/* Color system */
:root {
  --green-700: #166534; /* deep green */
  --green-600: #15803d;
  --green-500: #22c55e;
  --green-200: #bbf7d0;
  --green-50:  #f0fdf4;
  --ink: #0b0f0e; /* hint of black */
  --ink-600: #1a2321;
  --muted: #6b7280;
  --white: #ffffff;
  --bg: #ffffff;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* Reset-ish */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; border-radius: 10px; }
a { color: var(--green-700); text-decoration: none; }
p { margin: .5rem 0 1rem; color: var(--ink-600); }
h1,h2,h3 { line-height: 1.2; margin: 0 0 .6rem; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
}
.logo { font-weight: 800; letter-spacing: .2px; font-size: 1.2rem; color: var(--ink); }
.logo span { color: var(--green-700); }
.nav { list-style: none; display: flex; gap: 18px; padding: 0; margin: 0; align-items: center; }
.nav a { padding: 8px 10px; border-radius: 999px; }
.nav a:hover { background: var(--green-50); }

.btn { display: inline-block; background: var(--green-700); color: var(--white); padding: 12px 18px; border-radius: 999px; font-weight: 600; border: 1px solid var(--green-700); box-shadow: 0 4px 14px rgba(34,197,94,.25); }
.btn:hover { background: var(--green-600); border-color: var(--green-600); }
.btn-outline { background: transparent; color: var(--green-700); border-color: var(--green-700); }
.btn-outline:hover { background: var(--green-50); }
.btn-ghost { background: var(--white); color: var(--ink); border-color: var(--border); }
.btn-ghost:hover, .btn-ghost:focus { background: #f3f4f6; }
.btn-light { background: var(--white); color: var(--green-700); border-color: var(--white); box-shadow: var(--shadow); }
.btn-small { padding: 9px 12px; font-size: .95rem; }

.hero {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  min-height: 520px;
  padding: 64px 24px;
  border-bottom: 1px solid var(--border);
  background-image: linear-gradient(rgba(0,0,0,.15), rgba(0,0,0,.15)), url('https://images.pexels.com/photos/1112080/pexels-photo-1112080.jpeg');
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.hero-content { max-width: 720px; color: var(--white); text-shadow: 0 2px 8px rgba(0,0,0,.35); text-align: center; margin: 0 auto; }
.hero-content h1 { font-size: clamp(2rem, 3.6vw, 3rem); }
.hero-content p { font-size: 1.125rem; color: #f0f7f2; }
.hero-actions { display: flex; gap: 12px; margin-top: 10px; justify-content: center; }

.container { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }
.grid { display: grid; gap: 18px; }
.grid.trio { grid-template-columns: repeat(3, 1fr); }
.grid.quad { grid-template-columns: repeat(4, 1fr); }
.center { text-align: center; margin-top: 8px; }

.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.grid.trio .card { display: flex; flex-direction: column; min-height: 180px; }
/* How it works section background + interactive highlight */
#how-it-works { background: #ffffff; }
#how-it-works .card { transition: background-color .2s ease, border-color .2s ease; }
#how-it-works .card:hover, #how-it-works .card:focus-within { background: #f3f4f6; border-color: #e5e7eb; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.checks { padding-left: 18px; }
.checks li { margin-bottom: 6px; }

.section-header { text-align: center; margin-bottom: 8px; }
.products { align-items: stretch; }
.products .product { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); background: var(--white); display: flex; flex-direction: column; height: 100%; }
.products .product img { height: 200px; width: 100%; object-fit: cover; border-radius: 10px; }
.products .product h3 { margin-top: 12px; }
.products .product .btn { margin-top: auto; }
.price { color: var(--ink); font-weight: 700; }

.banner { background: linear-gradient(90deg, var(--green-700), var(--green-500)); color: var(--white); padding: 26px; display: flex; align-items: center; justify-content: center; gap: 16px; text-align: center; }

.site-footer { border-top: 1px solid var(--border); background: #fafafa; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 20px; padding: 28px 24px; }
.footer-nav { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.muted { color: var(--muted); }

/* Utility */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Responsive */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .grid.trio { grid-template-columns: 1fr 1fr; }
  .grid.quad { grid-template-columns: 1fr 1fr; }
  .hero-media img { height: 280px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid.trio, .grid.quad { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Page specific helpers */
.page-hero { background: var(--green-50); border-bottom: 1px solid var(--border); padding: 48px 24px; text-align: center; }
.page-hero h1 { margin-bottom: 8px; }
.lead { font-size: 1.1rem; }
.table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { border-bottom: 1px solid var(--border); padding: 12px; text-align: left; }
.table tr:nth-child(even) { background: #fcfdfc; }

/* About page: team cards */
.team { align-items: stretch; }
.team .card { height: 100%; display: flex; flex-direction: column; align-items: center; text-align: center; }
.team .card .avatar { width: 160px; height: 160px; border-radius: 50%; object-fit: cover; }