*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-900: #14532d;
  --green-800: #166534;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-400: #4ade80;
  --green-50:  #f0fdf4;
  --gray-900:  #111827;
  --gray-700:  #374151;
  --gray-500:  #6b7280;
  --gray-200:  #e5e7eb;
  --gray-50:   #f9fafb;
  --white:     #ffffff;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(8px);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.1rem; color: var(--green-800);
  text-decoration: none;
}
.logo svg { flex-shrink: 0; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { text-decoration: none; color: var(--gray-700); font-size: 0.95rem; }
nav a:hover { color: var(--green-600); }

/* BUTTONS */
.btn {
  display: inline-block; text-decoration: none;
  background: var(--green-600); color: var(--white);
  border: none; border-radius: 8px; cursor: pointer;
  font-weight: 600; transition: background 0.15s, transform 0.1s;
}
.btn:hover { background: var(--green-800); }
.btn:active { transform: scale(0.98); }
.btn-sm  { padding: 8px 18px; font-size: 0.9rem; }
.btn-lg  { padding: 14px 32px; font-size: 1rem; }
.btn-full { width: 100%; text-align: center; }

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--green-900) 0%, var(--green-800) 60%, #1d4ed8 100%);
  color: var(--white);
  padding: 80px 0 60px;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: center;
}
.hero-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 20px;
}
.hero-text p { font-size: 1.15rem; opacity: 0.9; margin-bottom: 32px; max-width: 480px; }
.hero-graphic svg { width: 100%; max-width: 260px; filter: drop-shadow(0 8px 32px rgba(0,0,0,0.3)); }

/* SERVICES */
.services {
  padding: 80px 0;
  background: var(--gray-50);
}
.services h2, .why-us h2, .contact-text h2 {
  font-size: 2rem; font-weight: 800; margin-bottom: 8px; color: var(--green-900);
}
.section-sub { color: var(--gray-500); margin-bottom: 48px; font-size: 1.05rem; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 24px; box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.card:hover { transform: translateY(-4px); }
.card-icon { width: 48px; height: 48px; margin-bottom: 16px; }
.card-icon svg { width: 48px; height: 48px; }
.card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--green-900); }
.card p { color: var(--gray-500); font-size: 0.95rem; }

/* WHY US */
.why-us { padding: 80px 0; }
.why-us h2 { margin-bottom: 40px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.why-item {
  display: flex; gap: 16px; align-items: flex-start;
}
.why-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--green-500); color: var(--white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
}
.why-item strong { display: block; margin-bottom: 4px; color: var(--green-900); }
.why-item p { color: var(--gray-500); font-size: 0.95rem; }

/* CONTACT */
.contact {
  background: var(--green-900);
  padding: 80px 0;
  color: var(--white);
}
.contact-inner {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start;
}
.contact-text h2 { color: var(--white); }
.contact-text p { margin-top: 16px; opacity: 0.85; font-size: 1rem; }
.contact-email a { color: var(--green-400); text-decoration: none; font-weight: 600; }
.contact-email a:hover { text-decoration: underline; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 0.9rem; font-weight: 600; opacity: 0.9; }
.form-row label span { color: var(--green-400); }
.form-row input,
.form-row textarea {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px; padding: 12px 14px;
  color: var(--white); font-size: 1rem;
  outline: none; transition: border-color 0.15s;
  font-family: inherit;
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: rgba(255,255,255,0.4); }
.form-row input:focus,
.form-row textarea:focus { border-color: var(--green-400); background: rgba(255,255,255,0.15); }
.form-row textarea { resize: vertical; }
.btn-full { margin-top: 4px; }
.form-status { font-size: 0.9rem; min-height: 1.2em; text-align: center; }
.form-status.success { color: var(--green-400); }
.form-status.error { color: #fca5a5; }

/* FOOTER */
.footer {
  background: var(--gray-900); color: var(--gray-500);
  padding: 28px 0; text-align: center; font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-graphic { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  nav a:not(.btn) { display: none; }
}
