/* ===== Base ===== */
:root {
  --green: #198754;
  --dark-green: #11643e;
  --bg: #ffffff;
  --alt: #f5f5f5;
  --text: #222;
  --muted: #666;
  --card: #ffffff;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --transition: 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

a { color: inherit; }
.green { color: var(--green); }
.muted { color: var(--muted); }

/* ===== Buttons ===== */
.btn, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn {
  background: var(--green);
  color: #fff;
}
.btn:hover { background: var(--dark-green); transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.75);
}
.btn-secondary:hover { background: #fff; color: var(--green); transform: translateY(-2px); box-shadow: var(--shadow); }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  z-index: 999;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.logo {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.nav-toggle {
  display: none;
  font-size: 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.3rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  color: var(--text);
  opacity: 0.95;
  position: relative;
}

.nav-links a:hover { color: var(--green); }

.nav-cta {
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(25, 135, 84, 0.35);
  border-radius: 999px;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  padding-top: 84px; /* navbar offset */
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(rgba(0,0,0,0.62), rgba(0,0,0,0.62)),
    url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
}

.hero-content { max-width: 860px; }
.kicker { letter-spacing: 0.18em; text-transform: uppercase; font-size: 0.9rem; opacity: 0.9; }

.hero h1 {
  font-size: clamp(2rem, 3.4vw + 1rem, 3.2rem);
  line-height: 1.15;
  margin: 0.9rem 0 1rem;
}

.lead {
  max-width: 760px;
  margin: 0 auto 1.6rem;
  font-size: 1.05rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-row {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
}

/* Floating particles */
.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  animation: float 9s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes float {
  0% { transform: translateY(0) scale(1); opacity: 0.2; }
  50% { opacity: 0.6; }
  100% { transform: translateY(-120px) scale(0.8); opacity: 0; }
}

/* ===== Sections ===== */
.section { padding: 5.2rem 0; }
.section-alt { background: var(--alt); }

h2 {
  text-align: center;
  font-size: clamp(1.55rem, 1.2vw + 1rem, 2.1rem);
  color: var(--dark-green);
}

.section-intro {
  text-align: center;
  color: var(--muted);
  margin: 0.75rem auto 2.4rem;
  max-width: 760px;
}

/* ===== Services grid ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.service-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.6rem 1.35rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.service-icon {
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 0.7rem;
}

.service-card h3 { margin-bottom: 0.5rem; }

.mini-list {
  list-style: none;
  margin-top: 0.9rem;
  color: var(--muted);
}

.mini-list li {
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.mini-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 800;
}

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.step {
  background: var(--card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.step-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(25, 135, 84, 0.12);
  color: var(--dark-green);
  font-weight: 800;
  margin-bottom: 0.8rem;
}

.callout {
  margin-top: 2.4rem;
  background: linear-gradient(135deg, rgba(25, 135, 84, 0.15), rgba(17, 100, 62, 0.06));
  border: 1px solid rgba(25, 135, 84, 0.18);
  border-radius: var(--radius);
  padding: 1.35rem 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== About ===== */
.about-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.about-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.about-card i { font-size: 2rem; color: var(--green); margin-bottom: 0.8rem; }

/* ===== Contact ===== */
.contact-section { background: #fff; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.2rem;
  align-items: start;
  margin-top: 1.6rem;
}

.contact-card {
  background: var(--card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.contact-info { list-style: none; margin-top: 0.9rem; }
.contact-info li { margin-bottom: 0.6rem; color: var(--text); }
.contact-info i { color: var(--green); margin-right: 0.55rem; width: 18px; }
.contact-info a { text-decoration: none; }

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.social-links a {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(25, 135, 84, 0.12);
  color: var(--dark-green);
  text-decoration: none;
  transition: transform var(--transition), background var(--transition);
}

.social-links a:hover { transform: translateY(-2px); background: rgba(25, 135, 84, 0.2); }

.field { display: grid; gap: 0.35rem; margin-top: 0.9rem; }
label { font-weight: 600; font-size: 0.95rem; }
input, textarea {
  width: 100%;
  border: 1px solid rgba(0,0,0,0.14);
  border-radius: 12px;
  padding: 0.85rem 0.9rem;
  font: inherit;
}
input:focus, textarea:focus { outline: 2px solid rgba(25,135,84,0.25); border-color: rgba(25,135,84,0.4); }
.form-note { margin-top: 0.6rem; min-height: 1.2em; }

/* ===== Footer ===== */
footer {
  background: var(--dark-green);
  color: #fff;
  padding: 1.6rem 0;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.back-to-top {
  color: #fff;
  text-decoration: none;
  opacity: 0.95;
}

.back-to-top:hover { opacity: 1; text-decoration: underline; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 1rem 0;
    flex-direction: column;
    gap: 0.9rem;
    transform: translateY(-140%);
    transition: transform var(--transition);
  }

  .nav-links.active { transform: translateY(0); }

  .nav-cta { border-color: rgba(0,0,0,0.12); }

  .hero { padding-top: 92px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .particle { animation: none; }
  .btn, .btn-secondary, .service-card, .social-links a { transition: none; }
}