:root {
  --green-900: #1d3b26;
  --green-700: #2f6b3f;
  --green-500: #4f9a5f;
  --green-100: #e8f1e9;
  --sand: #f7f4ee;
  --text: #24302a;
  --muted: #5d6b63;
  --border: #d9e2db;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.65;
  color: var(--text);
  background: #fff;
}

h1, h2, h3 { font-family: "Merriweather", Georgia, serif; line-height: 1.25; color: var(--green-900); }
h2 { font-size: 1.9rem; margin: 0 0 1.5rem; }
h3 { font-size: 1.1rem; margin: 0 0 .5rem; }
a { color: var(--green-700); }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; font-weight: 600; font-size: 1.3rem; color: var(--green-900); letter-spacing: .04em; }
.brand-mark { width: 30px; height: 30px; }
.brand-mark path { fill: var(--green-700); }
.brand-mark .vein { fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; }

.site-nav { display: flex; gap: 1.75rem; }
.site-nav a { text-decoration: none; color: var(--text); font-weight: 600; }
.site-nav a:hover { color: var(--green-700); }

.nav-toggle { display: none; }
.nav-toggle-label { display: none; }

/* Hero */
.hero {
  background:
    linear-gradient(135deg, rgba(29,59,38,.92), rgba(47,107,63,.82)),
    radial-gradient(circle at 80% 20%, #8fbf7a, transparent 60%);
  color: #fff;
  padding: 110px 0 120px;
}
.hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); margin: .25rem 0 1rem; max-width: 760px; }
.eyebrow { text-transform: uppercase; letter-spacing: .15em; font-size: .85rem; opacity: .85; margin: 0; }
.lead { font-size: 1.2rem; max-width: 620px; opacity: .95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

.btn { display: inline-block; padding: .75rem 1.5rem; border-radius: 999px; font-weight: 600; text-decoration: none; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: #fff; color: var(--green-900); }
.btn-ghost { border: 2px solid rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--sand); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem; }
.card { background: #fff; border: 1px solid var(--border); border-top: 4px solid var(--green-500); border-radius: var(--radius); padding: 1.5rem; }
.card p { margin: 0; color: var(--muted); font-size: 1rem; }

/* Kurumsal */
.info-table { margin: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.info-table div { display: grid; grid-template-columns: 200px 1fr; border-bottom: 1px solid var(--border); }
.info-table div:last-child { border-bottom: 0; }
.info-table div:nth-child(odd) { background: var(--green-100); }
.info-table dt { padding: .7rem 1rem; font-weight: 600; color: var(--green-900); }
.info-table dd { margin: 0; padding: .7rem 1rem; }
.badge { background: var(--green-700); color: #fff; padding: .1rem .7rem; border-radius: 999px; font-size: .9rem; font-weight: 600; }
.note { font-size: .95rem; color: var(--muted); margin-top: 1.25rem; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2rem; align-items: start; }
.contact-info address { font-style: normal; margin-bottom: 1.5rem; }
.contact-info h3 { margin-top: 0; }
.muted { color: var(--muted); font-size: 1rem; }
.map iframe { width: 100%; height: 340px; border: 0; border-radius: var(--radius); }

/* Footer */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.8); padding: 1.5rem 0; font-size: .9rem; text-align: center; }
.site-footer p { margin: 0; }

/* Mobil */
@media (max-width: 760px) {
  body { font-size: 17px; }
  .section { padding: 56px 0; }
  .hero { padding: 72px 0 80px; }

  .nav-toggle-label { display: flex; align-items: center; width: 32px; height: 32px; cursor: pointer; }
  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after { display: block; width: 24px; height: 2px; background: var(--green-900); position: relative; content: ""; }
  .nav-toggle-label span::before { position: absolute; top: -7px; }
  .nav-toggle-label span::after { position: absolute; top: 7px; }

  .site-nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--border);
  }
  .site-nav a { padding: .9rem 20px; border-top: 1px solid var(--border); }
  .nav-toggle:checked ~ .site-nav { display: flex; }

  .info-table div { grid-template-columns: 1fr; }
  .info-table dt { padding-bottom: 0; }
  .info-table dd { padding-top: .1rem; }

  .contact-grid { grid-template-columns: 1fr; }
}