/* ============ THEME (change colours here) ============ */
:root {
  --primary: #1f7a4d;
  --primary-dark: #145a38;
  --accent: #f2a900;
  --bg: #ffffff;
  --bg-alt: #f4f8f5;
  --text: #1d2a23;
  --muted: #5d6b63;
  --border: #dce7df;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(20, 60, 40, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1100px, 92%); margin: 0 auto; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.4rem; color: var(--primary); }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 26px; }
.nav-links a { font-weight: 500; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--primary); }

/* ============ HERO ============ */
.hero {
  background: linear-gradient(135deg, #eaf5ee 0%, #ffffff 60%);
  padding: 90px 0 80px;
}
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 50px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: .85rem; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.15; margin: 10px 0 18px; }
.accent { color: var(--primary); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 540px; }
.hero-buttons { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow);
}
.avatar {
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: grid; place-items: center;
  font-size: 2rem; font-weight: 800; margin-bottom: 18px;
  border: 4px solid var(--accent);
}
.hero-card li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .95rem; }
.hero-card li:last-child { border: 0; }
.hero-card strong { display: block; color: var(--primary); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  font-weight: 600; border: 2px solid transparent; transition: all .2s; cursor: pointer;
  font-size: 1rem;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary-dark); }
.btn-light:hover { background: var(--accent); color: #000; }
.btn-small { padding: 8px 18px; font-size: .9rem; }

/* ============ SECTIONS ============ */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.section-title {
  font-size: 2rem; margin-bottom: 12px; position: relative; padding-bottom: 14px;
}
.section-title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 60px; height: 4px; border-radius: 4px; background: var(--accent);
}
.section-sub { color: var(--muted); margin-bottom: 30px; max-width: 640px; }
.sub-title { margin: 44px 0 14px; font-size: 1.3rem; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; margin-top: 30px; }
.about-grid p { margin-bottom: 16px; color: var(--muted); }
.about-grid strong { color: var(--text); }
.stats { display: grid; gap: 16px; }
.stat {
  background: var(--bg-alt); border-left: 5px solid var(--primary);
  padding: 16px 20px; border-radius: 10px; color: var(--muted); font-size: .9rem;
}
.stat span { display: block; font-size: 1.7rem; font-weight: 800; color: var(--primary); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 24px; margin-top: 30px; }
.card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow); transition: transform .2s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); }
.card h3 { color: var(--primary); margin-bottom: 8px; font-size: 1.15rem; }
.card p { color: var(--muted); font-size: .95rem; }

/* Timeline */
.timeline { margin-top: 30px; border-left: 3px solid var(--border); padding-left: 28px; }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: ""; position: absolute; left: -38px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--primary);
}
.date { font-size: .85rem; font-weight: 700; color: var(--primary); }
.timeline-item h3 { font-size: 1.15rem; }
.org { color: var(--muted); font-weight: 600; }
.timeline-item p:last-child { color: var(--muted); }

.pill-list { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-list li {
  background: var(--bg-alt); border: 1px solid var(--border);
  padding: 8px 18px; border-radius: 999px; font-size: .92rem;
}

/* ============ TOOLS SECTION ============ */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.filter-btn {
  background: #fff; border: 1px solid var(--border); color: var(--muted);
  padding: 7px 18px; border-radius: 999px; cursor: pointer; font-size: .9rem; font-weight: 600;
}
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.tool-card { padding: 0; overflow: hidden; }
.tool-img {
  height: 170px; background: linear-gradient(135deg, #d8eee1, #eef7f1);
  display: grid; place-items: center; font-size: 3.2rem;
}
.tool-img img { width: 100%; height: 100%; object-fit: cover; }
.tool-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.tool-cat { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); font-weight: 800; }
.tool-specs { margin: 12px 0; font-size: .88rem; color: var(--muted); }
.tool-specs li { padding: 3px 0; }
.tool-specs b { color: var(--text); }
.tool-body .btn { margin-top: auto; align-self: flex-start; }
.empty { margin-top: 24px; color: var(--muted); }
code { background: #e6efe9; padding: 2px 6px; border-radius: 5px; }

/* ============ CONTACT / FOOTER ============ */
.contact { background: var(--primary-dark); color: #fff; text-align: center; }
.contact .section-title::after { left: 50%; transform: translateX(-50%); }
.light { color: #fff; }
.section-sub.light { color: #cfe6d8; margin-inline: auto; }
.contact-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 10px; }
.footer { background: #0e3a24; color: #a8c7b5; text-align: center; padding: 20px 0; font-size: .9rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 800px) {
  .hero-inner, .about-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 4%; border-top: 1px solid var(--border); }
  .section { padding: 60px 0; }
}