:root {
  --primary: #0f5c4a;
  --primary-dark: #0a4538;
  --accent: #d6b25e;
  --text: #18302a;
  --muted: #66746f;
  --bg: #f6f8f7;
  --white: #ffffff;
  --border: #dfe7e3;
  --shadow: 0 20px 45px rgba(15, 92, 74, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.nav { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.site-logo {
  display: block; width: 178px; height: auto;
  mix-blend-mode: multiply;
}
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), #159376);
  color: white; display: grid; place-items: center;
  font-weight: 800; font-size: 22px;
  box-shadow: 0 8px 18px rgba(15,92,74,.2);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 17px; letter-spacing: .8px; }
.brand-text span { font-size: 10px; color: var(--muted); margin-top: 4px; }
nav { display: flex; gap: 24px; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--primary); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 12px; padding: 15px 22px;
  background: var(--primary); color: white;
  font-weight: 700; cursor: pointer; transition: .2s;
  box-shadow: 0 10px 20px rgba(15,92,74,.16);
}
.btn:hover { transform: translateY(-1px); background: var(--primary-dark); }
.btn-small { padding: 11px 17px; font-size: 14px; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); box-shadow: none; }
.btn-outline:hover { color: white; }
.btn-full { width: 100%; }
.btn-white { background: white; color: var(--primary); box-shadow: none; }
.btn-white:hover { background: #f3f7f5; color: var(--primary-dark); }
.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,.5); box-shadow: none; }

.hero {
  background:
    radial-gradient(circle at 85% 10%, rgba(214,178,94,.20), transparent 30%),
    linear-gradient(180deg, #f4faf7 0%, #ffffff 100%);
  padding: 80px 0 72px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .85fr; gap: 64px; align-items: center; }
.eyebrow {
  display: inline-block; color: var(--primary); font-weight: 800; font-size: 12px;
  text-transform: uppercase; letter-spacing: 1.4px; margin-bottom: 12px;
}
.eyebrow.light { color: #d8f4e9; }
h1 { font-size: clamp(40px, 5vw, 62px); line-height: 1.05; letter-spacing: -2.2px; margin: 0 0 22px; }
h2 { font-size: clamp(30px, 3vw, 42px); line-height: 1.12; letter-spacing: -1.2px; margin: 0 0 16px; }
h3 { margin: 8px 0 10px; }
.hero-copy p { max-width: 650px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; margin: 30px 0; flex-wrap: wrap; }
.trust-row { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; color: #4f625b; font-weight: 600; }

.hero-card, .calculator {
  background: var(--white); border: 1px solid var(--border); border-radius: 24px;
  padding: 30px; box-shadow: var(--shadow);
}
.hero-card h2 { font-size: 27px; }
.hero-card > p { color: var(--muted); margin-top: -5px; }
.mini-badge {
  display: inline-block; padding: 7px 10px; border-radius: 999px;
  background: #e7f5ef; color: var(--primary); font-size: 12px; font-weight: 800; margin-bottom: 16px;
}
.form { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
input, select {
  width: 100%; border: 1px solid var(--border); border-radius: 11px;
  padding: 13px 14px; font: inherit; outline: none; background: #fff;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,92,74,.08); }
small { color: var(--muted); font-size: 11px; }

.section { padding: 84px 0; }
.section-soft { background: var(--bg); }
.section-heading { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-heading p, .about-grid p { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  border: 1px solid var(--border); border-radius: 18px; padding: 24px;
  transition: .2s; background: white;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(0,0,0,.06); }
.card p { color: var(--muted); font-size: 14px; min-height: 88px; }
.card a { color: var(--primary); font-weight: 800; font-size: 14px; }
.icon { font-size: 28px; }

.simulation-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 70px; align-items: center; }
.info-box { margin-top: 28px; padding: 18px; border-left: 4px solid var(--accent); background: white; border-radius: 10px; }
.info-box p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.calculator { display: grid; gap: 18px; }
input[type="range"] { padding: 0; accent-color: var(--primary); }
.range-value { font-weight: 800; color: var(--primary); font-size: 22px; }
.result {
  padding: 18px; border-radius: 14px; background: #edf7f3;
  display: flex; justify-content: space-between; align-items: center;
}
.result span { font-size: 13px; color: var(--muted); }
.result strong { font-size: 25px; color: var(--primary); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.stats div { border: 1px solid var(--border); border-radius: 16px; padding: 24px 18px; text-align: center; }
.stats strong { display: block; font-size: 28px; color: var(--primary); }
.stats span { color: var(--muted); font-size: 12px; }

.contact-section { padding: 40px 0 84px; }
.contact-box {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white; border-radius: 26px; padding: 44px;
  display: flex; justify-content: space-between; gap: 30px; align-items: center;
}
.contact-box p { color: #dcebe6; max-width: 660px; }
.contact-actions { display: flex; gap: 12px; flex-wrap: wrap; }

footer { background: #102a23; color: #e4efe9; padding: 52px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-grid > div { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: #b9c8c2; font-size: 14px; }
.footer-brand { margin-bottom: 8px; }
.footer-logo { width: 190px; background: #fff; border-radius: 10px; padding: 5px 8px; mix-blend-mode: normal; }
.footer-brand .brand-text span { color: #a7bab2; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 35px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 20px; color: #9fb0a9; font-size: 12px;
}

@media (max-width: 900px) {
  nav { display: none; }
  .hero-grid, .simulation-grid, .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: repeat(2,1fr); }
  .stats { grid-template-columns: 1fr 1fr 1fr; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 28px, 1140px); }
  .topbar .btn-small { display: none; }
  .hero { padding-top: 45px; }
  h1 { font-size: 42px; }
  .cards, .stats, .footer-grid { grid-template-columns: 1fr; }
  .contact-box { padding: 28px; display: block; }
  .contact-actions { margin-top: 24px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 600px) {
  .site-logo { width: 150px; }
  .footer-logo { width: 175px; }
}