:root {
  --ink: #16242c;
  --muted: #55646c;
  --paper: #ffffff;
  --tint: #f2f6f4;
  --green: #1f6f5c;
  --green-dark: #175647;
  --gold: #c8963e;
  --line: #dce4e0;
  --radius: 10px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.65; }
img, svg { max-width: 100%; }
a { color: var(--green); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; max-width: 68ch; }

.container { width: min(1120px, 92%); margin-inline: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px 12px; z-index: 100; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); transition: box-shadow .25s; }
.site-header.scrolled { box-shadow: 0 2px 14px rgba(22,36,44,.08); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.mark { background: var(--green); color: #fff; font-family: var(--serif); font-weight: 700; padding: 6px 10px; border-radius: 8px; letter-spacing: .04em; }
.brand-text { font-weight: 600; line-height: 1.2; }
.brand-text small { display: block; font-weight: 400; color: var(--muted); font-size: .78rem; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0; background: var(--gold); transition: width .25s; }
.nav a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn { display: inline-block; background: var(--green); color: #fff !important; text-decoration: none; padding: 13px 26px; border-radius: 8px; font-weight: 600; border: 2px solid var(--green); cursor: pointer; font-size: 1rem; font-family: inherit; transition: background .2s, transform .2s; }
.btn:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-2px); }
.btn-small { padding: 8px 18px; }
.btn-ghost { background: transparent; color: var(--green) !important; }
.btn-ghost:hover { background: var(--tint); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--tint), #fff); padding: clamp(48px, 8vw, 96px) 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-art { margin: 0; }
.hero-art figcaption { font-size: .85rem; color: var(--muted); margin-top: 10px; }
.hero-copy { animation: rise .8s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* Sections */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section.alt { background: var(--tint); }
.section-head { margin-bottom: 40px; }
.section-head p { color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ph { min-height: 340px; border-radius: var(--radius); display: grid; place-items: center; text-align: center; padding: 24px; color: #fff; font-size: .9rem; background: linear-gradient(135deg, var(--green), #3d8f7a 60%, var(--gold)); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { padding-left: 28px; margin-bottom: 8px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 14px; height: 8px; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: transform .25s, border-color .25s; }
.card:hover { transform: translateY(-4px); border-color: var(--green); }
.card svg { width: 34px; height: 34px; stroke: var(--green); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.card p { color: var(--muted); margin: 0; }

/* Benefits */
.benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.benefits div { padding: 22px 0; border-top: 2px solid var(--line); }
.benefits div:hover { border-top-color: var(--gold); }
.benefits p { margin: 0; color: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.details { display: grid; grid-template-columns: 90px 1fr; gap: 10px 16px; margin: 28px 0 0; }
.details dt { font-weight: 600; }
.details dd { margin: 0; }
.form { background: #fff; padding: 32px; border-radius: var(--radius); border: 1px solid var(--line); }
.field { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .95rem; }
input, textarea { width: 100%; padding: 12px 14px; border: 1px solid #b9c5c0; border-radius: 8px; font: inherit; color: inherit; background: #fff; }
input:focus, textarea:focus { outline: 3px solid rgba(31,111,92,.25); border-color: var(--green); }
.field.invalid input, .field.invalid textarea { border-color: #b3261e; }
.error { display: block; color: #b3261e; font-size: .85rem; min-height: 1.2em; margin-top: 4px; }
.status { margin: 16px 0 0; font-weight: 500; color: var(--green-dark); }

/* Footer */
.site-footer { background: var(--ink); color: #cfd9d5; padding: 44px 0 28px; }
.site-footer p { margin: 4px 0; }
.site-footer strong { color: #fff; }
.foot { display: grid; grid-template-columns: 1fr auto; gap: 24px; }
.foot nav { display: flex; gap: 22px; flex-wrap: wrap; align-items: start; }
.foot a { color: #cfd9d5; text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }
.copy { grid-column: 1 / -1; border-top: 1px solid #2f424c; padding-top: 20px; font-size: .85rem; }

/* Scroll reveal (single, subtle) */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .hero-art { order: -1; max-width: 420px; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 4% 18px; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; width: 100%; }
  .nav .btn { text-align: center; margin-top: 8px; }
  .cards, .benefits { grid-template-columns: 1fr; }
  .foot { grid-template-columns: 1fr; }
  .form { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}