/* =========================
   RESET
   ========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: #f5f5f5;
  color: #1f2933;
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
}

/* =========================
   GLOBAL
   ========================= */
.container {
  width: min(1100px, 100% - 32px);
  margin: 0 auto;
}

.green {
  color: #4caf6a;
}

/* Buttons */
.btn {
  display: inline-block;
  background: #4caf6a;
  color: #ffffff;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  margin-top: 20px;
  border: 1px solid #3b8e58;
  transition: background 0.18s ease-out, transform 0.12s ease-out,
    box-shadow 0.18s ease-out;
}

.btn:hover {
  background: #3b8e58;
  box-shadow: 0 10px 20px rgba(59, 142, 88, 0.25);
  transform: translateY(-1px);
}

/* =========================
   HEADER
   ========================= */
.header {
  background: #ffffff;
  padding: 14px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo {
  height: 56px;
  display: block;
}

.header-btn {
  background: #4caf6a;
  padding: 10px 20px;
  color: #ffffff;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid #3b8e58;
  transition: background 0.18s ease-out, transform 0.12s ease-out,
    box-shadow 0.18s ease-out;
}

.header-btn:hover {
  background: #3b8e58;
  box-shadow: 0 8px 18px rgba(59, 142, 88, 0.25);
  transform: translateY(-1px);
}

/* =========================
   HERO
   ========================= */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  background: radial-gradient(circle at top, #e5f7ee 0, #f5f5f5 55%);
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3rem);
  font-weight: 800;
  margin: 0;
  letter-spacing: 0.02em;
}

.hero-sub {
  font-size: 1.1rem;
  margin-top: 14px;
  color: #4b5563;
}

/* =========================
   SECTIONS
   ========================= */
.services {
  padding: 80px 0;
}

.services h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =========================
   CARDS / GRID
   ========================= */
.grid {
  display: grid;
  gap: 24px;
}

/* Service cards */
.card {
  padding: 22px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  color: #1f2933;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: #4b5563;
  font-size: 0.95rem;
}

/* Card images */
.card-img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
  display: block;
}

/* =========================
   CTA
   ========================= */
.cta {
  background: #4caf6a;
  color: #ffffff;
  text-align: center;
  padding: 72px 0;
}

.cta h2 {
  font-size: 2rem;
  margin: 0 0 12px;
}

.cta p {
  margin: 0 0 16px;
}

.cta .btn {
  background: #ffffff;
  color: #1f2933;
  border-color: transparent;
}

.cta .btn:hover {
  background: #f3f4f6;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

/* =========================
   FOOTER
   ========================= */
.footer {
  padding: 32px 0 40px;
  text-align: center;
  background: #111827;
  color: #9ca3af;
  font-size: 0.9rem;
}

.footer a {
  color: #a7f3d0;
}

.footer a:hover {
  text-decoration: underline;
}

.powered {
  margin-top: 6px;
  font-size: 0.85rem;
}

/* =========================
   RESPONSIVE GRID
   ========================= */
@media (min-width: 700px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile tweaks */
@media (max-width: 699px) {
  .header-inner {
    flex-direction: row;
  }

  .logo {
    height: 48px;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .services {
    padding: 64px 0;
  }
}