:root {
  --green-900: #0f3d2e;
  --green-700: #1b5e46;
  --green-100: #e6f1ec;
  --gold: #e8b84a;
  --gold-dark: #c99a2e;
  --ink: #16211c;
  --muted: #5b6a63;
  --bg: #fbfaf6;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 61, 46, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; line-height: 1.15; margin: 0 0 .5em; color: var(--green-900); }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); text-align: center; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.container { width: min(1120px, 92%); margin-inline: auto; }
.hidden { display: none !important; }

/* Buttons */
.btn {
  display: inline-block; background: var(--gold); color: var(--green-900); font-weight: 600;
  padding: .85rem 1.5rem; border-radius: 999px; border: 0; cursor: pointer; text-decoration: none;
  transition: transform .15s, background .15s; font-size: 1rem; font-family: inherit;
}
.btn:hover { background: var(--gold-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; border: 2px solid var(--green-900); color: var(--green-900); }
.btn-ghost:hover { background: var(--green-900); color: #fff; }
.btn-small { padding: .5rem 1.1rem; font-size: .92rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251, 250, 246, .92); backdrop-filter: blur(10px); border-bottom: 1px solid #e9e6dc; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: .8rem 0; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-family: "Fraunces", serif; font-weight: 700; font-size: 1.25rem; color: var(--green-900); }
.brand.light { color: #fff; }
.menu { display: flex; align-items: center; gap: 1.6rem; }
.menu a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.menu a:hover { color: var(--green-700); }
.menu a.btn { color: var(--green-900); }
.nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--green-900); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { padding: 5rem 0 4rem; background: radial-gradient(1000px 400px at 85% -10%, #f4e3b3 0, transparent 60%), linear-gradient(180deg, var(--green-100), var(--bg)); }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 3rem; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; color: var(--green-700); }
.hero h1 em { font-style: normal; color: var(--gold-dark); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 54ch; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.6rem 0 2rem; }
.stats { list-style: none; display: flex; gap: 2rem; padding: 0; margin: 0; flex-wrap: wrap; }
.stats strong { display: block; font-family: "Fraunces", serif; font-size: 1.7rem; color: var(--green-900); }
.stats span { color: var(--muted); font-size: .88rem; }
.hero-card { background: var(--green-900); color: #fff; border-radius: 24px; padding: 1.8rem; box-shadow: var(--shadow); }
.hc-title { font-weight: 600; margin-bottom: 1.2rem; color: var(--gold); }
.hc-row { display: flex; justify-content: space-between; font-size: .95rem; margin-bottom: .4rem; }
.bar { height: 10px; background: rgba(255,255,255,.15); border-radius: 99px; margin-bottom: 1.1rem; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), #f6d98a); border-radius: 99px; }
.hc-note { font-size: .78rem; opacity: .7; margin: 0; }

/* Sections */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--green-100); }
.section-dark { background: var(--green-900); color: #dbe7e1; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-sub { text-align: center; color: var(--muted); max-width: 60ch; margin: 0 auto 2.5rem; }
.section-sub.left { text-align: left; margin-left: 0; }

.grid { display: grid; gap: 1.4rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card, .tile { background: var(--white); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow); transition: transform .2s; }
.card:hover, .tile:hover { transform: translateY(-4px); }
.card p, .tile p { color: var(--muted); margin: 0; font-size: .96rem; }
.icon { font-size: 1.8rem; margin-bottom: .6rem; }
.tile { border-top: 4px solid var(--gold); }
.why { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 1.6rem; margin-top: 2rem; }
.why p { margin: 0; }

/* Calculators */
.tabs { display: flex; justify-content: center; gap: .6rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.tab { padding: .6rem 1.2rem; border-radius: 999px; border: 2px solid var(--green-900); background: transparent; color: var(--green-900); font-weight: 600; cursor: pointer; font-family: inherit; }
.tab.active { background: var(--green-900); color: #fff; }
.calc { background: var(--white); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); max-width: 820px; margin-inline: auto; }
.mode { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.2rem; font-size: .95rem; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .35rem; font-weight: 500; font-size: .92rem; margin-bottom: .4rem; }
input[type="number"], input[type="text"], input[type="email"], select, textarea {
  padding: .7rem .9rem; border: 1.5px solid #d6dbd8; border-radius: 10px; font: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.result { margin-top: 1.4rem; background: var(--green-100); border-radius: 12px; padding: 1.2rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; }
.result div span { display: block; font-size: .82rem; color: var(--muted); }
.result div strong { font-family: "Fraunces", serif; font-size: 1.35rem; color: var(--green-900); }
.result .big strong { color: var(--green-700); font-size: 1.6rem; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
.contact h2 { text-align: left; }
.contact-line { font-weight: 600; color: var(--green-700); }
.contact .calc { margin: 0; width: 100%; }
.form-note { margin: .8rem 0 0; font-size: .92rem; color: var(--green-700); }

/* Footer */
.site-footer { background: #0a2a20; color: #b9c9c1; padding: 2.5rem 0 1.5rem; }
.foot-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.motto { color: var(--gold); margin: 0; font-weight: 500; }
.disclaimer { font-size: .8rem; opacity: .75; max-width: 90ch; }
.copy { font-size: .8rem; opacity: .6; margin: 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .contact { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .menu {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start;
    background: var(--bg); padding: 1rem 4%; gap: 1rem; border-bottom: 1px solid #e9e6dc; display: none;
  }
  .menu.open { display: flex; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0; }
  .section { padding: 3rem 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}