media-title  { font-weight: 700; margin: .35rem 0 .15rem; }
.media-teaser { margin: 0; color: var(--muted); }
.media-actions { margin-top: .55rem; display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Back-to-top button (mobile only) ────────────────────── */
#back-to-top {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  width: 44px; height: 44px;
  border-radius: 999px;
  background: var(--accent-600);
  color: #fff;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
  transition: opacity .2s;
}
@media (max-width: 860px) {
  #back-to-top.visible { display: flex; }
}