/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:        #75bf44;
  --green-hover:  #61a44d;
  --green-dark:   #3a6b20;
  --heading:      #333333;
  --text:         #555555;
  --text-light:   #777777;
  --footer-bg:    #3d4045;
  --gray-bg:      #f7f7f7;
  --dark-bg:      #2b3a1e;
  --white:        #ffffff;
  --border:       #e2e2e2;
  --radius:       4px;
  --shadow:       0 2px 12px rgba(0,0,0,.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: "Open Sans", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
}

img { display: block; max-width: 100%; height: auto; }

/* ── Layout ───────────────────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.narrow    { max-width: 740px; }
.center    { text-align: center; }

.section { padding: 72px 0; }
.section-gray { background: var(--gray-bg); }
.section-dark { background: var(--dark-bg); color: var(--white); }

/* ── Typography ───────────────────────────────────────────── */
h1 {
  font-size: clamp(26px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}
h2 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
}
.section-dark h2 { color: var(--white); }
h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.section-title { margin-bottom: 10px; }
.section-sub   { color: var(--text-light); margin-bottom: 40px; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 11px 26px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .18s, border-color .18s, color .18s;
}
.btn-green {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-green:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
}
.btn-white-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-white-outline:hover {
  background: var(--white);
  color: var(--heading);
}
.btn-full { width: 100%; text-align: center; }

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo-img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: .03em;
  transition: color .15s;
}
.nav-links a:not(.btn):hover { color: var(--green); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  background: url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?w=1800&auto=format&fit=crop') center center / cover no-repeat;
  padding: 100px 0 90px;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 80, 10, 0.62);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero h1 { margin-bottom: 20px; }
.hero-sub {
  font-size: clamp(15px, 1.8vw, 17px);
  color: rgba(255,255,255,.88);
  margin-bottom: 32px;
  max-width: 580px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ── About / Split layout ─────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-text h2 { margin-bottom: 16px; }
.split-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
}

.callout-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: var(--gray-bg);
  border-left: 4px solid var(--green);
  padding: 16px 20px;
  margin-top: 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout-num   { font-size: 26px; font-weight: 700; color: var(--green); white-space: nowrap; }
.callout-label { font-size: 13px; color: var(--text-light); line-height: 1.4; }

/* ── Strip ────────────────────────────────────────────────── */
.strip { background: var(--green); padding: 18px 0; }
.strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.strip span {
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}
.strip .btn-green {
  background: var(--white);
  color: var(--green);
  border-color: var(--white);
  white-space: nowrap;
}
.strip .btn-green:hover {
  background: var(--heading);
  border-color: var(--heading);
  color: var(--white);
}

/* ── Application cards ────────────────────────────────────── */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.app-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.app-img-wrap { height: 200px; overflow: hidden; }
.app-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.app-card:hover .app-img-wrap img { transform: scale(1.04); }
.app-body { padding: 24px; flex: 1; }
.app-body ul { padding-left: 18px; margin-top: 8px; }
.app-body li { margin-bottom: 6px; font-size: 14px; color: var(--text); }

/* ── Testimonial ──────────────────────────────────────────── */
.testimonial-section { background: var(--gray-bg); }
.testimonial-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  max-width: 720px;
  margin: 0 auto;
}
.testimonial-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--green);
}
.testimonial-quote p {
  font-size: 16px;
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 10px;
}
.testimonial-quote cite {
  font-size: 13px;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: .04em;
}

/* ── Contact form ─────────────────────────────────────────── */
.contact-form {
  margin-top: 32px;
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.form-group:last-of-type { margin-bottom: 24px; }
label {
  font-size: 13px;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: .03em;
}
.req { color: var(--green); }
input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  color: var(--heading);
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(117,191,68,.15);
}
textarea { resize: vertical; }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--footer-bg);
  color: #aaa;
  padding: 32px 0;
  font-size: 13px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-logo { height: 36px; width: auto; filter: brightness(0) invert(1); opacity: .85; }
.footer-info { display: flex; flex-direction: column; gap: 2px; }
.footer a { color: #aaa; text-decoration: none; }
.footer a:hover { color: var(--white); }
.footer-copy { font-size: 12px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split-img { order: -1; }
  .form-row  { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .hero { padding: 70px 0 60px; }
  .testimonial-inner { flex-direction: column; text-align: center; }
  .strip-inner { justify-content: center; text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .nav-links a:not(.btn) { display: none; }
}